AMD Radeon RX 6400 vs NVIDIA T400
Graphics Processor
| GPU model | Navi 24 | TU117 |
|---|---|---|
| Architecture | RDNA 2.0 | Turing |
| Foundry | TSMC | TSMC |
| Manufacturing process | 7 nm | 12 nm |
| Number of transistors | unknown | 4,700 million |
| Die size | unknown | 200 mm² |
Graphics Card
| Release date | Unknown | May 6th, 2021 |
|---|---|---|
| Generation | Navi II | Quadro |
| Predecessor | Navi | — |
| Production | Unreleased | Active |
| Interface | PCIe 4.0 x8 | PCIe 3.0 x16 |
| Successor | Navi III | — |
Clocks
| Base clock | 1800 MHz | 420 MHz |
|---|---|---|
| Boost clock | 2000 MHz | 1425 MHz |
| Memory clock | 1750 MHz 14 Gbps effective | 1250 MHz 10 Gbps effective |
Memory Configuration
| Memory size | 4 GB | 2 GB |
|---|---|---|
| Memory type | GDDR6 | GDDR6 |
| Memory bus width | 64 bit | 64 bit |
| Bandwidth | 112.0 GB/s | 80.00 GB/s |
Render Configuration
| Shading units | 768 | 384 |
|---|---|---|
| TMUs | 48 | 24 |
| ROPs | 32 | 16 |
| Compute units | 12 | — |
| RT cores | 12 | — |
| gpu.details.l0-cache | 32 KB per WGP | — |
| Cache L1 | 128 KB per Array | 64 KB (per SM) |
| Cache L2 | 1024 KB | 1024 KB |
| gpu.details.l3-cache | 16 MB | — |
| SM count | — | 6 |
Performance
| Pixel rate | 64.00 GPixel/s | 22.80 GPixel/s |
|---|---|---|
| Texture rate | 96.00 GTexel/s | 34.20 GTexel/s |
| FP16 (half) performance | 6.144 TFLOPS (2:1) | 2.189 TFLOPS (2:1) |
| FP32 (float) performance | 3.072 TFLOPS | 1,094 GFLOPS |
| FP64 (double) performance | 192.0 GFLOPS (1:16) | 34.20 GFLOPS (1:32) |
Dimensions & Outputs
| Slot width | Dual-slot | Single-slot |
|---|---|---|
| TDP | 100 W | 30 W |
| Suggested PSU | 300 W | 200 W |
| Outputs | 1x HDMI2x DisplayPort | 3x mini-DisplayPort |
| Power connectors | 1x 6-pin | None |
API Support & Features
| DirectX | 12 Ultimate (12_2) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 3.0 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 6.6 | 6.6 |
| CUDA | — | 7.5 |
