AMD Radeon Pro 5500 XT vs AMD Radeon Pro W6800X Duo
Graphics Processor
| GPU model | Navi 14 | Navi 21 |
|---|---|---|
| GPU variant | Navi 14 PRO XL | Navi 21 Pro-XLA |
| Architecture | RDNA 1.0 | RDNA 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 7 nm | 7 nm |
| Number of transistors | 6,400 million | 26,800 million |
| Die size | 158 mm² | 520 mm² |
Graphics Card
| Release date | Aug 4th, 2020 | Aug 3rd, 2021 |
|---|---|---|
| Generation | Radeon Pro Mac | Radeon Pro Mac |
| Production | Active | Active |
| Interface | PCIe 4.0 x8 | PCIe 4.0 x16 |
| Launch price | — | 4,999 USD |
Clocks
| Base clock | 1187 MHz | 1800 MHz |
|---|---|---|
| Boost clock | 1757 MHz | 1975 MHz |
| Memory clock | 1750 MHz 14 Gbps effective | 2000 MHz 16 Gbps effective |
Memory Configuration
| Memory size | 8 GB | 32 GB |
|---|---|---|
| Memory type | GDDR6 | GDDR6 |
| Memory bus width | 128 bit | 256 bit |
| Bandwidth | 224.0 GB/s | 512.0 GB/s |
Render Configuration
| Shading units | 1536 | 3840 |
|---|---|---|
| TMUs | 96 | 240 |
| ROPs | 32 | 96 |
| Compute units | 24 | 60 |
| Cache L2 | 2 MB | 4 MB |
| RT cores | — | 60 |
| gpu.details.l0-cache | — | 32 KB per WGP |
| Cache L1 | — | 128 KB per Array |
| gpu.details.l3-cache | — | 128 MB |
Performance
| Pixel rate | 56.22 GPixel/s | 189.6 GPixel/s |
|---|---|---|
| Texture rate | 168.7 GTexel/s | 474.0 GTexel/s |
| FP16 (half) performance | 10.80 TFLOPS (2:1) | 30.34 TFLOPS (2:1) |
| FP32 (float) performance | 5.398 TFLOPS | 15.17 TFLOPS |
| FP64 (double) performance | 337.3 GFLOPS (1:16) | 948.0 GFLOPS (1:16) |
Dimensions & Outputs
| Slot width | IGP | Quad-slot |
|---|---|---|
| TDP | 125 W | 400 W |
| Suggested PSU | 300 W | 800 W |
| Outputs | No outputs | 1x HDMI4x Thunderbolt |
| Power connectors | None | None |
| Length | — | 267 mm 10.5 inches |
| Width | — | 120 mm 4.7 inches |
API Support & Features
| DirectX | 12 (12_1) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.5 | 6.5 |
