AMD Radeon Pro Vega II vs AMD Radeon RX 6600
Graphics Processor
| GPU model | Vega 20 | Navi 23 |
|---|---|---|
| GPU variant | Vega 20 XT | Navi 23 XL (215-130000016) |
| Architecture | GCN 5.1 | RDNA 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 7 nm | 7 nm |
| Number of transistors | 13,230 million | 11,060 million |
| Die size | 331 mm² | 237 mm² |
Graphics Card
| Release date | Jun 3rd, 2019 | Oct 13th, 2021 |
|---|---|---|
| Generation | Radeon Pro Mac | Navi II |
| Production | Active | Active |
| Interface | PCIe 3.0 x16 | PCIe 4.0 x8 |
| Predecessor | — | Navi |
| Launch price | — | 329 USD |
| Successor | — | Navi III |
Clocks
| Base clock | 1574 MHz | 1626 MHz |
|---|---|---|
| Boost clock | 1720 MHz | 2491 MHz |
| Memory clock | 806 MHz 1612 Mbps effective | 1750 MHz 14 Gbps effective |
| Game clock | — | 2044 MHz |
Memory Configuration
| Memory size | 32 GB | 8 GB |
|---|---|---|
| Memory type | HBM2 | GDDR6 |
| Memory bus width | 4096 bit | 128 bit |
| Bandwidth | 825.3 GB/s | 224.0 GB/s |
Render Configuration
| Shading units | 4096 | 1792 |
|---|---|---|
| TMUs | 256 | 112 |
| ROPs | 64 | 64 |
| Compute units | 64 | 28 |
| Cache L1 | 16 KB (per CU) | 128 KB per Array |
| Cache L2 | 4 MB | 2 MB |
| RT cores | — | 28 |
| gpu.details.l0-cache | — | 32 KB per WGP |
| gpu.details.l3-cache | — | 32 MB |
Performance
| Pixel rate | 110.1 GPixel/s | 159.4 GPixel/s |
|---|---|---|
| Texture rate | 440.3 GTexel/s | 279.0 GTexel/s |
| FP16 (half) performance | 28.18 TFLOPS (2:1) | 17.86 TFLOPS (2:1) |
| FP32 (float) performance | 14.09 TFLOPS | 8.928 TFLOPS |
| FP64 (double) performance | 880.6 GFLOPS (1:16) | 558.0 GFLOPS (1:16) |
Dimensions & Outputs
| Slot width | Quad-slot | Dual-slot |
|---|---|---|
| TDP | 475 W | 132 W |
| Suggested PSU | 850 W | 300 W |
| Outputs | 1x HDMI4x Thunderbolt | 1x HDMI3x DisplayPort |
| Power connectors | None | 1x 8-pin |
| Board number | MW672ZM/A | — |
| Length | — | 190 mm 7.5 inches |
| Width | — | 110 mm 4.3 inches |
| Height | — | 40 mm 1.6 inches |
API Support & Features
| DirectX | 12 (12_1) | 12.0 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.4 | 6.5 |
