Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A57 + Microsoft Office Small Business 2007 vs Lenovo ThinkCentre M57p + Office Basic 2007

83specifications compared
26differ
57identical
22known for one product only

Key differences

The Lenovo ThinkCentre M57p + Office Basic 2007 has 0.8 GHz more processor frequency than the Lenovo ThinkCentre A57 + Microsoft Office Small Business 2007 (3 GHz vs 2.2 GHz). The Lenovo ThinkCentre M57p + Office Basic 2007 has 5 MB more processor cache than the Lenovo ThinkCentre A57 + Microsoft Office Small Business 2007 (6 MB vs 1 MB). The Lenovo ThinkCentre M57p + Office Basic 2007 has 533 MHz more processor front side bus than the Lenovo ThinkCentre A57 + Microsoft Office Small Business 2007 (1333 MHz vs 800 MHz). Only the Lenovo ThinkCentre M57p + Office Basic 2007 has embedded options available. Only the Lenovo ThinkCentre M57p + Office Basic 2007 has Intel Trusted Execution Technology.

Processor family
- ThinkCentre A57 + Microsoft Office Small Business 2007:Intel® Pentium®
- ThinkCentre M57p + Office Basic 2007:Intel® Core™2 Duo
Processor model
- ThinkCentre A57 + Microsoft Office Small Business 2007:E2200
- ThinkCentre M57p + Office Basic 2007:E8400
Processor frequency
- ThinkCentre A57 + Microsoft Office Small Business 2007:2.2 GHz
- ThinkCentre M57p + Office Basic 2007:3 GHz
Processor cache
- ThinkCentre A57 + Microsoft Office Small Business 2007:1 MB
- ThinkCentre M57p + Office Basic 2007:6 MB
Processor front side bus
- ThinkCentre A57 + Microsoft Office Small Business 2007:800 MHz
- ThinkCentre M57p + Office Basic 2007:1333 MHz
Processor lithography
- ThinkCentre A57 + Microsoft Office Small Business 2007:65 nm
- ThinkCentre M57p + Office Basic 2007:45 nm
Processor codename
- ThinkCentre A57 + Microsoft Office Small Business 2007:Conroe
- ThinkCentre M57p + Office Basic 2007:Wolfdale
Tcase
- ThinkCentre A57 + Microsoft Office Small Business 2007:73.3 °C
- ThinkCentre M57p + Office Basic 2007:72.4 °C

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A57 + Microsoft Office Small Business 2007, ThinkCentre M57p + Office Basic 2007
105 specifications	A Lenovo ThinkCentre A57 + Microsoft Office Small Business 2007 View product	B Lenovo ThinkCentre M57p + Office Basic 2007 View product
Processor13 differ
Processor familyDiffers	Intel® Pentium®	Intel® Core™2 Duo
Processor modelDiffers	E2200	E8400
Processor frequencyDiffers	2.2 GHz	3 GHz
Processor cacheDiffers	1 MB	6 MB
Processor front side busDiffers	800 MHz	1333 MHz
Processor lithographyDiffers	65 nm	45 nm
Processor seriesDiffers	Intel Pentium E2000 Series for Desktop	Intel Core 2 Duo E8000 Series
Processor codenameDiffers	Conroe	Wolfdale
TcaseDiffers	73.3 °C	72.4 °C
Number of processors installedKnown for one	1	Unknown — not stated by the source
Number of Processing Die TransistorsDiffers	105 M	410 M
Processing Die sizeDiffers	77 mm²	107 mm²
CPU multiplier (bus/core ratio)Differs	11	9
SteppingDiffers	M0	E0
Memory3 differ
Internal memoryDiffers	1 GB	2 GB
Maximum internal memoryDiffers	4 GB	8 GB
Memory layout (slots x size)Differs	1 x 1 GB	2 x 1 GB
Memory clock speedKnown for one	667 MHz	Unknown — not stated by the source
Storage1 differ
Total storage capacityDiffers	160 GB	320 GB
Card reader integratedKnown for one	No	Unknown — not stated by the source
Graphicsidentical
On-board graphics card modelKnown for one	Unknown — not stated by the source	Not available
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	6	8
Headphone outputsDiffers	2	1
Expansion slotsidentical
PCI Express x1 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
PCI slotsKnown for one	2	Unknown — not stated by the source
Poweridentical
Power requirementsKnown for one	120/230 V ( 50/60 Hz )	Unknown — not stated by the source
Power consumption (typical)Known for one	310 W	Unknown — not stated by the source
Power supplyKnown for one	Unknown — not stated by the source	280 W
Power supply input voltageKnown for one	Unknown — not stated by the source	115 - 230 V
Power supply input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Softwareidentical
Bundled softwareKnown for one	Microsoft Office Small Business 2007	Unknown — not stated by the source
Processor special features5 differ
Embedded options availableDiffers	No	Yes
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel Virtualization Technology (VT-x)Differs	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Processor ARK IDDiffers	33925	33910
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	45 nm
Processor codeKnown for one	Unknown — not stated by the source	SLB9J
Audio1 differ
Audio systemDiffers	High Definition Audio	AD1882
Operational conditionsidentical
Operating temperature (T-T)Known for one	10 - 35 °C	Unknown — not stated by the source
Relative humidityKnown for one	10 - 80%	Unknown — not stated by the source
Ergonomicsidentical
Acoustic pressure emissionsKnown for one	29 dB	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	11 kg	10.2 kg
Packaging contentidentical
Mouse includedKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
CertificationKnown for one	CE, UL, TUV GS, C-Tick, BSMI, VCCI Class B ITE, GOST, BSMI CNS 13438 Class B, GS, NOM, SABS, SASO, CB, CCC, EMC, DOC, ACPI 2.3, ACA	Unknown — not stated by the source
Other featuresidentical
Drive baysKnown for one	2 ( 1 ) x 5.25" x 1/2H, 1 ( 1 ) x 3.5" x 1/3H	Unknown — not stated by the source
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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