NVIDIA GeForce 8400 GS PCI Rev. 2 vs NVIDIA GeForce Go 7700
Graphics Processor
| GPU model | GT218 | G73 |
|---|---|---|
| Architecture | Tesla 2.0 | Curie |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 90 nm |
| Number of transistors | 260 million | 177 million |
| Die size | 57 mm² | 125 mm² |
| GPU variant | — | GF-GO7700-N-B1 |
Graphics Card
| Release date | Apr 17th, 2007 | — |
|---|---|---|
| Generation | GeForce 8 | — |
| Production | End-of-life | — |
| Interface | PCI | — |
| Reviews | 10 in our database | — |
| Predecessor | GeForce 7 PCIe | — |
| Successor | GeForce 9 | — |
Clocks
| GPU clock | 520 MHz | 450 MHz |
|---|---|---|
| Shader clock | 1230 MHz | — |
| Memory clock | 500 MHz 1000 Mbps effective | 500 MHz 1000 Mbps effective |
Memory Configuration
| Memory size | 512 MB | 512 MB |
|---|---|---|
| Memory type | DDR3 | GDDR3 |
| Memory bus width | 64 bit | 128 bit |
| Bandwidth | 8.000 GB/s | 16.00 GB/s |
Render Configuration
| Shading units | 16 | — |
|---|---|---|
| TMUs | 8 | 12 |
| ROPs | 4 | 8 |
| SM count | 2 | — |
| Cache L2 | 32 KB | — |
| Pixel shaders | — | 12 |
| Vertex shaders | — | 5 |
Performance
| Pixel rate | 2.080 GPixel/s | 3.600 GPixel/s |
|---|---|---|
| Texture rate | 4.160 GTexel/s | 5.400 GTexel/s |
| FP32 (float) performance | 39.36 GFLOPS | — |
| Vertex rate | — | 562.5 MVertices/s |
Dimensions & Outputs
| Slot width | Single-slot | — |
|---|---|---|
| TDP | 40 W | unknown |
| Suggested PSU | 200 W | — |
| Outputs | 1x DVI1x HDMI1x VGA | No outputs |
| Power connectors | None | — |
| Board number | P873 | — |
API Support & Features
| DirectX | 11.1 (10_1) | 9.0c (9_3) |
|---|---|---|
| OpenGL | 3.3 | 2.1 |
| OpenCL | 1.1 | — |
| Vulkan | — | — |
| CUDA | 1.2 | — |
| Shader model | 4.1 | 3.0 |
Other Features
Mobile graphics
| Release date | — | Aug 1st, 2006 |
|---|---|---|
| Generation | — | GeForce Go 7 (Go 7000) |
| Production | — | End-of-life |
| Interface | — | PCIe 1.0 x16 |
| Predecessor | — | GeForce Go 6 |
| Successor | — | GeForce 8M |
