AMD Radeon RX 6400 vs AMD Radeon RX 580 OEM

Comparative analysis of AMD Radeon RX 6400 and AMD Radeon RX 580 OEM videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: PassMark - G2D Mark, PassMark - G3D Mark, 3DMark Fire Strike - Graphics Score, Geekbench - OpenCL.

AMD Radeon RX 6400

AMD Radeon RX 580 OEM

Differences

Reasons to consider the AMD Radeon RX 6400

Videocard is newer: launch date 3 year(s) 9 month(s) later
Around 72% higher core clock speed: 1923 MHz vs 1120-1257 MHz
Around 83% higher boost clock speed: 2321 MHz vs 1266-1340 MHz
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 6 nm vs 14 nm
3.5x lower typical power consumption: 53 Watt vs 185 Watt

Launch date	19 Jan 2022 vs 18 April 2018
Core clock speed	1923 MHz vs 1120-1257 MHz
Boost clock speed	2321 MHz vs 1266-1340 MHz
Manufacturing process technology	6 nm vs 14 nm
Thermal Design Power (TDP)	53 Watt vs 185 Watt

Reasons to consider the AMD Radeon RX 580 OEM

Around 73% higher texture fill rate: 192.96 GTexel/s vs 111.4 GTexel/s
3x more pipelines: 2304 vs 768
2x more maximum memory size: 8 GB vs 4 GB
4x more memory clock speed: 8000 MHz vs 2000 MHz, 16 Gbps effective

Texture fill rate	192.96 GTexel/s vs 111.4 GTexel/s
Pipelines	2304 vs 768
Maximum memory size	8 GB vs 4 GB
Memory clock speed	8000 MHz vs 2000 MHz, 16 Gbps effective

Compare benchmarks

GPU 1: AMD Radeon RX 6400
GPU 2: AMD Radeon RX 580 OEM

Name	AMD Radeon RX 6400	AMD Radeon RX 580 OEM
PassMark - G2D Mark	717
PassMark - G3D Mark	7651
3DMark Fire Strike - Graphics Score	176
Geekbench - OpenCL	33004

Compare specifications (specs)

	AMD Radeon RX 6400	AMD Radeon RX 580 OEM
Essentials
Architecture	RDNA 2.0	GCN 4.0
Code name	Navi 24	Ellesmere
Launch date	19 Jan 2022	18 April 2018
Place in performance rating	279	not rated
Design		Radeon RX 500 Series
GCN generation		4th Gen
Launch price (MSRP)		$229
Type		Desktop, Laptop
Technical info
Boost clock speed	2321 MHz	1266-1340 MHz
Compute units	12	36
Core clock speed	1923 MHz	1120-1257 MHz
Manufacturing process technology	6 nm	14 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	2304
Pixel fill rate	74.27 GPixel/s	42.88 GP/s
Texture fill rate	111.4 GTexel/s	192.96 GTexel/s
Thermal Design Power (TDP)	53 Watt	185 Watt
Transistor count	5400 million	5,700 million
Floating-point performance		6.2 TFLOPs
Render output units		32
Stream Processors		2304
Texture Units		144
Video outputs and ports
Display Connectors	1x HDMI 2.1, 1x DisplayPort 1.4a	1x HDMI, 3x DisplayPort
DisplayPort support
Dual-link DVI support
HDMI
VGA
Compatibility, dimensions and requirements
Form factor	Single-slot
Interface	PCIe 4.0 x4	PCIe 3.0 x16
Recommended system power (PSU)	250 Watt	500 Watt
Supplementary power connectors	None	1x 6-pin
Length		241 mm
API support
DirectX	12 Ultimate (12_2)	12
OpenCL	2.2	2.0
OpenGL	4.6	4.5
Shader Model	6.7
Vulkan
Memory
Maximum RAM amount	4 GB	8 GB
Memory bandwidth	128.0 GB/s	256 GB/s
Memory bus width	64 bit	256 bit
Memory clock speed	2000 MHz, 16 Gbps effective	8000 MHz
Memory type	GDDR6	GDDR5
Technologies
4K H264 Decode
4K H264 Encode
AMD Radeon™ Chill
AMD Radeon™ ReLive
AppAcceleration
FreeSync
H265/HEVC Decode
H265/HEVC Encode
HDMI 4K Support
PowerTune
TrueAudio
Unified Video Decoder (UVD)
Video Code Engine (VCE)
Virtual Super Resolution (VSR)
VR Ready