Product comparison · 2 pcs/workstations

Lenovo M71e + ThinkVision LS2221 vs Lenovo M91p + L1900p

115specifications compared
41differ
74identical
25known for one product only

Key differences

The Lenovo M91p + L1900p has 2 more processor cores than the Lenovo M71e + ThinkVision LS2221 (4 vs 2). The Lenovo M91p + L1900p has 2 more processor threads than the Lenovo M71e + ThinkVision LS2221 (4 vs 2). The Lenovo M91p + L1900p has 0.2 GHz more processor frequency than the Lenovo M71e + ThinkVision LS2221 (3.1 GHz vs 2.9 GHz). 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®
- M91p + L1900p:Intel® Core™ i5
Processor model
- M71e + ThinkVision LS2221:G850
- M91p + L1900p:i5-2400
Processor cores
- M71e + ThinkVision LS2221:2
- M91p + L1900p:4
Processor threads
- M71e + ThinkVision LS2221:2
- M91p + L1900p:4
Processor frequency
- M71e + ThinkVision LS2221:2.9 GHz
- M91p + L1900p:3.1 GHz
Processor cache
- M71e + ThinkVision LS2221:3 MB
- M91p + L1900p:6 MB
Thermal Design Power (TDP)
- M71e + ThinkVision LS2221:65 W
- M91p + L1900p:95 W
Tcase
- M71e + ThinkVision LS2221:69.1 °C
- M91p + L1900p:72.6 °C

Side by side

Differences highlightedShow differences only

Comparison of M71e + ThinkVision LS2221, M91p + L1900p
140 specifications	A Lenovo M71e + ThinkVision LS2221 View product	B Lenovo M91p + L1900p View product
Processor10 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	G850	i5-2400
Processor coresDiffers	2	4
Processor threadsDiffers	2	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.4 GHz
Processor frequencyDiffers	2.9 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 Pentium G800 Series for Desktop	Intel Core i5-2400 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	29	31
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
SteppingKnown for one	Q0	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	2 GB	4 GB
Maximum internal memoryDiffers	8 GB	16 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory slotsDiffers	2x DIMM	4x DIMM
Memory clock speed	1333 MHz	1333 MHz
Memory channels	Dual-channel	Dual-channel
Memory layout (slots x size)Known for one	1 x 2 GB	Unknown — not stated by the source
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
Card reader integratedDiffers	Yes	No
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
Performance1 differ
Product type	PC	PC
Motherboard chipsetDiffers	Intel® H61 Express	Intel® Q67 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
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	6	8
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-outKnown for one	Unknown — not stated by the source	Yes
Line-inKnown for one	Unknown — not stated by the source	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI portDiffers	Yes	No
PS/2 ports quantityDiffers	2	0
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
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
Poweridentical
Power supply	240 W	240 W
Designidentical
Chassis type	SFF	SFF
Number of 5.25" bays	1	1
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")	48.3 cm (19")
Display resolutionDiffers	1920 x 1080 pixels	1280 x 1024 pixels
Contrast ratio (typical)Differs	1000:1	800:1
Display number of coloursKnown for one	Unknown — not stated by the source	16.78 million colours
Display brightness	250 cd/m²	250 cd/m²
Viewing angle, horizontalDiffers	170°	160°
Viewing angle, vertical	160°	160°
Native aspect ratioKnown for one	16:9	Unknown — not stated by the source
Processor special features11 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 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)	No	No
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	53491	52207
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 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)	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	337 mm
DepthDiffers	382 mm	369 mm
HeightDiffers	99 mm	99.7 mm
WeightDiffers	6.6 kg	7.5 kg
Certificatesidentical
Compliance certificates	RoHS	RoHS
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR
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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