Product comparison · 2 pcs/workstations

Lenovo M91 + ThinkVision L197 vs Lenovo M91 + ThinkVision L2251p

103specifications compared
4differ
99identical
0known for one product only

Key differences

Display diagonal
- M91 + ThinkVision L197:48.3 cm (19")
- M91 + ThinkVision L2251p:55.9 cm (22")
Display resolution
- M91 + ThinkVision L197:1440 x 900 pixels
- M91 + ThinkVision L2251p:1680 x 1050 pixels
Viewing angle, horizontal
- M91 + ThinkVision L197:176°
- M91 + ThinkVision L2251p:170°
Viewing angle, vertical
- M91 + ThinkVision L197:176°
- M91 + ThinkVision L2251p:160°

Side by side

Differences highlightedShow differences only

Comparison of M91 + ThinkVision L197, M91 + ThinkVision L2251p
103 specifications	A Lenovo M91 + ThinkVision L197 View product	B Lenovo M91 + ThinkVision L2251p View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium®	Intel® Pentium®
Processor model	G620	G620
Processor cores	2	2
Processor threads	2	2
Processor frequency	2.6 GHz	2.6 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 series	Intel Pentium G600 Series for Desktop	Intel Pentium G600 Series for Desktop
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)	26	26
Stepping	Q0	Q0
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 MHz	1066 MHz
Memory bandwidth supported by processor (max)	17 GB/s	17 GB/s
Memoryidentical
Internal memory	2 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)	1 x 2 GB	1 x 2 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Memory clock speed	1333 MHz	1333 MHz
Memory channels	Dual-channel	Dual-channel
Storageidentical
Total storage capacity	320 GB	320 GB
Optical drive type	DVD-RW	DVD-RW
Number of HDDs installed	1	1
HDD interface	SATA	SATA
Card reader integrated	No	No
Graphicsidentical
On-board graphics card	Yes	Yes
Discrete graphics card model	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 frequency	850 MHz	850 MHz
On-board graphics card dynamic frequency (max)	1100 MHz	1100 MHz
Graphics card family	Intel	Intel
Performanceidentical
Product type	PC	PC
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 features	Gigabit Ethernet	Gigabit Ethernet
Ports & interfacesidentical
USB 2.0 ports quantity	10	10
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
HDMI ports quantity	0	0
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
Firewire (IEEE 1394) ports	0	0
Expansion slotsidentical
PCI slots	1	1
Designidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	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	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	No	No
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)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK ID	53480	53480
Processor code	SR05R	SR05R
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction sets	SSE4.1, SSE4.2	SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Intel® Turbo Boost Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® Quick Sync Video Technology	No	No
Audioidentical
Audio system	HD	HD
Certificatesidentical
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Certification	RoHS	RoHS
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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