Product comparison · 2 pcs/workstations

Lenovo M90p + L2461X vs Lenovo ThinkCentre M55 8811

97specifications compared
40differ
57identical
47known for one product only

Key differences

The Lenovo M90p + L2461X has 2 more processor threads than the Lenovo ThinkCentre M55 8811 (4 vs 2). The Lenovo M90p + L2461X has 1.34 GHz more processor frequency than the Lenovo ThinkCentre M55 8811 (3.2 GHz vs 1.86 GHz). The Lenovo M90p + L2461X has 2 MB more processor cache than the Lenovo ThinkCentre M55 8811 (4 MB vs 2 MB). Only the Lenovo M90p + L2461X has display included. Only the Lenovo M90p + L2461X has Intel Dual Display Capable Technology.

Processor family
- M90p + L2461X:Intel® Core™ i5
- ThinkCentre M55 8811:Intel® Core™2 Duo
Processor model
- M90p + L2461X:i5-650
- ThinkCentre M55 8811:E6300
Processor threads
- M90p + L2461X:4
- ThinkCentre M55 8811:2
Processor frequency
- M90p + L2461X:3.2 GHz
- ThinkCentre M55 8811:1.86 GHz
Processor cache
- M90p + L2461X:4 MB
- ThinkCentre M55 8811:2 MB
Processor cache type
- M90p + L2461X:Smart Cache
- ThinkCentre M55 8811:L2
Bus type
- M90p + L2461X:DMI
- ThinkCentre M55 8811:FSB
Processor lithography
- M90p + L2461X:32 nm
- ThinkCentre M55 8811:65 nm

Side by side

Differences highlightedShow differences only

Comparison of M90p + L2461X, ThinkCentre M55 8811
144 specifications	A Lenovo M90p + L2461X View product	B Lenovo ThinkCentre M55 8811 View product
Processor16 differ
Processor familyDiffers	Intel® Core™ i5	Intel® Core™2 Duo
Processor generationKnown for one	Intel® Core™ i5	Unknown — not stated by the source
Processor modelDiffers	i5-650	E6300
Processor threadsDiffers	4	2
Processor boost frequencyKnown for one	3.46 GHz	Unknown — not stated by the source
Processor frequencyDiffers	3.2 GHz	1.86 GHz
Processor cacheDiffers	4 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
Bus typeDiffers	DMI	FSB
System bus rateKnown for one	2.5 GT/s	Unknown — not stated by the source
Processor lithographyDiffers	32 nm	65 nm
Processor seriesKnown for one	Intel Core i5-600 Desktop Series	Unknown — not stated by the source
Processor codenameDiffers	Clarkdale	Conroe
Thermal Design Power (TDP)Differs	73 W	65 W
TcaseDiffers	72.6 °C	61.4 °C
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Processor socketDiffers	LGA 1156 (Socket H)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	382 M	167 M
Processing Die sizeDiffers	81 mm²	111 mm²
CPU multiplier (bus/core ratio)Differs	24	7
SteppingDiffers	C2	R0
Maximum internal memory supported by processorKnown for one	16 GB	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR3 1066/1333	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	21 GB/s	Unknown — not stated by the source
Processor front side busKnown for one	Unknown — not stated by the source	1066 MHz
Memory4 differ
Internal memoryDiffers	4 GB	1 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR2-SDRAM
Memory layout (slots x size)Differs	2 x 2 GB	1 x 1 GB
Memory slotsKnown for one	4x DIMM	Unknown — not stated by the source
Memory clock speedDiffers	1333 MHz	667 MHz
Memory channelsKnown for one	Dual-channel	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	500 GB	160 GB
Optical drive typeDiffers	DVD-RW	DVD-ROM
RAID levelsKnown for one	0, 1	Unknown — not stated by the source
Floppy drive installedKnown for one	Unknown — not stated by the source	No
Graphicsidentical
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card modelKnown for one	Intel® HD Graphics	Unknown — not stated by the source
Number of displays supported (on-board graphics)Known for one	2	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	733 MHz	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel® GMA 3000
Graphics card familyKnown for one	Unknown — not stated by the source	Intel
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® Q965 Express
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	10	8
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
PS/2 ports quantityKnown for one	Unknown — not stated by the source	0
Parallel ports quantityKnown for one	Unknown — not stated by the source	1
Expansion slotsidentical
Number of 3.5" baysKnown for one	3	Unknown — not stated by the source
Designidentical
Number of 5.25" baysKnown for one	2	Unknown — not stated by the source
External drive baysKnown for one	Unknown — not stated by the source	2 x 5.25", 1 x 3.5"
Internal drive baysKnown for one	Unknown — not stated by the source	2 x 3.5"
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows XP Professional
Operating system architectureKnown for one	32-bit	Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows 7	Unknown — not stated by the source
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Display1 differ
Display includedDiffers	Yes	No
Display diagonalKnown for one	61 cm (24")	Unknown — not stated by the source
Display resolutionKnown for one	1920 x 1080 pixels	Unknown — not stated by the source
TouchscreenKnown for one	Yes	Unknown — not stated by the source
DisplayKnown for one	LCD	Unknown — not stated by the source
Processor special features11 differ
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel FDI TechnologyDiffers	Yes	No
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Physical Address Extension (PAE)Known for one	36 bit	Unknown — not stated by the source
Processor ARK IDDiffers	43546	27248
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesDiffers	No	Yes
Intel® Turbo Boost TechnologyDiffers	1.0	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Processor codeKnown for one	Unknown — not stated by the source	SLGW2
Weight & dimensions3 differ
WidthDiffers	175 mm	178 mm
DepthDiffers	442 mm	450 mm
HeightDiffers	414 mm	432 mm
WeightKnown for one	Unknown — not stated by the source	12.5 kg
Certificates1 differ
Compliance industry standardsDiffers	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	IEEE802.3, IEEE802.3u, IEEE802.3ab
Other featuresidentical
TV tuner integratedKnown for one	Unknown — not stated by the source	No
Poweridentical
Power supply typeKnown for one	Unknown — not stated by the source	AC
Power requirementsKnown for one	Unknown — not stated by the source	120 - 230 V
Power supplyKnown for one	Unknown — not stated by the source	310 W
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	High Definition Audio
Packaging contentidentical
Remote control includedKnown for one	Unknown — not stated by the source	No

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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