GPU model | Tropo | GP108 |
---|---|---|
GPU variant | Tropo XT | — |
Architecture | GCN 1.0 | Pascal |
Foundry | TSMC | Samsung |
Manufacturing process | 28 nm | 14 nm |
Number of transistors | 1,500 million | 1,800 million |
Die size | 123 mm² | 74 mm² |
Release date | May 5th, 2015 | Jan 5th, 2018 |
---|---|---|
Generation | Crystal System (R7 M300) | Quadro Mobile (Px000) |
Production | End-of-life | End-of-life |
Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
Predecessor | Solar System | — |
Successor | Mobility Radeon | — |
Base clock | 900 MHz | 1455 MHz |
---|---|---|
Boost clock | 915 MHz | 1518 MHz |
Memory clock | 1000 MHz 2 Gbps effective | 1253 MHz 5 Gbps effective |
Memory size | 4 GB | 2 GB |
---|---|---|
Memory type | DDR3 | GDDR5 |
Memory bus width | 128 bit | 64 bit |
Bandwidth | 32.00 GB/s | 40.10 GB/s |
Shading units | 640 | 256 |
---|---|---|
TMUs | 40 | 16 |
ROPs | 16 | 16 |
Compute units | 10 | — |
Cache L1 | 16 KB (per CU) | 48 KB (per SM) |
Cache L2 | 256 KB | 512 KB |
SM count | — | 2 |
Pixel rate | 14.64 GPixel/s | 24.29 GPixel/s |
---|---|---|
Texture rate | 36.60 GTexel/s | 24.29 GTexel/s |
FP32 (float) performance | 1,171 GFLOPS | 777.2 GFLOPS |
FP64 (double) performance | 73.20 GFLOPS (1:16) | 24.29 GFLOPS (1:32) |
FP16 (half) performance | — | 12.14 GFLOPS (1:64) |
TDP | unknown | 18 W |
---|---|---|
Outputs | No outputs | No outputs |
Power connectors | — | None |
DirectX | 12 (11_1) | 12 (12_1) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 1.2 | 3.0 |
Vulkan | 1.2 | 1.2 |
Shader model | 5.1 | 6.4 |
CUDA | — | 6.1 |