GPU model | Blackcomb | Cypress |
---|---|---|
GPU variant | Blackcomb XT (216-0811000) | Cypress XT (215-0735033) |
Architecture | TeraScale 2 | TeraScale 2 |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 40 nm |
Number of transistors | 1,700 million | 2,154 million |
Die size | 212 mm² | 334 mm² |
Release date | Aug 25th, 2011 | — |
---|---|---|
Generation | Vancouver (HD 6900M) | — |
Production | End-of-life | — |
Interface | MXM-B (3.0) | — |
Predecessor | Manhattan | — |
Successor | London | — |
GPU clock | 680 MHz | 850 MHz |
---|---|---|
Memory clock | 900 MHz 3.6 Gbps effective | 1195 MHz 4.8 Gbps effective |
Memory size | 2 GB | 1024 MB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 256 bit | 256 bit |
Bandwidth | 115.2 GB/s | 153.0 GB/s |
Shading units | 960 | 1600 |
---|---|---|
TMUs | 48 | 80 |
ROPs | 32 | 32 |
Compute units | 12 | 20 |
Cache L1 | 8 KB (per CU) | 8 KB (per CU) |
Cache L2 | 512 KB | 512 KB |
Pixel rate | 21.76 GPixel/s | 27.20 GPixel/s |
---|---|---|
Texture rate | 32.64 GTexel/s | 68.00 GTexel/s |
FP32 (float) performance | 1,306 GFLOPS | 2.720 TFLOPS |
FP64 (double) performance | — | 544.0 GFLOPS (1:5) |
Slot width | MXM Module | Dual-slot |
---|---|---|
TDP | 75 W | 228 W |
Outputs | No outputs | 1x DVI2x mini-DisplayPort |
Power connectors | None | 2x 6-pin |
Board number | C296 | C078 |
Length | — | 279 mm 11 inches |
Suggested PSU | — | 550 W |
DirectX | 11.2 (11_0) | 11.2 (11_0) |
---|---|---|
OpenGL | 4.4 | 4.4 |
OpenCL | 1.2 | 1.2 |
Vulkan | — | — |
Shader model | 5.0 | 5.0 |
Release date | — | Jun 30th, 2010 |
---|---|---|
Generation | — | Evergreen |
Production | — | End-of-life |
Launch price | — | 479 USD |
Interface | — | PCIe 2.0 x16 |
Reviews | — | 171 in our database |
Predecessor | — | Radeon R700 |
Successor | — | Northern Islands |