GPU model | Navi 14 | RV770 |
---|---|---|
GPU variant | Navi 14 PRO XL | RV770 XT (215-0669049) |
Architecture | RDNA 1.0 | TeraScale |
Foundry | TSMC | TSMC |
Manufacturing process | 7 nm | 55 nm |
Number of transistors | 6,400 million | 956 million |
Die size | 158 mm² | 256 mm² |
Release date | Aug 4th, 2020 | Never Released |
---|---|---|
Generation | Radeon Pro Mac | FirePro |
Production | Active | End-of-life |
Interface | PCIe 4.0 x8 | PCIe 2.0 x16 |
Reviews | — | 1 in our database |
Base clock | 1187 MHz | — |
---|---|---|
Boost clock | 1757 MHz | — |
Memory clock | 1750 MHz 14 Gbps effective | 850 MHz 3.4 Gbps effective |
GPU clock | — | 750 MHz |
Memory size | 8 GB | 1024 MB |
---|---|---|
Memory type | GDDR6 | GDDR5 |
Memory bus width | 128 bit | 256 bit |
Bandwidth | 224.0 GB/s | 108.8 GB/s |
Shading units | 1536 | 800 |
---|---|---|
TMUs | 96 | 40 |
ROPs | 32 | 16 |
Compute units | 24 | 10 |
Cache L2 | 2 MB | 256 KB |
Cache L1 | — | 16 KB (per CU) |
Pixel rate | 56.22 GPixel/s | 12.00 GPixel/s |
---|---|---|
Texture rate | 168.7 GTexel/s | 30.00 GTexel/s |
FP16 (half) performance | 10.80 TFLOPS (2:1) | — |
FP32 (float) performance | 5.398 TFLOPS | 1,200 GFLOPS |
FP64 (double) performance | 337.3 GFLOPS (1:16) | — |
Slot width | IGP | Dual-slot |
---|---|---|
TDP | 125 W | 151 W |
Suggested PSU | 300 W | 450 W |
Outputs | No outputs | No outputs |
Power connectors | None | 2x 6-pin |
Length | — | 254 mm 10 inches |
Width | — | 111 mm 4.4 inches |
DirectX | 12 (12_1) | 10.1 (10_1) |
---|---|---|
OpenGL | 4.6 | 3.3 |
OpenCL | 2.1 | 1.1 |
Vulkan | 1.2 | — |
Shader model | 6.5 | 4.1 |