Product comparison · 2 pcs/workstations

Lenovo ThinkCentre M57p Intel® Core™2 Duo E8400 vs Lenovo ThinkCentre A57 Tower

86specifications compared
31differ
55identical
11known for one product only

Key differences

The Lenovo ThinkCentre M57p Intel® Core™2 Duo E8400 has 0.8 GHz more processor frequency than the Lenovo ThinkCentre A57 Tower (3 GHz vs 2.2 GHz). The Lenovo ThinkCentre M57p Intel® Core™2 Duo E8400 has 5 MB more processor cache than the Lenovo ThinkCentre A57 Tower (6 MB vs 1 MB). The Lenovo ThinkCentre M57p Intel® Core™2 Duo E8400 has 533 MHz more processor front side bus than the Lenovo ThinkCentre A57 Tower (1333 MHz vs 800 MHz). Only the Lenovo ThinkCentre M57p Intel® Core™2 Duo E8400 has embedded options available. Only the Lenovo ThinkCentre M57p Intel® Core™2 Duo E8400 has Intel Trusted Execution Technology.

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

Side by side

Differences highlightedShow differences only

Comparison of M57p, ThinkCentre A57 Tower
97 specifications	A Lenovo ThinkCentre M57p Intel® Core™2 Duo E8400 Model M57p View product	B Lenovo ThinkCentre A57 Tower View product
Processor13 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™2 Duo	Intel® Pentium®
Processor modelDiffers	E8400	E2200
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	3 GHz	2.2 GHz
Processor cacheDiffers	6 MB	1 MB
Processor cache type	L2	L2
Processor front side busDiffers	1333 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 E8000 Series	Intel Pentium E2000 Series for Desktop
Processor codenameDiffers	Wolfdale	Conroe
Thermal Design Power (TDP)	65 W	65 W
TcaseDiffers	72.4 °C	73.3 °C
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	410 M	105 M
Processing Die sizeDiffers	107 mm²	77 mm²
CPU multiplier (bus/core ratio)Differs	9	11
SteppingDiffers	E0	M0
ECC supported by processor	No	No
Memory3 differ
Internal memoryDiffers	2 GB	1 GB
Maximum internal memoryDiffers	8 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 clock speed	667 MHz	667 MHz
Storage2 differ
Total storage capacityDiffers	320 GB	160 GB
Optical drive typeDiffers	DVD±RW	DVD-RW
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integrated	No	No
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA X3000	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 quantity	8	8
Ethernet LAN (RJ-45) ports	1	1
Headphone outputsDiffers	1	4
Line-outKnown for one	Unknown — not stated by the source	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
PS/2 ports quantity	2	2
Serial ports quantityDiffers	1	0
Parallel ports quantity	1	1
Expansion slotsidentical
Expansion slotsKnown for one	Unknown — not stated by the source	1 x PCI Express 16X 2 x PCI 1 x PCI Express 1X
Poweridentical
Power supply typeKnown for one	Unknown — not stated by the source	110 - 220 V
Power supply	280 W	280 W
Power supply input frequency	50 - 60 Hz	50 - 60 Hz
Power supply input voltageKnown for one	110 - 220 V	Unknown — not stated by the source
Designidentical
Chassis type	Tower	Tower
Product colourKnown for one	Unknown — not stated by the source	Black
Softwareidentical
Operating system installed	Windows XP Professional	Windows XP Professional
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows XP Professional MS-DOS Windows XP Windows XP Home Edition Windows Vista Ultimate Windows Vista Ultimate 64-Bit Windows Vista Business Windows Vista Business 64 Windows Vista Home Basic Windows Vista Home Premium Windows Vista Home Premium 64
Displayidentical
Display included	No	No
Processor special features5 differ
Embedded options availableDiffers	Yes	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 TechnologyDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)	No	No
Intel Virtualization Technology (VT-x)Differs	Yes	No
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	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	33910	33925
Processor package size	37.5 x 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
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Processor codeKnown for one	SLB9J	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	AD1882	ALC662
Weight & dimensions4 differ
WidthDiffers	175 mm	331 mm
DepthDiffers	440 mm	412 mm
HeightDiffers	402 mm	104 mm
WeightDiffers	10.2 kg	3.31 kg
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Intel segment taggingKnown for one	Enterprise, Professional	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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