Product comparison · 2 cpus

Acer Intel Core i7-870 vs Acer Intel Xeon E5645

35specifications compared
21differ
14identical
12known for one product only

Key differences

The Acer Intel Core i7-870 has 0.53 GHz more processor base frequency than the Acer Intel Xeon E5645 (2.93 GHz vs 2.4 GHz). The Acer Intel Xeon E5645 has 2 more processor cores than the Acer Intel Core i7-870 (6 vs 4). The Acer Intel Core i7-870 has 13 nm more processor lithography than the Acer Intel Xeon E5645 (45 nm vs 32 nm). Only the Acer Intel Xeon E5645 has ECC. Only the Acer Intel Xeon E5645 has Intel® AES New Instructions (Intel® AES-NI).

Processor family
- Intel Core i7-870:Intel® Core™ i7
- Intel Xeon E5645:Intel® Xeon® 5000 Sequence
Processor model
- Intel Core i7-870:i7-870
- Intel Xeon E5645:E5645
Processor base frequency
- Intel Core i7-870:2.93 GHz
- Intel Xeon E5645:2.4 GHz
Processor cores
- Intel Core i7-870:4
- Intel Xeon E5645:6
Processor socket
- Intel Core i7-870:LGA 1156 (Socket H)
- Intel Xeon E5645:Socket B (LGA 1366)
Processor lithography
- Intel Core i7-870:45 nm
- Intel Xeon E5645:32 nm
Component for
- Intel Core i7-870:PC
- Intel Xeon E5645:Server/workstation
Processor threads
- Intel Core i7-870:8
- Intel Xeon E5645:12

Side by side

Differences highlightedShow differences only

Comparison of Intel Core i7-870, Intel Xeon E5645
47 specifications	A Acer Intel Core i7-870 View product	B Acer Intel Xeon E5645 View product
Processor14 differ
Processor familyDiffers	Intel® Core™ i7	Intel® Xeon® 5000 Sequence
Processor generationKnown for one	Intel® Core™ i7	Unknown — not stated by the source
Processor modelDiffers	i7-870	E5645
Processor base frequencyDiffers	2.93 GHz	2.4 GHz
Processor coresDiffers	4	6
Processor socketDiffers	LGA 1156 (Socket H)	Socket B (LGA 1366)
Processor lithographyDiffers	45 nm	32 nm
Component forDiffers	PC	Server/workstation
Processor threadsDiffers	8	12
System bus rateDiffers	2.5 GT/s	5.86 GT/s
Processor boost frequencyDiffers	3.6 GHz	2.67 GHz
Processor cacheDiffers	8 MB	12 MB
Thermal Design Power (TDP)Differs	95 W	80 W
VID Voltage RangeDiffers	0.6500 - 1.4000 V	0.75 - 1.35 V
Memory bandwidth supported by processor (max)Differs	21 GB/s	32 GB/s
Package typeKnown for one	Unknown — not stated by the source	Tray
L3 cache speedKnown for one	Unknown — not stated by the source	2.4 GHz
Processor front side busKnown for one	Unknown — not stated by the source	1333 MHz
SteppingKnown for one	Unknown — not stated by the source	B1
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	18
Memory4 differ
Maximum internal memory supported by processorDiffers	16 GB	288 GB
Memory clock speeds supported by processorDiffers	1066,1333 MHz	800,1066,1333 MHz
Memory channelsDiffers	Dual-channel	Triple-channel
ECCDiffers	No	Yes
Features1 differ
Thermal Monitoring TechnologiesKnown for one	No	Unknown — not stated by the source
Market segmentDiffers	Desktop	Server
PCI Express slots versionKnown for one	2.0	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
Processor special features2 differ
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel Demand Based SwitchingDiffers	No	Yes
Intel® vPro™ Platform EligibilityKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
TcaseKnown for one	Unknown — not stated by the source	76.2 °C

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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