Product comparison · 2 pcs/workstations

Lenovo ThinkCentre M90p vs Lenovo ThinkStation E20, HU

85specifications compared
35differ
50identical
37known for one product only

Key differences

Processor family
- ThinkCentre M90p:Intel® Core™ i5
- ThinkStation E20, HU:Intel® Xeon® 3000 Sequence
Processor model
- ThinkCentre M90p:i5-660
- ThinkStation E20, HU:X3450
Processor cores
- ThinkCentre M90p:2
- ThinkStation E20, HU:4
Processor threads
- ThinkCentre M90p:4
- ThinkStation E20, HU:8
Processor boost frequency
- ThinkCentre M90p:3.6 GHz
- ThinkStation E20, HU:3.2 GHz
Processor frequency
- ThinkCentre M90p:3.33 GHz
- ThinkStation E20, HU:2.66 GHz
Processor cache
- ThinkCentre M90p:4 MB
- ThinkStation E20, HU:8 MB
Processor lithography
- ThinkCentre M90p:32 nm
- ThinkStation E20, HU:45 nm

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre M90p, ThinkStation E20, HU
122 specifications	A Lenovo ThinkCentre M90p View product	B Lenovo ThinkStation E20, HU View product
Processor19 differ
Processor familyDiffers	Intel® Core™ i5	Intel® Xeon® 3000 Sequence
Processor generationKnown for one	Intel® Core™ i5	Unknown — not stated by the source
Processor modelDiffers	i5-660	X3450
Processor coresDiffers	2	4
Processor threadsDiffers	4	8
Processor boost frequencyDiffers	3.6 GHz	3.2 GHz
Processor frequencyDiffers	3.33 GHz	2.66 GHz
Processor cacheDiffers	4 MB	8 MB
Processor lithographyDiffers	32 nm	45 nm
Processor seriesDiffers	Intel Core i5-600 Desktop Series	Intel Xeon 3400 Series
Processor codenameDiffers	Clarkdale	Lynnfield
Thermal Design Power (TDP)Differs	73 W	95 W
TcaseDiffers	72.6 °C	72.7 °C
PCI Express configurationsDiffers	1x16, 2x8	1x16, 2x8, 4x4
Number of Processing Die TransistorsDiffers	382 M	774 M
Processing Die sizeDiffers	81 mm²	296 mm²
CPU multiplier (bus/core ratio)Differs	25	20
Maximum internal memory supported by processorDiffers	16 GB	32 GB
Memory types supported by processorDiffers	DDR3 1066/1333	DDR3-SDRAM
ECC supported by processorDiffers	No	Yes
SteppingKnown for one	Unknown — not stated by the source	B1
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	800,1066,1333 MHz
Memory1 differ
Internal memoryDiffers	2 GB	4 GB
Maximum internal memoryKnown for one	8 GB	Unknown — not stated by the source
ECCKnown for one	Unknown — not stated by the source	Yes
Non-ECCKnown for one	Unknown — not stated by the source	Yes
Storage1 differ
Total storage capacityKnown for one	250 GB	Unknown — not stated by the source
Optical drive typeDiffers	DVD±RW	DVD-RW
Floppy drive installedKnown for one	No	Unknown — not stated by the source
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
Drive device, buffer sizeKnown for one	Unknown — not stated by the source	16 MB
Graphicsidentical
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
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
Performance1 differ
Product typeDiffers	PC	Workstation
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® 3450
Motherboard form factorKnown for one	Unknown — not stated by the source	ATX
Networkidentical
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Wi-FiKnown for one	No	Unknown — not stated by the source
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Ports & interfacesidentical
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
VGA (D-Sub) ports quantityKnown for one	1	Unknown — not stated by the source
DVI portKnown for one	No	Unknown — not stated by the source
PS/2 ports quantityKnown for one	Unknown — not stated by the source	2
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
Design1 differ
Chassis typeDiffers	SFF	Tower
Product colourKnown for one	Unknown — not stated by the source	Black
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows XP Professional
Processor special features7 differ
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Intel Demand Based SwitchingDiffers	No	Yes
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel FDI TechnologyDiffers	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)Differs	36 bit	Yes
Processor ARK IDDiffers	43550	42929
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Processor codeKnown for one	Unknown — not stated by the source	SLBLD
Audioidentical
Audio systemKnown for one	High Definition Audio	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	317 mm	174.8 mm
DepthDiffers	355 mm	430.8 mm
HeightDiffers	99 mm	425 mm
WeightDiffers	7.5 kg	11.2 kg
Packaging contentidentical
Remote control includedKnown for one	No	Unknown — not stated by the source
Other featuresidentical
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Intel segment taggingKnown for one	Enterprise, Professional	Unknown — not stated by the source
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	48x
Poweridentical
Power supplyKnown for one	Unknown — not stated by the source	280 W

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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