Product comparison · 2 pcs/workstations

Lenovo M81 SFF + ThinkVision L1900p vs Lenovo M91 USFF + ThinkVision L1900p

115specifications compared
12differ
103identical
3known for one product only

Key differences

Internal memory
- M81 SFF + ThinkVision L1900p:2 GB
- M91 USFF + ThinkVision L1900p:4 GB
Maximum internal memory
- M81 SFF + ThinkVision L1900p:16 GB
- M91 USFF + ThinkVision L1900p:8 GB
Memory layout (slots x size)
- M81 SFF + ThinkVision L1900p:1 x 2 GB
- M91 USFF + ThinkVision L1900p:1 x 4 GB
Memory slots
- M81 SFF + ThinkVision L1900p:4x DIMM
- M91 USFF + ThinkVision L1900p:2x SO-DIMM
Optical drive type
- M81 SFF + ThinkVision L1900p:DVD-RW
- M91 USFF + ThinkVision L1900p:DVD±RW
Card reader integrated
- M81 SFF + ThinkVision L1900p:Yes
- M91 USFF + ThinkVision L1900p:No
Motherboard chipset
- M81 SFF + ThinkVision L1900p:Intel® Q65 Express
- M91 USFF + ThinkVision L1900p:Intel® Q67 Express
Power supply
- M81 SFF + ThinkVision L1900p:240 W
- M91 USFF + ThinkVision L1900p:150 W

Side by side

Differences highlightedShow differences only

Comparison of M81 SFF + ThinkVision L1900p, M91 USFF + ThinkVision L1900p
118 specifications	A Lenovo M81 SFF + ThinkVision L1900p View product	B Lenovo M91 USFF + ThinkVision L1900p View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i3	Intel® Core™ i3
Processor generation	2nd gen Intel® Core™ i3	2nd gen Intel® Core™ i3
Processor model	i3-2120	i3-2120
Processor cores	2	2
Processor threads	4	4
Processor frequency	3.3 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 series	Intel Core i3-2100 Desktop Series	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 lanes	16	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)	33	33
Maximum internal memory supported by processor	32 GB	32 GB
Memory types supported by processor	DDR3 1066/1333	DDR3 1066/1333
Memory bandwidth supported by processor (max)	21 GB/s	21 GB/s
ECC supported by processor	No	No
Memory4 differ
Internal memoryDiffers	2 GB	4 GB
Maximum internal memoryDiffers	16 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	1 x 2 GB	1 x 4 GB
Memory slotsDiffers	4x DIMM	2x SO-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-RW	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
Graphicsidentical
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 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
Performance1 differ
Product type	PC	PC
Motherboard chipsetDiffers	Intel® Q65 Express	Intel® Q67 Express
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	Unknown — not stated by the source	10/100/1000Base-T(X)
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 quantityKnown for one	1	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	240 W	150 W
Designidentical
Chassis typeKnown for one	SFF	Unknown — not stated by the source
Product colour	Black	Black
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Displayidentical
Display included	Yes	Yes
Display diagonal	48.3 cm (19")	48.3 cm (19")
Display resolution	1280 x 1024 pixels	1280 x 1024 pixels
Contrast ratio (typical)	800:1	800:1
Display brightness	250 cd/m²	250 cd/m²
Viewing angle, horizontal	160°	160°
Viewing angle, vertical	160°	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	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)	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	53426	53426
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	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
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 & dimensions4 differ
WidthDiffers	337 mm	79 mm
DepthDiffers	369 mm	275 mm
HeightDiffers	99 mm	238 mm
WeightDiffers	7.5 kg	4.2 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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