GPU model | Polaris 20 | GM204 |
---|---|---|
GPU variant | Polaris 20 | GM204-850-A1 |
Architecture | GCN 4.0 | Maxwell 2.0 |
Foundry | GlobalFoundries | TSMC |
Manufacturing process | 14 nm | 28 nm |
Number of transistors | 5,700 million | 5,200 million |
Die size | 232 mm² | 398 mm² |
Release date | Jun 5th, 2017 | — |
---|---|---|
Generation | Radeon Pro Mac (500 Series) | — |
Production | Active | — |
Interface | PCIe 3.0 x16 | — |
Base clock | 1000 MHz | — |
---|---|---|
Boost clock | 1105 MHz | — |
Memory clock | 1695 MHz 6.8 Gbps effective | 1502 MHz 6 Gbps effective |
GPU clock | — | 773 MHz |
Memory size | 4 GB | 8 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 256 bit | 256 bit |
Bandwidth | 217.0 GB/s | 192.3 GB/s |
Shading units | 1792 | 1664 |
---|---|---|
TMUs | 112 | 104 |
ROPs | 32 | 64 |
Compute units | 28 | — |
Cache L1 | 16 KB (per CU) | 48 KB (per SMM) |
Cache L2 | 2 MB | 2 MB |
SMM count | — | 13 |
Pixel rate | 35.36 GPixel/s | 49.47 GPixel/s |
---|---|---|
Texture rate | 123.8 GTexel/s | 80.39 GTexel/s |
FP16 (half) performance | 3.960 TFLOPS (1:1) | — |
FP32 (float) performance | 3.960 TFLOPS | 2.573 TFLOPS |
FP64 (double) performance | 247.5 GFLOPS (1:16) | 80.39 GFLOPS (1:32) |
Slot width | IGP | Single-slot |
---|---|---|
TDP | 150 W | 120 W |
Outputs | No outputs | 4x DisplayPort |
Power connectors | None | 1x 6-pin |
Length | — | 241 mm 9.5 inches |
Width | — | 111 mm 4.4 inches |
Suggested PSU | — | 300 W |
DirectX | 12 (12_0) | 12 (12_1) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 3.0 |
Vulkan | 1.2 | 1.1 |
Shader model | 6.4 | 6.4 |
CUDA | — | 5.2 |
Release date | — | Jun 29th, 2015 |
---|---|---|
Generation | — | Quadro |
Production | — | End-of-life |
Interface | — | PCIe 3.0 x16 |