Product comparison · 2 cpus

Acer Intel Pentium B950 vs Acer Intel Pentium G640

40specifications compared
14differ
26identical
10known for one product only

Key differences

The Acer Intel Pentium G640 has 0.7 GHz more processor base frequency than the Acer Intel Pentium B950 (2.8 GHz vs 2.1 GHz). The Acer Intel Pentium G640 has 1 MB more processor cache than the Acer Intel Pentium B950 (3 MB vs 2 MB). The Acer Intel Pentium G640 has 30 W more thermal Design Power (TDP) than the Acer Intel Pentium B950 (65 W vs 35 W). Processor family: Intel® Pentium® on the Acer Intel Pentium B950, Intel Pentium G on the Acer Intel Pentium G640. Processor model: B950 on the Acer Intel Pentium B950, G640 on the Acer Intel Pentium G640.

Processor family
- Intel Pentium B950:Intel® Pentium®
- Intel Pentium G640:Intel Pentium G
Processor model
- Intel Pentium B950:B950
- Intel Pentium G640:G640
Processor base frequency
- Intel Pentium B950:2.1 GHz
- Intel Pentium G640:2.8 GHz
Processor socket
- Intel Pentium B950:PGA988
- Intel Pentium G640:LGA 1155 (Socket H2)
Component for
- Intel Pentium B950:Laptop
- Intel Pentium G640:PC
Processor cache
- Intel Pentium B950:2 MB
- Intel Pentium G640:3 MB
Thermal Design Power (TDP)
- Intel Pentium B950:35 W
- Intel Pentium G640:65 W
Memory bandwidth supported by processor (max)
- Intel Pentium B950:21.3 GB/s
- Intel Pentium G640:17 GB/s

Side by side

Differences highlightedShow differences only

Comparison of Intel Pentium B950, Intel Pentium G640
50 specifications	A Acer Intel Pentium B950 View product	B Acer Intel Pentium G640 View product
Processor10 differ
Processor familyDiffers	Intel® Pentium®	Intel Pentium G
Processor modelDiffers	B950	G640
Processor base frequencyDiffers	2.1 GHz	2.8 GHz
Processor cores	2	2
Processor socketDiffers	PGA988	LGA 1155 (Socket H2)
Processor lithography	32 nm	32 nm
Package type	Tray	Tray
Component forDiffers	Laptop	PC
Processor threads	2	2
System bus rate	5 GT/s	5 GT/s
Processor operating modes	64-bit	64-bit
Processor cacheDiffers	2 MB	3 MB
Processor cache type	L3	L3
Thermal Design Power (TDP)Differs	35 W	65 W
Compatible chipsetsDiffers	Intel® HM65 Express, Intel HM67 Express	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
Stepping	Q0	Q0
Bus type	DMI	DMI
Memory bandwidth supported by processor (max)Differs	21.3 GB/s	17 GB/s
Processor codeDiffers	SR07T	SR059
Memory2 differ
Maximum internal memory supported by processorDiffers	16 GB	32 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	1066,1333 MHz	1066 MHz
Memory channels	Dual-channel	Dual-channel
ECCKnown for one	No	Unknown — not stated by the source
Graphics1 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)	1100 MHz	1100 MHz
Number of displays supported (on-board graphics)Known for one	2	Unknown — not stated by the source
Features1 differ
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Thermal Monitoring Technologies	Yes	Yes
Market segmentDiffers	Mobile	Desktop
Maximum number of PCI Express lanesKnown for one	1	Unknown — not stated by the source
PCI Express slots version	2.0	2.0
PCI Express configurationsKnown for one	1x16, 2x8, 1x8+2x4	Unknown — not stated by the source
Supported instruction sets	SSE4.1, SSE4.2	SSE4.1, SSE4.2
CPU configuration (max)	1	1
Graphics & IMC lithography	32 nm	32 nm
Processor special featuresidentical
Enhanced Intel SpeedStep Technology	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology (VT-x)Known for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
TjunctionKnown for one	85 °C	Unknown — not stated by the source
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)Known for one	Unknown — not stated by the source	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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