GPU model | Polaris 21 | GM204 |
---|---|---|
GPU variant | Polaris 21 XT (215-0908004) | GM204-200-A1 |
Architecture | GCN 4.0 | Maxwell 2.0 |
Foundry | GlobalFoundries | TSMC |
Manufacturing process | 14 nm | 28 nm |
Number of transistors | 3,000 million | 5,200 million |
Die size | 123 mm² | 398 mm² |
Release date | Apr 18th, 2017 | — |
---|---|---|
Generation | Radeon Pro Mac (500 Series) | — |
Production | Active | — |
Interface | PCIe 3.0 x8 | — |
GPU clock | 907 MHz | — |
---|---|---|
Memory clock | 1270 MHz 5.1 Gbps effective | 1753 MHz 7 Gbps effective |
Base clock | — | 1050 MHz |
Boost clock | — | 1178 MHz |
Memory size | 4 GB | 4 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 128 bit | 256 bit |
Bandwidth | 81.28 GB/s | 224.4 GB/s |
Shading units | 1024 | 1664 |
---|---|---|
TMUs | 64 | 104 |
ROPs | 16 | 56 |
Compute units | 16 | — |
Cache L1 | 16 KB (per CU) | 48 KB (per SMM) |
Cache L2 | 1024 KB | 2 MB |
SMM count | — | 13 |
Pixel rate | 14.51 GPixel/s | 65.97 GPixel/s |
---|---|---|
Texture rate | 58.05 GTexel/s | 122.5 GTexel/s |
FP16 (half) performance | 1.858 TFLOPS (1:1) | — |
FP32 (float) performance | 1.858 TFLOPS | 3.920 TFLOPS |
FP64 (double) performance | 116.1 GFLOPS (1:16) | 122.5 GFLOPS (1:32) |
Slot width | IGP | Dual-slot |
---|---|---|
TDP | 75 W | 148 W |
Outputs | No outputs | 1x DVI1x HDMI3x DisplayPort |
Power connectors | None | 2x 6-pin |
Length | — | 267 mm 10.5 inches |
Width | — | 111 mm 4.4 inches |
Height | — | 40 mm 1.6 inches |
Suggested PSU | — | 300 W |
Board number | — | PG401 |
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 | — | Sep 19th, 2014 |
---|---|---|
Generation | — | GeForce 900 |
Production | — | End-of-life |
Launch price | — | 329 USD |
Interface | — | PCIe 3.0 x16 |
Reviews | — | 111 in our database |
Predecessor | — | GeForce 700 |
Successor | — | GeForce 10 |