Product comparison · 2 pcs/workstations

Lenovo ThinkCentre M55e Intel® Core™2 Duo E6400 vs Lenovo ThinkCentre M55p Tower (8811DEG), DE

82specifications compared
9differ
73identical
9known for one product only

Key differences

Total storage capacity
- ThinkCentre M55e Intel® Core™2 Duo E6400:160 GB
- ThinkCentre M55p Tower (8811DEG), DE:80 GB
USB 2.0 ports quantity
- ThinkCentre M55e Intel® Core™2 Duo E6400:6
- ThinkCentre M55p Tower (8811DEG), DE:10
Power supply
- ThinkCentre M55e Intel® Core™2 Duo E6400:280 W
- ThinkCentre M55p Tower (8811DEG), DE:310 W
Audio system
- ThinkCentre M55e Intel® Core™2 Duo E6400:ADI 1986 A
- ThinkCentre M55p Tower (8811DEG), DE:ADI 1983 HD
Width
- ThinkCentre M55e Intel® Core™2 Duo E6400:175 mm
- ThinkCentre M55p Tower (8811DEG), DE:178 mm
Depth
- ThinkCentre M55e Intel® Core™2 Duo E6400:440 mm
- ThinkCentre M55p Tower (8811DEG), DE:450 mm
Height
- ThinkCentre M55e Intel® Core™2 Duo E6400:402 mm
- ThinkCentre M55p Tower (8811DEG), DE:432 mm
Weight
- ThinkCentre M55e Intel® Core™2 Duo E6400:10.9 kg
- ThinkCentre M55p Tower (8811DEG), DE:12.5 kg

Side by side

Differences highlightedShow differences only

Comparison of M55e, ThinkCentre M55p Tower (8811DEG), DE
91 specifications	A Lenovo ThinkCentre M55e Intel® Core™2 Duo E6400 Model M55e View product	B Lenovo ThinkCentre M55p Tower (8811DEG), DE View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor model	E6400	E6400
Processor cores	2	2
Processor threads	2	2
Processor frequency	2.13 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 series	Intel Core 2 Duo E6000 Series	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 installed	1	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)	8	8
ECC supported by processor	No	No
Memoryidentical
Internal memory	1 GB	1 GB
Maximum internal memoryKnown for one	4 GB	Unknown — not stated by the source
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory layout (slots x size)	1 x 1 GB	1 x 1 GB
Memory slotsKnown for one	2x DIMM	Unknown — not stated by the source
Storage1 differ
Total storage capacityDiffers	160 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
Networkidentical
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	6	10
Ethernet LAN (RJ-45) ports	1	1
Headphone outputsKnown for one	1	Unknown — not stated by the source
Microphone inKnown for one	Yes	Unknown — not stated by the source
VGA (D-Sub) ports quantityKnown for one	1	Unknown — not stated by the source
PS/2 ports quantityKnown for one	2	Unknown — not stated by the source
Serial ports quantityKnown for one	1	Unknown — not stated by the source
Parallel ports quantity	1	1
Line-outKnown for one	Unknown — not stated by the source	Yes
Line-inKnown for one	Unknown — not stated by the source	Yes
Expansion slots1 differ
Expansion slotsDiffers	1x PCI Express 16X 1x PCI Express 1X	1x PCI Express 1X 1x PCI Express 16X 2x PCI
Power1 differ
Power supplyDiffers	280 W	310 W
Designidentical
Chassis type	Tower	Tower
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Softwareidentical
Operating system installed	Windows XP Professional	Windows XP Professional
Displayidentical
Display included	No	No
Processor special featuresidentical
Embedded options available	Yes	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 ID	27249	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
Audio1 differ
Audio systemDiffers	ADI 1986 A	ADI 1983 HD
Weight & dimensions4 differ
WidthDiffers	175 mm	178 mm
DepthDiffers	440 mm	450 mm
HeightDiffers	402 mm	432 mm
WeightDiffers	10.9 kg	12.5 kg
Packaging contentidentical
Mouse included	Yes	Yes
Other featuresidentical
Intel segment tagging	Enterprise, Professional	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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