Product comparison · 2 pcs/workstations

Lenovo 71 + LS2251 vs Lenovo M81 SFF + ThinkVision LT2252p

95specifications compared
28differ
67identical
45known for one product only

Key differences

Processor family
- 71 + LS2251:Intel Pentium G
- M81 SFF + ThinkVision LT2252p:Intel® Core™ i3
Processor model
- 71 + LS2251:G630
- M81 SFF + ThinkVision LT2252p:i3-2120
Processor threads
- 71 + LS2251:2
- M81 SFF + ThinkVision LT2252p:4
Processor frequency
- 71 + LS2251:2.7 GHz
- M81 SFF + ThinkVision LT2252p:3.3 GHz
CPU multiplier (bus/core ratio)
- 71 + LS2251:27
- M81 SFF + ThinkVision LT2252p:33
Memory types supported by processor
- 71 + LS2251:DDR3-SDRAM
- M81 SFF + ThinkVision LT2252p:DDR3 1066/1333
Memory bandwidth supported by processor (max)
- 71 + LS2251:17 GB/s
- M81 SFF + ThinkVision LT2252p:21 GB/s
Maximum internal memory
- 71 + LS2251:8 GB
- M81 SFF + ThinkVision LT2252p:16 GB

Side by side

Differences highlightedShow differences only

Comparison of 71 + LS2251, M81 SFF + ThinkVision LT2252p
140 specifications	A Lenovo 71 + LS2251 View product	B Lenovo M81 SFF + ThinkVision LT2252p View product
Processor8 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel Pentium G	Intel® Core™ i3
Processor modelDiffers	G630	i3-2120
Processor cores	2	2
Processor threadsDiffers	2	4
Processor frequencyDiffers	2.7 GHz	3.3 GHz
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	DMI	DMI
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)	65 W	65 W
Tcase	69.1 °C	69.1 °C
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	33
SteppingKnown for one	Q0	Unknown — not stated by the source
Maximum internal memory supported by processor	32 GB	32 GB
Memory types supported by processorDiffers	DDR3-SDRAM	DDR3 1066/1333
Memory clock speeds supported by processorKnown for one	1066 MHz	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Differs	17 GB/s	21 GB/s
Processor generationKnown for one	Unknown — not stated by the source	2nd gen Intel® Core™ i3
FSB ParityKnown for one	Unknown — not stated by the source	No
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
ECC supported by processorKnown for one	Unknown — not stated by the source	No
Memory1 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 clock speed	1333 MHz	1333 MHz
Memory channels	Dual-channel	Dual-channel
Memory slotsKnown for one	Unknown — not stated by the source	4x DIMM
Storage2 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 integratedKnown for one	Unknown — not stated by the source	Yes
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
Graphics card family	Intel	Intel
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Not available
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x102
Performance1 differ
Product type	PC	PC
Motherboard chipsetDiffers	Intel® H61	Intel® Q65 Express
Compatible processor seriesKnown for one	Intel® Core™ i3, Intel® Core™ i5, Intel® Core™ i7	Unknown — not stated by the source
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Wi-Fi	No	No
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	6	8
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-outKnown for one	Yes	Unknown — not stated by the source
Line-inKnown for one	Yes	Unknown — not stated by the source
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI portDiffers	Yes	No
PS/2 ports quantityKnown for one	0	Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
DC-in jackKnown for one	Yes	Unknown — not stated by the source
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Serial ports quantityKnown for one	Unknown — not stated by the source	1
Expansion slotsidentical
Number of 3.5" baysKnown for one	2	Unknown — not stated by the source
PCI Express x1 slotsKnown for one	2	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	280 W	240 W
Design1 differ
Chassis typeDiffers	Tower	SFF
Number of 5.25" baysKnown for one	1	Unknown — not stated by the source
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
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 ratioKnown for one	16:10	Unknown — not stated by the source
Contrast ratio (typical)	1000:1	1000:1
Display number of coloursKnown for one	16.78 million colours	Unknown — not stated by the source
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 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 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® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	53483	53426
Processor codeKnown for one	SR05S	Unknown — not stated by the source
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
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 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 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® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	No
Supported instruction setsKnown for one	Unknown — not stated by the source	AVX
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
Weight & dimensions4 differ
WidthDiffers	160 mm	337 mm
DepthDiffers	355 mm	369 mm
HeightDiffers	392 mm	99 mm
WeightDiffers	6.5 kg	7.5 kg
Packaging contentidentical
Mouse includedKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	High Definition Audio
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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