Product comparison · 2 pcs/workstations

Acer Aspire E571 vs Lenovo ThinkCentre M55e Intel® Core™2 Duo E6400

78specifications compared
16differ
62identical
21known for one product only

Key differences

Processor model
- Aspire E571:E6300
- ThinkCentre M55e Intel® Core™2 Duo E6400:E6400
Processor frequency
- Aspire E571:1.86 GHz
- ThinkCentre M55e Intel® Core™2 Duo E6400:2.13 GHz
CPU multiplier (bus/core ratio)
- Aspire E571:7
- ThinkCentre M55e Intel® Core™2 Duo E6400:8
Internal memory
- Aspire E571:2 GB
- ThinkCentre M55e Intel® Core™2 Duo E6400:1 GB
Memory layout (slots x size)
- Aspire E571:2 x 1 GB
- ThinkCentre M55e Intel® Core™2 Duo E6400:1 x 1 GB
Total storage capacity
- Aspire E571:500 GB
- ThinkCentre M55e Intel® Core™2 Duo E6400:160 GB
Optical drive type
- Aspire E571:DVD±RW
- ThinkCentre M55e Intel® Core™2 Duo E6400:DVD-ROM
HDD speed
- Aspire E571:5400 RPM
- ThinkCentre M55e Intel® Core™2 Duo E6400:7200 RPM

Side by side

Differences highlightedShow differences only

Comparison of Aspire E571, M55e
99 specifications	A Acer Aspire E571 View product	B Lenovo ThinkCentre M55e Intel® Core™2 Duo E6400 Model M55e View product
Processor3 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	E6300	E6400
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	1.86 GHz	2.13 GHz
Processor cache	2 MB	2 MB
Processor cache type	L2	L2
Processor front side bus	1066 MHz	1066 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithography	65 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core 2 Duo E6000 Series
Processor codename	Conroe	Conroe
Thermal Design Power (TDP)	65 W	65 W
Tcase	61.4 °C	61.4 °C
Number of processors installedKnown for one	Unknown — not stated by the source	1
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die Transistors	167 M	167 M
Processing Die size	111 mm²	111 mm²
CPU multiplier (bus/core ratio)Differs	7	8
ECC supported by processor	No	No
SteppingKnown for one	R0	Unknown — not stated by the source
Memory2 differ
Internal memoryDiffers	2 GB	1 GB
Maximum internal memoryKnown for one	Unknown — not stated by the source	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	Unknown — not stated by the source	2x DIMM
Storage3 differ
Total storage capacityDiffers	500 GB	160 GB
Optical drive typeDiffers	DVD±RW	DVD-ROM
HDD interface	SATA	SATA
HDD speedDiffers	5400 RPM	7200 RPM
Graphics1 differ
Discrete graphics card modelDiffers	NVIDIA® GeForce® 8800 GTS	Intel® GMA 3000
Maximum graphics card memoryKnown for one	0.64 GB	Unknown — not stated by the source
Performanceidentical
Product type	PC	PC
Networkidentical
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ports & interfacesidentical
USB 2.0 ports quantity	6	6
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
PS/2 ports quantity	2	2
Serial ports quantity	1	1
Parallel ports quantity	1	1
DVI portKnown for one	Yes	Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one	1	Unknown — not stated by the source
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
TV-outKnown for one	Yes	Unknown — not stated by the source
TV-out typeKnown for one	S-Video	Unknown — not stated by the source
Expansion slotsidentical
Expansion slotsKnown for one	Unknown — not stated by the source	1x PCI Express 16X 1x PCI Express 1X
Poweridentical
Power supplyKnown for one	Unknown — not stated by the source	280 W
Designidentical
Chassis type	Tower	Tower
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
Software1 differ
Operating system installedDiffers	Windows Vista Home Premium	Windows XP Professional
Bundled softwareKnown for one	Symantec Norton AntiVirus 2006, Adobe Acrobat Reader 7.0, Cyberlink Power DVD 6, NTI CD-Maker Gold, Self Burn Recovery, Acer Empowering Framework, Acer eRecovery Management, Acer eDataSecurity Management, Acer ePerformance Management, Acer e-Mode, Acer e-Console	Unknown — not stated by the source
Displayidentical
Display included	No	No
Processor special features2 differ
Embedded options availableDiffers	No	Yes
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)	Yes	Yes
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	27248	27249
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
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Processor codeKnown for one	SLGW2	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	High Definition Audio 7.1	ADI 1986 A
Weight & dimensions3 differ
WidthDiffers	183 mm	175 mm
DepthDiffers	455 mm	440 mm
HeightDiffers	370 mm	402 mm
WeightKnown for one	Unknown — not stated by the source	10.9 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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