GPU model | Redwood | G92 |
---|---|---|
GPU variant | Redwood XT (215-0757002) | G92-420-A2 |
Architecture | TeraScale 2 | Tesla |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 65 nm |
Number of transistors | 627 million | 754 million |
Die size | 104 mm² | 324 mm² |
Release date | Feb 26th, 2011 | Mar 28th, 2008 |
---|---|---|
Generation | Evergreen | GeForce 9 |
Production | End-of-life | End-of-life |
Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
Predecessor | Radeon R700 | GeForce 8 |
Successor | Northern Islands | GeForce 200 |
Launch price | — | 299 USD |
Reviews | — | 84 in our database |
GPU clock | 775 MHz | 675 MHz |
---|---|---|
Memory clock | 1000 MHz 4 Gbps effective | 1100 MHz 2.2 Gbps effective |
Shader clock | — | 1688 MHz |
Memory size | 1024 MB | 512 MB |
---|---|---|
Memory type | GDDR5 | GDDR3 |
Memory bus width | 128 bit | 256 bit |
Bandwidth | 64.00 GB/s | 70.40 GB/s |
Shading units | 400 | 128 |
---|---|---|
TMUs | 20 | 64 |
ROPs | 8 | 16 |
Compute units | 5 | — |
Cache L1 | 8 KB (per CU) | — |
Cache L2 | 256 KB | 64 KB |
SM count | — | 16 |
Pixel rate | 6.200 GPixel/s | 10.80 GPixel/s |
---|---|---|
Texture rate | 15.50 GTexel/s | 43.20 GTexel/s |
FP32 (float) performance | 620.0 GFLOPS | 432.1 GFLOPS |
Slot width | Single-slot | Dual-slot |
---|---|---|
Length | 168 mm 6.6 inches | 267 mm 10.5 inches |
TDP | 64 W | 140 W |
Suggested PSU | 250 W | 300 W |
Outputs | 1x DVI1x HDMI1x VGA | 2x DVI1x S-Video |
Width | — | 111 mm 4.4 inches |
Height | — | 38 mm 1.5 inches |
Power connectors | — | 2x 6-pin |
Board number | — | P392 |
DirectX | 11.2 (11_0) | 11.1 (10_0) |
---|---|---|
OpenGL | 4.4 | 3.3 |
OpenCL | 1.2 | 1.1 |
Vulkan | — | — |
Shader model | 5.0 | 4.0 |
CUDA | — | 1.1 |