NVIDIA GeForce 8800 GTS 640 vs NVIDIA GeForce GTX 280M
Graphics Processor
| GPU model | G80 | G92 |
|---|---|---|
| GPU variant | G80-100-K0-A2 | N10E-GTX |
| Architecture | Tesla | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 90 nm | 65 nm |
| Number of transistors | 681 million | 754 million |
| Die size | 484 mm² | 324 mm² |
Graphics Card
| Release date | Nov 8th, 2006 | — |
|---|---|---|
| Generation | GeForce 8 | — |
| Production | End-of-life | — |
| Launch price | 449 USD | — |
| Interface | PCIe 1.0 x16 | — |
| Reviews | 403 in our database | — |
| Predecessor | GeForce 7 PCIe | — |
| Successor | GeForce 9 | — |
Clocks
| GPU clock | 513 MHz | 585 MHz |
|---|---|---|
| Shader clock | 1188 MHz | 1463 MHz |
| Memory clock | 792 MHz 1584 Mbps effective | 950 MHz 1900 Mbps effective |
Memory Configuration
| Memory size | 640 MB | 1024 MB |
|---|---|---|
| Memory type | GDDR3 | GDDR3 |
| Memory bus width | 320 bit | 256 bit |
| Bandwidth | 63.36 GB/s | 60.80 GB/s |
Render Configuration
| Shading units | 96 | 128 |
|---|---|---|
| TMUs | 24 | 64 |
| ROPs | 20 | 16 |
| SM count | 12 | 16 |
| Cache L2 | 80 KB | 64 KB |
Performance
| Pixel rate | 10.26 GPixel/s | 9.360 GPixel/s |
|---|---|---|
| Texture rate | 24.62 GTexel/s | 37.44 GTexel/s |
| FP32 (float) performance | 228.1 GFLOPS | 374.5 GFLOPS |
Dimensions & Outputs
| Slot width | Dual-slot | — |
|---|---|---|
| Length | 267 mm 10.5 inches | — |
| TDP | 143 W | 75 W |
| Suggested PSU | 300 W | — |
| Outputs | 2x DVI1x S-Video | No outputs |
| Power connectors | 1x 6-pin | — |
| Board number | P356 | — |
API Support & Features
| DirectX | 11.1 (10_0) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 3.3 | 3.3 |
| OpenCL | 1.1 (1.0) | 1.1 |
| Vulkan | — | — |
| CUDA | 1.0 | 1.1 |
| Shader model | 4.0 | 4.0 |
Other Features
Mobile graphics
| Release date | — | Mar 3rd, 2009 |
|---|---|---|
| Generation | — | GeForce 200M |
| Production | — | End-of-life |
| Interface | — | MXM-IV |
| Reviews | — | 1 in our database |
| Predecessor | — | GeForce 100M |
| Successor | — | GeForce 300M |
