Product comparison · 2 cpus

Acer Intel Core i5-661 vs Acer Intel Core i7-870

36specifications compared
13differ
23identical
9known for one product only

Key differences

Processor family
- Intel Core i5-661:Intel® Core™ i5
- Intel Core i7-870:Intel® Core™ i7
Processor generation
- Intel Core i5-661:Intel® Core™ i5
- Intel Core i7-870:Intel® Core™ i7
Processor model
- Intel Core i5-661:i5-661
- Intel Core i7-870:i7-870
Processor base frequency
- Intel Core i5-661:3.33 GHz
- Intel Core i7-870:2.93 GHz
Processor cores
- Intel Core i5-661:2
- Intel Core i7-870:4
Processor lithography
- Intel Core i5-661:32 nm
- Intel Core i7-870:45 nm
Processor threads
- Intel Core i5-661:4
- Intel Core i7-870:8
Processor cache
- Intel Core i5-661:4 MB
- Intel Core i7-870:8 MB

Side by side

Differences highlightedShow differences only

Comparison of Intel Core i5-661, Intel Core i7-870
45 specifications	A Acer Intel Core i5-661 View product	B Acer Intel Core i7-870 View product
Processor9 differ
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor generationDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor modelDiffers	i5-661	i7-870
Processor base frequencyDiffers	3.33 GHz	2.93 GHz
Processor coresDiffers	2	4
Processor lithographyDiffers	32 nm	45 nm
Processor threadsDiffers	4	8
Processor cacheDiffers	4 MB	8 MB
Thermal Design Power (TDP)Differs	87 W	95 W
Memoryidentical
ECCKnown for one	Unknown — not stated by the source	No
Graphics1 differ
On-board graphics cardDiffers	Yes	No
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
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.2
Embedded options availableKnown for one	Unknown — not stated by the source	No
Processor special features2 differ
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	No
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	Yes
Intel® vPro™ Platform EligibilityDiffers	No	Yes
Other features1 differ
Intel® Virtualization Technology (Intel® VT)Differs	VT-x	VT-d, VT-x
Operational conditionsidentical
TcaseKnown for one	69.8 °C	Unknown — not stated by the source

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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