ATI Radeon X1950 PRO DUAL vs NVIDIA GeForce 8800 GTS 640
Graphics Processor
| GPU model | RV570 | G80 |
|---|---|---|
| GPU variant | RV570 XT (215PADAKA12FG) | G80-100-K0-A2 |
| Architecture | R500 | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 80 nm | 90 nm |
| Number of transistors | 330 million | 681 million |
| Die size | 230 mm² | 484 mm² |
Graphics Card
| Release date | Jan 10th, 2007 | Nov 8th, 2006 |
|---|---|---|
| Generation | Radeon R500 PCIe | GeForce 8 |
| Production | End-of-life | End-of-life |
| Launch price | 349 USD | 449 USD |
| Interface | PCIe 1.0 x16 | PCIe 1.0 x16 |
| Reviews | 144 in our database | 403 in our database |
| Predecessor | Radeon R400 PCIe | GeForce 7 PCIe |
| Successor | Radeon R600 | GeForce 9 |
Clocks
| GPU clock | 575 MHz | 513 MHz |
|---|---|---|
| Memory clock | 690 MHz 1380 Mbps effective | 792 MHz 1584 Mbps effective |
| Shader clock | — | 1188 MHz |
Memory Configuration
| Memory size | 512 MB | 640 MB |
|---|---|---|
| Memory type | GDDR3 | GDDR3 |
| Memory bus width | 256 bit | 320 bit |
| Bandwidth | 44.16 GB/s | 63.36 GB/s |
Render Configuration
| Pixel shaders | 36 | — |
|---|---|---|
| Vertex shaders | 8 | — |
| TMUs | 12 | 24 |
| ROPs | 12 | 20 |
| Shading units | — | 96 |
| SM count | — | 12 |
| Cache L2 | — | 80 KB |
Performance
| Pixel rate | 6.900 GPixel/s | 10.26 GPixel/s |
|---|---|---|
| Vertex rate | 1.150 GVertices/s | — |
| Texture rate | 6.900 GTexel/s | 24.62 GTexel/s |
| FP32 (float) performance | — | 228.1 GFLOPS |
Dimensions & Outputs
| Slot width | Single-slot | Dual-slot |
|---|---|---|
| Length | 300 mm 11.8 inches | 267 mm 10.5 inches |
| TDP | 130 W | 143 W |
| Suggested PSU | 300 W | 300 W |
| Outputs | 2x DVI1x S-Video | 2x DVI1x S-Video |
| Power connectors | 1x 6-pin | 1x 6-pin |
| Board number | — | P356 |
API Support & Features
| DirectX | 9.0c (9_3) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 2.1 (full) 3.0 (partial) | 3.3 |
| OpenCL | — | 1.1 (1.0) |
| Vulkan | — | — |
| Shader model | 3.0 | 4.0 |
| CUDA | — | 1.0 |
