Product comparison · 2 cpus

HP AMD Athlon II X3 455 vs HP AMD Athlon II X4 645

Key differences

Processor family
- AMD Athlon II X3 455:AMD Athlon II X3
- AMD Athlon II X4 645:AMD Athlon II X4
Processor model
- AMD Athlon II X3 455:455
- AMD Athlon II X4 645:645
Processor base frequency
- AMD Athlon II X3 455:3.3 GHz
- AMD Athlon II X4 645:3.1 GHz
Processor cores
- AMD Athlon II X3 455:3
- AMD Athlon II X4 645:4
Processor threads
- AMD Athlon II X3 455:30
- AMD Athlon II X4 645:4
Processor cache
- AMD Athlon II X3 455:1.5 MB
- AMD Athlon II X4 645:2 MB

Differences highlightedShow differences only

Comparison of AMD Athlon II X3 455, AMD Athlon II X4 645
16 specifications	A HP AMD Athlon II X3 455 View product	B HP AMD Athlon II X4 645 View product
Processor6 differ
Processor familyDiffers	AMD Athlon II X3	AMD Athlon II X4
Processor modelDiffers	455	645
Processor base frequencyDiffers	3.3 GHz	3.1 GHz
Processor coresDiffers	3	4
Processor socket	Socket AM3	Socket AM3
Processor lithography	45 nm	45 nm
Component for	PC	PC
Processor threadsDiffers	30	4
Processor operating modes	32-bit, 64-bit	32-bit, 64-bit
Processor cacheDiffers	1.5 MB	2 MB
Processor cache type	L2	L2
Thermal Design Power (TDP)	95 W	95 W
VID Voltage RangeKnown for one	Unknown — not stated by the source	1.05 - 1.4 V
Stepping	C3	C3
Graphicsidentical
On-board graphics card	No	No
Featuresidentical
Market segment	Desktop	Desktop

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.