GPU model | Polaris 21 | GK106 |
---|---|---|
GPU variant | Polaris 21 XT (215-0908004) | — |
Architecture | GCN 4.0 | Kepler |
Foundry | GlobalFoundries | TSMC |
Manufacturing process | 14 nm | 28 nm |
Number of transistors | 3,000 million | 2,540 million |
Die size | 123 mm² | 221 mm² |
Release date | Apr 11th, 2018 | Mar 31st, 2013 |
---|---|---|
Generation | Polaris | GeForce 600 |
Production | Active | End-of-life |
Interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
Predecessor | Polaris | GeForce 500 |
Successor | Vega | GeForce 700 |
Reviews | — | 62 in our database |
Base clock | 1175 MHz | — |
---|---|---|
Boost clock | 1275 MHz | — |
Memory clock | 1750 MHz 7 Gbps effective | 1350 MHz 5.4 Gbps effective |
GPU clock | — | 928 MHz |
Memory size | 4 GB | 2 GB |
---|---|---|
Memory type | GDDR5 | GDDR5 |
Memory bus width | 128 bit | 128 bit |
Bandwidth | 112.0 GB/s | 86.40 GB/s |
Shading units | 1024 | 768 |
---|---|---|
TMUs | 64 | 64 |
ROPs | 16 | 16 |
Compute units | 16 | — |
Cache L1 | 16 KB (per CU) | 16 KB (per SMX) |
Cache L2 | 1024 KB | 256 KB |
SMX count | — | 4 |
Pixel rate | 20.40 GPixel/s | 14.85 GPixel/s |
---|---|---|
Texture rate | 81.60 GTexel/s | 59.39 GTexel/s |
FP16 (half) performance | 2.611 TFLOPS (1:1) | — |
FP32 (float) performance | 2.611 TFLOPS | 1,425 GFLOPS |
FP64 (double) performance | 163.2 GFLOPS (1:16) | 59.39 GFLOPS (1:24) |
Slot width | Dual-slot | Single-slot |
---|---|---|
Length | 170 mm 6.7 inches | 145 mm 5.7 inches |
TDP | 75 W | 110 W |
Suggested PSU | 250 W | 300 W |
Outputs | 1x DVI1x HDMI1x DisplayPort | 2x DVI1x mini-HDMI |
Power connectors | None | 1x 6-pin |
Board number | C994 | P2030 |
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 | — | 3.0 |