R9 290
Memory Size:4096 MB
Memory Type:GDDR5
Memory Bus:512 bit
Bandwidth:288 GB/s
GPU Clock:947 MHz
Memory Clock:1125 MHz 4500 MHz effective
TDP:250 W

R9 280X

Memory Size:3072 MB
Memory Type:GDDR5
Memory Bus:384 bit
Bandwidth:288 GB/s
GPU Clock:850 MHz
Boost Clock:1000 MHz
Memory Clock:1500 MHz 6000 MHz effective
TDP:190 W

R9 270X
Memory Size:2048 MB
Memory Type:GDDR5
Memory Bus:256 bit
Bandwidth: 179 GB/s
GPU Clock:1000 MHz
Boost Clock:1050 MHz
Memory Clock:1400 MHz 5600 MHz effective
TDP:185 W

R7 250
Memory Size:1024 MB
Memory Type:GDDR5
Memory Bus:128 bit
Bandwidth:73.6 GB/s
GPU Clock:1000 MHz
Boost Clock:1050 MHz
Memory Clock:1150 MHz 4600 MHz effective
TDP: 75 W
r7 250 比7750 還耗電哪招, 250 定位在7770 ?

R7 240
Memory Size:2048 MB
Memory TypeDR3
Memory Bus:128 bit
Bandwidth:28.8 GB/s
GPU Clock:730 MHz
Boost Clock:780 MHz
Memory Clock:900 MHz 1800 MHz effective
TDP:50 W


R5 230
Memory Size:2048 MB
Memory TypeDR3
Memory Bus:64 bit 地雷卡....
Bandwidth:14.4 GB/s
GPU Clock:875 MHz
Memory Clock:900 MHz 1800 MHz effective
TDP:35 W