GPU model | Vega 20 | Vega 20 |
---|---|---|
GPU variant | Vega 20 XT | Vega 20 XT |
Architecture | GCN 5.1 | GCN 5.1 |
Foundry | TSMC | TSMC |
Manufacturing process | 7 nm | 7 nm |
Number of transistors | 13,230 million | 13,230 million |
Die size | 331 mm² | 331 mm² |
Release date | Jun 3rd, 2019 | Feb 7th, 2019 |
---|---|---|
Generation | Radeon Pro Mac | Vega II |
Production | Active | Active |
Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
Launch price | — | 699 USD |
Current price | — | Amazon / Newegg |
Predecessor | — | Vega |
Successor | — | Navi |
Base clock | 1574 MHz | 1400 MHz |
---|---|---|
Boost clock | 1720 MHz | 1750 MHz |
Memory clock | 806 MHz 1612 Mbps effective | 1000 MHz 2 Gbps effective |
Peak clock | — | 1802 MHz |
Memory size | 32 GB | 16 GB |
---|---|---|
Memory type | HBM2 | HBM2 |
Memory bus width | 4096 bit | 4096 bit |
Bandwidth | 825.3 GB/s | 1,024 GB/s |
Shading units | 4096 | 3840 |
---|---|---|
TMUs | 256 | 240 |
ROPs | 64 | 64 |
Compute units | 64 | 60 |
Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
Cache L2 | 4 MB | 4 MB |
Pixel rate | 110.1 GPixel/s | 112.0 GPixel/s |
---|---|---|
Texture rate | 440.3 GTexel/s | 420.0 GTexel/s |
FP16 (half) performance | 28.18 TFLOPS (2:1) | 26.88 TFLOPS (2:1) |
FP32 (float) performance | 14.09 TFLOPS | 13.44 TFLOPS |
FP64 (double) performance | 880.6 GFLOPS (1:16) | 3.360 TFLOPS (1:4) |
Slot width | Quad-slot | Dual-slot |
---|---|---|
TDP | 475 W | 295 W |
Suggested PSU | 850 W | 600 W |
Outputs | 1x HDMI4x Thunderbolt | 1x HDMI3x DisplayPort |
Power connectors | None | 2x 8-pin |
Board number | MW672ZM/A | 109-D36037-00_04 |
Length | — | 280 mm 11 inches |
Width | — | 125 mm 4.9 inches |
Height | — | 40 mm 1.6 inches |
gpu.details.bios-number | — | 113-D3600200-105 |
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 | 6.4 |