GPU model | M88 | GK208B |
---|---|---|
Architecture | TeraScale | Kepler 2.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 55 nm | 28 nm |
Number of transistors | 666 million | 1,020 million |
Die size | 192 mm² | 87 mm² |
GPU variant | — | N16V-GL |
Release date | Jun 4th, 2008 | Mar 13th, 2015 |
---|---|---|
Generation | M8x (Mobility HD 3800) | GeForce 900M |
Production | End-of-life | Active |
Interface | PCIe 2.0 x16 | PCIe 3.0 x8 |
Reviews | 2 in our database | — |
Predecessor | M7x | GeForce 800M |
Successor | M9x | GeForce 10 Mobile |
GPU clock | 660 MHz | 641 MHz |
---|---|---|
Memory clock | 850 MHz 1700 Mbps effective | 1001 MHz 2 Gbps effective |
Memory size | 512 MB | 2 GB |
---|---|---|
Memory type | GDDR3 | DDR3 |
Memory bus width | 256 bit | 64 bit |
Bandwidth | 54.40 GB/s | 16.02 GB/s |
Shading units | 320 | 384 |
---|---|---|
TMUs | 16 | 32 |
ROPs | 16 | 8 |
Compute units | 4 | — |
Cache L2 | 256 KB | 512 KB |
SMX count | — | 2 |
Cache L1 | — | 16 KB (per SMX) |
Pixel rate | 10.56 GPixel/s | 5.128 GPixel/s |
---|---|---|
Texture rate | 10.56 GTexel/s | 20.51 GTexel/s |
FP32 (float) performance | 422.4 GFLOPS | 492.3 GFLOPS |
FP64 (double) performance | 84.48 GFLOPS (1:5) | 20.51 GFLOPS (1:24) |
TDP | 55 W | 33 W |
---|---|---|
Outputs | No outputs | No outputs |
Slot width | — | IGP |
Power connectors | — | None |
DirectX | 10.1 (10_1) | 12 (11_0) |
---|---|---|
OpenGL | 3.3 | 4.6 |
OpenCL | — | 3.0 |
Vulkan | — | 1.1 |
Shader model | 4.1 | 5.1 |
CUDA | — | 3.5 |