Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A57 T vs Lenovo ThinkCentre M57e

83specifications compared
21differ
62identical
20known for one product only

Key differences

Processor family
- ThinkCentre A57 T:Intel® Core™2 Duo
- ThinkCentre M57e:Intel® Pentium®
Processor model
- ThinkCentre A57 T:E7200
- ThinkCentre M57e:E2200
Processor frequency
- ThinkCentre A57 T:2.53 GHz
- ThinkCentre M57e:2.2 GHz
Processor cache
- ThinkCentre A57 T:3 MB
- ThinkCentre M57e:1 MB
Processor front side bus
- ThinkCentre A57 T:1066 MHz
- ThinkCentre M57e:800 MHz
Processor lithography
- ThinkCentre A57 T:45 nm
- ThinkCentre M57e:65 nm
Processor codename
- ThinkCentre A57 T:Wolfdale
- ThinkCentre M57e:Conroe
Tcase
- ThinkCentre A57 T:74.1 °C
- ThinkCentre M57e:73.3 °C

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A57 T, ThinkCentre M57e
103 specifications	A Lenovo ThinkCentre A57 T View product	B Lenovo ThinkCentre M57e View product
Processor12 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™2 Duo	Intel® Pentium®
Processor modelDiffers	E7200	E2200
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.53 GHz	2.2 GHz
Processor cacheDiffers	3 MB	1 MB
Processor cache type	L2	L2
Processor front side busDiffers	1066 MHz	800 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithographyDiffers	45 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo E7000 Series	Intel Pentium E2000 Series for Desktop
Processor codenameDiffers	Wolfdale	Conroe
Thermal Design Power (TDP)	65 W	65 W
TcaseDiffers	74.1 °C	73.3 °C
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	228 M	105 M
Processing Die sizeDiffers	82 mm²	77 mm²
CPU multiplier (bus/core ratio)Differs	9.5	11
Stepping	M0	M0
ECC supported by processor	No	No
Memory2 differ
Internal memoryDiffers	2 GB	1 GB
Maximum internal memory	4 GB	4 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory layout (slots x size)Differs	2 x 1 GB	1 x 1 GB
Memory slotsKnown for one	2x DIMM	Unknown — not stated by the source
Memory clock speed	667 MHz	667 MHz
Storage2 differ
Total storage capacityDiffers	320 GB	160 GB
Optical drive typeDiffers	DVD Super Multi	DVD-ROM
HDD interface	SATA	SATA
Card reader integrated	No	No
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Graphicsidentical
Discrete graphics card model	Intel® GMA 3100	Intel® GMA 3100
On-board graphics card modelKnown for one	Not available	Unknown — not stated by the source
Performanceidentical
Product type	PC	PC
Networkidentical
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	8	6
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-outKnown for one	Yes	Unknown — not stated by the source
Line-inKnown for one	Yes	Unknown — not stated by the source
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
PS/2 ports quantity	2	2
Serial ports quantityDiffers	0	1
Parallel ports quantity	1	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	110-220 V (50/60Hz)	Unknown — not stated by the source
Power consumption (typical)Known for one	280 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	110 - 220 V
Power supply input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Designidentical
Chassis type	Tower	Tower
Product colourKnown for one	Black	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows XP Professional	Windows Vista Business
Displayidentical
Display included	No	No
Processor special features2 differ
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	No	No
Intel Virtualization Technology (VT-x)	No	No
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	35348	33925
Processor package sizeDiffers	37.5 mm	37.5 x 37.5 mm
Thermal Monitoring Technologies	Yes	Yes
Intel® Turbo Boost Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
Audioidentical
Audio system	ALC662	ALC662
Weight & dimensionsidentical
Width	175 mm	175 mm
Depth	440 mm	440 mm
Height	402 mm	402 mm
Weight	11 kg	11 kg
Packaging contentidentical
Mouse includedKnown for one	Yes	Unknown — not stated by the source
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	48x
CD write speedKnown for one	Unknown — not stated by the source	48x
CD rewrite speedKnown for one	Unknown — not stated by the source	32x
DVD read speedKnown for one	Unknown — not stated by the source	16x
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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