AMD Radeon RX 6400 vs AMD Radeon RX 550

Comparative analysis of AMD Radeon RX 6400 and AMD Radeon RX 550 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

AMD Radeon RX 6400

AMD Radeon RX 550

Differences

Reasons to consider the AMD Radeon RX 6400

Videocard is newer: launch date 4 year(s) 9 month(s) later
Around 75% higher core clock speed: 1923 MHz vs 1100 MHz
Around 96% higher boost clock speed: 2321 MHz vs 1183 MHz
2942.4x more texture fill rate: 111.4 GTexel/s vs 37.86 GTexel / s
Around 50% higher pipelines: 768 vs 512
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 6 nm vs 14 nm
Around 51% better performance in PassMark - G2D Mark: 717 vs 476
2.8x better performance in PassMark - G3D Mark: 7651 vs 2690
Around 39% better performance in 3DMark Fire Strike - Graphics Score: 176 vs 127
2.8x better performance in Geekbench - OpenCL: 33004 vs 11610

Specifications (specs)
Launch date	19 Jan 2022 vs 18 April 2017
Core clock speed	1923 MHz vs 1100 MHz
Boost clock speed	2321 MHz vs 1183 MHz
Texture fill rate	111.4 GTexel/s vs 37.86 GTexel / s
Pipelines	768 vs 512
Manufacturing process technology	6 nm vs 14 nm
Benchmarks
PassMark - G2D Mark	717 vs 476
PassMark - G3D Mark	7651 vs 2690
3DMark Fire Strike - Graphics Score	176 vs 127
Geekbench - OpenCL	33004 vs 11610

Reasons to consider the AMD Radeon RX 550

Around 6% lower typical power consumption: 50 Watt vs 53 Watt
3.5x more memory clock speed: 7000 MHz vs 2000 MHz, 16 Gbps effective

Thermal Design Power (TDP)	50 Watt vs 53 Watt
Memory clock speed	7000 MHz vs 2000 MHz, 16 Gbps effective

Compare benchmarks

GPU 1: AMD Radeon RX 6400
GPU 2: AMD Radeon RX 550

PassMark - G2D Mark

GPU 1

GPU 2

717

476

PassMark - G3D Mark

GPU 1

GPU 2

7651

2690

3DMark Fire Strike - Graphics Score

GPU 1

GPU 2

176

127

Geekbench - OpenCL

GPU 1

GPU 2

33004

11610

Name	AMD Radeon RX 6400	AMD Radeon RX 550
PassMark - G2D Mark	717	476
PassMark - G3D Mark	7651	2690
3DMark Fire Strike - Graphics Score	176	127
Geekbench - OpenCL	33004	11610
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		33.507
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		1037.305
CompuBench 1.5 Desktop - T-Rex (Frames/s)		3.064
CompuBench 1.5 Desktop - Video Composition (Frames/s)		52.533
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		140.911
GFXBench 4.0 - Car Chase Offscreen (Frames)		4485
GFXBench 4.0 - Manhattan (Frames)		940
GFXBench 4.0 - T-Rex (Frames)		2158
GFXBench 4.0 - Car Chase Offscreen (Fps)		4485
GFXBench 4.0 - Manhattan (Fps)		940
GFXBench 4.0 - T-Rex (Fps)		2158

Compare specifications (specs)

	AMD Radeon RX 6400	AMD Radeon RX 550
Essentials
Architecture	RDNA 2.0	GCN 4.0
Code name	Navi 24	Lexa
Launch date	19 Jan 2022	18 April 2017
Place in performance rating	279	876
Design		Radeon RX 500 Series
GCN generation		4th Gen
Launch price (MSRP)		$79
Price now		$75
Type		Desktop
Value for money (0-100)		59.51
Technical info
Boost clock speed	2321 MHz	1183 MHz
Compute units	12
Core clock speed	1923 MHz	1100 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	512
Pixel fill rate	74.27 GPixel/s
Texture fill rate	111.4 GTexel/s	37.86 GTexel / s
Thermal Design Power (TDP)	53 Watt	50 Watt
Transistor count	5400 million	2,200 million
Floating-point performance		1.2 TFLOPs
Video outputs and ports
Display Connectors	1x HDMI 2.1, 1x DisplayPort 1.4a	1x DVI, 1x HDMI, 1x 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 x8
Recommended system power (PSU)	250 Watt	400 Watt
Supplementary power connectors	None	None
Length		145 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	4 GB
Memory bandwidth	128.0 GB/s	112 GB/s
Memory bus width	64 bit	128 bit
Memory clock speed	2000 MHz, 16 Gbps effective	7000 MHz
Memory type	GDDR6	GDDR5
Technologies
4K H264 Decode
4K H264 Encode
AMD Eyefinity
AMD Radeon™ Chill
AMD Radeon™ ReLive
AppAcceleration
FreeSync
H265/HEVC Decode
H265/HEVC Encode
HDMI 4K Support
LiquidVR
PowerTune
TrueAudio
Unified Video Decoder (UVD)
Video Code Engine (VCE)
Virtual Super Resolution (VSR)