ATI Radeon X1650 XT Dual vs NVIDIA GeForce GTX 275 PhysX Edition
Graphics Processor
| GPU model | RV560 | G92B |
|---|---|---|
| GPU variant | RV560 XT (215PAGAKA12FG) | G92-421-B1 |
| Architecture | R500 | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 80 nm | 55 nm |
| Number of transistors | 330 million | 754 million |
| Die size | 230 mm² | 260 mm² |
Graphics Card
| Release date | Oct 30th, 2006 | Feb 16th, 2010 |
|---|---|---|
| Generation | Radeon R500 PCIe | GeForce 200 |
| Production | End-of-life | End-of-life |
| Interface | PCIe 1.0 x16 | PCIe 2.0 x16 |
| Reviews | 49 in our database | 61 in our database |
| Predecessor | Radeon R400 PCIe | GeForce 9 |
| Successor | Radeon R600 | GeForce 400 |
Clocks
| GPU clock | 525 MHz | 633 MHz |
|---|---|---|
| Memory clock | 700 MHz 1400 Mbps effective | 1134 MHz 2.3 Gbps effective |
| Shader clock | — | 1296 MHz |
Memory Configuration
| Memory size | 256 MB | 896 MB |
|---|---|---|
| Memory type | GDDR3 | GDDR3 |
| Memory bus width | 128 bit | 448 bit |
| Bandwidth | 22.40 GB/s | 127.0 GB/s |
Render Configuration
| Pixel shaders | 24 | — |
|---|---|---|
| Vertex shaders | 8 | — |
| TMUs | 8 | 80 |
| ROPs | 8 | 28 |
| Shading units | — | 240 |
| SM count | — | 30 |
| Cache L2 | — | 224 KB |
Performance
| Pixel rate | 4.200 GPixel/s | 17.72 GPixel/s |
|---|---|---|
| Vertex rate | 1.050 GVertices/s | — |
| Texture rate | 4.200 GTexel/s | 50.64 GTexel/s |
| FP32 (float) performance | — | 622.1 GFLOPS |
| FP64 (double) performance | — | 77.76 GFLOPS (1:8) |
Dimensions & Outputs
| Slot width | Single-slot | Dual-slot |
|---|---|---|
| TDP | unknown | 219 W |
| Suggested PSU | 200 W | 550 W |
| Outputs | 2x DVI | 2x DVI |
| Power connectors | 1x 6-pin | 1x 6-pin + 1x 8-pin |
| Length | — | 267 mm 10.5 inches |
API Support & Features
| DirectX | 9.0c (9_3) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 2.1 | 3.3 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Shader model | 3.0 | 4.0 |
| CUDA | — | 1.3 |
