Product comparison · 2 pcs/workstations

Acer Extensa E261 vs Lenovo ThinkCentre M55p Tower (8811DEG), SP

74specifications compared
17differ
57identical
17known for one product only

Key differences

Processor model
- Extensa E261:E4400
- ThinkCentre M55p Tower (8811DEG), SP:E6400
Processor frequency
- Extensa E261:2 GHz
- ThinkCentre M55p Tower (8811DEG), SP:2.13 GHz
Processor front side bus
- Extensa E261:800 MHz
- ThinkCentre M55p Tower (8811DEG), SP:1066 MHz
CPU multiplier (bus/core ratio)
- Extensa E261:10
- ThinkCentre M55p Tower (8811DEG), SP:8
Total storage capacity
- Extensa E261:160 GB
- ThinkCentre M55p Tower (8811DEG), SP:80 GB
Optical drive type
- Extensa E261:DVD±RW
- ThinkCentre M55p Tower (8811DEG), SP:DVD-ROM
Discrete graphics card model
- Extensa E261:MiRage 3
- ThinkCentre M55p Tower (8811DEG), SP:Intel® GMA 3000
USB 2.0 ports quantity
- Extensa E261:6
- ThinkCentre M55p Tower (8811DEG), SP:10

Side by side

Differences highlightedShow differences only

Comparison of Extensa E261, ThinkCentre M55p Tower (8811DEG), SP
91 specifications	A Acer Extensa E261 View product	B Lenovo ThinkCentre M55p Tower (8811DEG), SP View product
Processor5 differ
Processor modelDiffers	E4400	E6400
Processor frequencyDiffers	2 GHz	2.13 GHz
Processor front side busDiffers	800 MHz	1066 MHz
Processor seriesDiffers	Intel Core 2 Duo E4000 Series	Intel Core 2 Duo E6000 Series
Number of processors installedKnown for one	Unknown — not stated by the source	1
CPU multiplier (bus/core ratio)Differs	10	8
Memoryidentical
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 1 GB
Maximum internal memoryKnown for one	4 GB	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	160 GB	80 GB
Optical drive typeDiffers	DVD±RW	DVD-ROM
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Graphics1 differ
Discrete graphics card modelDiffers	MiRage 3	Intel® GMA 3000
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	6	10
Line-outKnown for one	Unknown — not stated by the source	Yes
Line-inKnown for one	Unknown — not stated by the source	Yes
Headphone outputsKnown for one	1	Unknown — not stated by the source
Microphone inKnown for one	Yes	Unknown — not stated by the source
Serial ports quantityKnown for one	1	Unknown — not stated by the source
Expansion slotsidentical
Expansion slotsKnown for one	Unknown — not stated by the source	1x PCI Express 1X 1x PCI Express 16X 2x PCI
Power1 differ
Power supplyDiffers	250 W	310 W
Designidentical
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Softwareidentical
Bundled softwareKnown for one	Acer Empowering Technology Lite, LANScope Lite, Norton AntiVirus, Adobe Reader, Cyberlink PowerDVD	Unknown — not stated by the source
Processor special features3 differ
Embedded options availableDiffers	No	Yes
Intel Virtualization Technology (VT-x)Differs	No	Yes
Processor ARK IDDiffers	29753	27249
Processor codeKnown for one	E4400	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	Realtek ALC888	ADI 1983 HD
Weight & dimensions3 differ
WidthDiffers	183 mm	178 mm
DepthDiffers	455 mm	450 mm
HeightDiffers	370 mm	432 mm
WeightKnown for one	Unknown — not stated by the source	12.5 kg
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise, Professional

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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