GPU model | R420 | RS780 |
---|---|---|
GPU variant | R420 AIW | RS780L |
Architecture | R400 | TeraScale |
Foundry | TSMC | — |
Manufacturing process | 130 nm | 65 nm |
Number of transistors | 160 million | 180 million |
Die size | 281 mm² | 85 mm² |
Release date | Apr 27th, 2005 | — |
---|---|---|
Generation | All-In-Wonder | — |
Production | End-of-life | — |
Interface | AGP 8x | — |
Reviews | 226 in our database | — |
GPU clock | 425 MHz | 350 MHz |
---|---|---|
Memory clock | 400 MHz 800 Mbps effective | System Shared |
Memory size | 256 MB | System Shared |
---|---|---|
Memory type | GDDR3 | System Shared |
Memory bus width | 256 bit | System Shared |
Bandwidth | 25.60 GB/s | System Dependent |
Pixel shaders | 8 | — |
---|---|---|
Vertex shaders | 6 | — |
TMUs | 8 | 4 |
ROPs | 8 | 4 |
Shading units | — | 40 |
Compute units | — | 2 |
Pixel rate | 3.400 GPixel/s | 1.400 GPixel/s |
---|---|---|
Vertex rate | 637.5 MVertices/s | — |
Texture rate | 3.400 GTexel/s | 1.400 GTexel/s |
FP32 (float) performance | — | 28.00 GFLOPS |
Slot width | Single-slot | IGP |
---|---|---|
TDP | unknown | unknown |
Suggested PSU | 200 W | — |
Outputs | 1x DVI | No outputs |
Power connectors | None | — |
Board number | A383-04 | — |
Part number | 100-714500 | — |
DirectX | 9.0b (9_2) | 10.0 (10_0) |
---|---|---|
OpenGL | 2.1 | 3.3 |
OpenCL | — | 1.0 |
Vulkan | — | — |
Pixel shader | 2.0b | — |
Vertex shader | 2.0b | — |
Shader model | — | 4.1 |
Release date | — | 2009 |
---|---|---|
Generation | — | Radeon IGP (3000) |
Production | — | End-of-life |
Interface | — | PCIe 1.0 x16 |