ATI Radeon 9250 PCI vs NVIDIA GeForce GT 640 Rev. 2
Graphics Processor
| GPU model | RV280 | GK208 |
|---|---|---|
| Architecture | Rage 7 | Kepler 2.0 |
| Foundry | UMC | TSMC |
| Manufacturing process | 150 nm | 28 nm |
| Number of transistors | 36 million | 1,020 million |
| Die size | 98 mm² | 87 mm² |
| GPU variant | — | GK208-400-A1 |
Graphics Card
| Release date | Mar 1st, 2004 | May 29th, 2013 |
|---|---|---|
| Generation | Radeon R200 | GeForce 600 |
| Production | End-of-life | End-of-life |
| Interface | PCI | PCIe 2.0 x8 |
| Reviews | 7 in our database | — |
| Predecessor | Radeon R100 | GeForce 500 |
| Successor | Radeon R300 | GeForce 700 |
| Launch price | — | 89 USD |
Clocks
| GPU clock | 240 MHz | 1046 MHz |
|---|---|---|
| Memory clock | 200 MHz 400 Mbps effective | 1252 MHz 5 Gbps effective |
Memory Configuration
| Memory size | 128 MB | 1024 MB |
|---|---|---|
| Memory type | DDR | GDDR5 |
| Memory bus width | 64 bit | 64 bit |
| Bandwidth | 3.200 GB/s | 40.06 GB/s |
Render Configuration
| Pixel shaders | 4 | — |
|---|---|---|
| Vertex shaders | 1 | — |
| TMUs | 4 | 32 |
| ROPs | 4 | 8 |
| Shading units | — | 384 |
| SMX count | — | 2 |
| Cache L1 | — | 16 KB (per SMX) |
| Cache L2 | — | 512 KB |
Performance
| Pixel rate | 960.0 MPixel/s | 8.368 GPixel/s |
|---|---|---|
| Vertex rate | 60.00 MVertices/s | — |
| Texture rate | 960.0 MTexel/s | 33.47 GTexel/s |
| FP32 (float) performance | — | 803.3 GFLOPS |
| FP64 (double) performance | — | 33.47 GFLOPS (1:24) |
Dimensions & Outputs
| Slot width | Single-slot | Single-slot |
|---|---|---|
| TDP | unknown | 49 W |
| Suggested PSU | 200 W | 200 W |
| Outputs | 1x DVI1x VGA1x S-Video | 1x DVI1x HDMI1x VGA |
| Power connectors | None | None |
| Length | — | 145 mm 5.7 inches |
| Board number | — | P2131 |
API Support & Features
| DirectX | 8.1 | 12 (11_0) |
|---|---|---|
| OpenGL | 1.4 | 4.6 |
| OpenCL | — | 3.0 |
| Vulkan | — | 1.1 |
| Pixel shader | 1.4 | — |
| Vertex shader | 1.1 | — |
| CUDA | — | 3.5 |
| Shader model | — | 5.1 |
