GPU model | Thames | M88 |
---|---|---|
GPU variant | Thames PRO | — |
Architecture | TeraScale 2 | TeraScale |
Foundry | TSMC | TSMC |
Manufacturing process | 40 nm | 55 nm |
Number of transistors | 716 million | 666 million |
Die size | 104 mm² | 192 mm² |
Release date | Jan 7th, 2012 | Jun 4th, 2008 |
---|---|---|
Generation | London (HD 7500M) | M8x (Mobility HD 3800) |
Production | End-of-life | End-of-life |
Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
Predecessor | Vancouver | M7x |
Successor | Solar System | M9x |
Reviews | — | 2 in our database |
GPU clock | 500 MHz | 580 MHz |
---|---|---|
Memory clock | 800 MHz 3.2 Gbps effective | 750 MHz 1500 Mbps effective |
Memory size | 1024 MB | 512 MB |
---|---|---|
Memory type | GDDR5 | GDDR3 |
Memory bus width | 64 bit | 256 bit |
Bandwidth | 25.60 GB/s | 48.00 GB/s |
Shading units | 480 | 320 |
---|---|---|
TMUs | 24 | 16 |
ROPs | 16 | 16 |
Compute units | 6 | 4 |
Cache L2 | — | 256 KB |
Pixel rate | 8.000 GPixel/s | 9.280 GPixel/s |
---|---|---|
Texture rate | 12.00 GTexel/s | 9.280 GTexel/s |
FP32 (float) performance | 480.0 GFLOPS | 371.2 GFLOPS |
FP64 (double) performance | — | 74.24 GFLOPS (1:5) |
TDP | 13 W | 35 W |
---|---|---|
Outputs | No outputs | No outputs |
DirectX | 11.2 (11_0) | 10.1 (10_1) |
---|---|---|
OpenGL | 4.4 | 3.3 |
OpenCL | 1.2 | — |
Vulkan | — | — |
Shader model | 5.0 | 4.1 |