GPU model | Wimbledon | GM204 |
---|---|---|
GPU variant | Wimbledon XT (216-0836036) | N16E-GX-A1 |
Architecture | GCN 1.0 | Maxwell 2.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 28 nm | 28 nm |
Number of transistors | 2,800 million | 5,200 million |
Die size | 212 mm² | 398 mm² |
Release date | Apr 24th, 2012 | Oct 7th, 2014 |
---|---|---|
Generation | London (HD 7900M) | GeForce 900M |
Production | End-of-life | End-of-life |
Interface | MXM-B (3.0) | MXM-B (3.0) |
Predecessor | Vancouver | GeForce 800M |
Successor | Solar System | GeForce 10 Mobile |
GPU clock | 850 MHz | 540 MHz |
---|---|---|
Memory clock | 1200 MHz 4.8 Gbps effective | 1253 MHz 5 Gbps effective |
Memory size | 2 GB | 8 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 256 bit | 256 bit |
Bandwidth | 153.6 GB/s | 160.4 GB/s |
Shading units | 1280 | 1536 |
---|---|---|
TMUs | 80 | 96 |
ROPs | 32 | 64 |
Compute units | 20 | — |
Cache L1 | 16 KB (per CU) | 48 KB (per SMM) |
Cache L2 | 512 KB | 2 MB |
SMM count | — | 12 |
Pixel rate | 27.20 GPixel/s | 34.56 GPixel/s |
---|---|---|
Texture rate | 68.00 GTexel/s | 51.84 GTexel/s |
FP32 (float) performance | 2.176 TFLOPS | 1.659 TFLOPS |
FP64 (double) performance | 136.0 GFLOPS (1:16) | 51.84 GFLOPS (1:32) |
Slot width | MXM Module | MXM Module |
---|---|---|
TDP | 100 W | unknown |
Outputs | No outputs | No outputs |
Power connectors | None | None |
Board number | C429 | P2754 SKU 3 |
DirectX | 12 (11_1) | 12 (12_1) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 1.2 | 3.0 |
Vulkan | 1.2 | 1.1 |
Shader model | 5.1 | 6.4 |
CUDA | — | 5.2 |