ATI FireGL X3-256 vs NVIDIA GeForce 7950 GT
Graphics Processor
| GPU model | R420 | G71 |
|---|---|---|
| GPU variant | R420 GL | G71-GT2-H-N-A2 |
| Architecture | R400 | Curie |
| Foundry | TSMC | TSMC |
| Manufacturing process | 130 nm | 90 nm |
| Number of transistors | 160 million | 278 million |
| Die size | 281 mm² | 196 mm² |
Graphics Card
| Release date | Aug 3rd, 2004 | Aug 6th, 2006 |
|---|---|---|
| Generation | FireGL | GeForce 7 PCIe |
| Production | End-of-life | End-of-life |
| Launch price | 1,099 USD | — |
| Interface | AGP 8x | PCIe 1.0 x16 |
| Reviews | 226 in our database | 96 in our database |
| Predecessor | — | GeForce 6 PCIe |
| Successor | — | GeForce 8 |
Clocks
| GPU clock | 491 MHz | 550 MHz |
|---|---|---|
| Memory clock | 454 MHz 908 Mbps effective | 700 MHz 1400 Mbps effective |
Memory Configuration
| Memory size | 256 MB | 512 MB |
|---|---|---|
| Memory type | GDDR3 | GDDR3 |
| Memory bus width | 256 bit | 256 bit |
| Bandwidth | 29.06 GB/s | 44.80 GB/s |
Render Configuration
| Pixel shaders | 12 | 24 |
|---|---|---|
| Vertex shaders | 6 | 8 |
| TMUs | 12 | 24 |
| ROPs | 12 | 16 |
Performance
| Pixel rate | 5.892 GPixel/s | 8.800 GPixel/s |
|---|---|---|
| Vertex rate | 736.5 MVertices/s | 1.100 GVertices/s |
| Texture rate | 5.892 GTexel/s | 13.20 GTexel/s |
Dimensions & Outputs
| Slot width | Single-slot | Single-slot |
|---|---|---|
| TDP | 57 W | 65 W |
| Suggested PSU | 250 W | 250 W |
| Outputs | 2x DVI1x S-Video | 2x DVI1x S-Video |
| Power connectors | 1x Molex | 1x 6-pin |
| Board number | A301-01 | P455 |
| Length | — | 198 mm 7.8 inches |
| Width | — | 111 mm 4.4 inches |
| Height | — | 17 mm 0.7 inches |
API Support & Features
| DirectX | 9.0b (9_2) | 9.0c (9_3) |
|---|---|---|
| OpenGL | 2.1 | 2.1 |
| OpenCL | — | — |
| Vulkan | — | — |
| Pixel shader | 2.0b | — |
| Vertex shader | 2.0b | — |
| Shader model | — | 3.0 |
