GPU model | Navi 21 | Ellesmere |
---|---|---|
Architecture | RDNA 2.0 | GCN 4.0 |
Foundry | TSMC | GlobalFoundries |
Manufacturing process | 7 nm | 14 nm |
Number of transistors | 26,800 million | 5,700 million |
Die size | 520 mm² | 232 mm² |
GPU variant | Navi 21 Pro-XLA | Ellesmere PRO |
Release date | Aug 3rd, 2021 | — |
---|---|---|
Generation | Radeon Pro Mac | — |
Production | Active | — |
Launch price | 4,999 USD | — |
Interface | PCIe 4.0 x16 | — |
Base clock | 1800 MHz | 926 MHz |
---|---|---|
Boost clock | 1975 MHz | 1074 MHz |
Memory clock | 2000 MHz 16 Gbps effective | 1750 MHz 7 Gbps effective |
Memory size | 32 GB | 8 GB |
---|---|---|
Memory type | GDDR6 | GDDR5 |
Memory bus width | 256 bit | 256 bit |
Bandwidth | 512.0 GB/s | 224.0 GB/s |
Shading units | 3840 | 2048 |
---|---|---|
TMUs | 240 | 128 |
ROPs | 96 | 32 |
Compute units | 60 | 32 |
RT cores | 60 | — |
gpu.details.l0-cache | 32 KB per WGP | — |
Cache L1 | 128 KB per Array | 16 KB (per CU) |
Cache L2 | 4 MB | 2 MB |
gpu.details.l3-cache | 128 MB | — |
Pixel rate | 189.6 GPixel/s | 34.37 GPixel/s |
---|---|---|
Texture rate | 474.0 GTexel/s | 137.5 GTexel/s |
FP16 (half) performance | 30.34 TFLOPS (2:1) | 4.399 TFLOPS (1:1) |
FP32 (float) performance | 15.17 TFLOPS | 4.399 TFLOPS |
FP64 (double) performance | 948.0 GFLOPS (1:16) | 274.9 GFLOPS (1:16) |
Slot width | Quad-slot | MXM Module |
---|---|---|
Length | 267 mm 10.5 inches | — |
Width | 120 mm 4.7 inches | — |
TDP | 400 W | 85 W |
Suggested PSU | 800 W | — |
Outputs | 1x HDMI4x Thunderbolt | No outputs |
Power connectors | None | None |
DirectX | 12 Ultimate (12_2) | 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 | — | Aug 4th, 2016 |
---|---|---|
Generation | — | Mobility Radeon (RX M400) |
Production | — | Active |
Interface | — | MXM-B (3.0) |
Predecessor | — | Crystal System |