Product comparison · 2 cpus

Acer Intel Core i5-661 vs Acer Intel Pentium E6800

20specifications compared
9differ
11identical
33known for one product only

Key differences

Processor family
- Intel Core i5-661:Intel® Core™ i5
- Intel Pentium E6800:Intel® Pentium®
Processor model
- Intel Core i5-661:i5-661
- Intel Pentium E6800:E6800
Processor socket
- Intel Core i5-661:LGA 1156 (Socket H)
- Intel Pentium E6800:LGA 775 (Socket T)
Processor lithography
- Intel Core i5-661:32 nm
- Intel Pentium E6800:45 nm
Processor cache
- Intel Core i5-661:4 MB
- Intel Pentium E6800:2 MB
Thermal Design Power (TDP)
- Intel Core i5-661:87 W
- Intel Pentium E6800:65 W
VID Voltage Range
- Intel Core i5-661:0.6500 - 1.4000 V
- Intel Pentium E6800:0.8500 - 1.3625 V
Thermal Monitoring Technologies
- Intel Core i5-661:No
- Intel Pentium E6800:Yes

Side by side

Differences highlightedShow differences only

Comparison of Intel Core i5-661, Intel Pentium E6800
53 specifications	A Acer Intel Core i5-661 View product	B Acer Intel Pentium E6800 View product
Processor7 differ
Processor familyDiffers	Intel® Core™ i5	Intel® Pentium®
Processor generationKnown for one	Intel® Core™ i5	Unknown — not stated by the source
Processor modelDiffers	i5-661	E6800
Processor socketDiffers	LGA 1156 (Socket H)	LGA 775 (Socket T)
Processor lithographyDiffers	32 nm	45 nm
Processor threadsKnown for one	4	Unknown — not stated by the source
System bus rateKnown for one	2.5 GT/s	Unknown — not stated by the source
Processor boost frequencyKnown for one	3.6 GHz	Unknown — not stated by the source
Processor cacheDiffers	4 MB	2 MB
Thermal Design Power (TDP)Differs	87 W	65 W
VID Voltage RangeDiffers	0.6500 - 1.4000 V	0.8500 - 1.3625 V
Memory bandwidth supported by processor (max)Known for one	21 GB/s	Unknown — not stated by the source
Package typeKnown for one	Unknown — not stated by the source	Tray
L3 cache speedKnown for one	Unknown — not stated by the source	3.33 GHz
Processor front side busKnown for one	Unknown — not stated by the source	1066 MHz
Compatible chipsetsKnown for one	Unknown — not stated by the source	Intel® G31 Express, Intel® G33 Express, Intel® G35 Express, Intel® G41 Express, Intel® G43 Express, Intel® G45 Express, Intel® P31 Express, Intel® P35 Express, Intel® P43 Express, Intel® P45 Express, Intel® Q33 Express, Intel® Q35 Express, Intel® Q43 Express, Intel® Q45 Express, Intel® X38 Express,
SteppingKnown for one	Unknown — not stated by the source	R0
Processor codeKnown for one	Unknown — not stated by the source	SLGUE
Memoryidentical
Maximum internal memory supported by processorKnown for one	16 GB	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory clock speeds supported by processorKnown for one	1066,1333 MHz	Unknown — not stated by the source
Memory channelsKnown for one	Dual-channel	Unknown — not stated by the source
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
Features1 differ
Thermal Monitoring TechnologiesDiffers	No	Yes
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	228 M
Processing Die sizeKnown for one	Unknown — not stated by the source	82 mm²
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE2, SSE3, SSSE3
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	45 nm
Processor special featuresidentical
Intel Trusted Execution TechnologyKnown for one	No	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® vPro™ Platform EligibilityKnown for one	No	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Operational conditions1 differ
TcaseDiffers	69.8 °C	74.1 °C
Weight & dimensionsidentical
Processor package sizeKnown 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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