GPU model | Navi 14 | Ellesmere |
---|---|---|
GPU variant | Navi 14 ULA | Ellesmere XT |
Architecture | RDNA 1.0 | GCN 4.0 |
Foundry | TSMC | GlobalFoundries |
Manufacturing process | 7 nm | 14 nm |
Number of transistors | 6,400 million | 5,700 million |
Die size | 158 mm² | 232 mm² |
Release date | Nov 13th, 2019 | Mar 1st, 2017 |
---|---|---|
Generation | Radeon Pro Mac (Navi Mobile) | Radeon Pro Mobile (WX x100) |
Production | Active | Active |
Interface | PCIe 4.0 x8 | PCIe 3.0 x16 |
Base clock | 1000 MHz | 1188 MHz |
---|---|---|
Boost clock | 1450 MHz | 1243 MHz |
Memory clock | 1500 MHz 12 Gbps effective | 1250 MHz 5 Gbps effective |
Memory size | 8 GB | 8 GB |
---|---|---|
Memory type | GDDR6 | GDDR5 |
Memory bus width | 128 bit | 256 bit |
Bandwidth | 192.0 GB/s | 160.0 GB/s |
Shading units | 1536 | 2304 |
---|---|---|
TMUs | 96 | 144 |
ROPs | 32 | 32 |
Compute units | 24 | 36 |
Cache L2 | 2 MB | 2 MB |
Cache L1 | — | 16 KB (per CU) |
Pixel rate | 46.40 GPixel/s | 39.78 GPixel/s |
---|---|---|
Texture rate | 139.2 GTexel/s | 179.0 GTexel/s |
FP16 (half) performance | 8.909 TFLOPS (2:1) | — |
FP32 (float) performance | 4.454 TFLOPS | 5.728 TFLOPS |
FP64 (double) performance | 278.4 GFLOPS (1:16) | 358.0 GFLOPS (1:16) |
TDP | 85 W | 130 W |
---|---|---|
Outputs | No outputs | No outputs |
Power connectors | None | None |
Slot width | — | MXM Module |
Length | — | 25 mm 1 inches |
DirectX | 12 (12_1) | 12 (12_0) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 2.1 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.5 | 6.4 |