GPU model | Navi 14 | Polaris 21 |
---|---|---|
GPU variant | Navi 14 XLM | Polaris 21 XT (215-0908004) |
Architecture | RDNA 1.0 | GCN 4.0 |
Foundry | TSMC | GlobalFoundries |
Manufacturing process | 7 nm | 14 nm |
Number of transistors | 6,400 million | 3,000 million |
Die size | 158 mm² | 123 mm² |
Release date | Nov 13th, 2019 | — |
---|---|---|
Generation | Mobility Radeon (Navi) | — |
Successor | Mobility Radeon | — |
Production | Active | — |
Interface | PCIe 4.0 x8 | — |
Predecessor | Crystal System | — |
Base clock | 1000 MHz | 1175 MHz |
---|---|---|
Game clock | 1181 MHz | — |
Boost clock | 1445 MHz | 1275 MHz |
Memory clock | 1750 MHz 14 Gbps effective | 1750 MHz 7 Gbps effective |
Memory size | 3 GB | 4 GB |
---|---|---|
Memory type | GDDR6 | GDDR5 |
Memory bus width | 96 bit | 128 bit |
Bandwidth | 168.0 GB/s | 112.0 GB/s |
Shading units | 1408 | 1024 |
---|---|---|
TMUs | 88 | 64 |
ROPs | 32 | 16 |
Compute units | 22 | 16 |
Cache L2 | 2 MB | 1024 KB |
Cache L1 | — | 16 KB (per CU) |
Pixel rate | 46.24 GPixel/s | 20.40 GPixel/s |
---|---|---|
Texture rate | 127.2 GTexel/s | 81.60 GTexel/s |
FP16 (half) performance | 8.138 TFLOPS (2:1) | 2.611 TFLOPS (1:1) |
FP32 (float) performance | 4.069 TFLOPS | 2.611 TFLOPS |
FP64 (double) performance | 254.3 GFLOPS (1:16) | 163.2 GFLOPS (1:16) |
TDP | 85 W | 75 W |
---|---|---|
Outputs | No outputs | 1x DVI1x HDMI1x DisplayPort |
Power connectors | None | None |
Slot width | — | Dual-slot |
Length | — | 170 mm 6.7 inches |
Suggested PSU | — | 250 W |
Board number | — | C994 |
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 | — | Polaris |
Production | — | Active |
Launch price | — | 99 USD |
Interface | — | PCIe 3.0 x8 |
Predecessor | — | Arctic Islands |
Successor | — | Vega |