ATI Radeon X800 VE AGP vs NVIDIA GeForce 8400M GT
Graphics Processor
| GPU model | R420 | G86 |
|---|---|---|
| GPU variant | R420 VE | G86-603-A2 |
| Architecture | R400 | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 130 nm | 80 nm |
| Number of transistors | 160 million | 210 million |
| Die size | 281 mm² | 127 mm² |
Graphics Card
| Release date | Sep 1st, 2004 | — |
|---|---|---|
| Generation | Radeon R400 AGP | — |
| Production | End-of-life | — |
| Interface | AGP 8x | — |
| Reviews | 226 in our database | — |
| Predecessor | Radeon R300 | — |
| Successor | Radeon R500 AGP | — |
Clocks
| GPU clock | 425 MHz | 450 MHz |
|---|---|---|
| Memory clock | 398 MHz 796 Mbps effective | 600 MHz 1200 Mbps effective |
| Shader clock | — | 900 MHz |
Memory Configuration
| Memory size | 256 MB | 512 MB |
|---|---|---|
| Memory type | GDDR3 | GDDR3 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 25.47 GB/s | 19.20 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 | 6.800 GPixel/s | 1.800 GPixel/s |
|---|---|---|
| Vertex rate | 637.5 MVertices/s | — |
| Texture rate | 6.800 GTexel/s | 3.600 GTexel/s |
| FP32 (float) performance | — | 28.80 GFLOPS |
Dimensions & Outputs
| Slot width | Single-slot | — |
|---|---|---|
| TDP | unknown | 14 W |
| Suggested PSU | 200 W | — |
| Outputs | 1x DVI1x VGA1x S-Video | No outputs |
| Power connectors | 1x Molex | — |
API Support & Features
| DirectX | 9.0b (9_2) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 2.1 | 3.3 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Pixel shader | 2.0b | — |
| Vertex shader | 2.0b | — |
| CUDA | — | 1.1 |
| Shader model | — | 4.0 |
Other Features
Mobile graphics
| Release date | — | May 9th, 2007 |
|---|---|---|
| Generation | — | GeForce 8M (8000M) |
| Production | — | End-of-life |
| Interface | — | PCIe 1.0 x16 |
| Predecessor | — | GeForce Go 7 |
| Successor | — | GeForce 9M |
