Product comparison · 2 pcs/workstations

Lenovo M91p + ThinkVision L197w vs Lenovo M91p + ThinkVision L2251p

115specifications compared
6differ
109identical
6known for one product only

Key differences

Optical drive type
- M91p + ThinkVision L197w:DVD±RW
- M91p + ThinkVision L2251p:DVD-RW
Discrete graphics card model
- M91p + ThinkVision L197w:Not available
- M91p + ThinkVision L2251p:Intel® HD Graphics
Display diagonal
- M91p + ThinkVision L197w:48.3 cm (19")
- M91p + ThinkVision L2251p:55.9 cm (22")
Display resolution
- M91p + ThinkVision L197w:1440 x 900 pixels
- M91p + ThinkVision L2251p:1680 x 1050 pixels
Viewing angle, horizontal
- M91p + ThinkVision L197w:176°
- M91p + ThinkVision L2251p:170°
Viewing angle, vertical
- M91p + ThinkVision L197w:176°
- M91p + ThinkVision L2251p:160°

Side by side

Differences highlightedShow differences only

Comparison of M91p + ThinkVision L197w, M91p + ThinkVision L2251p
121 specifications	A Lenovo M91p + ThinkVision L197w View product	B Lenovo M91p + ThinkVision L2251p View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i5	Intel® Core™ i5
Processor generation	2nd gen Intel® Core™ i5	2nd gen Intel® Core™ i5
Processor model	i5-2400	i5-2400
Processor cores	4	4
Processor threads	4	4
Processor boost frequency	3.4 GHz	3.4 GHz
Processor frequency	3.1 GHz	3.1 GHz
Processor cache	6 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 series	Intel Core i5-2400 Desktop Series	Intel Core i5-2400 Desktop Series
Processor codename	Sandy Bridge	Sandy Bridge
Thermal Design Power (TDP)	95 W	95 W
Tcase	72.6 °C	72.6 °C
Maximum number of PCI Express lanes	16	16
PCI Express slots version	2.0	2.0
Number of processors installedKnown for one	1	Unknown — not stated by the source
Processor socket	LGA 1155 (Socket H2)	LGA 1155 (Socket H2)
CPU multiplier (bus/core ratio)	31	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
Memoryidentical
Internal memory	4 GB	4 GB
Maximum internal memory	16 GB	16 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)	1 x 4 GB	1 x 4 GB
Memory slots	4x DIMM	4x DIMM
Memory clock speed	1333 MHz	1333 MHz
Memory channels	Dual-channel	Dual-channel
Storage1 differ
Total storage capacity	500 GB	500 GB
Optical drive typeDiffers	DVD±RW	DVD-RW
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	500 GB	Unknown — not stated by the source
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integrated	No	No
Graphics1 differ
On-board graphics card	Yes	Yes
Discrete graphics card modelDiffers	Not available	Intel® HD Graphics
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 2000	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 ID	0x102	0x102
Graphics card family	Intel	Intel
Performanceidentical
Product type	PC	PC
Motherboard chipset	Intel® Q67 Express	Intel® Q67 Express
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Wi-Fi	No	No
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Ports & interfacesidentical
USB 2.0 ports quantity	8	8
DisplayPorts quantity	1	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
Serial ports quantity	1	1
Poweridentical
Power supply	280 W	280 W
Designidentical
Chassis type	Tower	Tower
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	48.3 cm (19")	55.9 cm (22")
Display resolutionDiffers	1440 x 900 pixels	1680 x 1050 pixels
Contrast ratio (typical)	1000:1	1000:1
Display brightness	250 cd/m²	250 cd/m²
Viewing angle, horizontalDiffers	176°	170°
Viewing angle, verticalDiffers	176°	160°
Processor special featuresidentical
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 version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	Yes	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)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK ID	52207	52207
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® Quick Sync Video Technology	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
Audioidentical
Audio system	High Definition Audio	High Definition Audio
Weight & dimensionsidentical
Width	175 mm	175 mm
Depth	442 mm	442 mm
Height	414 mm	414 mm
Weight	11 kg	11 kg
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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