GPU model | Navi 14 | Polaris 20 |
---|---|---|
GPU variant | Navi 14 XE | Polaris 20M XT |
Architecture | RDNA 1.0 | GCN 4.0 |
Foundry | TSMC | GlobalFoundries |
Manufacturing process | 7 nm | 14 nm |
Number of transistors | 6,400 million | 5,700 million |
Die size | 158 mm² | 232 mm² |
Release date | May 28th, 2020 | — |
---|---|---|
Generation | Navi | — |
Predecessor | Vega | — |
Production | Active | — |
Interface | PCIe 4.0 x8 | — |
Successor | Navi II | — |
Launch price | 129 USD | — |
Base clock | 1327 MHz | 1000 MHz |
---|---|---|
Game clock | 1448 MHz | — |
Boost clock | 1645 MHz | 1077 MHz |
Memory clock | 1750 MHz 14 Gbps effective | 2000 MHz 8 Gbps effective |
Memory size | 3 GB | 8 GB |
---|---|---|
Memory type | GDDR6 | GDDR5 |
Memory bus width | 96 bit | 256 bit |
Bandwidth | 168.0 GB/s | 256.0 GB/s |
Shading units | 1408 | 2304 |
---|---|---|
TMUs | 88 | 144 |
ROPs | 32 | 32 |
Compute units | 22 | 36 |
Cache L2 | 1536 KB | 2 MB |
Cache L1 | — | 16 KB (per CU) |
Pixel rate | 52.64 GPixel/s | 34.46 GPixel/s |
---|---|---|
Texture rate | 144.8 GTexel/s | 155.1 GTexel/s |
FP16 (half) performance | 9.265 TFLOPS (2:1) | 4.963 TFLOPS (1:1) |
FP32 (float) performance | 4.632 TFLOPS | 4.963 TFLOPS |
FP64 (double) performance | 289.5 GFLOPS (1:16) | 310.2 GFLOPS (1:16) |
Slot width | Dual-slot | MXM Module |
---|---|---|
Length | 180 mm 7.1 inches | — |
TDP | 100 W | 100 W |
Suggested PSU | 300 W | — |
Outputs | 1x HDMI3x DisplayPort | No outputs |
Power connectors | 1x 6-pin | None |
DirectX | 12 (12_1) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.5 | 6.4 |
Release date | — | Apr 18th, 2017 |
---|---|---|
Generation | — | Mobility Radeon (RX M500) |
Production | — | Active |
Interface | — | MXM-B (3.0) |
Predecessor | — | Crystal System |