Product comparison · 2 pcs/workstations

Lenovo M81 SFF + ThinkVision LS2251 vs Lenovo M91p + ThinkVision LT2252p

119specifications compared
27differ
92identical
4known for one product only

Key differences

Processor family
- M81 SFF + ThinkVision LS2251:Intel® Core™ i3
- M91p + ThinkVision LT2252p:Intel® Core™ i5
Processor generation
- M81 SFF + ThinkVision LS2251:2nd gen Intel® Core™ i3
- M91p + ThinkVision LT2252p:2nd gen Intel® Core™ i5
Processor model
- M81 SFF + ThinkVision LS2251:i3-2100
- M91p + ThinkVision LT2252p:i5-2400
Processor cores
- M81 SFF + ThinkVision LS2251:2
- M91p + ThinkVision LT2252p:4
Processor cache
- M81 SFF + ThinkVision LS2251:3 MB
- M91p + ThinkVision LT2252p:6 MB
Thermal Design Power (TDP)
- M81 SFF + ThinkVision LS2251:35, 65
- M91p + ThinkVision LT2252p:95 W
Tcase
- M81 SFF + ThinkVision LS2251:69.1 °C
- M91p + ThinkVision LT2252p:72.6 °C
Internal memory
- M81 SFF + ThinkVision LS2251:2 GB
- M91p + ThinkVision LT2252p:4 GB

Side by side

Differences highlightedShow differences only

Comparison of M81 SFF + ThinkVision LS2251, M91p + ThinkVision LT2252p
123 specifications	A Lenovo M81 SFF + ThinkVision LS2251 View product	B Lenovo M91p + ThinkVision LT2252p View product
Processor8 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor generationDiffers	2nd gen Intel® Core™ i3	2nd gen Intel® Core™ i5
Processor modelDiffers	i3-2100	i5-2400
Processor coresDiffers	2	4
Processor threads	4	4
Processor frequency	3.1 GHz	3.1 GHz
Processor cacheDiffers	3 MB	6 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	DMI	DMI
FSB Parity	No	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 Core i3-2100 Desktop Series	Intel Core i5-2400 Desktop Series
Processor codename	Sandy Bridge	Sandy Bridge
Thermal Design Power (TDP)Differs	35, 65	95 W
TcaseDiffers	69.1 °C	72.6 °C
Maximum number of PCI Express lanes	16	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)	31	31
SteppingKnown for one	Q0	Unknown — not stated by the source
Maximum internal memory supported by processor	32 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	3.4 GHz
Memory2 differ
Internal memoryDiffers	2 GB	4 GB
Maximum internal memory	16 GB	16 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	1 x 2 GB	1 x 4 GB
Memory slots	4x DIMM	4x DIMM
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±RW
Number of HDDs installed	1	1
HDD capacityDiffers	320 GB	500 GB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integrated	No	No
Graphicsidentical
On-board graphics card	Yes	Yes
Discrete graphics card model	Not available	Not available
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 2000	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 ID	0x102	0x102
Graphics card family	Intel	Intel
Performance1 differ
Product type	PC	PC
Motherboard chipsetDiffers	Intel® Q65 Express	Intel® Q67 Express
Networkidentical
Modem typeKnown for one	No	Unknown — not stated by the source
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Wi-Fi	No	No
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ports & interfacesidentical
USB 2.0 ports quantity	8	8
DisplayPorts quantity	1	1
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
Serial ports quantity	1	1
Power1 differ
Power supplyDiffers	240 W	280 W
Design1 differ
Chassis typeDiffers	SFF	Tower
Product colour	Black	Black
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Displayidentical
Display included	Yes	Yes
Display diagonal	55.9 cm (22")	55.9 cm (22")
Display resolution	1680 x 1050 pixels	1680 x 1050 pixels
Native aspect ratio	16:10	16:10
Contrast ratio (typical)	1000:1	1000:1
Display brightness	250 cd/m²	250 cd/m²
Viewing angle, horizontal	170°	170°
Viewing angle, vertical	160°	160°
Processor special features7 differ
CPU configuration (max)	1	1
Embedded options availableDiffers	No	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
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 Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
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 Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	53422	52207
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Quick Sync Video Technology	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
Audioidentical
Audio system	High Definition Audio	High Definition Audio
Weight & dimensions4 differ
WidthDiffers	337 mm	175 mm
DepthDiffers	369 mm	442 mm
HeightDiffers	99.7 mm	414 mm
WeightDiffers	7.5 kg	11 kg
Other featuresidentical
Intel segment tagging	Enterprise, Professional	Enterprise, Professional

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.

More pcs/workstations comparisons

All pcs/workstations comparisons