AMD Radeon RX 640 vs AMD Radeon RX 550

Comparative analysis of AMD Radeon RX 640 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: GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), Geekbench - OpenCL, PassMark - G2D Mark, PassMark - G3D Mark, 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), 3DMark Fire Strike - Graphics Score.

AMD Radeon RX 640

AMD Radeon RX 550

Differences

Reasons to consider the AMD Radeon RX 640

Videocard is newer: launch date 2 year(s) 0 month(s) later
Around 3% higher boost clock speed: 1218 MHz vs 1183 MHz
1029.6x more texture fill rate: 38.98 GTexel/s vs 37.86 GTexel / s
Around 88% better performance in GFXBench 4.0 - Manhattan (Frames): 1769 vs 940
Around 88% better performance in GFXBench 4.0 - Manhattan (Fps): 1769 vs 940
Around 29% better performance in GFXBench 4.0 - T-Rex (Frames): 2775 vs 2158
Around 29% better performance in GFXBench 4.0 - T-Rex (Fps): 2775 vs 2158
Around 1% better performance in Geekbench - OpenCL: 11683 vs 11610

Specifications (specs)
Launch date	13 May 2019 vs 18 April 2017
Boost clock speed	1218 MHz vs 1183 MHz
Texture fill rate	38.98 GTexel/s vs 37.86 GTexel / s
Benchmarks
GFXBench 4.0 - Manhattan (Frames)	1769 vs 940
GFXBench 4.0 - Manhattan (Fps)	1769 vs 940
GFXBench 4.0 - T-Rex (Frames)	2775 vs 2158
GFXBench 4.0 - T-Rex (Fps)	2775 vs 2158
Geekbench - OpenCL	11683 vs 11610

Reasons to consider the AMD Radeon RX 550

Around 2% higher core clock speed: 1100 MHz vs 1082 MHz
2x more maximum memory size: 4 GB vs 2 GB
4x more memory clock speed: 7000 MHz vs 1750 MHz (7000 MHz effective)
Around 37% better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 4485 vs 3278
Around 37% better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 4485 vs 3278
Around 35% better performance in PassMark - G2D Mark: 476 vs 352
Around 26% better performance in PassMark - G3D Mark: 2690 vs 2142

Specifications (specs)
Core clock speed	1100 MHz vs 1082 MHz
Maximum memory size	4 GB vs 2 GB
Memory clock speed	7000 MHz vs 1750 MHz (7000 MHz effective)
Benchmarks
GFXBench 4.0 - Car Chase Offscreen (Frames)	4485 vs 3278
GFXBench 4.0 - Car Chase Offscreen (Fps)	4485 vs 3278
PassMark - G2D Mark	476 vs 352
PassMark - G3D Mark	2690 vs 2142

Compare benchmarks

GPU 1: AMD Radeon RX 640
GPU 2: AMD Radeon RX 550

GFXBench 4.0 - Manhattan (Frames)

GPU 1

GPU 2

1769

940

GFXBench 4.0 - Manhattan (Fps)

GPU 1

GPU 2

1769

940

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

2775

2158

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

2775

2158

GFXBench 4.0 - Car Chase Offscreen (Frames)

GPU 1

GPU 2

3278

4485

GFXBench 4.0 - Car Chase Offscreen (Fps)

GPU 1

GPU 2

3278

4485

Geekbench - OpenCL

GPU 1

GPU 2

11683

11610

PassMark - G2D Mark

GPU 1

GPU 2

352

476

PassMark - G3D Mark

GPU 1

GPU 2

2142

2690

Name	AMD Radeon RX 640	AMD Radeon RX 550
GFXBench 4.0 - Manhattan (Frames)	1769	940
GFXBench 4.0 - Manhattan (Fps)	1769	940
GFXBench 4.0 - T-Rex (Frames)	2775	2158
GFXBench 4.0 - T-Rex (Fps)	2775	2158
GFXBench 4.0 - Car Chase Offscreen (Frames)	3278	4485
GFXBench 4.0 - Car Chase Offscreen (Fps)	3278	4485
Geekbench - OpenCL	11683	11610
PassMark - G2D Mark	352	476
PassMark - G3D Mark	2142	2690
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
3DMark Fire Strike - Graphics Score		127

Compare specifications (specs)

	AMD Radeon RX 640	AMD Radeon RX 550
Essentials
Architecture	GCN 4.0	GCN 4.0
Code name	Arctic Islands	Lexa
Launch date	13 May 2019	18 April 2017
Place in performance rating	794	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	1218 MHz	1183 MHz
Compute units	8
Core clock speed	1082 MHz	1100 MHz
Manufacturing process technology	14 nm	14 nm
Peak Double Precision (FP64) Performance	77.95 GFLOPS
Peak Half Precision (FP16) Performance	1247 GFLOPS
Peak Single Precision (FP32) Performance	1247 GFLOPS
Pipelines	512	512
Pixel fill rate	19.49 GPixel/s
Texture fill rate	38.98 GTexel/s	37.86 GTexel / s
Thermal Design Power (TDP)	50 Watt	50 Watt
Transistor count	2200 million	2,200 million
Floating-point performance		1.2 TFLOPs
Video outputs and ports
Display Connectors	1x DVI, 1x HDMI, 1x DisplayPort	1x DVI, 1x HDMI, 1x DisplayPort
DisplayPort support
HDMI
Dual-link DVI support
VGA
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x8	PCIe 3.0 x8
Length	5.7 inches (145 mm)	145 mm
Recommended system power (PSU)	350 Watt	400 Watt
Supplementary power connectors	None	None
Width	Dual-slot
API support
DirectX	12	12
OpenCL	2.0	2.0
OpenGL	4.6	4.5
Shader Model	6.4
Vulkan
Memory
Maximum RAM amount	2 GB	4 GB
Memory bandwidth	112.0 GB/s	112 GB/s
Memory bus width	128 bit	128 bit
Memory clock speed	1750 MHz (7000 MHz effective)	7000 MHz
Memory type	GDDR5	GDDR5
Technologies
Unified Video Decoder (UVD)
Video Code Engine (VCE)
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
Virtual Super Resolution (VSR)