GPU model | Vega 20 | TU104 |
---|---|---|
GPU variant | Vega 20 XT | TU104-850-A1 |
Architecture | GCN 5.1 | Turing |
Foundry | TSMC | TSMC |
Manufacturing process | 7 nm | 12 nm |
Number of transistors | 13,230 million | 13,600 million |
Die size | 331 mm² | 545 mm² |
Release date | Jun 3rd, 2019 | Nov 13th, 2018 |
---|---|---|
Generation | Radeon Pro Mac | Quadro |
Production | Active | Active |
Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
Launch price | — | 899 USD |
Base clock | 1574 MHz | 1005 MHz |
---|---|---|
Boost clock | 1720 MHz | 1545 MHz |
Memory clock | 806 MHz 1612 Mbps effective | 1625 MHz 13 Gbps effective |
Memory size | 32 GB | 8 GB |
---|---|---|
Memory type | HBM2 | GDDR6 |
Memory bus width | 4096 bit | 256 bit |
Bandwidth | 825.3 GB/s | 416.0 GB/s |
Shading units | 4096 | 2304 |
---|---|---|
TMUs | 256 | 144 |
ROPs | 64 | 64 |
Compute units | 64 | — |
Cache L1 | 16 KB (per CU) | 64 KB (per SM) |
Cache L2 | 4 MB | 4 MB |
SM count | — | 36 |
Tensor cores | — | 288 |
RT cores | — | 36 |
Pixel rate | 110.1 GPixel/s | 98.88 GPixel/s |
---|---|---|
Texture rate | 440.3 GTexel/s | 222.5 GTexel/s |
FP16 (half) performance | 28.18 TFLOPS (2:1) | 14.24 TFLOPS (2:1) |
FP32 (float) performance | 14.09 TFLOPS | 7.119 TFLOPS |
FP64 (double) performance | 880.6 GFLOPS (1:16) | 222.5 GFLOPS (1:32) |
Slot width | Quad-slot | Single-slot |
---|---|---|
TDP | 475 W | 160 W |
Suggested PSU | 850 W | 450 W |
Outputs | 1x HDMI4x Thunderbolt | 3x DisplayPort1x USB Type-C |
Power connectors | None | 1x 8-pin |
Board number | MW672ZM/A | — |
Length | — | 241 mm 9.5 inches |
Width | — | 111 mm 4.4 inches |
DirectX | 12 (12_1) | 12 Ultimate (12_2) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 3.0 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.4 | 6.6 |
CUDA | — | 7.5 |