GPU model | Mars | M88 |
---|---|---|
GPU variant | Mars LE | — |
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 | Jun 4th, 2008 |
---|---|---|
Generation | Solar System (HD 8700M) | M8x (Mobility HD 3800) |
Production | End-of-life | End-of-life |
Interface | PCIe 3.0 x8 | PCIe 2.0 x16 |
Predecessor | London | M7x |
Successor | Crystal System | M9x |
Reviews | — | 2 in our database |
Base clock | 650 MHz | — |
---|---|---|
Boost clock | 700 MHz | — |
Memory clock | 900 MHz 1800 Mbps effective | 750 MHz 1500 Mbps effective |
GPU clock | — | 580 MHz |
Memory size | 2 GB | 512 MB |
---|---|---|
Memory type | DDR3 | GDDR3 |
Memory bus width | 128 bit | 256 bit |
Bandwidth | 28.80 GB/s | 48.00 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 | 9.280 GPixel/s |
---|---|---|
Texture rate | 16.80 GTexel/s | 9.280 GTexel/s |
FP32 (float) performance | 537.6 GFLOPS | 371.2 GFLOPS |
FP64 (double) performance | 33.60 GFLOPS (1:16) | 74.24 GFLOPS (1:5) |
TDP | unknown | 35 W |
---|---|---|
Outputs | No outputs | No outputs |
DirectX | 12 (11_1) | 10.1 (10_1) |
---|---|---|
OpenGL | 4.6 | 3.3 |
OpenCL | 1.2 | — |
Vulkan | 1.2 | — |
Shader model | 5.1 | 4.1 |