Product Compare
AMD Radeon RX 6400 vs AMD Radeon HD 8770 OEM
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Jan 2022 | Sep 2013 |
| Generation | Navi II | Sea Islands |
| Type | Desktop | Desktop |
| Bus Interface | PCIe 4.0 x4 | PCIe 3.0 x16 |
| Clock Speeds | ||
| Base Clock | 1923 MHz | |
| Boost Clock | 2321 MHz | |
| Memory Clock | 2000 MHz | 1500 MHz |
| Memory | ||
| Memory Size | 4GB | 1024MB |
| Memory Type | GDDR6 | GDDR5 |
| Memory Bus | 64bit | 128bit |
| Bandwidth | 128.0GB/s | 96.00GB/s |
| Render Config | ||
| Compute Units | 12 | 14 |
| Shading Units | 768 | 896 |
| TMUs | 48 | 56 |
| ROPs | 32 | 16 |
| RT Cores | 12 | |
| L1 Cache | 128 KB per Array | 16 KB (per CU) |
| L2 Cache | 1024 KB | 256 KB |
| L3 Cache | 16 MB | |
| Theoretical Performance | ||
| Pixel Rate | 74.27 GPixel/s | 16.80 GPixel/s |
| Texture Rate | 111.4 GTexel/s | 58.80 GTexel/s |
| FP16 (half) | 7.130 TFLOPS | |
| FP32 (float) | 3.565 TFLOPS | 1.882 TFLOPS |
| FP64 (double) | 222.8 GFLOPS | 117.6 GFLOPS |
| Graphics Processor | ||
| GPU Name | Navi 24 | Bonaire |
| GPU Variant | Navi 24 XL(215-135000046) | Bonaire XT(215-0839039) |
| Architecture | RDNA 2.0 | GCN 2.0 |
| Foundry | TSMC | TSMC |
| Process Size | 6 nm | 28 nm |
| Transistors | 5.4 billion | 2.08 billion |
| Die Size | 107 mm² | 160 mm² |
| Board Design | ||
| TDP | 53W | 85W |
| Suggested PSU | 250 W | 250 W |
| Outputs | 1x HDMI 2.11x DisplayPort 1.4a | 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 |
| Power Connectors | None | 1x 6-pin |
| Graphics Features | ||
| DirectX | 12 Ultimate (12_2) | 12 (12_0) |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.2 | 2.0 |
| Vulkan | 1.3 | 1.2 |
| Shader Model | 6.7 | 6.3 |