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\u30c8\u30e9\u30f3\u30b9\u30d5\u30a1\u30fc\u30ec\u30fc\u30c8\uff08gb\/s\uff09 \u30d0\u30b9- \u5e83\u3044 \u4e8b\u524d \u30d5\u30a7\u30c3\u30c1 \u52d5\u4f5c\u96fb\u5727 VDD\/VDDQ \u30cf\u30a6\u30b8\u30f3\u30b0 \u30b8\u30a7\u30c7\u30c3\u30af\u6a19\u6e96 I\/o \u30c7\u30fc\u30bf 32\u30d3\u30c3\u30c8  8\u00d732\u30d3\u30c3\u30c8  12\u00d732\u30d3\u30c3\u30c8  \u521d\u3081 0.16 &#8230; 0.4 0.32 &#8230; 0.8 gdr-nrz 1.3 &#8230; 3.2 10.4 &#8230; 25.6  2\u00d7 32\u30d3\u30c3\u30c8 0 2-Fach 0 2.5 V \/ 2,5 V  JESD21C-2005\u30013.11.5.2 2 0 0.4 &#8230; 0.5 0 0.8 &#8230; 1 3.2 &#8230; 4 25.6 &#8230; 32  2\u00d7 32\u30d3\u30c3\u30c8  0 2.5 V \/ 1.8 v  JESD21C-2005\u30013.11.5.6 3 0 0.7 &#8230; 1.3 0 1.4 &#8230; 2.6 5.6 &#8230; 10 \u30010 45 &#8230; 83 0 67 &#8230; 125 2\u00d7 32\u30d3\u30c3\u30c8 0 4-Fach 0 1.8 V \/ 1.8 v 170\u30dc\u30fc\u30ebFBGA JESD21C-2005\u30013.11.5.7 4 0.00 &#8230; 1.6 0.00 &#8230; 3.2 0.0 &#8230; 13 00.0 &#8230; 102 000 &#8230; 153 2\u00d7 32\u30d3\u30c3\u30c8 0 8\u30d5\u30a1\u30c3\u30cf   JESD21C-2005\u30013.11.5.8 5 0 1.8 &#8230; 4 0 3.6 &#8230; 8 \u3001 14 &#8230; 32 \u3001 115 &#8230; 256 173 &#8230; 384 2\u00d7 32\u30d3\u30c3\u30c8 0 8\u30d5\u30a1\u30c3\u30cf 0 1.5 V \/ 1.5 V 170\u30dc\u30fc\u30ebFBGA JESD212C-2016 5x 0.0 5 &#8230; 7 0\u3001 10 &#8230; 14 \u3001 40 &#8230; 56 \u3001 320 &#8230; 448 480 &#8230; 672 2\u00d7 32\u30d3\u30c3\u30c8 16-Fach 1,35 v \/ 1,35 v 190\u30dc\u30fc\u30ebFBGA JESD232A-2016 6 0 3.5 &#8230; 4.5 0\u3001 14 &#8230; 18 qdr-nrz \u3001 56 &#8230; 72 \u3001 448 &#8230; 576 672 &#8230; 864 2\u00d716\u30d3\u30c3\u30c8 16-Fach 1,35 v \/ 1,35 v 180\u30dc\u30fc\u30ebFBGA JESD250A-2017 6x 4.75 &#8230; 5.25 0 9.5 &#8230; 10.5 QDR-PAM-4 \u3001 76 &#8230; 84 \u3001 608 &#8230; 672 912 &#8230; 1008 2\u00d716\u30d3\u30c3\u30c8 16-Fach 1,35 v \/ 1,35 v 180\u30dc\u30fc\u30ebFBGA \u3053\u308c\u307e\u3067\u306e\u3068\u3053\u308d\u3001\u3059\u3079\u3066\u306f\u3042\u308a\u307e\u305b\u3093  \u3053\u308c\u307e\u3067\u306e\u3068\u3053\u308d\u3001\u6b21\u306eGDDR\u30bf\u30a4\u30d7\u304c\u958b\u767a\u3055\u308c\u3066\u3044\u307e\u3059\u3002        (adsbygoogle = window.adsbygoogle || []).push({});after-content-x4Table of Contents\uff08g\uff09ddr [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] GDDR2 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] GDDR3 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] GDDR4 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] GDDR5 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] GDDR5X [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] GDDR6 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] gddr6x [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] GDDR7 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] \uff08g\uff09ddr [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] GDDR\u306f\u3001GDR-SDRAM\u6a19\u6e96\u306b\u5f93\u3063\u3066\u30e1\u30e2\u30ea\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u7b2c1\u4e16\u4ee3\u3067\u306f\u3001VDD\u3068VDDQ\u306e\u96fb\u5727\u306f2.5 V\u3067\u3059\u3002166\u301c400 MHz\u306e\u30af\u30ed\u30c3\u30af\u30ec\u30fc\u30c8\u30683\u30014\u30015\u306e\u30af\u30ed\u30c3\u30af\u30b5\u30a4\u30af\u30eb\u306e\u8aad\u307f\u53d6\u308a\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u3067\u3001256\u30d3\u30c3\u30c8\u63a5\u7d9a\u306725.6 GB\/s\u306e\u6700\u5927\u30c7\u30fc\u30bf\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u304c\u9054\u6210\u3055\u308c\u307e\u3059\u3002 GDDR\u306f\u30012\u56de\u306e\u6b20\u9665\u3067GDR-SDRAM\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3057\u307e\u3059\u3002 GDDR2 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] GDDR2\u306f\u3001GDDR\u306e\u3055\u3089\u306a\u308b\u958b\u767a\u3068\u3057\u3066\u306e\u4eba\u6c17\u306e\u306a\u3044\u4e2d\u9593\u30b9\u30c6\u30c3\u30d7\u3067\u3057\u305f\u304c\u3001\u3088\u308a\u9ad8\u3044\u30af\u30ed\u30c3\u30af\u5468\u6ce2\u6570\u304c\u9054\u6210\u3055\u308c\u307e\u3057\u305f\u304c\u3001GDDR2\u306f\u9ad8\u5468\u6ce2\u6570\u3067\u306e\u5ec3\u71b1\u306b\u554f\u984c\u304c\u3042\u308a\u307e\u3057\u305f\u3002 GeForce FX 5800 Ultra\u306a\u3069\u306e\u3044\u304f\u3064\u304b\u306e\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30ab\u30fc\u30c9\u3067\u306e\u307f\u3001\u6700\u5927\u30af\u30ed\u30c3\u30af\u5468\u6ce2\u6570500 MHz\u3067GDDR2\u3092\u4f7f\u7528\u3057\u3001\u307b\u3068\u3093\u3069\u306e\u30e1\u30fc\u30ab\u30fc\u306f\u6700\u5927400 MHz\u4ee5\u4e0b\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u7279\u5fb4\u306f\u30012.5\/1.8 V\u306eVDD\/VDDQ\u96fb\u5727\u3001400 MHz\u304b\u3089500 MHz\u306e\u30af\u30ed\u30c3\u30af\u30ec\u30fc\u30c8\u3067\u30015\u301c7\u30af\u30ed\u30c3\u30af\u30b5\u30a4\u30af\u30eb\u306e\u30e9\u30c3\u30c8\u3092\u8aad\u307f\u53d6\u308a\u307e\u3057\u305f\u3002\u3053\u308c\u306b\u3088\u308a\u3001256\u30d3\u30c3\u30c8\u63a5\u7d9a\u306732 GB\/s\u306e\u6700\u5927\u30c7\u30fc\u30bf\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u304c\u9054\u6210\u3055\u308c\u307e\u3057\u305f\u3002 GDDR3 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ]         (adsbygoogle = window.adsbygoogle || []).push({});after-content-x4\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30ab\u30fc\u30c9\u306e2\u3064\u306eGDDR3\u30e1\u30e2\u30ea\u30c1\u30c3\u30d7\uff08\u4e2d\u592e\uff09 GDDR3\u306fGDR2-SDRAM\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3059\u3002 \uff08g\uff09GDR\u3068\u540c\u69d8\u306b\u3001\u30a2\u30af\u30bb\u30b9\u6642\u9593\u304c\u5c11\u306a\u304f\u3001\u8aad\u307f\u53d6\u308a\u30ec\u30a4\u30c6\u30f3\u30b7\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u9ad8\u3044\u30b9\u30c8\u30ec\u30fc\u30b8\u6642\u9593\u306b\u6700\u9069\u5316\u3055\u308c\u307e\u3057\u305f\u3002 GDDR3\u306f\u30011.8 V\u306eVDD\/VDDQ\u96fb\u5727\u3067DDR2-SDRAM\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3057\u307e\u3059\u3002\u30af\u30ed\u30c3\u30af\u30ec\u30fc\u30c8\u306f700\u301c1300 MHz\u3067\u30015\u301c9\u30af\u30ed\u30c3\u30af\u30b5\u30a4\u30af\u30eb\u306e\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u3092\u8aad\u307f\u53d6\u308a\u3001256\u30d3\u30c3\u30c8\u63a5\u7d9a\u306783.2 gb\/s\u306e\u6700\u5927\u30c7\u30fc\u30bf\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u304c\u53ef\u80fd\u3067\u3059\u3002 GDDR3\u306f\u30014\u30d5\u30a1\u30c3\u30b7\u30e7\u30f3\u306e\u6b20\u9665\u3092\u6301\u3064DDR2-SDRAM\u306e\u3088\u3046\u306b\u6a5f\u80fd\u3057\u307e\u3059\u3002 GDDR3\u306fATI\u306b\u3088\u3063\u3066\u8a2d\u8a08\u3055\u308c\u307e\u3057\u305f\u304c\u30012004\u5e743\u6708\u306bNVIDIA GeForce FX 5700 Ultra\u3067\u521d\u3081\u3066\u4f7f\u7528\u3055\u308c\u3001GeForce 6800 Ultra\u3067\u4f7f\u7528\u3055\u308c\u307e\u3057\u305f\u3002 ATI\u81ea\u4f53\u3067\u306f\u3001Radeon X800\u306b\u30e1\u30e2\u30ea\u304c\u521d\u3081\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u307e\u3057\u305f\u3002 GDDR3\u304c\u4f7f\u7528\u3055\u308c\u308b\u4ed6\u306e\u65e2\u77e5\u306e\u88fd\u54c1\u306f\u3001Sony PlayStation 3\uff08\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30ab\u30fc\u30c9\u7528\u306e256 MB\uff09\u304a\u3088\u3073Microsofts Xbox 360\uff08512 MB\u304cCPU\u3068GPU\u304c\u540c\u6642\u306b\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\uff09\u3067\u3059\u3002 [2] \u3002 GDDR4 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] GDDR4\u306f8\u30b5\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u6b20\u9665\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001GDR3\u69d8\u6280\u8853\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3059\u3002 [3] GDDR3\u3092\u517c\u306d\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u540c\u3058\u4e2d\u7a0b\u5ea6\u306e\u5185\u90e8\u30af\u30ed\u30c3\u30af\u3067\u3088\u308a\u9ad8\u3044\u4f1d\u9001\u901f\u5ea6\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u4f9b\u7d66\u96fb\u5727\u3082\u4f4e\u4e0b\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 GDDR4\u30b7\u30ea\u30fc\u30ba\u306e\u751f\u7523\u306f\u30012006\u5e747\u67085\u65e5\u306bSamsung\u3067\u958b\u59cb\u3055\u308c\u307e\u3057\u305f\u3002Hynix\u306f\u3001\u6700\u59271.6 GHz\u306e\u30af\u30ed\u30c3\u30af\u5468\u6ce2\u6570\u306eGDDR4\u30c1\u30c3\u30d7\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002 [4] 256\u30d3\u30c3\u30c8\u30b9\u30c8\u30ec\u30fc\u30b8\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u3001\u6700\u5927102.4 gb\/s\u306e\u30e1\u30e2\u30ea\u5e2f\u57df\u5e45\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30ab\u30fc\u30c9\u3067\u306eGDDR4\u30e1\u30e2\u30ea\u306e\u6700\u521d\u306e\u4f7f\u7528\u306f\u30011 GHz\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u30af\u30ed\u30c3\u30af\u3067\u6307\u5b9a\u3055\u308c\u305fATI\u306eRadeon X1950 XTX\u3067\u884c\u308f\u308c\u307e\u3057\u305f\u3002 GDDR4\u30e1\u30e2\u30ea\u306e\u3055\u3089\u306a\u308b\u4f7f\u7528\u304cRadeon HD 3870\u306b\u3088\u3063\u3066\u5b9f\u884c\u3055\u308c\u307e\u3057\u305f\u3002\u305f\u3060\u3057\u3001GDDR4\u306f\u5e83\u3044\u30d5\u30ed\u30f3\u30c8\u3067\u512a\u5148\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u304a\u305d\u3089\u304fGDDR3\u304c1 GHz\u306e\u30af\u30ed\u30c3\u30af\u5468\u6ce2\u6570\u306b\u9054\u3057\u305f\u305f\u3081\u3067\u3059\u3002 GDDR5 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] GDDR5\u30c1\u30c3\u30d7\u306f\u3001\u6700\u59278 GBIT\u306e512 MBIT\u306e\u5bb9\u91cf\u3067\u5229\u7528\u3067\u304d\u307e\u3059\u3002 1.8\u301c4 GHz\u306e\u6642\u8a08\u5468\u6ce2\u6570\u3067\u306f\u30013.6\u306e\u8ee2\u9001\u901f\u5ea6\u304c\u7d50\u679c\u3067\u3059 [5] Bis 8 gt\/s\u3002 [6] \u00d732\u30c1\u30c3\u30d7\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001256\u500b\u306e\u30c7\u30fc\u30bf\u30e9\u30a4\u30f3\u30688x GDDR5\u30c1\u30c3\u30d7\u304c115.2\u301c256 Gb\/s\u306e\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30d7\u30ed\u30bb\u30c3\u30b5\u306e\u5834\u5408\u300114.4\u301c32 Gb\/s\u306b\u306a\u308a\u307e\u3059\u3002 GDDR5\u3092\u4f7f\u7528\u3057\u305f\u6700\u521d\u306e\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30ab\u30fc\u30c9\u306fATI Radeon HD 4870\u3067\u3001512 MBYTE GDDR5\u30e1\u30e2\u30ea\uff083.6 GT\/s\u304a\u3088\u3073115.2 GB\uff09\u306e\u6700\u521d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3002\u5927\u898f\u6a21\u306a\u30b7\u30ea\u30fc\u30ba\u306e\u751f\u7523\u306f2008\u5e74\u4e0a\u534a\u671f\u306b\u59cb\u307e\u308a\u307e\u3057\u305f\u3002Qimonda\u306f\u6700\u521d\u306eGDDR5-SDRAM\u30c1\u30c3\u30d7\u3092\u5927\u91cf\u306b\u914d\u4fe1\u3057\u3001Hynix\u306f\u6700\u521d\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u5c0e\u5165\u3057\u307e\u3057\u305f\u3002 [7] [8] Samsung\u306f\u3001\u4f9b\u7d66\u96fb\u5727\u304c1.35 V\u3067\u3042\u308bGDDR5\u30e1\u30e2\u30ea\u3092\u767a\u8868\u3057\u307e\u3057\u305f\u3002 [9] Sony\u306f\u3001PlayStation 4\u3067176 GB\/s\u306e\u5e2f\u57df\u5e45\u30678 GB GDDR5\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002 [\u5341] \u30b5\u30e0\u30b9\u30f3\u306f\u30018 GBIT GDDR5\u30e1\u30e2\u30ea\u30c1\u30c3\u30d7\u306e\u5927\u91cf\u751f\u7523\u3092\u767a\u8868\u3057\u305f\u6700\u521d\u306e\u4f1a\u793e\u3067\u3057\u305f\u3002 [11] GDDR5X [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] GDDR5X\u306f2015\u5e74\u306b\u767a\u8868\u3055\u308c\u30012016\u5e745\u670827\u65e5\u306bGEFORCE GTX 1080\u3067\u5c0e\u5165\u3055\u308c\u307e\u3057\u305f\u3002 10\u304b\u3089\uff08\u8a08\u753b\uff0914 gbit\/s\u3042\u305f\u308a14 gbit\/s\u306e\u8ee2\u9001\u901f\u5ea6\u306e\u5834\u5408\u3001320\u301c448 gb\/s\u3092256\u30d3\u30c3\u30c8\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u4ecb\u3057\u3066\u9001\u4fe1\u3067\u304d\u307e\u3059\u3002 GDDR6 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] GDDR6\u306f\u3001\u30e1\u30e2\u30ea\u30e1\u30fc\u30ab\u30fcMicron\u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30b4\u30fc\u30ec\u30e0\u306e\u3088\u3046\u306b [12\u756a\u76ee] 2017\u5e7412\u670822\u65e5\u3001Micron\u306f\u958b\u767a\u3092\u5b8c\u4e86\u3057\u3001\u6700\u521d\u306e\u30c6\u30b9\u30c8\u30d1\u30bf\u30fc\u30f3\u3092\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30e1\u30fc\u30ab\u30fc\u306b\u5206\u914d\u3057\u307e\u3057\u305f\u3002\u30b7\u30ea\u30fc\u30ba\u306e\u5236\u4f5c\u306f2018\u5e74\u304b\u3089\u5b9f\u884c\u3055\u308c\u3066\u3044\u307e\u3059\u3002 [13] GDDR6\u30e1\u30e2\u30ea\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001GDDR5\uff08x\uff09\u3067190\u30d4\u30f3\u306e\u4ee3\u308f\u308a\u306b180\u30d4\u30f3\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u307e\u305f\u3001GDDR5X\u3068\u540c\u69d8\u306b\u30011.35 V\u306e\u96fb\u5727\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002\u30e1\u30e2\u30ea\u5e2f\u57df\u5e45\u306f16 gbit\/s\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u305a\u3001\u30c6\u30b9\u30c8\u30d1\u30bf\u30fc\u30f3\u306f14 gbit\/s\u306e\u307f\u306b\u9054\u3057\u307e\u3059\u3002Samsung\u3068SK Hynix\u306f\u3001GDDR6\u30e2\u30b8\u30e5\u30fc\u30eb\u3067\u3082\u52d5\u4f5c\u3057\u307e\u3059\u3002 GDDR6\u3092\u5099\u3048\u305f\u6700\u521d\u306e\u5e83\u7bc4\u306a\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30b9\u30ab\u30fc\u30c9\u306f\u30012018\u5e749\u6708\u306b\u516c\u958b\u3055\u308c\u305fNVIDIA\u306eGeForce RTX\u30ab\u30fc\u30c9\u3067\u3059\u3002 gddr6x [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] NRZ-PAM2-\u304b\u3089NRZ-PAM4\u5909\u8abf\u3078\u306e\u5909\u66f4\u3002\u6700\u521d\u306bNVIDIA RTX 3080\u304a\u3088\u30733090\u3067\u4f7f\u7528\u3057\u307e\u3059\u3002 [14] GDDR7 [ \u7de8\u96c6 | \u30bd\u30fc\u30b9\u30c6\u30ad\u30b9\u30c8\u3092\u7de8\u96c6\u3057\u307e\u3059 ] \u4eca\u5f8c\u306e\u4e16\u4ee3\u306b\u95a2\u3059\u308b\u60c5\u5831\u306f\u30012022\u5e7410\u6708\u306b\u767a\u8868\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u306e\u6642\u70b9\u3067\u306f\u3001\u5e02\u5834\u306e\u6253\u3061\u4e0a\u3052\u306e\u4e88\u7d04\u306f\u307e\u3060\u8a00\u53ca\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002 [15] \u2191  \u6700\u901f\u5229\u7528\u53ef\u80fd\u306aGDR-RAM\u5bfe\u901f\u3044\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30ab\u30fc\u30c9\u30e1\u30e2\u30ea\uff1a2004\uff1a0.266\u5bfe0.95 GHz; 2005\uff1a0.4\u5bfe1.6 GHz; 2009\uff1a1.3\u5bfe3.4 GHz; 2013\uff1a1.6\u5bfe6 GHz; 2020\uff1a4.8\u5bfe19 GHz  \u2191  \u4e0b\u306e\u4ed5\u69d8 jedec.org \uff08 \u8a18\u5ff5 2007\u5e749\u670826\u65e5\u304b\u3089 \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30a2\u30fc\u30ab\u30a4\u30d6 ; pdf\uff09  \u2191  512MBIT GDDR4 SGRAM\u3002 2m x 32\u30d3\u30c3\u30c8x 8\u9280\u884c\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30c0\u30d6\u30eb\u30c7\u30fc\u30bf\u30ec\u30fc\u30c84\u5358\u65b9\u65b9\u5411\u306e\u30c7\u30fc\u30bf\u30b9\u30c8\u30ed\u30dc\u3068DLL\uff08136Ball FBGA\uff09\u3002 \u30ea\u30d3\u30b8\u30e7\u30f31.2\uff08K4U52324QE\uff09\u3002 \uff08PDF\uff09Samsung\u3001Mai 2007\u3001 2022\u5e7411\u67085\u65e5\u306b\u30a2\u30af\u30bb\u30b9 \u3002   \u2191  Hynix\u306e512-MBIT-GDDR4-SDRAM\u306e\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8 \uff08 \u8a18\u5ff5 2015\u5e749\u670824\u65e5\u304b\u3089 \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30a2\u30fc\u30ab\u30a4\u30d6 ; pdf\uff09  \u2191  \u30a2\u30f3\u30c8\u30f3\u30fb\u30b7\u30ed\u30d5\uff1a GDDR5\u751f\u7523\u4e2d\u3001\u65b0\u3057\u3044\u30e9\u30a6\u30f3\u30c9\u306e\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30ab\u30fc\u30c9\u306f\u5dee\u3057\u8feb\u3063\u3066\u3044\u307e\u3059-X\u30d3\u30c3\u30c8\u30e9\u30dc\u3002 2015\u5e744\u67082\u65e5\u3001\u30a2\u30fc\u30ab\u30a4\u30d6 \u30aa\u30ea\u30b8\u30ca\u30eb \u5348\u524d 2. 2015\u5e744\u6708 ; 2022\u5e7411\u67085\u65e5\u306b\u30a2\u30af\u30bb\u30b9 \u3002   \u60c5\u5831\uff1a \u30a2\u30fc\u30ab\u30a4\u30d6\u30ea\u30f3\u30af\u306f\u81ea\u52d5\u7684\u306b\u4f7f\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u307e\u3060\u30c1\u30a7\u30c3\u30af\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u6307\u793a\u306b\u5f93\u3063\u3066\u30aa\u30ea\u30b8\u30ca\u30eb\u3068\u30a2\u30fc\u30ab\u30a4\u30d6\u306e\u30ea\u30f3\u30af\u3092\u78ba\u8a8d\u3057\u3066\u304b\u3089\u3001\u3053\u306e\u30e1\u30e2\u3092\u524a\u9664\u3057\u3066\u304f\u3060\u3055\u3044\u3002 @\u521d\u3081 @2 \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\uff1awebachiv\/iabot\/www.xbitlabs.com   \u2191  \u30cf\u30c3\u30b5\u30f3\u30fb\u30e0\u30b8\u30e5\u30bf\u30d0\uff1a SK Hynix Readies 8 GHz GDDR5 4 GB\u30e1\u30e2\u30ea\u30b9\u30c6\u30a3\u30c3\u30afGPU\u7528 &#8211;  HBM\u3092\u5099\u3048\u305f\u7a4d\u307f\u4e0a\u3052\u30c7\u30b6\u30a4\u30f3\u3082\u51fa\u8377\u3057\u307e\u3059\u3002 \u306e\uff1a wccftech\u3002 17. 2014\u5e7411\u6708\u3001 2022\u5e7411\u67085\u65e5\u306b\u30a2\u30af\u30bb\u30b9 \u3002   \u2191  Christof Windeck\uff1a Hynix\uff1a2008\u5e74\u534a\u3070\u306e\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30c1\u30c3\u30d7\u306eGDDR5\u30e1\u30e2\u30ea\u3002 \u30aa\u30f3\u30e9\u30a4\u30f3\u3067heise\u3001 2008\u5e742\u67088\u65e5\u306b\u30a2\u30af\u30bb\u30b9 \u3002   \u2191  \u4ed5\u69d8\uff1a Qimenda GDDR5  &#8211; \u30db\u30ef\u30a4\u30c8\u30da\u30fc\u30d1\u30fc\u3002 \uff08PDF\uff09Qimonda\u30012007\u5e748\u6708\u3001 2022\u5e7411\u67085\u65e5\u306b\u30a2\u30af\u30bb\u30b9 \u3002   \u2191  Jan-Frederik Timm\uff1a \u30b5\u30e0\u30b9\u30f3\u304b\u308950 nm\u306eGDDR5\u3002 \u306e\uff1a \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30d9\u30fc\u30b9\u3002 2009\u5e742\u670813\u65e5\u3001 2022\u5e7411\u67085\u65e5\u306b\u30a2\u30af\u30bb\u30b9 \u3002   \u2191  Sony Computer Entertainment Inc.\u306f\u3001PlayStation\u00ae4\u3092\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002 \uff08 \u8a18\u5ff5 2013\u5e742\u670821\u65e5\u304b\u3089 \u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30a2\u30fc\u30ab\u30a4\u30d6 ; PDF; 386 KB\uff09scei.co.jp\u30012013\u5e742\u670820\u65e5\uff08\u82f1\u8a9e\uff092013\u5e742\u670821\u65e5\u306b\u30a2\u30af\u30bb\u30b9\u3002  \u2191  \u30b5\u30e0\u30b9\u30f3\uff1a Samsung Electronics\u306f\u3001\u5927\u91cf\u751f\u7523\u696d\u754c\u306e\u6700\u521d\u306e8\u30ae\u30ac\u30d3\u30c3\u30c8\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30b9\u30c9\u30e9\u30e0\uff08GDDR5\uff09\u3092\u958b\u59cb\u3057\u307e\u3059\u3002 2015\u5e741\u670815\u65e5\u3001 2015\u5e742\u67089\u65e5\u306b\u30a2\u30af\u30bb\u30b9 \uff08\u82f1\u8a9e\uff09\u3002   \u2191  \u30de\u30fc\u30af\u30fb\u30bd\u30fc\u30bf\u30fc\uff1a \u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30ab\u30fc\u30c9\u7528\u306eMicrons GDDR6\u306e\u6e96\u5099\u304c\u3067\u304d\u307e\u3057\u305f\u3002 \u306e\uff1a \u30b4\u30fc\u30ec\u30e0\u3002 2017\u5e7412\u670822\u65e5\u3001 2018\u5e741\u670829\u65e5\u306b\u30a2\u30af\u30bb\u30b9 \u3002   \u2191  \u30de\u30fc\u30af\u30fb\u30bd\u30fc\u30bf\u30fc\uff1a GDDR6\u306e\u30b7\u30ea\u30fc\u30ba\u751f\u7523\u306f\u3001\u30d1\u30fc\u30c8\u30ca\u30fc\u3068\u8abf\u6574\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u306e\uff1a Golem.de\u3002 29. 2018\u5e749\u6708\u3001 2019\u5e742\u67084\u65e5\u306b\u30a2\u30af\u30bb\u30b9 \u3002   \u2191  \u30e9\u30a4\u30a2\u30f3\u30fb\u30b9\u30df\u30b9\uff1a GDDR6X\u3067\u306e\u30df\u30af\u30ed\u30f3\u6d41\u51fa\uff1aPAM4\u30b7\u30b0\u30ca\u30eb\u4f1d\u9054\u304c\u9ad8\u901f\u3067\u3001NVIDIA\u306eRTX 3090\u306b\u767b\u5834\u3057\u307e\u3059\u3002 20. 2020\u5e748\u6708\u3001 2022\u5e7411\u67085\u65e5\u306b\u30a2\u30af\u30bb\u30b9 \u3002   \u2191  heise.de\uff1a\u300c\u6b21\u4e16\u4ee3\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30b9\u30ab\u30fc\u30c9\uff1a\u30a2\u30af\u30bb\u30e9\u30ec\u30fc\u30bf\u306eGDDR7-RAM\u30d7\u30ec\u30b9\u300d 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