AMD Phenom II X2 X640 BE vs AMD Athlon II X4 620e

Comparative analysis of AMD Phenom II X2 X640 BE and AMD Athlon II X4 620e processors for all known characteristics in the following categories: Essentials, Performance, Compatibility, Advanced Technologies, Virtualization, Memory. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

AMD Phenom II X2 X640 BE

AMD Athlon II X4 620e

Differences

Reasons to consider the AMD Phenom II X2 X640 BE

Around 23% higher clock speed: 3.2 GHz vs 2.6 GHz

Maximum frequency	3.2 GHz vs 2.6 GHz

Reasons to consider the AMD Athlon II X4 620e

2 more cores, run more applications at once: 4 vs 2
2 more threads: 4 vs 2
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2.5x better performance in PassMark - CPU mark: 2906 vs 1165

Specifications (specs)
Number of cores	4 vs 2
Number of threads	4 vs 2
L1 cache	128 KB (per core) vs 256 KB
Benchmarks
PassMark - CPU mark	2906 vs 1165

Compare benchmarks

CPU 1: AMD Phenom II X2 X640 BE
CPU 2: AMD Athlon II X4 620e

PassMark - CPU mark

CPU 1

CPU 2

1165

2906

Name	AMD Phenom II X2 X640 BE	AMD Athlon II X4 620e
PassMark - Single thread mark	1142	0
PassMark - CPU mark	1165	2906

Compare specifications (specs)

	AMD Phenom II X2 X640 BE	AMD Athlon II X4 620e
Essentials
Architecture codename	Champlain	Propus
Launch date	12 May 2011	May 2011
Place in performance rating	2140	3316
Series	2x AMD Phenom II	AMD Athlon II X4
Vertical segment	Laptop	Desktop
Family		AMD Athlon Processors
OPN PIB		AD620EHDGMBOX
OPN Tray		AD620EHDK42GM
Performance
64 bit support
Front-side bus (FSB)	3600 MHz
L1 cache	256 KB	128 KB (per core)
L2 cache	2 MB	512 KB (per core)
Manufacturing process technology	45 nm	45 nm
Maximum frequency	3.2 GHz	2.6 GHz
Number of cores	2	4
Number of threads	2	4
Base frequency		2.7 GHz
Die size		169 mm
Transistor count		300 million
Unlocked
Compatibility
Sockets supported	S1	AM3
Thermal Design Power (TDP)	45 Watt	45 Watt
Max number of CPUs in a configuration		1
Advanced Technologies
VirusProtect
Virtualization
AMD Virtualization (AMD-V™)
Memory
Supported memory types		DDR3