Product comparison · 2 pcs/workstations

Lenovo ThinkCentre M71e Intel® Pentium® G620 vs Lenovo M90 USFF + ThinkVision L2251p

94specifications compared
40differ
54identical
47known for one product only

Key differences

Processor family
- ThinkCentre M71e Intel® Pentium® G620:Intel® Pentium®
- M90 USFF + ThinkVision L2251p:Intel® Core™ i3
Processor model
- ThinkCentre M71e Intel® Pentium® G620:G620
- M90 USFF + ThinkVision L2251p:i3-550
Processor threads
- ThinkCentre M71e Intel® Pentium® G620:2
- M90 USFF + ThinkVision L2251p:4
Processor frequency
- ThinkCentre M71e Intel® Pentium® G620:2.6 GHz
- M90 USFF + ThinkVision L2251p:3.2 GHz
Processor cache
- ThinkCentre M71e Intel® Pentium® G620:3 MB
- M90 USFF + ThinkVision L2251p:4 MB
System bus rate
- ThinkCentre M71e Intel® Pentium® G620:5 GT/s
- M90 USFF + ThinkVision L2251p:2.5 GT/s
Processor codename
- ThinkCentre M71e Intel® Pentium® G620:Sandy Bridge
- M90 USFF + ThinkVision L2251p:Clarkdale
Thermal Design Power (TDP)
- ThinkCentre M71e Intel® Pentium® G620:65 W
- M90 USFF + ThinkVision L2251p:73 W

Side by side

Differences highlightedShow differences only

Comparison of M71e, M90 USFF + ThinkVision L2251p
141 specifications	A Lenovo ThinkCentre M71e Intel® Pentium® G620 Model M71e View product	B Lenovo M90 USFF + ThinkVision L2251p View product
Processor16 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium®	Intel® Core™ i3
Processor generationKnown for one	Unknown — not stated by the source	Intel® Core™ i3
Processor modelDiffers	G620	i3-550
Processor cores	2	2
Processor threadsDiffers	2	4
Processor frequencyDiffers	2.6 GHz	3.2 GHz
Processor cacheDiffers	3 MB	4 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 rateDiffers	5 GT/s	2.5 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 i3-500 Desktop Series
Processor codenameDiffers	Sandy Bridge	Clarkdale
Thermal Design Power (TDP)Differs	65 W	73 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 configurationsKnown for one	Unknown — not stated by the source	1x16, 2x8
PCI Express slots version	2.0	2.0
Number of processors installed	1	1
Processor socketDiffers	LGA 1155 (Socket H2)	LGA 1156 (Socket H)
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	382 M
Processing Die sizeKnown for one	Unknown — not stated by the source	81 mm²
CPU multiplier (bus/core ratio)Differs	26	24
SteppingDiffers	Q0	K0
Maximum internal memory supported by processorDiffers	32 GB	16 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
Memory3 differ
Internal memoryDiffers	3 GB	2 GB
Maximum internal memory	8 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	1 x 1 + 1 x 2 GB	1 x 2 GB
Memory slotsDiffers	2x DIMM	2x SO-DIMM
Memory clock speed	1333 MHz	1333 MHz
Memory channels	Dual-channel	Dual-channel
Storage3 differ
Total storage capacityDiffers	500 GB	320 GB
Optical drive typeDiffers	DVD Super Multi DL	DVD-RW
Number of HDDs installed	1	1
HDD capacityKnown for one	Unknown — not stated by the source	320 GB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integratedDiffers	Yes	No
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
Graphics1 differ
On-board graphics card	Yes	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Not available
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics	Intel® HD Graphics
Number of displays supported (on-board graphics)	2	2
On-board graphics card base frequencyDiffers	850 MHz	733 MHz
Graphics card family	Intel	Intel
On-board graphics card dynamic frequency (max)Known for one	1100 MHz	Unknown — not stated by the source
Performance1 differ
Product type	PC	PC
Motherboard chipsetDiffers	Intel® H61	Intel® Q57
Audio output channelsKnown for one	5.1 channels	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
Wi-Fi	No	No
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Ports & interfaces1 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 port	No	No
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
Line-outKnown for one	Yes	Unknown — not stated by the source
PS/2 ports quantityKnown for one	2	Unknown — not stated by the source
Serial ports quantityKnown for one	0	Unknown — not stated by the source
Parallel ports quantityKnown for one	0	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	240 W	130 W
Designidentical
Product colour	Black	Black
Chassis typeKnown for one	SFF	Unknown — not stated by the source
Number of 5.25" baysKnown for one	1	Unknown — not stated by the source
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 features8 differ
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	45 nm
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 AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
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 Technology	No	No
Intel® Insider™	No	No
Intel® Wireless Display (Intel® WiDi)	No	No
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Processor ARK IDDiffers	53480	48505
Processor codeDiffers	SR05R	SLBUD
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction setsDiffers	SSE4.1, SSE4.2	SSE4.2
Thermal Monitoring TechnologiesDiffers	Yes	No
Intel® Turbo Boost Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Quick Sync Video Technology	No	No
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	No
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
Audio1 differ
Audio systemDiffers	HD	High Definition Audio
Weight & dimensions4 differ
WidthDiffers	99 mm	278 mm
DepthDiffers	335 mm	238 mm
HeightDiffers	382 mm	79 mm
WeightDiffers	9.5 kg	4.2 kg
Other featuresidentical
Intel segment tagging	Enterprise, Professional	Enterprise, Professional
Optical driveidentical
BD interface typeKnown for one	SATA	Unknown — not stated by the source
Expansion slotsidentical
Number of 3.5" baysKnown for one	2	Unknown — not stated by the source
PCI Express x1 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
Packaging contentidentical
Mouse includedKnown for one	Yes	Unknown — not stated by the source
Keyboard 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
Sustainabilityidentical
Sustainability certificatesKnown for one	EPEAT Gold, ENERGY STAR	Unknown — not stated by the source

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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