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 manufacturer	Intel	Intel
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 cores	2	2
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
FSB Parity	No	No
System bus rateKnown for one	2.5 GT/s	Unknown — not stated by the source
Processor lithographyDiffers	32 nm	65 nm
Processor operating modes	64-bit	64-bit
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
Number of processors installed	1	1
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
Platform	PC	PC
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
ECC supported by processor	No	No
Processor front side busKnown for one	Unknown — not stated by the source	1066 MHz
Memory4 differ
Internal memoryDiffers	4 GB	1 GB
Maximum internal memory	8 GB	8 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
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integrated	No	No
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	Yes	Yes
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
Product type	PC	PC
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® Q965 Express
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Wi-Fi	No	No
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	10	8
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
HDMI ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-out	Yes	Yes
Line-in	Yes	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI port	No	No
Firewire (IEEE 1394) ports	0	0
Serial ports quantity	1	1
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
PCI Express x1 slots	1	1
PCI Express x16 slots	1	1
PCI slots	2	2
Designidentical
Chassis type	Tower	Tower
Number of 5.25" baysKnown for one	2	Unknown — not stated by the source
Product colour	Black	Black
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
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	Yes	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)Differs	Yes	No
Intel Virtualization Technology (VT-x)	Yes	Yes
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
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
Physical Address Extension (PAE)Known for one	36 bit	Unknown — not stated by the source
Processor ARK IDDiffers	43546	27248
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
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
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
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
Intel segment tagging	Enterprise, Professional	Enterprise, Professional
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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