NVIDIA GeForce 8400 GS PCI vs NVIDIA GeForce 8500 GT
Graphics Processor
| GPU model | G98 | G86 |
|---|---|---|
| Architecture | Tesla | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 65 nm | 80 nm |
| Number of transistors | 210 million | 210 million |
| Die size | 86 mm² | 127 mm² |
| GPU variant | — | G86-300-A2 |
Graphics Card
| Release date | Dec 4th, 2007 | Apr 17th, 2007 |
|---|---|---|
| Generation | GeForce 8 | GeForce 8 |
| Production | End-of-life | End-of-life |
| Interface | PCI | PCIe 1.0 x16 |
| Reviews | 10 in our database | 33 in our database |
| Predecessor | GeForce 7 PCIe | GeForce 7 PCIe |
| Successor | GeForce 9 | GeForce 9 |
| Launch price | — | 129 USD |
Clocks
| GPU clock | 567 MHz | 459 MHz |
|---|---|---|
| Shader clock | 1400 MHz | 918 MHz |
| Memory clock | 333 MHz 666 Mbps effective | 400 MHz 800 Mbps effective |
Memory Configuration
| Memory size | 512 MB | 256 MB |
|---|---|---|
| Memory type | DDR2 | GDDR3 |
| Memory bus width | 64 bit | 128 bit |
| Bandwidth | 5.328 GB/s | 12.80 GB/s |
Render Configuration
| Shading units | 8 | 16 |
|---|---|---|
| TMUs | 4 | 8 |
| ROPs | 4 | 4 |
| SM count | 1 | 2 |
| Cache L2 | 16 KB | 32 KB |
Performance
| Pixel rate | 2.268 GPixel/s | 1.836 GPixel/s |
|---|---|---|
| Texture rate | 2.268 GTexel/s | 3.672 GTexel/s |
| FP32 (float) performance | 22.40 GFLOPS | 29.38 GFLOPS |
Dimensions & Outputs
| Slot width | Single-slot | Single-slot |
|---|---|---|
| Length | 170 mm 6.7 inches | 229 mm 9 inches |
| TDP | 25 W | 30 W |
| Suggested PSU | 200 W | 200 W |
| Outputs | 1x DVI1x VGA1x S-Video | 1x DVI1x VGA1x S-Video |
| Power connectors | None | None |
| Board number | P561 | P403 |
API Support & Features
| DirectX | 11.1 (10_0) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 3.3 | 3.3 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | — | — |
| CUDA | 1.1 | 1.1 |
| Shader model | 4.0 | 4.0 |
