GPU model | Mars | RV670 |
---|---|---|
GPU variant | Mars LE | RV670 XT (215-0708005) |
Architecture | GCN 1.0 | TeraScale |
Foundry | TSMC | TSMC |
Manufacturing process | 28 nm | 55 nm |
Number of transistors | 950 million | 666 million |
Die size | 77 mm² | 192 mm² |
Release date | Apr 1st, 2013 | — |
---|---|---|
Generation | Solar System (HD 8700M) | — |
Production | End-of-life | — |
Interface | PCIe 3.0 x8 | — |
Predecessor | London | — |
Successor | Crystal System | — |
Base clock | 650 MHz | — |
---|---|---|
Boost clock | 700 MHz | — |
Memory clock | 900 MHz 1800 Mbps effective | 1126 MHz 2.3 Gbps effective |
GPU clock | — | 777 MHz |
Memory size | 2 GB | 512 MB |
---|---|---|
Memory type | DDR3 | GDDR4 |
Memory bus width | 128 bit | 256 bit |
Bandwidth | 28.80 GB/s | 72.06 GB/s |
Shading units | 384 | 320 |
---|---|---|
TMUs | 24 | 16 |
ROPs | 8 | 16 |
Compute units | 6 | 4 |
Cache L1 | 16 KB (per CU) | — |
Cache L2 | 256 KB | 256 KB |
Pixel rate | 5.600 GPixel/s | 12.43 GPixel/s |
---|---|---|
Texture rate | 16.80 GTexel/s | 12.43 GTexel/s |
FP32 (float) performance | 537.6 GFLOPS | 497.3 GFLOPS |
FP64 (double) performance | 33.60 GFLOPS (1:16) | 99.46 GFLOPS (1:5) |
TDP | unknown | 106 W |
---|---|---|
Outputs | No outputs | 2x DVI1x S-Video |
Slot width | — | Dual-slot |
Length | — | 241 mm 9.5 inches |
Suggested PSU | — | 300 W |
Power connectors | — | 1x 6-pin |
Board number | — | B339 |
DirectX | 12 (11_1) | 10.1 (10_1) |
---|---|---|
OpenGL | 4.6 | 3.3 (full) 4.0 (partial) |
OpenCL | 1.2 | — |
Vulkan | 1.2 | — |
Shader model | 5.1 | 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 |