GPU model | M28 | R420 |
---|---|---|
Architecture | R400 | R400 |
Foundry | TSMC | TSMC |
Manufacturing process | 130 nm | 130 nm |
Number of transistors | 160 million | 160 million |
Die size | 289 mm² | 281 mm² |
GPU variant | — | R420 XT |
Release date | Nov 1st, 2004 | — |
---|---|---|
Generation | M2x (Mobility X1) | — |
Production | End-of-life | — |
Interface | PCIe 1.0 x16 | — |
Reviews | 2 in our database | — |
Predecessor | M1x | — |
Successor | M5x | — |
GPU clock | 400 MHz | 520 MHz |
---|---|---|
Memory clock | 400 MHz 800 Mbps effective | 560 MHz 1120 Mbps effective |
Memory size | 256 MB | 256 MB |
---|---|---|
Memory type | GDDR3 | GDDR3 |
Memory bus width | 256 bit | 256 bit |
Bandwidth | 25.60 GB/s | 35.84 GB/s |
Pixel shaders | 12 | 16 |
---|---|---|
Vertex shaders | 6 | 6 |
TMUs | 12 | 16 |
ROPs | 12 | 16 |
Pixel rate | 4.800 GPixel/s | 8.320 GPixel/s |
---|---|---|
Vertex rate | 600.0 MVertices/s | 780.0 MVertices/s |
Texture rate | 4.800 GTexel/s | 8.320 GTexel/s |
TDP | unknown | 63 W |
---|---|---|
Outputs | No outputs | 1x DVI1x VGA1x S-Video |
Slot width | — | Single-slot |
Suggested PSU | — | 250 W |
Power connectors | — | 1x Molex |
Board number | — | A261 |
DirectX | 9.0b (9_2) | 9.0b (9_2) |
---|---|---|
OpenGL | 2.1 | 2.1 |
OpenCL | — | — |
Vulkan | — | — |
Pixel shader | 2.0b | 2.0b |
Vertex shader | 2.0b | 2.0b |
Release date | — | May 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 |