Product comparison · 2 cpus

HP G620 processor vs HP G840 processor

Key differences

Processor model
- G620 processor:G620
- G840 processor:G840
Processor base frequency
- G620 processor:2.6 GHz
- G840 processor:2.8 GHz
CPU multiplier (bus/core ratio)
- G620 processor:26
- G840 processor:28
Memory clock speeds supported by processor
- G620 processor:1066 MHz
- G840 processor:1066,1333 MHz

Differences highlightedShow differences only

Comparison of G620, G840
21 specifications	A HP G620 processor Model G620 View product	B HP G840 processor Model G840 View product
Processor3 differ
Processor family	Intel Pentium G	Intel Pentium G
Processor modelDiffers	G620	G840
Processor base frequencyDiffers	2.6 GHz	2.8 GHz
Processor cores	2	2
Processor socket	LGA 1155 (Socket H2)	LGA 1155 (Socket H2)
Processor lithography	32 nm	32 nm
Package type	Tray	Tray
Processor threads	2	2
System bus rate	5 GT/s	5 GT/s
Processor operating modes	64-bit	64-bit
Processor cache	3 MB	3 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)	65 W	65 W
CPU multiplier (bus/core ratio)Differs	26	28
Memory bandwidth supported by processor (max)	21 GB/s	21 GB/s
Memory1 differ
Maximum internal memory supported by processor	32 GB	32 GB
Memory clock speeds supported by processorDiffers	1066 MHz	1066,1333 MHz
Memory channels	Dual-channel	Dual-channel
Operational conditionsidentical
Maximum operating temperature	69.1 °C	69.1 °C
Weight & dimensionsidentical
Width	37.5 mm	37.5 mm
Height	37.5 mm	37.5 mm

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.