NVIDIA GeForce 6800 GT Dual vs NVIDIA GeForce 9400 GT Rev. 2
Graphics Processor
| GPU model | NV45 | G96C |
|---|---|---|
| Architecture | Curie | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 130 nm | 55 nm |
| Number of transistors | 222 million | 314 million |
| Die size | 287 mm² | 121 mm² |
Graphics Card
| Release date | Jun 8th, 2004 | Aug 27th, 2008 |
|---|---|---|
| Generation | GeForce 6 PCIe | GeForce 9 |
| Production | End-of-life | End-of-life |
| Interface | PCIe 1.0 x16 | PCIe 2.0 x16 |
| Reviews | 115 in our database | 6 in our database |
| Predecessor | GeForce PCX | GeForce 8 |
| Successor | GeForce 7 PCIe | GeForce 200 |
Clocks
| GPU clock | 350 MHz | 550 MHz |
|---|---|---|
| Memory clock | 500 MHz 1000 Mbps effective | 400 MHz 800 Mbps effective |
| Shader clock | — | 1400 MHz |
Memory Configuration
| Memory size | 256 MB | 512 MB |
|---|---|---|
| Memory type | GDDR3 | GDDR3 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 32.00 GB/s | 12.80 GB/s |
Render Configuration
| Pixel shaders | 16 | — |
|---|---|---|
| Vertex shaders | 6 | — |
| TMUs | 16 | 8 |
| ROPs | 16 | 4 |
| Shading units | — | 16 |
| SM count | — | 2 |
| Cache L2 | — | 32 KB |
Performance
| Pixel rate | 5.600 GPixel/s | 2.200 GPixel/s |
|---|---|---|
| Vertex rate | 525.0 MVertices/s | — |
| Texture rate | 5.600 GTexel/s | 4.400 GTexel/s |
| FP32 (float) performance | — | 44.80 GFLOPS |
Dimensions & Outputs
| Slot width | Dual-slot | Single-slot |
|---|---|---|
| TDP | unknown | 50 W |
| Suggested PSU | 200 W | 250 W |
| Outputs | 2x DVI1x S-Video | 1x DVI1x VGA1x S-Video |
| Power connectors | 1x 6-pin | None |
| Length | — | 168 mm 6.6 inches |
| Board number | — | P729, P973 |
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 | — | 1.1 |
