Product comparison · 2 pcs/workstations

Lenovo M90p + ThinkVision L2321x vs Lenovo ThinkCentre M55 8811

96specifications compared
43differ
53identical
50known for one product only

Key differences

The Lenovo M90p + ThinkVision L2321x has 2 more processor threads than the Lenovo ThinkCentre M55 8811 (4 vs 2). The Lenovo M90p + ThinkVision L2321x has 1.34 GHz more processor frequency than the Lenovo ThinkCentre M55 8811 (3.2 GHz vs 1.86 GHz). The Lenovo M90p + ThinkVision L2321x has 2 MB more processor cache than the Lenovo ThinkCentre M55 8811 (4 MB vs 2 MB). Only the Lenovo M90p + ThinkVision L2321x has display included. Only the Lenovo M90p + ThinkVision L2321x has Intel Dual Display Capable Technology.

Processor family
- M90p + ThinkVision L2321x:Intel® Core™ i5
- ThinkCentre M55 8811:Intel® Core™2 Duo
Processor model
- M90p + ThinkVision L2321x:i5-650
- ThinkCentre M55 8811:E6300
Processor threads
- M90p + ThinkVision L2321x:4
- ThinkCentre M55 8811:2
Processor frequency
- M90p + ThinkVision L2321x:3.2 GHz
- ThinkCentre M55 8811:1.86 GHz
Processor cache
- M90p + ThinkVision L2321x:4 MB
- ThinkCentre M55 8811:2 MB
Processor cache type
- M90p + ThinkVision L2321x:Smart Cache
- ThinkCentre M55 8811:L2
Bus type
- M90p + ThinkVision L2321x:DMI
- ThinkCentre M55 8811:FSB
Processor lithography
- M90p + ThinkVision L2321x:32 nm
- ThinkCentre M55 8811:65 nm

Side by side

Differences highlightedShow differences only

Comparison of M90p + ThinkVision L2321x, ThinkCentre M55 8811
146 specifications	A Lenovo M90p + ThinkVision L2321x 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
PlatformKnown for one	Unknown — not stated by the source	PC
Memory3 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 channelsKnown for one	Dual-channel	Unknown — not stated by the source
Memory clock speedKnown for one	Unknown — not stated by the source	667 MHz
Storage2 differ
Total storage capacityDiffers	500 GB	160 GB
Optical drive typeDiffers	DVD-RW	DVD-ROM
Graphics1 differ
Discrete graphics card modelDiffers	Intel HD	Intel® GMA 3000
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
Performanceidentical
Audio output channelsKnown for one	5.1 channels	Unknown — not stated by the source
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® Q965 Express
Ports & interfacesidentical
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	0
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
Line-outKnown for one	Unknown — not stated by the source	Yes
Line-inKnown for one	Unknown — not stated by the source	Yes
Parallel ports quantityKnown for one	Unknown — not stated by the source	1
Expansion slotsidentical
Number of 3.5" baysKnown for one	1	Unknown — not stated by the source
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	1
PCI Express x16 slotsKnown for one	Unknown — not stated by the source	1
PCI slotsKnown for one	Unknown — not stated by the source	2
Power1 differ
Power supplyDiffers	240 W	310 W
Power supply input voltageKnown for one	115 - 230 V	Unknown — not stated by the source
Power supply input frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
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
Design1 differ
Chassis typeDiffers	SFF	Tower
Number of 5.25" baysKnown for one	1	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
Display1 differ
Display includedDiffers	Yes	No
Display diagonalKnown for one	58.4 cm (23")	Unknown — not stated by the source
Display resolutionKnown for one	1920 x 1080 pixels	Unknown — not stated by the source
Native aspect ratioKnown for one	16:9	Unknown — not stated by the source
Contrast ratio (typical)Known for one	1000:1	Unknown — not stated by the source
Display brightnessKnown for one	250 cd/m²	Unknown — not stated by the source
Viewing angle, horizontalKnown for one	170°	Unknown — not stated by the source
Viewing angle, verticalKnown for one	160°	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
Audio1 differ
Audio systemDiffers	HD	High Definition Audio
Weight & dimensions4 differ
WidthDiffers	317 mm	178 mm
DepthDiffers	355 mm	450 mm
HeightDiffers	99 mm	432 mm
WeightDiffers	7.5 kg	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

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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