Technical data / specifications
With the DirectCUII ASUS has the first high-end AMD graphics card in its portfolio that features an improved power design as well as a new cooler. This card now can rely on nine phases and to furhter improve reliability ASUS provided the different components like coils, capacitors, POSCAPS and MOSFETs with an alloy which should keep them cooler and therefore improve their lifespan. One can also find two 8-pin power connectors. The message ASUS sends out, especially with the two 8-pin connectors, is quite clear and aims at extreme overclocking.
Another key component with this card is the DirectCUII cooler which also is a design by ASUS and has been equipped with
two 100 millimeter fans. You also find five heatpipes with a diameter of eight millimeter. According to ASUS this cooler should work much more efficient than the reference model. In realitiy we see that when the card is in idle mode it is a little bit noisier then the reference but under heavy load conditions it is more silent.
Looking at the clock speed we can see that the HD 6970 DirectCUII comes with a 10 MHz overclocking on the GPU which is almost standard with ASUS graphics cards these days.
|
ASUS HD 6970 DirectCUII |
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 |
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