AMD A4-4020 vs AMD Phenom II X2 555 BE

Comparative analysis of AMD A4-4020 and AMD Phenom II X2 555 BE processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Compatibility, Peripherals, Advanced Technologies, Virtualization. Benchmark processor performance analysis: GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 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).

AMD A4-4020

AMD Phenom II X2 555 BE

Differences

Reasons to consider the AMD A4-4020

CPU is newer: launch date 4 year(s) 1 month(s) later
Around 106150% higher clock speed: 3400 MHz vs 3.2 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 32 nm vs 45 nm
Around 23% lower typical power consumption: 65 Watt vs 80 Watt

Launch date	March 2014 vs January 2010
Maximum frequency	3400 MHz vs 3.2 GHz
Manufacturing process technology	32 nm vs 45 nm
Thermal Design Power (TDP)	65 Watt vs 80 Watt

Reasons to consider the AMD Phenom II X2 555 BE

Processor is unlocked, an unlocked multiplier allows for easier overclocking
2.7x more L1 cache, more data can be stored in the L1 cache for quick access later

Unlocked	Unlocked vs Locked
L1 cache	128 KB (per core) vs 96 KB

Compare benchmarks

CPU 1: AMD A4-4020
CPU 2: AMD Phenom II X2 555 BE

Name	AMD A4-4020	AMD Phenom II X2 555 BE
GFXBench 4.0 - Car Chase Offscreen (Frames)	453
GFXBench 4.0 - Car Chase Offscreen (Fps)	453
PassMark - Single thread mark		1307
PassMark - CPU mark		1296
Geekbench 4 - Single Core		411
Geekbench 4 - Multi-Core		762
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		2.25
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		9.709
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.13
CompuBench 1.5 Desktop - Video Composition (Frames/s)		0.213
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		2.308

Compare specifications (specs)

	AMD A4-4020	AMD Phenom II X2 555 BE
Essentials
Architecture codename	Richland	Callisto
Family	AMD A4-Series
Launch date	March 2014	January 2010
Launch price (MSRP)	$40
Place in performance rating	3030	3036
Processor Number	A4-4020
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3200 MHz
L1 cache	96 KB	128 KB (per core)
L2 cache	1024 KB	512 KB (per core)
Manufacturing process technology	32 nm	45 nm
Maximum core temperature	70 °C
Maximum frequency	3400 MHz	3.2 GHz
Number of cores	2	2
Number of threads	2
Die size		258 mm
L3 cache		6144 KB (shared)
Transistor count		758 million
Unlocked
Memory
Max memory channels	2
Maximum memory bandwidth	21.3 Gb/s
Supported memory types	DDR3-1333	DDR3
Graphics
Graphics base frequency	720 MHz
Number of pipelines	128
Processor graphics	Radeon HD 7480D
Unified Video Decoder (UVD)
Compatibility
Sockets supported	FM2	AM3
Thermal Design Power (TDP)	65 Watt	80 Watt
Max number of CPUs in a configuration		1
Peripherals
PCI Express revision	2.0
Advanced Technologies
Enhanced Virus Protection (EVP)
Fused Multiply-Add 3 (FMA3)
Fused Multiply-Add 4 (FMA4)
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Virtualization
AMD Virtualization (AMD-V™)