GPU model | Seymour | Cedar |
---|---|---|
GPU variant | Seymour XT (216-0810084) | Cedar PRO |
Architecture | TeraScale 2 | TeraScale 2 |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 40 nm |
Number of transistors | 370 million | 292 million |
Die size | 67 mm² | 59 mm² |
Release date | Jan 4th, 2011 | — |
---|---|---|
Generation | Vancouver (HD 6400M) | — |
Production | End-of-life | — |
Interface | PCIe 2.0 x16 | — |
Predecessor | Manhattan | — |
Successor | London | — |
GPU clock | 700 MHz | 650 MHz |
---|---|---|
Memory clock | 800 MHz 1600 Mbps effective | 400 MHz 800 Mbps effective |
Memory size | 512 MB | 512 MB |
---|---|---|
Memory type | DDR3 | GDDR3 |
Memory bus width | 64 bit | 64 bit |
Bandwidth | 12.80 GB/s | 6.400 GB/s |
Shading units | 160 | 80 |
---|---|---|
TMUs | 8 | 8 |
ROPs | 4 | 4 |
Compute units | 2 | 2 |
Cache L1 | 8 KB (per CU) | 8 KB (per CU) |
Cache L2 | 128 KB | 128 KB |
Pixel rate | 2.800 GPixel/s | 2.600 GPixel/s |
---|---|---|
Texture rate | 5.600 GTexel/s | 5.200 GTexel/s |
FP32 (float) performance | 224.0 GFLOPS | 104.0 GFLOPS |
TDP | 25 W | 19 W |
---|---|---|
Outputs | No outputs | 1x DVI1x HDMI1x VGA |
Slot width | — | Single-slot |
Length | — | 170 mm 6.7 inches |
Suggested PSU | — | 200 W |
Power connectors | — | None |
DirectX | 11.2 (11_0) | 11.2 (11_0) |
---|---|---|
OpenGL | 4.4 | 4.4 |
OpenCL | 1.2 | 1.2 |
Vulkan | — | — |
Shader model | 5.0 | 5.0 |
Release date | — | Feb 13th, 2012 |
---|---|---|
Generation | — | Evergreen |
Production | — | End-of-life |
Interface | — | PCIe 2.0 x16 |
Predecessor | — | Radeon R700 |
Successor | — | Northern Islands |