GPU model | RV670 | Exo |
---|---|---|
Architecture | TeraScale | GCN 1.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 55 nm | 28 nm |
Number of transistors | 666 million | 690 million |
Die size | 192 mm² | 56 mm² |
GPU variant | — | Exo PRO |
Release date | Nov 8th, 2007 | — |
---|---|---|
Generation | FireStream | — |
Production | End-of-life | — |
Interface | PCIe 2.0 x16 | — |
GPU clock | 800 MHz | 1030 MHz |
---|---|---|
Memory clock | 800 MHz 1600 Mbps effective | 900 MHz 1800 Mbps effective |
Memory size | 2 GB | 4 GB |
---|---|---|
Memory type | GDDR3 | DDR3 |
Memory bus width | 256 bit | 64 bit |
Bandwidth | 51.20 GB/s | 14.40 GB/s |
Shading units | 320 | 320 |
---|---|---|
TMUs | 16 | 20 |
ROPs | 16 | 8 |
Compute units | 4 | 5 |
Cache L2 | 256 KB | 128 KB |
Cache L1 | — | 16 KB (per CU) |
Pixel rate | 12.80 GPixel/s | 8.240 GPixel/s |
---|---|---|
Texture rate | 12.80 GTexel/s | 20.60 GTexel/s |
FP32 (float) performance | 512.0 GFLOPS | 659.2 GFLOPS |
FP64 (double) performance | 102.4 GFLOPS (1:5) | 41.20 GFLOPS (1:16) |
Slot width | Dual-slot | IGP |
---|---|---|
Length | 241 mm 9.5 inches | — |
Width | 111 mm 4.4 inches | — |
TDP | 105 W | unknown |
Suggested PSU | 300 W | — |
Outputs | 2x DVI1x S-Video | No outputs |
Power connectors | 1x 6-pin | — |
DirectX | 10.1 (10_1) | 12 (11_1) |
---|---|---|
OpenGL | 3.3 (full) 4.0 (partial) | 4.6 |
OpenCL | — | 1.2 |
Vulkan | — | 1.2 |
Shader model | 4.1 | 5.0 |
Release date | — | May 15th, 2016 |
---|---|---|
Generation | — | Crystal System (R5 M400) |
Production | — | End-of-life |
Interface | — | PCIe 3.0 x8 |
Predecessor | — | Solar System |
Successor | — | Mobility Radeon |