Product comparison · 2 pcs/workstations

Lenovo M90 USFF + ThinkVision L2251p vs Lenovo M91P SFF

90specifications compared
35differ
55identical
40known for one product only

Key differences

Processor family
- M90 USFF + ThinkVision L2251p:Intel® Core™ i3
- M91P SFF:Intel® Core™ i5
Processor generation
- M90 USFF + ThinkVision L2251p:Intel® Core™ i3
- M91P SFF:2nd gen Intel® Core™ i5
Processor model
- M90 USFF + ThinkVision L2251p:i3-550
- M91P SFF:i5-2500
Processor cores
- M90 USFF + ThinkVision L2251p:2
- M91P SFF:4
Processor frequency
- M90 USFF + ThinkVision L2251p:3.2 GHz
- M91P SFF:3.3 GHz
Processor cache
- M90 USFF + ThinkVision L2251p:4 MB
- M91P SFF:6 MB
System bus rate
- M90 USFF + ThinkVision L2251p:2.5 GT/s
- M91P SFF:5 GT/s
Processor codename
- M90 USFF + ThinkVision L2251p:Clarkdale
- M91P SFF:Sandy Bridge

Side by side

Differences highlightedShow differences only

Comparison of M90 USFF + ThinkVision L2251p, M91P SFF
130 specifications	A Lenovo M90 USFF + ThinkVision L2251p View product	B Lenovo M91P SFF View product
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor generationDiffers	Intel® Core™ i3	2nd gen Intel® Core™ i5
Processor modelDiffers	i3-550	i5-2500
Processor coresDiffers	2	4
Processor threads	4	4
Processor frequencyDiffers	3.2 GHz	3.3 GHz
Processor cacheDiffers	4 MB	6 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	DMI	DMI
FSB Parity	No	No
System bus rateDiffers	2.5 GT/s	5 GT/s
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i3-500 Desktop Series	Intel Core i5-2500 Desktop Series
Processor codenameDiffers	Clarkdale	Sandy Bridge
Thermal Design Power (TDP)Differs	73 W	95 W
Tcase	72.6 °C	72.6 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsKnown for one	1x16, 2x8	Unknown — not stated by the source
PCI Express slots version	2.0	2.0
Number of processors installed	1	1
Processor socketDiffers	LGA 1156 (Socket H)	LGA 1155 (Socket H2)
Number of Processing Die TransistorsKnown for one	382 M	Unknown — not stated by the source
Processing Die sizeKnown for one	81 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Differs	24	31
SteppingDiffers	K0	D2
Maximum internal memory supported by processorDiffers	16 GB	32 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processor	1066,1333 MHz	1066,1333 MHz
Memory bandwidth supported by processor (max)	21 GB/s	21 GB/s
ECC supported by processor	No	No
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.7 GHz
Memory1 differ
Internal memoryDiffers	2 GB	4 GB
Maximum internal memoryKnown for one	8 GB	Unknown — not stated by the source
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Known for one	1 x 2 GB	Unknown — not stated by the source
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Memory clock speed	1333 MHz	1333 MHz
Memory channels	Dual-channel	Dual-channel
Storage3 differ
Total storage capacityDiffers	320 GB	500 GB
Optical drive typeDiffers	DVD-RW	DVD-ROM
Number of HDDs installed	1	1
HDD capacityDiffers	320 GB	500 GB
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Card reader integratedKnown for one	No	Unknown — not stated by the source
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics card modelKnown for one	Not available	Unknown — not stated by the source
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics	Intel® HD Graphics 2000
Number of displays supported (on-board graphics)	2	2
On-board graphics card base frequencyDiffers	733 MHz	850 MHz
Graphics card family	Intel	Intel
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	1100 MHz
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x102
Performanceidentical
Product type	PC	PC
Motherboard chipsetKnown for one	Intel® Q57	Unknown — not stated by the source
Compatible processor seriesKnown for one	Unknown — not stated by the source	Intel® Core™ i5
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Wi-FiKnown for one	No	Unknown — not stated by the source
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Ports & interfacesidentical
USB 2.0 ports quantityKnown for one	8	Unknown — not stated by the source
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI port	No	No
Power1 differ
Power supplyDiffers	130 W	240 W
Designidentical
Product colour	Black	Black
Chassis typeKnown for one	Unknown — not stated by the source	SFF
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Display1 differ
Display includedDiffers	Yes	No
Display diagonalKnown for one	55.9 cm (22")	Unknown — not stated by the source
Display resolutionKnown for one	1680 x 1050 pixels	Unknown — not stated by the source
Native aspect ratioKnown for one	16:10	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 features13 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 Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel Rapid Storage Technology	No	No
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® Wireless Display (Intel® WiDi)	No	No
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
Processor ARK IDDiffers	48505	52209
Processor codeKnown for one	SLBUD	Unknown — not stated by the source
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction setsDiffers	SSE4.2	AVX, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesDiffers	No	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Quick Sync Video TechnologyDiffers	No	Yes
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Audioidentical
Audio systemKnown for one	High Definition Audio	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	278 mm	Unknown — not stated by the source
DepthKnown for one	238 mm	Unknown — not stated by the source
HeightKnown for one	79 mm	Unknown — not stated by the source
WeightKnown for one	4.2 kg	Unknown — not stated by the source
Other featuresidentical
Intel segment tagging	Enterprise, Professional	Enterprise, Professional
Certificatesidentical
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab

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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