AMD Radeon Pro W6800X Duo vs AMD Radeon RX 480
Graphics Processor
| GPU model | Navi 21 | Ellesmere |
|---|---|---|
| Architecture | RDNA 2.0 | GCN 4.0 |
| Foundry | TSMC | GlobalFoundries |
| Manufacturing process | 7 nm | 14 nm |
| Number of transistors | 26,800 million | 5,700 million |
| Die size | 520 mm² | 232 mm² |
| GPU variant | Navi 21 Pro-XLA | Polaris 10 XT (215-0876184) |
Graphics Card
| Release date | Aug 3rd, 2021 | Jun 29th, 2016 |
|---|---|---|
| Generation | Radeon Pro Mac | Arctic Islands |
| Production | Active | Active |
| Launch price | 4,999 USD | 229 USD |
| Interface | PCIe 4.0 x16 | PCIe 3.0 x16 |
| Reviews | — | 86 in our database |
| Predecessor | — | Pirate Islands |
| Successor | — | Polaris |
Clocks
| Base clock | 1800 MHz | 1120 MHz |
|---|---|---|
| Boost clock | 1975 MHz | 1266 MHz |
| Memory clock | 2000 MHz 16 Gbps effective | 2000 MHz 8 Gbps effective |
Memory Configuration
| Memory size | 32 GB | 8 GB |
|---|---|---|
| Memory type | GDDR6 | GDDR5 |
| Memory bus width | 256 bit | 256 bit |
| Bandwidth | 512.0 GB/s | 256.0 GB/s |
Render Configuration
| Shading units | 3840 | 2304 |
|---|---|---|
| TMUs | 240 | 144 |
| ROPs | 96 | 32 |
| Compute units | 60 | 36 |
| RT cores | 60 | — |
| gpu.details.l0-cache | 32 KB per WGP | — |
| Cache L1 | 128 KB per Array | 16 KB (per CU) |
| Cache L2 | 4 MB | 2 MB |
| gpu.details.l3-cache | 128 MB | — |
Performance
| Pixel rate | 189.6 GPixel/s | 40.51 GPixel/s |
|---|---|---|
| Texture rate | 474.0 GTexel/s | 182.3 GTexel/s |
| FP16 (half) performance | 30.34 TFLOPS (2:1) | 5.834 TFLOPS (1:1) |
| FP32 (float) performance | 15.17 TFLOPS | 5.834 TFLOPS |
| FP64 (double) performance | 948.0 GFLOPS (1:16) | 364.6 GFLOPS (1:16) |
Dimensions & Outputs
| Slot width | Quad-slot | Dual-slot |
|---|---|---|
| Length | 267 mm 10.5 inches | 240 mm 9.4 inches |
| Width | 120 mm 4.7 inches | 95 mm 3.7 inches |
| TDP | 400 W | 150 W |
| Suggested PSU | 800 W | 450 W |
| Outputs | 1x HDMI4x Thunderbolt | 1x HDMI3x DisplayPort |
| Power connectors | None | 1x 6-pin |
| Height | — | 35 mm 1.4 inches |
| Board number | — | C940, D009-47 |
API Support & Features
| DirectX | 12 Ultimate (12_2) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.5 | 6.4 |
