Product comparison · 2 pcs/workstations

Lenovo ThinkCentre M90 SFF + ThinkVision L2251P vs Lenovo ThinkStation S20 + ThinkVision L2440p

90specifications compared
51differ
39identical
47known for one product only

Key differences

The Lenovo ThinkStation S20 + ThinkVision L2440p has 2 more processor cores than the Lenovo ThinkCentre M90 SFF + ThinkVision L2251P (4 vs 2). The Lenovo ThinkStation S20 + ThinkVision L2440p has 4 more processor threads than the Lenovo ThinkCentre M90 SFF + ThinkVision L2251P (8 vs 4). The Lenovo ThinkCentre M90 SFF + ThinkVision L2251P has 0.13 GHz more processor frequency than the Lenovo ThinkStation S20 + ThinkVision L2440p (2.93 GHz vs 2.8 GHz). Only the Lenovo ThinkStation S20 + ThinkVision L2440p has ECC supported by processor. Only the Lenovo ThinkCentre M90 SFF + ThinkVision L2251P has card reader integrated.

Processor family
- ThinkCentre M90 SFF + ThinkVision L2251P:Intel® Core™ i3
- ThinkStation S20 + ThinkVision L2440p:Intel® Xeon® 3000 Sequence
Processor model
- ThinkCentre M90 SFF + ThinkVision L2251P:i3-530
- ThinkStation S20 + ThinkVision L2440p:W3530
Processor cores
- ThinkCentre M90 SFF + ThinkVision L2251P:2
- ThinkStation S20 + ThinkVision L2440p:4
Processor threads
- ThinkCentre M90 SFF + ThinkVision L2251P:4
- ThinkStation S20 + ThinkVision L2440p:8
Processor frequency
- ThinkCentre M90 SFF + ThinkVision L2251P:2.93 GHz
- ThinkStation S20 + ThinkVision L2440p:2.8 GHz
Processor cache
- ThinkCentre M90 SFF + ThinkVision L2251P:4 MB
- ThinkStation S20 + ThinkVision L2440p:8 MB
Bus type
- ThinkCentre M90 SFF + ThinkVision L2251P:DMI
- ThinkStation S20 + ThinkVision L2440p:QPI
System bus rate
- ThinkCentre M90 SFF + ThinkVision L2251P:2.5 GT/s
- ThinkStation S20 + ThinkVision L2440p:4.8 GT/s

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre M90 SFF + ThinkVision L2251P, ThinkStation S20 + ThinkVision L2440p
137 specifications	A Lenovo ThinkCentre M90 SFF + ThinkVision L2251P View product	B Lenovo ThinkStation S20 + ThinkVision L2440p View product
Processor22 differ
Processor familyDiffers	Intel® Core™ i3	Intel® Xeon® 3000 Sequence
Processor generationKnown for one	Intel® Core™ i3	Unknown — not stated by the source
Processor modelDiffers	i3-530	W3530
Processor coresDiffers	2	4
Processor threadsDiffers	4	8
Processor frequencyDiffers	2.93 GHz	2.8 GHz
Processor cacheDiffers	4 MB	8 MB
Bus typeDiffers	DMI	QPI
System bus rateDiffers	2.5 GT/s	4.8 GT/s
Processor lithographyDiffers	32 nm	45 nm
Processor seriesDiffers	Intel Core i3-500 Desktop Series	Intel Xeon 3500 Series
Processor codenameDiffers	Clarkdale	Bloomfield
Thermal Design Power (TDP)Differs	73 W	130 W
TcaseDiffers	72.6 °C	67.9 °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 installedKnown for one	1	Unknown — not stated by the source
Processor socketDiffers	LGA 1156 (Socket H)	Socket B (LGA 1366)
Number of Processing Die TransistorsDiffers	382 M	731 M
Processing Die sizeDiffers	81 mm²	263 mm²
CPU multiplier (bus/core ratio)Differs	22	21
SteppingDiffers	C2	D0
Maximum internal memory supported by processorDiffers	16 GB	24 GB
Memory types supported by processorDiffers	DDR3 1066/1333	DDR3-SDRAM
Memory bandwidth supported by processor (max)Differs	21 GB/s	25.6 GB/s
ECC supported by processorDiffers	No	Yes
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.06 GHz
Number of QPI linksKnown for one	Unknown — not stated by the source	1
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.55 V
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	800,1066 MHz
Memory5 differ
Internal memoryDiffers	2 GB	6 GB
Maximum internal memoryDiffers	8 GB	24 GB
Memory layout (slots x size)Differs	1 x 2 GB	3 x 2 GB
Memory clock speedDiffers	1333 MHz	1066 MHz
Memory channelsDiffers	Dual-channel	Triple-channel
Storage2 differ
Total storage capacityKnown for one	320 GB	Unknown — not stated by the source
HDD interfaceDiffers	SATA II	SATA
Card reader integratedDiffers	Yes	No
Floppy drive installedKnown for one	No	Unknown — not stated by the source
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
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
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® X58 Express
Networkidentical
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	1000 Mbit/s	Unknown — not stated by the source
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Wi-FiKnown for one	No	Unknown — not stated by the source
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers	8	10
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Headphone outputsDiffers	2	1
Line-outKnown for one	Yes	Unknown — not stated by the source
Line-inKnown for one	Yes	Unknown — not stated by the source
VGA (D-Sub) ports quantityDiffers	1	0
DVI portKnown for one	Yes	Unknown — not stated by the source
PS/2 ports quantityDiffers	2	0
Firewire (IEEE 1394) portsDiffers	0	2
Serial ports quantityDiffers	0	1
Expansion slotsidentical
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
PCI slotsKnown for one	1	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	240 W	625 W
Power managementKnown for one	ACPI	Unknown — not stated by the source
Power supply input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Power supply input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Design1 differ
Chassis typeDiffers	SFF	Tower
Product colourKnown for one	Black	Unknown — not stated by the source
Softwareidentical
Optional operating system suppliedKnown for one	Windows XP Professional	Unknown — not stated by the source
Display1 differ
Display diagonalDiffers	55.9 cm (22")	61 cm (24")
Display resolutionKnown for one	1680 x 1050 pixels	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
ResolutionKnown for one	Unknown — not stated by the source	1920 x 1200 pixels
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® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Processor ARK IDDiffers	46472	41313
Processor package sizeDiffers	37.5 x 37.5 mm	42.5 x 45.0 mm
Intel® Turbo Boost TechnologyDiffers	No	1.0
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Processor codeKnown for one	Unknown — not stated by the source	SLBKR
Audio1 differ
Audio systemDiffers	HDA	High Definition Audio
Weight & dimensions4 differ
WidthDiffers	317 mm	175 mm
DepthDiffers	99 mm	460 mm
HeightDiffers	355 mm	478 mm
WeightDiffers	7.5 kg	16.3 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
HDD user passwordKnown for one	Yes	Unknown — not stated by the source
Intel segment taggingKnown for one	Enterprise, Professional	Unknown — not stated by the source

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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