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Pick up to four GPUs and compare their specs row by row. Specs that mean different things across generations are kept apart.

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Spec Radeon RX 6400 AMD
Overview
Product name AMD Radeon RX 6400
Architecture RDNA 2.0
Generation / family Radeon RX 6000 Series
Launch date 2022-01-19
Market segment Gaming
Board type / entry type Reference GPU
GPU
Process node TSMC 6 nm
Die size 107 mm²
Transistor count 5.4 billion
GPU chip Navi 24
Stream Processors 768
Ray Accelerators 12
ROPs 32
TMUs 48
Clocks
Base / Core clock 1,923 MHz
Boost clock 2,321 MHz
Memory clock 2,000 MHz
Memory
Memory size 4 GB
Memory type GDDR6
Memory bus width 64-bit
Memory bandwidth 128 GB/s
Bus / Interface
Bus interface PCIe 4.0 x4
AGP / PCI / PCIe distinction PCIe
Power
TDP / TBP / board power 53 W
Recommended PSU 250 W
Slot width Single-slot
Display / Media
Display outputs 1x HDMI 2.1, 1x DisplayPort 1.4a
Features
DirectX support DirectX 12.2
OpenGL support OpenGL 4.6
Vulkan support Vulkan 1.4
Shader Model 6.8
Ray tracing support Hardware RT units present
Performance / Benchmarks
FP32 throughput 3.56 TFLOPS
FP16 throughput 7.13 TFLOPS
Muted cells indicate unavailable, not applicable, or not directly comparable specifications.

DLAA counts as native resolution; DLSS, FSR and XeSS upscaling never do. A ray tracing setting without a readable on or off value is read as on.