Product comparison · 2 pcs/workstations

Lenovo M71e + ThinkVision LS2221 vs Lenovo M81 + ThinkVision LT2452p

115specifications compared
35differ
80identical
24known for one product only

Key differences

The Lenovo M81 + ThinkVision LT2452p has 2 more processor threads than the Lenovo M71e + ThinkVision LS2221 (4 vs 2). The Lenovo M81 + ThinkVision LT2452p has 0.4 GHz more processor frequency than the Lenovo M71e + ThinkVision LS2221 (3.3 GHz vs 2.9 GHz). The Lenovo M81 + ThinkVision LT2452p has 4 more CPU multiplier (bus/core ratio) than the Lenovo M71e + ThinkVision LS2221 (33 vs 29). Only the Lenovo M71e + ThinkVision LS2221 has card reader integrated. Only the Lenovo M71e + ThinkVision LS2221 has DVI port.

Processor family
- M71e + ThinkVision LS2221:Intel® Pentium®
- M81 + ThinkVision LT2452p:Intel® Core™ i3
Processor model
- M71e + ThinkVision LS2221:G850
- M81 + ThinkVision LT2452p:i3-2120
Processor threads
- M71e + ThinkVision LS2221:2
- M81 + ThinkVision LT2452p:4
Processor frequency
- M71e + ThinkVision LS2221:2.9 GHz
- M81 + ThinkVision LT2452p:3.3 GHz
CPU multiplier (bus/core ratio)
- M71e + ThinkVision LS2221:29
- M81 + ThinkVision LT2452p:33
Memory types supported by processor
- M71e + ThinkVision LS2221:DDR3-SDRAM
- M81 + ThinkVision LT2452p:DDR3 1066/1333
Maximum internal memory
- M71e + ThinkVision LS2221:8 GB
- M81 + ThinkVision LT2452p:16 GB
Memory slots
- M71e + ThinkVision LS2221:2x DIMM
- M81 + ThinkVision LT2452p:4x DIMM

Side by side

Differences highlightedShow differences only

Comparison of M71e + ThinkVision LS2221, M81 + ThinkVision LT2452p
139 specifications	A Lenovo M71e + ThinkVision LS2221 View product	B Lenovo M81 + ThinkVision LT2452p View product
Processor7 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium®	Intel® Core™ i3
Processor generationKnown for one	Unknown — not stated by the source	2nd gen Intel® Core™ i3
Processor modelDiffers	G850	i3-2120
Processor cores	2	2
Processor threadsDiffers	2	4
Processor frequencyDiffers	2.9 GHz	3.3 GHz
Processor cache	3 MB	3 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 Pentium G800 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
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	29	33
Maximum internal memory supported by processor	32 GB	32 GB
Memory types supported by processorDiffers	DDR3-SDRAM	DDR3 1066/1333
Memory bandwidth supported by processor (max)	21 GB/s	21 GB/s
ECC supported by processor	No	No
SteppingKnown for one	Q0	Unknown — not stated by the source
Memory clock speeds supported by processorKnown for one	1066,1333 MHz	Unknown — not stated by the source
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
Storage2 differ
Total storage capacity	500 GB	500 GB
Optical drive typeDiffers	DVD Super Multi	DVD-RW
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
HDD sizeKnown for one	Unknown — not stated by the source	3.5"
Card reader integratedDiffers	Yes	No
RAID levelsKnown for one	Unknown — not stated by the source	0, 1
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 Express	Intel® Q65 Express
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
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
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Serial ports quantity	1	1
PS/2 ports quantityKnown for one	2	Unknown — not stated by the source
Expansion slots1 differ
Number of 3.5" baysDiffers	1	2
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	1
PCI Express x16 slotsKnown for one	Unknown — not stated by the source	1
PCI slotsKnown for one	Unknown — not stated by the source	2
Power1 differ
Power supplyDiffers	240 W	280 W
Design1 differ
Chassis typeDiffers	SFF	Tower
Number of 5.25" bays	1	1
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Product colour	Black	Black
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Display4 differ
Display included	Yes	Yes
Display diagonalDiffers	54.6 cm (21.5")	61 cm (24")
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
Native aspect ratio	16:9	16:9
Contrast ratio (typical)	1000:1	1000:1
Display brightnessDiffers	250 cd/m²	300 cd/m²
Viewing angle, horizontalDiffers	170°	178°
Viewing angle, verticalDiffers	160°	178°
Processor special features8 differ
CPU configuration (max)	1	1
Embedded options available	Yes	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 versionKnown for one	Unknown — not stated by the source	1.00
Intel Rapid Storage Technology	No	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)	No	No
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	53491	53426
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction setsDiffers	SSE4.1, SSE4.2	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)	No	No
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processorDiffers	Yes	No
Processor codeKnown for one	SR05Q	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	High Definition Audio	HD
Number of speakersKnown for one	1	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	335 mm	175 mm
DepthDiffers	382 mm	442 mm
HeightDiffers	99 mm	414 mm
WeightDiffers	6.6 kg	11 kg
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Keyboard includedKnown for one	Unknown — not stated by the source	Yes
Certificatesidentical
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
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.

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