Product comparison · 2 cpus

HP Intel Core i5-661 vs HP Intel Pentium G840

17specifications compared
9differ
8identical
39known for one product only

Key differences

Processor family
- Intel Core i5-661:Intel® Core™ i5
- Intel Pentium G840:Intel Pentium G
Processor model
- Intel Core i5-661:i5-661
- Intel Pentium G840:840
Processor base frequency
- Intel Core i5-661:3.33 GHz
- Intel Pentium G840:2.8 GHz
Processor socket
- Intel Core i5-661:LGA 1156 (Socket H)
- Intel Pentium G840:LGA 1155 (Socket H2)
Processor threads
- Intel Core i5-661:4
- Intel Pentium G840:2
System bus rate
- Intel Core i5-661:2.5 GT/s
- Intel Pentium G840:5 GT/s
Processor cache
- Intel Core i5-661:4 MB
- Intel Pentium G840:3 MB
Thermal Design Power (TDP)
- Intel Core i5-661:87 W
- Intel Pentium G840:65 W

Side by side

Differences highlightedShow differences only

Comparison of Intel Core i5-661, Intel Pentium G840
56 specifications	A HP Intel Core i5-661 View product	B HP Intel Pentium G840 View product
Processor8 differ
Processor familyDiffers	Intel® Core™ i5	Intel Pentium G
Processor generationKnown for one	Intel® Core™ i5	Unknown — not stated by the source
Processor modelDiffers	i5-661	840
Processor base frequencyDiffers	3.33 GHz	2.8 GHz
Processor cores	2	2
Processor socketDiffers	LGA 1156 (Socket H)	LGA 1155 (Socket H2)
Processor lithography	32 nm	32 nm
Package type	Tray	Tray
Processor threadsDiffers	4	2
System bus rateDiffers	2.5 GT/s	5 GT/s
Processor operating modes	64-bit	64-bit
Processor boost frequencyKnown for one	3.6 GHz	Unknown — not stated by the source
Processor cacheDiffers	4 MB	3 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	87 W	65 W
Memory bandwidth supported by processor (max)	21 GB/s	21 GB/s
Component forKnown for one	Unknown — not stated by the source	PC
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	28
Memory1 differ
Maximum internal memory supported by processorDiffers	16 GB	32 GB
Memory types supported by processorKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory clock speeds supported by processor	1066,1333 MHz	1066,1333 MHz
Memory channels	Dual-channel	Dual-channel
Graphicsidentical
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
On-board graphics card modelKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	900 MHz	Unknown — not stated by the source
Number of displays supported (on-board graphics)Known for one	2	Unknown — not stated by the source
Featuresidentical
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	No	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	382 M	Unknown — not stated by the source
Processing Die sizeKnown for one	81 mm²	Unknown — not stated by the source
Number of Graphics & IMC Die TransistorsKnown for one	177 M	Unknown — not stated by the source
Graphics & IMC Die SizeKnown for one	114 mm²	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
Embedded options availableKnown for one	No	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Market segmentKnown for one	Unknown — not stated by the source	Desktop
Processor special featuresidentical
Enhanced Intel SpeedStep TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	No	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	Yes	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Yes	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel® vPro™ Platform EligibilityKnown for one	No	Unknown — not stated by the source
Operational conditionsidentical
TcaseKnown for one	69.8 °C	Unknown — not stated by the source
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)Known for one	VT-x	Unknown — not stated by the source
Temperature (max)Known for one	Unknown — not stated by the source	69.1 °C
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	37.5 mm
DepthKnown for one	Unknown — not stated by the source	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.

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