Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A57 T vs Lenovo ThinkCentre M57 Eco

88specifications compared
27differ
61identical
25known for one product only

Key differences

The Lenovo ThinkCentre M57 Eco has 0.13 GHz more processor frequency than the Lenovo ThinkCentre A57 T (2.66 GHz vs 2.53 GHz). The Lenovo ThinkCentre M57 Eco has 3 MB more processor cache than the Lenovo ThinkCentre A57 T (6 MB vs 3 MB). The Lenovo ThinkCentre M57 Eco has 267 MHz more processor front side bus than the Lenovo ThinkCentre A57 T (1333 MHz vs 1066 MHz). Only the Lenovo ThinkCentre M57 Eco has Intel Trusted Execution Technology. Only the Lenovo ThinkCentre M57 Eco has Intel Virtualization Technology (VT-x).

Processor model
- ThinkCentre A57 T:E7200
- ThinkCentre M57 Eco:E8200
Processor frequency
- ThinkCentre A57 T:2.53 GHz
- ThinkCentre M57 Eco:2.66 GHz
Processor cache
- ThinkCentre A57 T:3 MB
- ThinkCentre M57 Eco:6 MB
Processor front side bus
- ThinkCentre A57 T:1066 MHz
- ThinkCentre M57 Eco:1333 MHz
Tcase
- ThinkCentre A57 T:74.1 °C
- ThinkCentre M57 Eco:72.4 °C
Number of Processing Die Transistors
- ThinkCentre A57 T:228 M
- ThinkCentre M57 Eco:410 M
Processing Die size
- ThinkCentre A57 T:82 mm²
- ThinkCentre M57 Eco:107 mm²
CPU multiplier (bus/core ratio)
- ThinkCentre A57 T:9.5
- ThinkCentre M57 Eco:8

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A57 T, ThinkCentre M57 Eco
113 specifications	A Lenovo ThinkCentre A57 T View product	B Lenovo ThinkCentre M57 Eco View product
Processor10 differ
Processor modelDiffers	E7200	E8200
Processor frequencyDiffers	2.53 GHz	2.66 GHz
Processor cacheDiffers	3 MB	6 MB
Processor front side busDiffers	1066 MHz	1333 MHz
Processor seriesDiffers	Intel Core 2 Duo E7000 Series	Intel Core 2 Duo E8000 Series
TcaseDiffers	74.1 °C	72.4 °C
Number of processors installedKnown for one	Unknown — not stated by the source	1
Number of Processing Die TransistorsDiffers	228 M	410 M
Processing Die sizeDiffers	82 mm²	107 mm²
CPU multiplier (bus/core ratio)Differs	9.5	8
Maximum number of SMP processorsKnown for one	Unknown — not stated by the source	1
SteppingDiffers	M0	C0
Memoryidentical
Memory slotsKnown for one	2x DIMM	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	320 GB	160 GB
Optical drive typeDiffers	DVD Super Multi	DVD±RW
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Graphicsidentical
On-board graphics card modelKnown for one	Not available	Unknown — not stated by the source
Networkidentical
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	1000 Mbit/s
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	8	6
DVI portKnown for one	Unknown — not stated by the source	Yes
PS/2 ports quantityDiffers	2	0
Serial ports quantityDiffers	0	1
Expansion slots1 differ
PCI slotsDiffers	2	1
PCI Express x1 slotsKnown for one	1	Unknown — not stated by the source
Power1 differ
Power requirementsDiffers	110-220 V (50/60Hz)	120/230 V ( 50/60 Hz )
Power supplyKnown for one	Unknown — not stated by the source	120 W
Power consumption (typical)Known for one	280 W	Unknown — not stated by the source
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	IBM
External drive baysKnown for one	Unknown — not stated by the source	1 - 5,25" x 1/6H (Slim Line)
Internal drive baysKnown for one	Unknown — not stated by the source	1 - 3.5" x 1/3H
Chassis typeKnown for one	Tower	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows XP Professional	Windows Vista Business
Processor special features4 differ
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel Virtualization Technology (VT-x)Differs	No	Yes
Processor ARK IDDiffers	35348	33909
Processor codeKnown for one	Unknown — not stated by the source	SLAPP
Processor package sizeDiffers	37.5 mm	37.5 x 37.5 mm
Audio1 differ
Audio systemDiffers	ALC662	High Definition Audio
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	10 - 35 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 80%
Ergonomicsidentical
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	27 dB
Weight & dimensions4 differ
WidthDiffers	175 mm	275 mm
DepthDiffers	440 mm	242 mm
HeightDiffers	402 mm	81 mm
WeightDiffers	11 kg	3.7 kg
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	CE, UL, TUV GS, C-Tick, ISO 9241-3, VCCI Class B ITE, GOST, BSMI CNS 13438 Class B, cUL, NOM, SABS, SASO, CB, FCC Part 15 B, CCC, IRAM, RoHS, 80 PLUS, ACA
Other featuresidentical
Security featuresKnown for one	Unknown — not stated by the source	TPM 1.2
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise, Professional
Packaging contentidentical
Mouse includedKnown for one	Yes	Unknown — not stated by the source

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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