GPU model | Polaris 21 | GM107 |
---|---|---|
GPU variant | Polaris 21 XT (215-0908004) | N16P-Q3-A2 |
Architecture | GCN 4.0 | Maxwell |
Foundry | GlobalFoundries | TSMC |
Manufacturing process | 14 nm | 28 nm |
Number of transistors | 3,000 million | 1,870 million |
Die size | 123 mm² | 148 mm² |
Release date | Apr 18th, 2017 | Dec 3rd, 2015 |
---|---|---|
Generation | Radeon Pro Mac (500 Series) | Quadro Mobile (Mx000M) |
Production | Active | End-of-life |
Interface | PCIe 3.0 x8 | MXM-A (3.0) |
Reviews | — | 26 in our database |
GPU clock | 907 MHz | — |
---|---|---|
Memory clock | 1270 MHz 5.1 Gbps effective | 1253 MHz 5 Gbps effective |
Base clock | — | 1029 MHz |
Boost clock | — | 1098 MHz |
Memory size | 4 GB | 4 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 128 bit | 128 bit |
Bandwidth | 81.28 GB/s | 80.19 GB/s |
Shading units | 1024 | 640 |
---|---|---|
TMUs | 64 | 40 |
ROPs | 16 | 16 |
Compute units | 16 | — |
Cache L1 | 16 KB (per CU) | 64 KB (per SMM) |
Cache L2 | 1024 KB | 2 MB |
SMM count | — | 5 |
Pixel rate | 14.51 GPixel/s | 17.57 GPixel/s |
---|---|---|
Texture rate | 58.05 GTexel/s | 43.92 GTexel/s |
FP16 (half) performance | 1.858 TFLOPS (1:1) | — |
FP32 (float) performance | 1.858 TFLOPS | 1,405 GFLOPS |
FP64 (double) performance | 116.1 GFLOPS (1:16) | 43.92 GFLOPS (1:32) |
Slot width | IGP | MXM Module |
---|---|---|
TDP | 75 W | 55 W |
Outputs | No outputs | No outputs |
Power connectors | None | None |
DirectX | 12 (12_0) | 12 (11_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 3.0 |
Vulkan | 1.2 | 1.1 |
Shader model | 6.4 | 5.1 |
CUDA | — | 5.0 |