Product comparison · 2 pcs/workstations

Lenovo ThinkCentre M55 Small Desktop, NL vs Lenovo ThinkCentre M55e

80specifications compared
24differ
56identical
13known for one product only

Key differences

The Lenovo ThinkCentre M55e has 1.14 GHz more processor frequency than the Lenovo ThinkCentre M55 Small Desktop, NL (3 GHz vs 1.86 GHz). The Lenovo ThinkCentre M55e has 2 MB more processor cache than the Lenovo ThinkCentre M55 Small Desktop, NL (4 MB vs 2 MB). The Lenovo ThinkCentre M55 Small Desktop, NL has 266 MHz more processor front side bus than the Lenovo ThinkCentre M55e (1066 MHz vs 800 MHz). Only the Lenovo ThinkCentre M55 Small Desktop, NL has Intel Virtualization Technology (VT-x). Only the Lenovo ThinkCentre M55 Small Desktop, NL has thermal Monitoring Technologies.

Processor family
- ThinkCentre M55 Small Desktop, NL:Intel® Core™2 Duo
- ThinkCentre M55e:Intel® Pentium® D
Processor model
- ThinkCentre M55 Small Desktop, NL:E6300
- ThinkCentre M55e:925
Processor frequency
- ThinkCentre M55 Small Desktop, NL:1.86 GHz
- ThinkCentre M55e:3 GHz
Processor cache
- ThinkCentre M55 Small Desktop, NL:2 MB
- ThinkCentre M55e:4 MB
Processor front side bus
- ThinkCentre M55 Small Desktop, NL:1066 MHz
- ThinkCentre M55e:800 MHz
Processor codename
- ThinkCentre M55 Small Desktop, NL:Conroe
- ThinkCentre M55e:Presler
Thermal Design Power (TDP)
- ThinkCentre M55 Small Desktop, NL:65 W
- ThinkCentre M55e:95 W
Tcase
- ThinkCentre M55 Small Desktop, NL:61.4 °C
- ThinkCentre M55e:63.4 °C

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre M55 Small Desktop, NL, ThinkCentre M55e
93 specifications	A Lenovo ThinkCentre M55 Small Desktop, NL View product	B Lenovo ThinkCentre M55e View product
Processor11 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™2 Duo	Intel® Pentium® D
Processor modelDiffers	E6300	925
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	1.86 GHz	3 GHz
Processor cacheDiffers	2 MB	4 MB
Processor cache type	L2	L2
Processor front side busDiffers	1066 MHz	800 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithography	65 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor codenameDiffers	Conroe	Presler
Thermal Design Power (TDP)Differs	65 W	95 W
TcaseDiffers	61.4 °C	63.4 °C
Number of processors installedKnown for one	1	Unknown — not stated by the source
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	167 M	376 M
Processing Die sizeDiffers	111 mm²	162 mm²
CPU multiplier (bus/core ratio)Differs	7	15
SteppingKnown for one	R0	Unknown — not stated by the source
ECC supported by processor	No	No
Processor seriesKnown for one	Unknown — not stated by the source	Intel Pentium D 900 Series
Memory1 differ
Internal memoryDiffers	1 GB	0.5 GB
Maximum internal memory	4 GB	4 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory layout (slots x size)Known for one	1 x 1 GB	Unknown — not stated by the source
Memory slots	2x DIMM	2x DIMM
Storageidentical
Total storage capacity	80 GB	80 GB
Optical drive type	DVD-ROM	DVD-ROM
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Graphicsidentical
Discrete graphics card model	Intel® GMA 3000	Intel® GMA 3000
Performanceidentical
Product type	PC	PC
Network1 differ
Networking featuresDiffers	Gigabit Ethernet	Ethernet/Fast Ethernet/Gigabit Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	8	6
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
Parallel ports quantity	1	1
PS/2 ports quantityKnown for one	Unknown — not stated by the source	2
Serial ports quantityKnown for one	Unknown — not stated by the source	1
Expansion slotsidentical
Expansion slotsKnown for one	1x PCI Express 1X 1x PCI	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	225 W	250 W
Design1 differ
Chassis typeDiffers	Desktop	Tower
Softwareidentical
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled softwareKnown for one	Adobe Acrobat Reader Diskeeper Lite Google ThinkVantage	Unknown — not stated by the source
Displayidentical
Display included	No	No
Processor special features3 differ
CPU configuration (max)Known for one	1	Unknown — not stated by the source
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)Differs	Yes	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	27248	27517
Processor codeKnown for one	SLGW2	Unknown — not stated by the source
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Thermal Monitoring TechnologiesDiffers	Yes	No
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
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Audio1 differ
Audio systemDiffers	ADI 1983 HD	ADI 1986 A
Weight & dimensions4 differ
WidthDiffers	309 mm	175 mm
DepthDiffers	359 mm	440 mm
HeightDiffers	87.5 mm	402 mm
WeightDiffers	8.3 kg	10.9 kg
Packaging contentidentical
Mouse includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Intel segment tagging	Enterprise, Professional	Enterprise, Professional
Optical driveidentical
DVD read speedKnown for one	Unknown — not stated by the source	16x

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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