AMD Radeon RX 6400 VS AMD Radeon RX Vega 56
amd
Brand4GB GDDR6
Memory768
Cores128 GB/s
BandwidthRadeon RX 6400
amd
Brand8GB HBM2
Memory3584
Cores409.6 GB/s
BandwidthRadeon RX Vega 56
AMD Radeon RX 6400
Radeon RX 6400
$159 • Jan 2022
Radeon RX Vega 56
$399 • Aug 2017
AMD Radeon RX Vega 56
Specs Comparison
| Specification | AMD Radeon RX 6400 | AMD Radeon RX Vega 56 |
|---|---|---|
| Memory Size | 4 GB | 8 GB |
| Memory Type | GDDR6 | HBM2 |
| TDP | 53 W | 210 W |
| Core Clock | N/A | N/A |
| Boost Clock | 2321 MHz | 1471 MHz |
| Memory Bandwidth | 128 GB/s | 409.6 GB/s |
| Process Size | 6nm | 14nm |
| Architecture | RDNA 2.0 | GCN 5.0 |
| Shading Units | 768 | 3584 |
| RT Cores | 12 | N/A |
| TMUs | 48 | 224 |
| ROPs | 32 | 64 |
| Memory Bus | 64-bit | 2048-bit |
| Memory Clock | 2000 MHz | 800 MHz |
| Pixel Rate | 74.27 GPixel/s | 94.14 GPixel/s |
| Texture Rate | 128 GTexel/s | 409.6 GTexel/s |
| FP32 Performance | 3.565 GFLOPS | 10.54 GFLOPS |
| L2 Cache | 1.00 MB | 4.00 MB |
| Die Size | 107 mm² | 495 mm² |
| Transistors | 5400 Million | 12500 Million |
| Required PSU | 250 W | 550 W |
| Power Connectors | None | 2x 8-pin |
| Bus Interface | PCIe 4.0 x4 | PCIe 3.0 x16 |
| DirectX | 12.2 | 12.1 |
| Vulkan | 1.3 | 1.3 |
| OpenGL | 4.6 | 4.6 |
| Foundry | TSMC | GlobalFoundries |
Comparison in Synthetic Benchmarks
3DMark Time Spy
Synthetic DirectX 12 benchmark that measures GPU performance in gaming workloads
Graphics Score
AMD Radeon RX 6400
AMD Radeon RX Vega 56
Geekbench 6
Cross-platform benchmark that measures GPU compute performance using OpenCL and Metal APIs
OpenCL Score
AMD Radeon RX 6400
AMD Radeon RX Vega 56
GFXBench 5.0
Cross-platform 3D graphics benchmark suite that measures GPU performance across different APIs
Aztec Ruins High (FPS)
AMD Radeon RX 6400
AMD Radeon RX Vega 56
PassMark G2D
Comprehensive 2D graphics benchmark that measures GPU performance in various graphics operations
G2D Mark
AMD Radeon RX 6400
AMD Radeon RX Vega 56
Game Benchmarks Comparison
No game benchmarks available for this combination of GPUs yet.
We're working on collecting performance data for this combination of GPUs. Please check back later.
AMD Radeon RX Vega 56 Wins!
Based on 4 synthetic benchmarks
AMD Radeon RX 6400
AMD • 4GB GDDR6
AMD Radeon RX Vega 56
AMD • 8GB HBM2
Compare with Similar GPUs
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