GPU model | Polaris 21 | GT215 |
---|---|---|
GPU variant | Polaris 21 PRO | GT215-400-A2 |
Architecture | GCN 4.0 | Tesla 2.0 |
Foundry | GlobalFoundries | TSMC |
Manufacturing process | 14 nm | 40 nm |
Number of transistors | 3,000 million | 727 million |
Die size | 123 mm² | 144 mm² |
Release date | Jun 5th, 2017 | — |
---|---|---|
Generation | Radeon Pro Mac (500 Series) | — |
Production | Active | — |
Interface | PCIe 3.0 x8 | — |
GPU clock | 850 MHz | 608 MHz |
---|---|---|
Memory clock | 1275 MHz 5.1 Gbps effective | 837 MHz 3.3 Gbps effective |
Shader clock | — | 1215 MHz |
Memory size | 2 GB | 1280 MB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 128 bit | 320 bit |
Bandwidth | 81.60 GB/s | 133.9 GB/s |
Shading units | 768 | 448 |
---|---|---|
TMUs | 48 | 56 |
ROPs | 16 | 40 |
Compute units | 12 | — |
Cache L1 | 16 KB (per CU) | 64 KB (per SM) |
Cache L2 | 1024 KB | 640 KB |
SM count | — | 14 |
Pixel rate | 13.60 GPixel/s | 17.02 GPixel/s |
---|---|---|
Texture rate | 40.80 GTexel/s | 34.05 GTexel/s |
FP16 (half) performance | 1,306 GFLOPS (1:1) | — |
FP32 (float) performance | 1,306 GFLOPS | 1,089 GFLOPS |
FP64 (double) performance | 81.60 GFLOPS (1:16) | — |
Slot width | IGP | Dual-slot |
---|---|---|
TDP | 75 W | 215 W |
Outputs | No outputs | 2x DVI1x mini-HDMI |
Power connectors | None | 1x 6-pin + 1x 8-pin |
Suggested PSU | — | 550 W |
DirectX | 12 (12_0) | 12 (11_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 1.1 |
Vulkan | 1.2 | — |
Shader model | 6.4 | 5.1 |
CUDA | — | 2.0 |
Release date | — | Never Released |
---|---|---|
Generation | — | GeForce 400 |
Production | — | End-of-life |
Interface | — | PCIe 2.0 x16 |
Reviews | — | 48 in our database |
Predecessor | — | GeForce 200 |
Successor | — | GeForce 500 |