13 | | || board || arch || clock || memory || SPの数 || 単精度性能 || 倍精度加算性能 || 倍精度乗算性能 || |
14 | | || HD4850 || RV770 || 625 MHz || DDR3 || 800 || 1040 GFLOPS || 208 GFLOPS || 104 GFLOPS || |
15 | | || HD4870 || RV770 || 750 MHz || DDR5 || 800 || 1200 GFLOPS || 240 GFLOPS || 120 GFLOPS || |
16 | | || HD4890 || RV770 || 850 MHz || DDR5 || 800 || 1360 GFLOPS || 272 GFLOPS || 136 GFLOPS || |
| 13 | || board || arch || clock || memory仕様 || SPの数 || 単精度性能 || 倍精度加算性能 || 倍精度乗算性能 || バンド幅 || |
| 14 | || HD4850 || RV770 || 625 MHz || DDR3 662 MHz 256bit || 800 || 1040 GFLOPS || 208 GFLOPS || 104 GFLOPS || 63.6 GB/sec || |
| 15 | || HD4870 || RV770 || 750 MHz || DDR5 900 MHz 256bit || 800 || 1200 GFLOPS || 240 GFLOPS || 120 GFLOPS || 115.2 GB/sec || |
| 16 | || HD4890 || RV770 || 850 MHz || DDR5 975 MHz 256bit || 800 || 1360 GFLOPS || 272 GFLOPS || 136 GFLOPS || 124.8 GB/sec || |
| 17 | || HD4770 || RV770 || 750 MHz || DDR3 800 MHz 128bit || 800 || 1200 GFLOPS || 240 GFLOPS || 120 GFLOPS || 51.2 GB/sec || |
| 18 | |