Product comparison · 2 pcs/workstations

Lenovo M91 USFF vs Lenovo M91P SFF

80specifications compared
29differ
51identical
35known for one product only

Key differences

Processor family
- M91 USFF:Intel® Pentium®
- M91P SFF:Intel® Core™ i5
Processor model
- M91 USFF:G620
- M91P SFF:i5-2500
Processor cores
- M91 USFF:2
- M91P SFF:4
Processor threads
- M91 USFF:2
- M91P SFF:4
Processor frequency
- M91 USFF:2.6 GHz
- M91P SFF:3.3 GHz
Processor cache
- M91 USFF:3 MB
- M91P SFF:6 MB
Thermal Design Power (TDP)
- M91 USFF:65 W
- M91P SFF:95 W
Tcase
- M91 USFF:69.1 °C
- M91P SFF:72.6 °C

Side by side

Differences highlightedShow differences only

Comparison of M91 USFF, M91P SFF
115 specifications	A Lenovo M91 USFF View product	B Lenovo M91P SFF View product
Processor13 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium®	Intel® Core™ i5
Processor generationKnown for one	Unknown — not stated by the source	2nd gen Intel® Core™ i5
Processor modelDiffers	G620	i5-2500
Processor coresDiffers	2	4
Processor threadsDiffers	2	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.7 GHz
Processor frequencyDiffers	2.6 GHz	3.3 GHz
Processor cacheDiffers	3 MB	6 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	DMI	DMI
FSB ParityKnown for one	Unknown — not stated by the source	No
System bus rate	5 GT/s	5 GT/s
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Pentium G600 Series for Desktop	Intel Core i5-2500 Desktop Series
Processor codename	Sandy Bridge	Sandy Bridge
Thermal Design Power (TDP)Differs	65 W	95 W
TcaseDiffers	69.1 °C	72.6 °C
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express slots version	2.0	2.0
Number of processors installed	1	1
Processor socket	LGA 1155 (Socket H2)	LGA 1155 (Socket H2)
CPU multiplier (bus/core ratio)Differs	26	31
SteppingDiffers	Q0	D2
Maximum internal memory supported by processor	32 GB	32 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	1066 MHz	1066,1333 MHz
Memory bandwidth supported by processor (max)Differs	17 GB/s	21 GB/s
ECC supported by processorKnown for one	Unknown — not stated by the source	No
Memory1 differ
Internal memoryDiffers	2 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Memory channels	Dual-channel	Dual-channel
Maximum internal memoryKnown for one	8 GB	Unknown — not stated by the source
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 speedKnown for one	7200 RPM	Unknown — not stated by the source
Card reader integratedKnown for one	No	Unknown — not stated by the source
Graphics1 differ
On-board graphics card	Yes	Yes
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 frequency	850 MHz	850 MHz
On-board graphics card dynamic frequency (max)	1100 MHz	1100 MHz
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x102
Graphics card family	Intel	Intel
Discrete graphics card modelKnown for one	Not available	Unknown — not stated by the source
Performanceidentical
Product type	PC	PC
Compatible processor seriesKnown for one	Unknown — not stated by the source	Intel® Core™ i5
Motherboard chipsetKnown for one	Intel® Q67 Express	Unknown — not stated by the source
Networkidentical
Ethernet LAN	Yes	Yes
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
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
Ports & interfacesidentical
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
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
Power1 differ
Power supplyDiffers	150 W	240 W
Designidentical
Chassis typeKnown for one	Unknown — not stated by the source	SFF
Product colour	Black	Black
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Displayidentical
Display included	No	No
Processor special features10 differ
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	No
Intel Dual Display Capable Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	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)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	No
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	53480	52209
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction setsDiffers	SSE4.1, SSE4.2	AVX, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® Quick Sync Video TechnologyDiffers	No	Yes
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	No
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Intel® Anti-Theft Technology (Intel® AT)Known for one	Unknown — not stated by the source	No
Conflict-Free processorKnown for one	Unknown — not stated by the source	No
Processor codeKnown for one	SR05R	Unknown — not stated by the source
Certificatesidentical
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Other featuresidentical
Intel segment tagging	Enterprise, Professional	Enterprise, Professional
Audioidentical
Audio systemKnown for one	High Definition Audio	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	275 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

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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