GPU model | Navi 14 | Tahiti |
---|---|---|
GPU variant | Navi 14 PROA | Tahiti PRO3 (215-0821330) |
Architecture | RDNA 1.0 | GCN 1.0 |
Foundry | TSMC | TSMC |
Manufacturing process | 7 nm | 28 nm |
Number of transistors | 6,400 million | 4,313 million |
Die size | 158 mm² | 352 mm² |
Release date | Nov 13th, 2019 | — |
---|---|---|
Generation | Radeon Pro Mac (Navi Mobile) | — |
Production | Active | — |
Interface | PCIe 4.0 x8 | — |
Base clock | 1000 MHz | 827 MHz |
---|---|---|
Boost clock | 1250 MHz | 933 MHz |
Memory clock | 1500 MHz 12 Gbps effective | 1250 MHz 5 Gbps effective |
Memory size | 4 GB | 3 GB |
---|---|---|
Memory type | GDDR6 | GDDR5 |
Memory bus width | 128 bit | 384 bit |
Bandwidth | 192.0 GB/s | 240.0 GB/s |
Shading units | 1280 | 1792 |
---|---|---|
TMUs | 80 | 112 |
ROPs | 32 | 32 |
Compute units | 20 | 28 |
Cache L2 | 2 MB | 768 KB |
Cache L1 | — | 16 KB (per CU) |
Pixel rate | 40.00 GPixel/s | 29.86 GPixel/s |
---|---|---|
Texture rate | 100.0 GTexel/s | 104.5 GTexel/s |
FP16 (half) performance | 6.400 TFLOPS (2:1) | — |
FP32 (float) performance | 3.200 TFLOPS | 3.344 TFLOPS |
FP64 (double) performance | 200.0 GFLOPS (1:16) | 836.0 GFLOPS (1:4) |
TDP | 85 W | 200 W |
---|---|---|
Outputs | No outputs | 1x DVI2x HDMI1x DisplayPort |
Power connectors | None | 1x 6-pin + 1x 8-pin |
Slot width | — | Dual-slot |
Length | — | 275 mm 10.8 inches |
Width | — | 109 mm 4.3 inches |
Height | — | 36 mm 1.4 inches |
Suggested PSU | — | 550 W |
Board number | — | C386 |
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 4th, 2014 |
---|---|---|
Generation | — | Volcanic Islands |
Production | — | End-of-life |
Launch price | — | 279 USD |
Interface | — | PCIe 3.0 x16 |
Reviews | — | 35 in our database |
Predecessor | — | Sea Islands |
Successor | — | Pirate Islands |