GPU model | Cedar | G71 |
---|---|---|
GPU variant | Cedar PRO | — |
Architecture | TeraScale 2 | Curie |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 90 nm |
Number of transistors | 292 million | 278 million |
Die size | 59 mm² | 196 mm² |
Release date | Feb 13th, 2012 | — |
---|---|---|
Generation | Evergreen | — |
Production | End-of-life | — |
Interface | PCIe 2.0 x16 | — |
Predecessor | Radeon R700 | — |
Successor | Northern Islands | — |
GPU clock | 650 MHz | 450 MHz |
---|---|---|
Memory clock | 400 MHz 800 Mbps effective | 600 MHz 1200 Mbps effective |
Memory size | 512 MB | 256 MB |
---|---|---|
Memory type | GDDR3 | GDDR3 |
Memory bus width | 64 bit | 128 bit |
Bandwidth | 6.400 GB/s | 19.20 GB/s |
Shading units | 80 | — |
---|---|---|
TMUs | 8 | 24 |
ROPs | 4 | 16 |
Compute units | 2 | — |
Cache L1 | 8 KB (per CU) | — |
Cache L2 | 128 KB | — |
Pixel shaders | — | 24 |
Vertex shaders | — | 8 |
Pixel rate | 2.600 GPixel/s | 7.200 GPixel/s |
---|---|---|
Texture rate | 5.200 GTexel/s | 10.80 GTexel/s |
FP32 (float) performance | 104.0 GFLOPS | — |
Vertex rate | — | 900.0 MVertices/s |
Slot width | Single-slot | — |
---|---|---|
Length | 170 mm 6.7 inches | — |
TDP | 19 W | 35 W |
Suggested PSU | 200 W | — |
Outputs | 1x DVI1x HDMI1x VGA | No outputs |
Power connectors | None | — |
DirectX | 11.2 (11_0) | 9.0c (9_3) |
---|---|---|
OpenGL | 4.4 | 2.1 |
OpenCL | 1.2 | — |
Vulkan | — | — |
Shader model | 5.0 | 3.0 |
Release date | — | Aug 21st, 2006 |
---|---|---|
Generation | — | NVS Mobile |
Production | — | End-of-life |
Interface | — | PCIe 1.0 x16 |
Reviews | — | 26 in our database |