AMD Radeon RX 6400 videocard review

Radeon RX 6400 videocard released by AMD; release date: 19 Jan 2022. The videocard is based on RDNA 2.0 microarchitecture codenamed Navi 24.

Core clock speed - 1923 MHz. Boost clock speed - 2321 MHz. Texture fill rate - 111.4 GTexel/s. Pipelines - 768. Manufacturing process technology - 6 nm. Transistors count - 5400 million. Power consumption (TDP) - 53 Watt.

Memory type: GDDR6. Maximum RAM amount - 4 GB. Memory bus width - 64 bit. Memory clock speed - 2000 MHz, 16 Gbps effective. Memory bandwidth - 128.0 GB/s.

Benchmarks

PassMark
G2D Mark

Top 1 GPU

This GPU

1294

706

PassMark
G3D Mark

Top 1 GPU

This GPU

38529

7625

3DMark Fire Strike
Graphics Score

Top 1 GPU

This GPU

36466

3579

Geekbench
OpenCL

Top 1 GPU

This GPU

345391

32766

Name	Value
PassMark - G2D Mark	706
PassMark - G3D Mark	7625
3DMark Fire Strike - Graphics Score	3579
Geekbench - OpenCL	32766

Specifications (specs)

Essentials
Architecture	RDNA 2.0
Code name	Navi 24
Launch date	19 Jan 2022
Place in performance rating	234
Technical info
Boost clock speed	2321 MHz
Compute units	12
Core clock speed	1923 MHz
Manufacturing process technology	6 nm
Peak Double Precision (FP64) Performance	222.8 GFLOPS (1:16)
Peak Half Precision (FP16) Performance	7.130 TFLOPS (2:1)
Peak Single Precision (FP32) Performance	3.565 TFLOPS
Pipelines	768
Pixel fill rate	74.27 GPixel/s
Texture fill rate	111.4 GTexel/s
Thermal Design Power (TDP)	53 Watt
Transistor count	5400 million

Video outputs and ports
Display Connectors	1x HDMI 2.1, 1x DisplayPort 1.4a
Compatibility, dimensions and requirements
Form factor	Single-slot
Interface	PCIe 4.0 x4
Recommended system power (PSU)	250 Watt
Supplementary power connectors	None
API support
DirectX	12 Ultimate (12_2)
OpenCL	2.2
OpenGL	4.6
Shader Model	6.7
Vulkan
Memory
Maximum RAM amount	4 GB
Memory bandwidth	128.0 GB/s
Memory bus width	64 bit
Memory clock speed	2000 MHz, 16 Gbps effective
Memory type	GDDR6