GPU model | RV670 | NV5B |
---|---|---|
Architecture | TeraScale | Fahrenheit |
Foundry | TSMC | TSMC |
Manufacturing process | 55 nm | 250 nm |
Number of transistors | 666 million | 15 million |
Die size | 192 mm² | 90 mm² |
GPU variant | — | Riva TNT2 Ultra |
Release date | Nov 8th, 2007 | Mar 15th, 1999 |
---|---|---|
Generation | FireStream | TNT2 |
Production | End-of-life | End-of-life |
Interface | PCIe 2.0 x16 | AGP 4x |
Launch price | — | 299 USD |
Predecessor | — | Riva |
Successor | — | GeForce 256 |
GPU clock | 800 MHz | 150 MHz |
---|---|---|
Memory clock | 800 MHz 1600 Mbps effective | 183 MHz |
Memory size | 2 GB | 32 MB |
---|---|---|
Memory type | GDDR3 | SDR |
Memory bus width | 256 bit | 128 bit |
Bandwidth | 51.20 GB/s | 2.928 GB/s |
Shading units | 320 | — |
---|---|---|
TMUs | 16 | 2 |
ROPs | 16 | 2 |
Compute units | 4 | — |
Cache L2 | 256 KB | — |
Pixel shaders | — | 2 |
Vertex shaders | — | 0 |
Pixel rate | 12.80 GPixel/s | 300.0 MPixel/s |
---|---|---|
Texture rate | 12.80 GTexel/s | 300.0 MTexel/s |
FP32 (float) performance | 512.0 GFLOPS | — |
FP64 (double) performance | 102.4 GFLOPS (1:5) | — |
Slot width | Dual-slot | Single-slot |
---|---|---|
Length | 241 mm 9.5 inches | — |
Width | 111 mm 4.4 inches | — |
TDP | 105 W | unknown |
Suggested PSU | 300 W | 200 W |
Outputs | 2x DVI1x S-Video | 1x VGA2x S-Video |
Power connectors | 1x 6-pin | None |
DirectX | 10.1 (10_1) | 6.0 |
---|---|---|
OpenGL | 3.3 (full) 4.0 (partial) | 1.2 |
OpenCL | — | — |
Vulkan | — | — |
Shader model | 4.1 | — |
Pixel shader | — | — |
Vertex shader | — | — |