AMD Radeon RX 640 vs AMD Radeon RX 550 (Laptop)

Comparative analysis of AMD Radeon RX 640 and AMD Radeon RX 550 (Laptop) 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.

AMD Radeon RX 640

AMD Radeon RX 550 (Laptop)

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
757.2x more texture fill rate: 38.98 GTexel/s vs 51.48 GTexel / s

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 51.48 GTexel / s

Reasons to consider the AMD Radeon RX 550 (Laptop)

Around 2% higher core clock speed: 1100 MHz vs 1082 MHz
Around 25% higher pipelines: 640 vs 512
2x more maximum memory size: 4 GB vs 2 GB
4x more memory clock speed: 7000 MHz vs 1750 MHz (7000 MHz effective)

Core clock speed	1100 MHz vs 1082 MHz
Pipelines	640 vs 512
Maximum memory size	4 GB vs 2 GB
Memory clock speed	7000 MHz vs 1750 MHz (7000 MHz effective)

Compare benchmarks

GPU 1: AMD Radeon RX 640
GPU 2: AMD Radeon RX 550 (Laptop)

Name	AMD Radeon RX 640	AMD Radeon RX 550 (Laptop)
GFXBench 4.0 - Manhattan (Frames)	1769
GFXBench 4.0 - Manhattan (Fps)	1769
GFXBench 4.0 - T-Rex (Frames)	2775
GFXBench 4.0 - T-Rex (Fps)	2775
GFXBench 4.0 - Car Chase Offscreen (Frames)	3278
GFXBench 4.0 - Car Chase Offscreen (Fps)	3278
Geekbench - OpenCL	11683
PassMark - G2D Mark	352
PassMark - G3D Mark	2142

Compare specifications (specs)

	AMD Radeon RX 640	AMD Radeon RX 550 (Laptop)
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	not rated
Design		Radeon RX 500 Series
GCN generation		4th Gen
Launch price (MSRP)		$79.99
Price now		$75
Type		Desktop
Value for money (0-100)		56.41
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	640
Pixel fill rate	19.49 GPixel/s
Texture fill rate	38.98 GTexel/s	51.48 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	No outputs
DisplayPort support
HDMI
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x8	PCIe 3.0 x8
Length	5.7 inches (145 mm)
Recommended system power (PSU)	350 Watt	400 Watt
Supplementary power connectors	None
Width	Dual-slot
Laptop size		large
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
Shared memory		0
Technologies
Unified Video Decoder (UVD)
Video Code Engine (VCE)
4K H264 Decode
4K H264 Encode
AMD Eyefinity
AMD Radeon™ Chill
AMD Radeon™ ReLive
AppAcceleration
DisplayPort 1.3 HBR / 1.4 HDR Ready
FreeSync
H265/HEVC Decode
H265/HEVC Encode
HDMI 2.0
HDMI 4K Support
LiquidVR
PowerTune
TrueAudio
Virtual Super Resolution (VSR)