Product comparison · 2 pcs/workstations

Lenovo Edge 71 SFF vs Lenovo M81 SFF + ThinkVision LS2251

95specifications compared
30differ
65identical
27known for one product only

Key differences

Processor family
- Edge 71 SFF:Intel Pentium G
- M81 SFF + ThinkVision LS2251:Intel® Core™ i3
Processor model
- Edge 71 SFF:G630
- M81 SFF + ThinkVision LS2251:i3-2100
Processor threads
- Edge 71 SFF:2
- M81 SFF + ThinkVision LS2251:4
Processor frequency
- Edge 71 SFF:2.7 GHz
- M81 SFF + ThinkVision LS2251:3.1 GHz
Thermal Design Power (TDP)
- Edge 71 SFF:65 W
- M81 SFF + ThinkVision LS2251:35, 65
CPU multiplier (bus/core ratio)
- Edge 71 SFF:27
- M81 SFF + ThinkVision LS2251:31
Memory clock speeds supported by processor
- Edge 71 SFF:1066 MHz
- M81 SFF + ThinkVision LS2251:1066,1333 MHz
Memory bandwidth supported by processor (max)
- Edge 71 SFF:17 GB/s
- M81 SFF + ThinkVision LS2251:21 GB/s

Side by side

Differences highlightedShow differences only

Comparison of Edge 71 SFF, M81 SFF + ThinkVision LS2251
122 specifications	A Lenovo Edge 71 SFF View product	B Lenovo M81 SFF + ThinkVision LS2251 View product
Processor9 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel Pentium G	Intel® Core™ i3
Processor generationKnown for one	Unknown — not stated by the source	2nd gen Intel® Core™ i3
Processor modelDiffers	G630	i3-2100
Processor cores	2	2
Processor threadsDiffers	2	4
Processor frequencyDiffers	2.7 GHz	3.1 GHz
Processor cache	3 MB	3 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 i3-2100 Desktop Series
Processor codename	Sandy Bridge	Sandy Bridge
Thermal Design Power (TDP)Differs	65 W	35, 65
Tcase	69.1 °C	69.1 °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	27	31
Stepping	Q0	Q0
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
Memory2 differ
Internal memory	2 GB	2 GB
Maximum internal memoryDiffers	8 GB	16 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)	1 x 2 GB	1 x 2 GB
Memory slotsDiffers	2x DIMM	4x DIMM
Memory clock speed	1333 MHz	1333 MHz
Memory channels	Dual-channel	Dual-channel
Storage3 differ
Total storage capacityDiffers	250 GB	320 GB
Optical drive type	DVD-RW	DVD-RW
Number of HDDs installed	1	1
HDD capacityDiffers	250 GB	320 GB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integratedDiffers	Yes	No
Graphics1 differ
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 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
Performance1 differ
Product type	PC	PC
Motherboard chipsetDiffers	Intel® H61	Intel® Q65 Express
Networkidentical
Modem typeKnown for one	Unknown — not stated by the source	No
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Wi-Fi	No	No
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	6	8
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI portDiffers	Yes	No
Serial ports quantityKnown for one	Unknown — not stated by the source	1
Power1 differ
Power supplyDiffers	180 W	240 W
Designidentical
Chassis type	SFF	SFF
Product colour	Black	Black
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Display1 differ
Display includedDiffers	No	Yes
Display diagonalKnown for one	Unknown — not stated by the source	55.9 cm (22")
Display resolutionKnown for one	Unknown — not stated by the source	1680 x 1050 pixels
Native aspect ratioKnown for one	Unknown — not stated by the source	16:10
Contrast ratio (typical)Known for one	Unknown — not stated by the source	1000:1
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Viewing angle, horizontalKnown for one	Unknown — not stated by the source	170°
Viewing angle, verticalKnown for one	Unknown — not stated by the source	160°
Processor special features6 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 Technology	No	No
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)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
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	53483	53422
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction setsKnown for one	Unknown — not stated by the source	AVX
Thermal Monitoring Technologies	Yes	Yes
Intel® Turbo Boost Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
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	SR05S	Unknown — not stated by the source
Audioidentical
Audio system	High Definition Audio	High Definition Audio
Weight & dimensions4 differ
WidthDiffers	97 mm	337 mm
DepthDiffers	368.1 mm	369 mm
HeightDiffers	333.6 mm	99.7 mm
WeightDiffers	6.5 kg	7.5 kg
Other featuresidentical
Intel segment taggingKnown for one	Unknown — not stated by the source	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.

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