GPU model | Vega 20 | Navi 14 |
---|---|---|
GPU variant | Vega 20 GL | Navi 14 XLM |
Architecture | GCN 5.1 | RDNA 1.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 7 nm | 7 nm |
Number of transistors | 13,230 million | 6,400 million |
Die size | 331 mm² | 158 mm² |
Release date | Nov 18th, 2018 | — |
---|---|---|
Generation | Radeon Instinct | — |
Production | Active | — |
Interface | PCIe 4.0 x16 | — |
Base clock | 1200 MHz | 1000 MHz |
---|---|---|
Boost clock | 1800 MHz | 1445 MHz |
Memory clock | 1000 MHz 2 Gbps effective | 1750 MHz 14 Gbps effective |
Game clock | — | 1181 MHz |
Memory size | 32 GB | 3 GB |
---|---|---|
Memory type | HBM2 | GDDR6 |
Memory bus width | 4096 bit | 96 bit |
Bandwidth | 1,024 GB/s | 168.0 GB/s |
Shading units | 4096 | 1408 |
---|---|---|
TMUs | 256 | 88 |
ROPs | 64 | 32 |
Compute units | 64 | 22 |
Cache L1 | 16 KB (per CU) | — |
Cache L2 | 4 MB | 2 MB |
Pixel rate | 115.2 GPixel/s | 46.24 GPixel/s |
---|---|---|
Texture rate | 460.8 GTexel/s | 127.2 GTexel/s |
FP16 (half) performance | 29.49 TFLOPS (2:1) | 8.138 TFLOPS (2:1) |
FP32 (float) performance | 14.75 TFLOPS | 4.069 TFLOPS |
FP64 (double) performance | 7.373 TFLOPS (1:2) | 254.3 GFLOPS (1:16) |
Slot width | Dual-slot | — |
---|---|---|
Length | 267 mm 10.5 inches | — |
Width | 111 mm 4.4 inches | — |
TDP | 300 W | 85 W |
Suggested PSU | 700 W | — |
Outputs | 1x mini-DisplayPort | No outputs |
Power connectors | 1x 6-pin + 1x 8-pin | None |
DirectX | 12 (12_1) | 12 (12_1) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.4 | 6.5 |
Release date | — | Nov 13th, 2019 |
---|---|---|
Generation | — | Mobility Radeon (Navi) |
Successor | — | Mobility Radeon |
Production | — | Active |
Interface | — | PCIe 4.0 x8 |
Predecessor | — | Crystal System |