GPU model | RS880 | RV670 |
---|---|---|
GPU variant | RS880M | RV670 XT (215-0708005) |
Architecture | TeraScale | TeraScale |
Manufacturing process | 55 nm | 55 nm |
Number of transistors | 181 million | 666 million |
Die size | 67 mm² | 192 mm² |
Foundry | — | TSMC |
Release date | Sep 10th, 2009 | — |
---|---|---|
Generation | Radeon IGP (Mobility HD 4000) | — |
Production | End-of-life | — |
Interface | PCIe 1.0 x16 | — |
Successor | Palm | — |
GPU clock | 500 MHz | 777 MHz |
---|---|---|
Memory clock | System Shared | 1126 MHz 2.3 Gbps effective |
Memory size | System Shared | 512 MB |
---|---|---|
Memory type | System Shared | GDDR4 |
Memory bus width | System Shared | 256 bit |
Bandwidth | System Dependent | 72.06 GB/s |
Shading units | 40 | 320 |
---|---|---|
TMUs | 4 | 16 |
ROPs | 4 | 16 |
Compute units | 2 | 4 |
Cache L2 | — | 256 KB |
Pixel rate | 2.000 GPixel/s | 12.43 GPixel/s |
---|---|---|
Texture rate | 2.000 GTexel/s | 12.43 GTexel/s |
FP32 (float) performance | 40.00 GFLOPS | 497.3 GFLOPS |
FP64 (double) performance | — | 99.46 GFLOPS (1:5) |
Slot width | IGP | Dual-slot |
---|---|---|
TDP | unknown | 106 W |
Outputs | No outputs | 2x DVI1x S-Video |
Power connectors | None | 1x 6-pin |
Length | — | 241 mm 9.5 inches |
Suggested PSU | — | 300 W |
Board number | — | B339 |
DirectX | 10.1 (10_1) | 10.1 (10_1) |
---|---|---|
OpenGL | 3.3 | 3.3 (full) 4.0 (partial) |
OpenCL | 1.0 | — |
Vulkan | — | — |
Shader model | 4.1 | 4.1 |
Release date | — | Nov 19th, 2007 |
---|---|---|
Generation | — | Radeon R600 |
Production | — | End-of-life |
Launch price | — | 269 USD |
Interface | — | PCIe 2.0 x16 |
Reviews | — | 80 in our database |
Predecessor | — | Radeon R500 PCIe |
Successor | — | Radeon R700 |