Product comparison · 2 cpus

Acer Intel Pentium G2020 vs Acer Intel Pentium G640

38specifications compared
10differ
28identical
13known for one product only

Key differences

Processor family
- Intel Pentium G2020:Intel® Pentium®
- Intel Pentium G640:Intel Pentium G
Processor model
- Intel Pentium G2020:G2020
- Intel Pentium G640:G640
Processor base frequency
- Intel Pentium G2020:2.9 GHz
- Intel Pentium G640:2.8 GHz
Processor lithography
- Intel Pentium G2020:22 nm
- Intel Pentium G640:32 nm
Thermal Design Power (TDP)
- Intel Pentium G2020:55 W
- Intel Pentium G640:65 W
Memory bandwidth supported by processor (max)
- Intel Pentium G2020:21 GB/s
- Intel Pentium G640:17 GB/s
Memory clock speeds supported by processor
- Intel Pentium G2020:1333 MHz
- Intel Pentium G640:1066 MHz
On-board graphics card base frequency
- Intel Pentium G2020:650 MHz
- Intel Pentium G640:850 MHz

Side by side

Differences highlightedShow differences only

Comparison of Intel Pentium G2020, Intel Pentium G640
51 specifications	A Acer Intel Pentium G2020 View product	B Acer Intel Pentium G640 View product
Processor6 differ
Processor familyDiffers	Intel® Pentium®	Intel Pentium G
Processor modelDiffers	G2020	G640
Processor base frequencyDiffers	2.9 GHz	2.8 GHz
Processor cores	2	2
Processor socket	LGA 1155 (Socket H2)	LGA 1155 (Socket H2)
Processor lithographyDiffers	22 nm	32 nm
Package type	Tray	Tray
Component for	PC	PC
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)Differs	55 W	65 W
Compatible chipsetsKnown for one	Unknown — not stated by the source	Intel® B65 Express, Intel® B75 Express, Intel® H61 Express, Intel® H67 Express, Intel® H77 Express, Intel® P67 Express, Intel® Q65 Express, Intel® Q67 Express, Intel Q75 Express, Intel® Q77 Express, Intel® Z68 Express, Intel® Z75 Express, Intel® Z77 Express
SteppingKnown for one	Unknown — not stated by the source	Q0
Bus type	DMI	DMI
Memory bandwidth supported by processor (max)Differs	21 GB/s	17 GB/s
Processor codeKnown for one	Unknown — not stated by the source	SR059
L3 cache speedKnown for one	2.9 GHz	Unknown — not stated by the source
Memory1 differ
Maximum internal memory supported by processor	32 GB	32 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	1333 MHz	1066 MHz
Memory channels	Dual-channel	Dual-channel
ECCKnown for one	Yes	Unknown — not stated by the source
Graphics2 differ
On-board graphics card	Yes	Yes
On-board graphics card model	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card base frequencyDiffers	650 MHz	850 MHz
On-board graphics card dynamic frequency (max)Differs	1050 MHz	1100 MHz
Number of displays supported (on-board graphics)Known for one	3	Unknown — not stated by the source
Features1 differ
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Thermal Monitoring Technologies	Yes	Yes
Market segment	Desktop	Desktop
PCI Express slots version	2.0	2.0
Supported instruction sets	SSE4.1, SSE4.2	SSE4.1, SSE4.2
CPU configuration (max)	1	1
Graphics & IMC lithographyDiffers	22 nm	32 nm
PCI Express configurationsKnown for one	1x16, 2x8, 1x8+2x4	Unknown — not stated by the source
Thermal solution specificationKnown for one	PCG 2011C	Unknown — not stated by the source
Processor special featuresidentical
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel FDI TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel® Smart Cache	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Conflict-Free processorKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
TcaseKnown for one	Unknown — not stated by the source	69.1 °C
Weight & dimensionsidentical
Processor package size	37.5 mm	37.5 mm
Other featuresidentical
Intel® Virtualization Technology (Intel® VT)	VT-x	VT-x

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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