GPU model | Neptune | GP104 |
---|---|---|
GPU variant | Neptune XT (216-0847000) | N17E-G3-A1 |
Architecture | GCN 1.0 | Pascal |
Foundry | TSMC | TSMC |
Manufacturing process | 28 nm | 16 nm |
Number of transistors | 2,800 million | 7,200 million |
Die size | 212 mm² | 314 mm² |
Release date | May 14th, 2013 | Jun 27th, 2017 |
---|---|---|
Generation | Solar System (HD 8900M) | GeForce 10 Mobile |
Production | End-of-life | Active |
Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
Predecessor | London | — |
Successor | Crystal System | — |
Reviews | — | 183 in our database |
Base clock | 850 MHz | 1290 MHz |
---|---|---|
Boost clock | 900 MHz | 1468 MHz |
Memory clock | 1200 MHz 4.8 Gbps effective | 1251 MHz 10008 MHz effective |
Memory size | 4 GB | 8 GB |
---|---|---|
Memory type | GDDR5 | GDDR5X |
Memory bus width | 256 bit | 256 bit |
Bandwidth | 153.6 GB/s | 320.3 GB/s |
Shading units | 1280 | 2560 |
---|---|---|
TMUs | 80 | 160 |
ROPs | 32 | 64 |
Compute units | 20 | — |
Cache L1 | 16 KB (per CU) | 48 KB (per SM) |
Cache L2 | 512 KB | 2 MB |
SM count | — | 20 |
Pixel rate | 28.80 GPixel/s | 93.95 GPixel/s |
---|---|---|
Texture rate | 72.00 GTexel/s | 234.9 GTexel/s |
FP32 (float) performance | 2.304 TFLOPS | 7.516 TFLOPS |
FP64 (double) performance | 144.0 GFLOPS (1:16) | 234.9 GFLOPS (1:32) |
FP16 (half) performance | — | 117.4 GFLOPS (1:64) |
Slot width | MXM Module | MXM Module |
---|---|---|
TDP | 100 W | 150 W |
Outputs | No outputs | No outputs |
Power connectors | — | None |
Board number | — | E2915 SKU 10 |
DirectX | 12 (11_1) | 12 (12_1) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 1.2 | 1.2 |
Vulkan | 1.2 | 1.2.131 |
Shader model | 5.1 | 6.4 |
CUDA | — | 6.1 |