GPU model | Navi 12 | Fiji |
---|---|---|
GPU variant | Navi 12 | Fiji XT C8 (215-0862040) |
Architecture | RDNA 1.0 | GCN 3.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 7 nm | 28 nm |
Number of transistors | unknown | 8,900 million |
Die size | unknown | 596 mm² |
Release date | Jun 15th, 2020 | — |
---|---|---|
Generation | Radeon Pro Mac (Navi Mobile) | — |
Production | Active | — |
Interface | PCIe 4.0 x16 | — |
Base clock | 1000 MHz | — |
---|---|---|
Boost clock | 1035 MHz | — |
Memory clock | 770 MHz 1540 Mbps effective | 500 MHz 1000 Mbps effective |
GPU clock | — | 1050 MHz |
Memory size | 8 GB | 4 GB |
---|---|---|
Memory type | HBM2 | HBM |
Memory bus width | 2048 bit | 4096 bit |
Bandwidth | 394.2 GB/s | 512.0 GB/s |
Shading units | 2560 | 4096 |
---|---|---|
TMUs | 160 | 256 |
ROPs | 64 | 64 |
Compute units | 40 | 64 |
Cache L2 | 4 MB | 2 MB |
Cache L1 | — | 16 KB (per CU) |
Pixel rate | 66.24 GPixel/s | 67.20 GPixel/s |
---|---|---|
Texture rate | 165.6 GTexel/s | 268.8 GTexel/s |
FP16 (half) performance | 10.60 TFLOPS (2:1) | 8.602 TFLOPS (1:1) |
FP32 (float) performance | 5.299 TFLOPS | 8.602 TFLOPS |
FP64 (double) performance | 331.2 GFLOPS (1:16) | 537.6 GFLOPS (1:16) |
Slot width | IGP | Dual-slot |
---|---|---|
TDP | 50 W | 275 W |
Outputs | No outputs | 1x HDMI3x DisplayPort |
Power connectors | None | 2x 8-pin |
Length | — | 195 mm 7.7 inches |
Width | — | 115 mm 4.5 inches |
Height | — | 39 mm 1.5 inches |
Suggested PSU | — | 600 W |
Board number | — | C880-37 |
DirectX | 12 (12_1) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.2 | 2.0 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.5 | 6.3 |
Release date | — | Jun 24th, 2015 |
---|---|---|
Generation | — | Pirate Islands |
Production | — | End-of-life |
Launch price | — | 649 USD |
Interface | — | PCIe 3.0 x16 |
Predecessor | — | Volcanic Islands |
Successor | — | Arctic Islands |