Product comparison · 2 cpus

HP AMD Athlon II X4 645 vs HP AMD Phenom II X4 B99

Key differences

Processor family
- AMD Athlon II X4 645:AMD Athlon II X4
- AMD Phenom II X4 B99:AMD Phenom II X4
Processor model
- AMD Athlon II X4 645:645
- AMD Phenom II X4 B99:B99
Processor base frequency
- AMD Athlon II X4 645:3.1 GHz
- AMD Phenom II X4 B99:3.3 GHz

Differences highlightedShow differences only

Comparison of AMD Athlon II X4 645, AMD Phenom II X4 B99
17 specifications	A HP AMD Athlon II X4 645 View product	B HP AMD Phenom II X4 B99 View product
Processor3 differ
Processor familyDiffers	AMD Athlon II X4	AMD Phenom II X4
Processor modelDiffers	645	B99
Processor base frequencyDiffers	3.1 GHz	3.3 GHz
Processor cores	4	4
Processor socket	Socket AM3	Socket AM3
Processor lithography	45 nm	45 nm
Component for	PC	PC
Processor threads	4	4
Processor operating modes	32-bit, 64-bit	32-bit, 64-bit
Processor cache	2 MB	2 MB
Processor cache type	L2	L2
Thermal Design Power (TDP)	95 W	95 W
VID Voltage RangeKnown for one	1.05 - 1.4 V	Unknown — not stated by the source
SteppingKnown for one	C3	Unknown — not stated by the source
Graphicsidentical
On-board graphics card	No	No
Featuresidentical
Market segment	Desktop	Desktop
Processor special featuresidentical
AMD Virtualization TechnologyKnown for one	Unknown — not stated by the source	Yes

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.