GPU model | Antilles | Blackcomb |
---|---|---|
GPU variant | Antilles XT (215-0807027) | Blackcomb XT (216-0811000) |
Architecture | TeraScale 3 | TeraScale 2 |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 40 nm |
Number of transistors | 2,640 million | 1,700 million |
Die size | 389 mm² | 212 mm² |
Release date | Never Released | — |
---|---|---|
Generation | Northern Islands | — |
Production | End-of-life | — |
Interface | PCIe 2.0 x16 | — |
Predecessor | Evergreen | — |
Successor | Southern Islands | — |
GPU clock | 880 MHz | 680 MHz |
---|---|---|
Memory clock | 1375 MHz 5.5 Gbps effective | 900 MHz 3.6 Gbps effective |
Memory size | 2 GB | 2 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 256 bit | 256 bit |
Bandwidth | 176.0 GB/s | 115.2 GB/s |
Shading units | 1536 | 960 |
---|---|---|
TMUs | 96 | 48 |
ROPs | 32 | 32 |
Compute units | 24 | 12 |
Cache L1 | 8 KB (per CU) | 8 KB (per CU) |
Cache L2 | 512 KB | 512 KB |
Pixel rate | 28.16 GPixel/s | 21.76 GPixel/s |
---|---|---|
Texture rate | 84.48 GTexel/s | 32.64 GTexel/s |
FP32 (float) performance | 2.703 TFLOPS | 1,306 GFLOPS |
Slot width | Dual-slot | MXM Module |
---|---|---|
TDP | 375 W | 75 W |
Suggested PSU | 750 W | — |
Outputs | 2x DVI1x HDMI2x mini-DisplayPort | No outputs |
Power connectors | 3x 8-pin | None |
Board number | — | C296 |
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 | — | Aug 25th, 2011 |
---|---|---|
Generation | — | Vancouver (HD 6900M) |
Production | — | End-of-life |
Interface | — | MXM-B (3.0) |
Predecessor | — | Manhattan |
Successor | — | London |