GPU model | M92 | R420 |
---|---|---|
Architecture | TeraScale | R400 |
Foundry | TSMC | TSMC |
Manufacturing process | 55 nm | 130 nm |
Number of transistors | 242 million | 160 million |
Die size | 73 mm² | 281 mm² |
GPU variant | — | R420 SE |
Release date | Jan 9th, 2009 | — |
---|---|---|
Generation | M9x (Mobility HD 4300) | — |
Production | End-of-life | — |
Interface | PCIe 2.0 x16 | — |
Reviews | 2 in our database | — |
Predecessor | M8x | — |
Successor | Manhattan | — |
GPU clock | 450 MHz | 450 MHz |
---|---|---|
Memory clock | 600 MHz 1200 Mbps effective | 400 MHz 800 Mbps effective |
Memory size | 512 MB | 256 MB |
---|---|---|
Memory type | GDDR3 | DDR |
Memory bus width | 64 bit | 256 bit |
Bandwidth | 9.600 GB/s | 25.60 GB/s |
Shading units | 80 | — |
---|---|---|
TMUs | 8 | 8 |
ROPs | 4 | 8 |
Compute units | 1 | — |
Cache L1 | 16 KB (per CU) | — |
Cache L2 | 64 KB | — |
Pixel shaders | — | 8 |
Vertex shaders | — | 6 |
Pixel rate | 1.800 GPixel/s | 3.600 GPixel/s |
---|---|---|
Texture rate | 3.600 GTexel/s | 3.600 GTexel/s |
FP32 (float) performance | 72.00 GFLOPS | — |
Vertex rate | — | 675.0 MVertices/s |
Slot width | MXM Module | Single-slot |
---|---|---|
TDP | unknown | unknown |
Outputs | No outputs | 1x DVI1x VGA1x S-Video |
Suggested PSU | — | 200 W |
Power connectors | — | 1x Molex |
DirectX | 10.1 (10_1) | 9.0b (9_2) |
---|---|---|
OpenGL | 3.3 | 2.1 |
OpenCL | 1.1 | — |
Vulkan | — | — |
Shader model | 4.1 | — |
Pixel shader | — | 2.0b |
Vertex shader | — | 2.0b |
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 |