GPU model | Redwood | GF108 |
---|---|---|
GPU variant | Redwood XT (215-0757002) | GF108-300-A1 |
Architecture | TeraScale 2 | Fermi |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 40 nm |
Number of transistors | 627 million | 585 million |
Die size | 104 mm² | 116 mm² |
Release date | Feb 26th, 2011 | — |
---|---|---|
Generation | Evergreen | — |
Production | End-of-life | — |
Interface | PCIe 2.0 x16 | — |
Predecessor | Radeon R700 | — |
Successor | Northern Islands | — |
GPU clock | 775 MHz | 672 MHz |
---|---|---|
Memory clock | 1000 MHz 4 Gbps effective | 785 MHz 3.1 Gbps effective |
Shader clock | — | 1344 MHz |
Memory size | 1024 MB | 1024 MB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 128 bit | 64 bit |
Bandwidth | 64.00 GB/s | 25.12 GB/s |
Shading units | 400 | 96 |
---|---|---|
TMUs | 20 | 16 |
ROPs | 8 | 4 |
Compute units | 5 | — |
Cache L1 | 8 KB (per CU) | 64 KB (per SM) |
Cache L2 | 256 KB | 128 KB |
SM count | — | 2 |
Pixel rate | 6.200 GPixel/s | 2.688 GPixel/s |
---|---|---|
Texture rate | 15.50 GTexel/s | 10.75 GTexel/s |
FP32 (float) performance | 620.0 GFLOPS | 258.0 GFLOPS |
FP64 (double) performance | — | 21.50 GFLOPS (1:12) |
Slot width | Single-slot | MXM Module |
---|---|---|
Length | 168 mm 6.6 inches | — |
TDP | 64 W | 25 W |
Suggested PSU | 250 W | — |
Outputs | 1x DVI1x HDMI1x VGA | No outputs |
DirectX | 11.2 (11_0) | 12 (11_0) |
---|---|---|
OpenGL | 4.4 | 4.6 |
OpenCL | 1.2 | 1.1 |
Vulkan | — | — |
Shader model | 5.0 | 5.1 |
CUDA | — | 2.1 |
Release date | — | Sep 17th, 2012 |
---|---|---|
Generation | — | NVS Mobile (x200M) |
Production | — | End-of-life |
Interface | — | MXM |
Reviews | — | 26 in our database |