AMD Radeon RX 6400 vs AMD Xbox Series S GPU
Graphics Processor
| GPU model | Navi 24 | Lockhart |
|---|---|---|
| Architecture | RDNA 2.0 | RDNA 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 7 nm | 7 nm |
| Number of transistors | unknown | 8,000 million |
| Die size | unknown | 197 mm² |
Graphics Card
| Release date | Unknown | Nov 10th, 2020 |
|---|---|---|
| Generation | Navi II | Console GPU |
| Predecessor | Navi | — |
| Production | Unreleased | Active |
| Interface | PCIe 4.0 x8 | — |
| Successor | Navi III | — |
| Launch price | — | 299 USD |
Clocks
| Base clock | 1800 MHz | — |
|---|---|---|
| Boost clock | 2000 MHz | — |
| Memory clock | 1750 MHz 14 Gbps effective | 1750 MHz 14 Gbps effective |
| GPU clock | — | 1565 MHz |
Memory Configuration
| Memory size | 4 GB | 8 GB |
|---|---|---|
| Memory type | GDDR6 | GDDR6 |
| Memory bus width | 64 bit | 128 bit |
| Bandwidth | 112.0 GB/s | 224.0 GB/s |
Render Configuration
| Shading units | 768 | 1280 |
|---|---|---|
| TMUs | 48 | 80 |
| ROPs | 32 | 32 |
| Compute units | 12 | 20 |
| RT cores | 12 | — |
| gpu.details.l0-cache | 32 KB per WGP | — |
| Cache L1 | 128 KB per Array | — |
| Cache L2 | 1024 KB | 4 MB |
| gpu.details.l3-cache | 16 MB | — |
Performance
| Pixel rate | 64.00 GPixel/s | 50.08 GPixel/s |
|---|---|---|
| Texture rate | 96.00 GTexel/s | 125.2 GTexel/s |
| FP16 (half) performance | 6.144 TFLOPS (2:1) | 8.013 TFLOPS (2:1) |
| FP32 (float) performance | 3.072 TFLOPS | 4.006 TFLOPS |
| FP64 (double) performance | 192.0 GFLOPS (1:16) | 250.4 GFLOPS (1:16) |
Dimensions & Outputs
| Slot width | Dual-slot | — |
|---|---|---|
| TDP | 100 W | 100 W |
| Suggested PSU | 300 W | — |
| Outputs | 1x HDMI2x DisplayPort | No outputs |
| Power connectors | 1x 6-pin | — |
| Length | — | 274 mm 10.8 inches |
| Width | — | 151 mm 5.9 inches |
| Height | — | 64 mm 2.5 inches |
| Weight | — | 1.93 kg (4.25 lbs) |
API Support & Features
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 1.2 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.6 | 6.5 |
