Technical data / specifications

The ASUS EAH 6970 has been built according to AMDs reference design which features a massive dual slot cooler and a back plate to cover and protect the cards PCB. From an architectural point of view the biggest changes have been made regarding the Shader units. For several generations AMD made use of 5D shaders. With the new Radeon HD 6950 and Radeon HD 6970 AMD implemented 4D shaders for the first time. The maximum theoretical performance inpact this could have is 20 percent. Furhtermore the HD 6970 is able to make use of a total of 1'536 shader units. If we look at the maximum board power, we see that compared to the Radeon HD 5870 the Radeon HD 6970 needs 62 Watts more on paper. In absolute numbers this means that the Radeon HD 6970 can draw a total of 250 Watt from the power supply. Regarding the idle power also the HD 6970 uses only 20 Watts which is industry leading at this time. New is, that AMD nowadays also provides a number regarding "typical gaming power". They claim that the card needs about 190 Watt on average when playing video games on your comptuer.

	ASUS EAH6970	ASUS EAH6950	ASUS EAH6850	ASUS EAH5870	GTX 580
Chip	Cayman	Cayman	RV940	RV870	GF110
Process	40 nm	40 nm	40 nm	40 nm	40 nm
Transistors	2.64 billion	2.64 billion	1.7 billion	2.15 billion	3.0billion
GPU clock	890 MHz	820 MHz	790 MHz	850 MHz	772 MHz
Shader clock	890 MHz	820 MHz	790 MHz	850 MHz	1'544 MHz
Memory	2'048 MB GDDR5	2'048 MB GDDR5	1'024 MB GDDR5	1'024 MB GDDR5	1'536 MB GDDR5
Memory clock	2'750 MHz	2'500 MHz	1'000 MHz	1'200 MHz	1'002 MHz
Memory interface	256 Bit	256 Bit	256 Bit	256 Bit	384 Bit
Memory bandwidth	176'000 MB/s	160'000 MB/s	128'000 MB/s	153'600 MB/s	192'400 MB/s
TMUs	96	88	48	80	64
TAUs	96	88	48	80	64
Shader Cores	384 (4D)	352 (4D)	192 (5D)	320 (5D)	512 (1D)
ROPs	32 ROP	32 ROP	32 ROP	32 ROP	48 ROP
Shader model	SM 5	SM 5	SM 5	SM 5	SM 5
Maximum board power	250 Watt	200 Watt	127 Watt	188 Watt	244 Watt

Page 1 - Introduction	Page 6 - Futuremark
Page 2 - Specifications	Page 7 - Unigine Heaven / Stone Giant
Page 3 - Preview	Page 8 - World in Conflict / Resident Evil 5
Page 4 - Overclocking	Page 9 - Call of Juarez / Far Cry 2
Page 5 - Testing conditions	Page 10 - Conclusion

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