GPU model | Cedar | M82 |
---|---|---|
GPU variant | Cedar PRO | — |
Architecture | TeraScale 2 | TeraScale |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 55 nm |
Number of transistors | 292 million | 181 million |
Die size | 59 mm² | 67 mm² |
Release date | Jan 31st, 2011 | — |
---|---|---|
Generation | Northern Islands | — |
Predecessor | Evergreen | — |
Successor | Southern Islands | — |
Production | End-of-life | — |
Interface | PCIe 2.0 x16 | — |
GPU clock | 650 MHz | 680 MHz |
---|---|---|
Memory clock | 500 MHz 1000 Mbps effective | 400 MHz 800 Mbps effective |
Memory size | 512 MB | 256 MB |
---|---|---|
Memory type | GDDR3 | DDR2 |
Memory bus width | 64 bit | 64 bit |
Bandwidth | 8.000 GB/s | 6.400 GB/s |
Shading units | 80 | 40 |
---|---|---|
TMUs | 8 | 4 |
ROPs | 4 | 4 |
Compute units | 2 | 2 |
Cache L1 | 8 KB (per CU) | — |
Cache L2 | 128 KB | 64 KB |
Pixel rate | 2.600 GPixel/s | 2.720 GPixel/s |
---|---|---|
Texture rate | 5.200 GTexel/s | 2.720 GTexel/s |
FP32 (float) performance | 104.0 GFLOPS | 54.40 GFLOPS |
Slot width | Single-slot | MXM Module |
---|---|---|
Length | 168 mm 6.6 inches | — |
TDP | 19 W | unknown |
Suggested PSU | 200 W | — |
Outputs | 1x DVI1x HDMI | No outputs |
Power connectors | None | — |
Board number | C026, C027 | — |
DirectX | 11.2 (11_0) | 10.1 |
---|---|---|
OpenGL | 4.4 | 3.3 |
OpenCL | 1.2 | — |
Vulkan | — | — |
Shader model | 5.0 | 4.1 |
Release date | — | Jan 7th, 2008 |
---|---|---|
Generation | — | M8x (Mobility HD 3400) |
Production | — | End-of-life |
Interface | — | MXM-II |
Reviews | — | 2 in our database |
Predecessor | — | M7x |
Successor | — | M9x |