GPU model | Navi 14 | Pitcairn |
---|---|---|
GPU variant | Navi 14 XLM | Pitcairn XT GL (215-0828073) |
Architecture | RDNA 1.0 | GCN 1.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 7 nm | 28 nm |
Number of transistors | 6,400 million | 2,800 million |
Die size | 158 mm² | 212 mm² |
Release date | Nov 13th, 2019 | — |
---|---|---|
Generation | Mobility Radeon (Navi) | — |
Successor | Mobility Radeon | — |
Production | Active | — |
Interface | PCIe 4.0 x8 | — |
Predecessor | Crystal System | — |
Base clock | 1000 MHz | — |
---|---|---|
Game clock | 1181 MHz | — |
Boost clock | 1445 MHz | — |
Memory clock | 1750 MHz 14 Gbps effective | 1200 MHz 4.8 Gbps effective |
GPU clock | — | 950 MHz |
Memory size | 3 GB | 4 GB |
---|---|---|
Memory type | GDDR6 | GDDR5 |
Memory bus width | 96 bit | 256 bit |
Bandwidth | 168.0 GB/s | 153.6 GB/s |
Shading units | 1408 | 1280 |
---|---|---|
TMUs | 88 | 80 |
ROPs | 32 | 32 |
Compute units | 22 | 20 |
Cache L2 | 2 MB | 512 KB |
Cache L1 | — | 16 KB (per CU) |
Pixel rate | 46.24 GPixel/s | 30.40 GPixel/s |
---|---|---|
Texture rate | 127.2 GTexel/s | 76.00 GTexel/s |
FP16 (half) performance | 8.138 TFLOPS (2:1) | — |
FP32 (float) performance | 4.069 TFLOPS | 2.432 TFLOPS |
FP64 (double) performance | 254.3 GFLOPS (1:16) | 152.0 GFLOPS (1:16) |
TDP | 85 W | 150 W |
---|---|---|
Outputs | No outputs | 1x DisplayPort |
Power connectors | None | 1x 6-pin |
Slot width | — | Single-slot |
Length | — | 242 mm 9.5 inches |
Width | — | 111 mm 4.4 inches |
Suggested PSU | — | 450 W |
DirectX | 12 (12_1) | 12 (11_1) |
---|---|---|
OpenGL | 4.6 | 4.6 |
OpenCL | 2.1 | 1.2 |
Vulkan | 1.2 | 1.2 |
Shader model | 6.5 | 5.1 |
Release date | — | Mar 27th, 2013 |
---|---|---|
Generation | — | Radeon Sky |
Production | — | End-of-life |
Interface | — | PCIe 3.0 x16 |