GPU model | RV670 | G80 |
---|---|---|
Architecture | TeraScale | Tesla |
Foundry | TSMC | TSMC |
Manufacturing process | 55 nm | 90 nm |
Number of transistors | 666 million | 681 million |
Die size | 192 mm² | 484 mm² |
GPU variant | — | G80-450-A3 |
Release date | Nov 8th, 2007 | May 2nd, 2007 |
---|---|---|
Generation | FireStream | GeForce 8 |
Production | End-of-life | End-of-life |
Interface | PCIe 2.0 x16 | PCIe 1.0 x16 |
Launch price | — | 829 USD |
Reviews | — | 403 in our database |
Predecessor | — | GeForce 7 PCIe |
Successor | — | GeForce 9 |
GPU clock | 800 MHz | 612 MHz |
---|---|---|
Memory clock | 800 MHz 1600 Mbps effective | 1080 MHz 2.2 Gbps effective |
Shader clock | — | 1512 MHz |
Memory size | 2 GB | 768 MB |
---|---|---|
Memory type | GDDR3 | GDDR3 |
Memory bus width | 256 bit | 384 bit |
Bandwidth | 51.20 GB/s | 103.7 GB/s |
Shading units | 320 | 128 |
---|---|---|
TMUs | 16 | 32 |
ROPs | 16 | 24 |
Compute units | 4 | — |
Cache L2 | 256 KB | 96 KB |
SM count | — | 16 |
Pixel rate | 12.80 GPixel/s | 14.69 GPixel/s |
---|---|---|
Texture rate | 12.80 GTexel/s | 39.17 GTexel/s |
FP32 (float) performance | 512.0 GFLOPS | 387.1 GFLOPS |
FP64 (double) performance | 102.4 GFLOPS (1:5) | — |
Slot width | Dual-slot | Dual-slot |
---|---|---|
Length | 241 mm 9.5 inches | 270 mm 10.6 inches |
Width | 111 mm 4.4 inches | — |
TDP | 105 W | 171 W |
Suggested PSU | 300 W | 450 W |
Outputs | 2x DVI1x S-Video | 2x DVI1x S-Video |
Power connectors | 1x 6-pin | 2x 6-pin |
Board number | — | P355 |
DirectX | 10.1 (10_1) | 11.1 (10_0) |
---|---|---|
OpenGL | 3.3 (full) 4.0 (partial) | 3.3 |
OpenCL | — | 1.1 (1.0) |
Vulkan | — | — |
Shader model | 4.1 | 4.0 |
CUDA | — | 1.0 |