GPU model | Cedar | Mach64 LT |
---|---|---|
GPU variant | Cedar LE | 215LT3UA31 |
Architecture | TeraScale 2 | Mach |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 500 nm |
Number of transistors | 292 million | 1 million |
Die size | 59 mm² | 90 mm² |
Release date | Dec 4th, 2011 | — |
---|---|---|
Generation | Northern Islands | — |
Predecessor | Evergreen | — |
Successor | Southern Islands | — |
Production | End-of-life | — |
Interface | PCIe 2.0 x16 | — |
GPU clock | 650 MHz | 75 MHz |
---|---|---|
Memory clock | 800 MHz 1600 Mbps effective | 100 MHz |
Memory size | 1024 MB | 8 MB |
---|---|---|
Memory type | GDDR3 | SDR |
Memory bus width | 64 bit | 64 bit |
Bandwidth | 12.80 GB/s | 800.0 MB/s |
Shading units | 80 | — |
---|---|---|
TMUs | 8 | 1 |
ROPs | 4 | 1 |
Compute units | 2 | — |
Cache L1 | 8 KB (per CU) | — |
Cache L2 | 128 KB | — |
Pixel shaders | — | 1 |
Vertex shaders | — | 0 |
Pixel rate | 2.600 GPixel/s | 75.00 MPixel/s |
---|---|---|
Texture rate | 5.200 GTexel/s | 75.00 MTexel/s |
FP32 (float) performance | 104.0 GFLOPS | — |
Slot width | Single-slot | IGP |
---|---|---|
Length | 168 mm 6.6 inches | — |
TDP | 19 W | unknown |
Suggested PSU | 200 W | — |
Outputs | 1x DVI1x HDMI | No outputs |
Power connectors | None | — |
DirectX | 11.2 (11_0) | 5.0 |
---|---|---|
OpenGL | 4.4 | — |
OpenCL | 1.2 | — |
Vulkan | — | — |
Shader model | 5.0 | — |
Pixel shader | — | — |
Vertex shader | — | — |
Release date | — | Nov 1st, 1997 |
---|---|---|
Generation | — | Rage Mobility |
Production | — | End-of-life |
Interface | — | AGP 2x |
Reviews | — | 2 in our database |