Pulse AMD Radeon RX 6400 Specifications
| GPU | AMD Radeon™ RX 6400 Graphics Card |
| Technology | 6nm GPU, AMD RDNA™ 2 Architecture |
| Engine Clock | Boost Clock: Up to 2321 MHzGame Clock: Up to 2039 MHz |
| Stream Processors | 768 |
| Infinity Cache | 16MB |
| Ray Accelerators | 12 |
| Memory Size/Bus | 4GB GDDR6 |
| Memory Clock | 16 Gbps Effective |
| Displays | Maximum 2 Displays |
| Resolution | HDMI™: 7680×4320DisplayPort 1.4: 7680×4320 |
| Interface | PCI-Express 4.0 x4 |
| Output | 1x HDMI1x DisplayPort |
| BIOS Support | UEFI |
| Game Index | 1080P |
| Sapphire Features | Fuse ProtectionAxial Fan Cooling TechnologyTriXX SupportedTriXX BoostATX Bracket Accessory |
| AMD Features | AMD RDNA 2 Gaming ArchitectureDirectX 12 Ultimate supportAMD Smart Access Memory TechnologyAMD Infinity Cache Memory Technology6nm GPUPCI Express 4.0 SupportAMD FreeSync TechnologyDisplayPort 1.4 with DSCHDMI supportVideo Streaming up to 8KAMD Radeon VR Ready PremiumAMD FidelityFXAMD Radeon Image SharpeningAMD Radeon Anti-LagAMD Software: Adrenalin EditionGame Driver Optimizations |
| Cooler Type | Axial Fan Cooling |
| Form Factor | 1 slot, ATXLow ProfileDimension: 170(L) x 56.2(W) x 17.2(H) mm |
| Power Consumption | 55W (Board Power) |
| OS | Linux®, Windows® 7*, Windows® 10, and Windows 11 64-bit |
| System Requirement | Minimum 350 Watt Power SupplyPCI Express® based PC with one X16 lane graphics slot availableMinimum 8GB system memory, 16GB recommendedDisplay with HDMI or DisplayPort required |












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