Product comparison · 2 cpus

Acer Intel Celeron G540 vs Acer Intel Pentium G640

42specifications compared
7differ
35identical
6known for one product only

Key differences

The Acer Intel Pentium G640 has 0.3 GHz more processor base frequency than the Acer Intel Celeron G540 (2.8 GHz vs 2.5 GHz). The Acer Intel Pentium G640 has 1 MB more processor cache than the Acer Intel Celeron G540 (3 MB vs 2 MB). The Acer Intel Celeron G540 has 4 GB/s more memory bandwidth supported by processor (max) than the Acer Intel Pentium G640 (21 GB/s vs 17 GB/s). Processor family: Intel® Celeron® G on the Acer Intel Celeron G540, Intel Pentium G on the Acer Intel Pentium G640. Processor model: G540 on the Acer Intel Celeron G540, G640 on the Acer Intel Pentium G640.

Processor family
- Intel Celeron G540:Intel® Celeron® G
- Intel Pentium G640:Intel Pentium G
Processor model
- Intel Celeron G540:G540
- Intel Pentium G640:G640
Processor base frequency
- Intel Celeron G540:2.5 GHz
- Intel Pentium G640:2.8 GHz
Processor cache
- Intel Celeron G540:2 MB
- Intel Pentium G640:3 MB
Memory bandwidth supported by processor (max)
- Intel Celeron G540:21 GB/s
- Intel Pentium G640:17 GB/s
On-board graphics card dynamic frequency (max)
- Intel Celeron G540:1000 MHz
- Intel Pentium G640:1100 MHz

Side by side

Differences highlightedShow differences only

Comparison of Intel Celeron G540, Intel Pentium G640
48 specifications	A Acer Intel Celeron G540 View product	B Acer Intel Pentium G640 View product
Processor6 differ
Processor familyDiffers	Intel® Celeron® G	Intel Pentium G
Processor modelDiffers	G540	G640
Processor base frequencyDiffers	2.5 GHz	2.8 GHz
Processor cores	2	2
Processor socket	LGA 1155 (Socket H2)	LGA 1155 (Socket H2)
Processor lithography	32 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 cacheDiffers	2 MB	3 MB
Processor cache type	L3	L3
L3 cache speedKnown for one	2.5 GHz	Unknown — not stated by the source
Thermal Design Power (TDP)	65 W	65 W
Compatible chipsetsDiffers	Intel® B65 Express, Intel® B75 Express, Intel® C206, 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	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
CPU multiplier (bus/core ratio)Known for one	25	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Differs	21 GB/s	17 GB/s
Processor codeKnown for one	Unknown — not stated by the source	SR059
Memoryidentical
Maximum internal memory supported by processor	32 GB	32 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processor	1066 MHz	1066 MHz
Memory channels	Dual-channel	Dual-channel
Graphics1 differ
On-board graphics card	Yes	Yes
On-board graphics card model	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card base frequency	850 MHz	850 MHz
On-board graphics card dynamic frequency (max)Differs	1000 MHz	1100 MHz
Featuresidentical
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
Embedded options availableKnown for one	Yes	Unknown — not stated by the source
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	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 Cache	Yes	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Operational conditionsidentical
Tcase	69.1 °C	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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