Radeon RX 6400
Technical Highlights
About this GPU Card
Radeon RX 6400 is a discrete graphics card from AMD released on January 19, 2022 based on the RDNA 2.0 architecture with 4 GB GDDR6 memory on a PCIe 4.0 x4 bus interface. It runs at 1923 MHz base clock, reaches up to 2321 MHz boost clock, and has a 53 W power rating. It supports DirectX 12 Ultimate (12_2), Vulkan 1.4, and OpenGL 4.6.
Overall Score Of Radeon RX 6400
This summarizes how Radeon RX 6400 scores across key areas like gaming, rendering, AI, and Energy Efficiency.
General Info of Radeon RX 6400
Vendor
AMD
Release Date
January 19, 2022
Foundry
TSMC
Architecture
RDNA 2.0
Process Size
Good6 nm
Transistors
5.4 billion
Launch Price
159
Graphics Processor of Radeon RX 6400
Base Clock
Good1923 MHz
Boost Clock
Good2321 MHz
Shading Units
768
Compute Units
12
Ray Tracing Cores (RTCs)
12
Textured Mapping Units (TMUs)
48
Render Output Units (ROPs)
32
Die Size
107 mm²
Density
50.5 MTr/mm²
L1 Cache
128 KB per Array
L2 Cache
1024 KB
L3 Cache
16 MB
Raw Performance of Radeon RX 6400
Pixel Fill Rate
74.27 GPixel/s
Texture Fill Rate
111.4 GTexel/s
FP32 Performance
3.565 TFLOPs
Memory of Radeon RX 6400
Memory Size
4 GB
Memory Type
GoodGDDR6
Bus Width
64-bit
Memory Clock
Excellent2000 MHz
Effective Speed
16000 Mbps
Bandwidth
128 GB/s
Board Design of Radeon RX 6400
Bus Interface
PCIe 4.0 x4
PCIe Version
Excellent4.0
PCIe Lanes
4
TGP
53 W
APIs of Radeon RX 6400
DirectX
Top tier12 Ultimate (12_2)
OpenGL
Top tier4.6
OpenCL
Excellent2.2
Vulkan
Top tier1.4
HDMI
Top tier2.1
DisplayPort
Excellent1.4a
Ray Tracing
1
DLSS
0
Benchmarks of Radeon RX 6400
Passmark Graphics
A multi-test benchmark that evaluates raster, memory bandwidth, and compute performance.
FurMark
Stress test designed to push sustained load for thermal stability and cooling behavior.
Performance Charts Of Radeon RX 6400
These charts give a quick view of FPS scaling across resolutions and how this GPU compares against market top benchmark values.
Gaming FPS Analysis
Performance Benchmarks
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Frequently Asked Questions about Radeon RX 6400
The Radeon RX 6400 was officially released in January 19, 2022. It was launched as a graphics solution by AMD.
The Radeon RX 6400 is equipped with 4 GB of VRAM, providing adequate memory for 1080p gaming and standard workloads.
The Radeon RX 6400 has a Total Graphics Power (TGP) of 53 W. This value dictates your power supply (PSU) requirements, so ensure your system can handle this draw effectively.
The Radeon RX 6400 operates at a base clock speed of 1923 MHz. This is the minimum clock frequency the graphics card runs at under standard workloads before boosting.
The Radeon RX 6400 features a boost clock speed of 2321 MHz. This clock speed represents the maximum frequency the graphics card can dynamically reach during intense gaming or rendering workloads.
The Radeon RX 6400 is built on the RDNA 2.0 architecture. This foundational design determines the GPU's power efficiency and support for modern features like hardware Ray Tracing and AI upscaling (DLSS/FSR).
With a performance score of 71%, the Radeon RX 6400 is ranked as a high-performance graphics card in our extensive GPU database.
The Radeon RX 6400 uses the PCIe 4.0 x4 interface, ensuring high-speed data transfer and minimal bottlenecking between the graphics card and the motherboard.
The Radeon RX 6400 features 768 shading units (cores), which are directly responsible for rendering complex visual effects and lighting in modern games.
The Radeon RX 6400 contains approximately 5.4 billion transistors, packed into its silicon to deliver massive parallel processing capabilities.
The Radeon RX 6400 is manufactured on a 6 nm node. A smaller process node generally translates to better energy efficiency and improved thermal management.