Product comparison · 2 pcs/workstations

Lenovo A70 + 19" LCD vs Lenovo M81 + ThinkVision L1951p

87specifications compared
35differ
52identical
31known for one product only

Key differences

The Lenovo M81 + ThinkVision L1951p has 2 more processor threads than the Lenovo A70 + 19" LCD (4 vs 2). The Lenovo M81 + ThinkVision L1951p has 0.1 GHz more processor frequency than the Lenovo A70 + 19" LCD (3.1 GHz vs 3 GHz). The Lenovo M81 + ThinkVision L1951p has 1 MB more processor cache than the Lenovo A70 + 19" LCD (3 MB vs 2 MB). Only the Lenovo M81 + ThinkVision L1951p has Intel Dual Display Capable Technology. Only the Lenovo M81 + ThinkVision L1951p has Intel FDI Technology.

Processor family
- A70 + 19" LCD:Intel® Pentium®
- M81 + ThinkVision L1951p:Intel® Core™ i3
Processor model
- A70 + 19" LCD:E5700
- M81 + ThinkVision L1951p:i3-2100
Processor threads
- A70 + 19" LCD:2
- M81 + ThinkVision L1951p:4
Processor frequency
- A70 + 19" LCD:3 GHz
- M81 + ThinkVision L1951p:3.1 GHz
Processor cache
- A70 + 19" LCD:2 MB
- M81 + ThinkVision L1951p:3 MB
Bus type
- A70 + 19" LCD:FSB
- M81 + ThinkVision L1951p:DMI
Processor lithography
- A70 + 19" LCD:45 nm
- M81 + ThinkVision L1951p:32 nm
Processor codename
- A70 + 19" LCD:Wolfdale
- M81 + ThinkVision L1951p:Sandy Bridge

Side by side

Differences highlightedShow differences only

Comparison of A70 + 19" LCD, M81 + ThinkVision L1951p
118 specifications	A Lenovo A70 + 19" LCD View product	B Lenovo M81 + ThinkVision L1951p View product
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium®	Intel® Core™ i3
Processor generationKnown for one	Unknown — not stated by the source	2nd gen Intel® Core™ i3
Processor modelDiffers	E5700	i3-2100
Processor cores	2	2
Processor threadsDiffers	2	4
Processor frequencyDiffers	3 GHz	3.1 GHz
Processor cacheDiffers	2 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Bus typeDiffers	FSB	DMI
FSB Parity	No	No
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Processor lithographyDiffers	45 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Pentium E5000 Series for Desktop	Intel Core i3-2100 Desktop Series
Processor codenameDiffers	Wolfdale	Sandy Bridge
Thermal Design Power (TDP)Differs	65 W	35, 65
TcaseDiffers	74.1 °C	69.1 °C
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
Processor socketDiffers	LGA 775 (Socket T)	LGA 1155 (Socket H2)
CPU multiplier (bus/core ratio)Differs	15	31
SteppingDiffers	R0	Q0
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	32 GB
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3-SDRAM
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	1066,1333 MHz
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	21 GB/s
ECC supported by processor	No	No
Processor front side busKnown for one	800 MHz	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	228 M	Unknown — not stated by the source
Processing Die sizeKnown for one	82 mm²	Unknown — not stated by the source
Memory2 differ
Internal memory	2 GB	2 GB
Maximum internal memoryDiffers	4 GB	16 GB
Memory slotsDiffers	2x DIMM	4x DIMM
Memory clock speed	1333 MHz	1333 MHz
Memory channelsKnown for one	Unknown — not stated by the source	Dual-channel
Memory layout (slots x size)Known for one	1 x 2 GB	Unknown — not stated by the source
Storageidentical
Total storage capacity	320 GB	320 GB
Optical drive type	DVD-RW	DVD-RW
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integrated	No	No
Graphics1 differ
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelDiffers	Intel® GMA X4500	Intel® HD Graphics 2000
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics 2000
Number of displays supported (on-board graphics)Known for one	Unknown — not stated by the source	2
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	850 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	1100 MHz
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x102
Graphics card family	Intel	Intel
Performanceidentical
Product type	PC	PC
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® Q65 Express
Networkidentical
Ethernet LAN	Yes	Yes
Wi-Fi	No	No
Networking features	Gigabit Ethernet	Gigabit Ethernet
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
Serial ports quantity	1	1
Power1 differ
Power supplyDiffers	180 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
Displayidentical
Display included	Yes	Yes
Display diagonal	48.3 cm (19")	48.3 cm (19")
Display resolutionKnown for one	Unknown — not stated by the source	1440 x 900 pixels
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	170°
Processor special features11 differ
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 Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyDiffers	No	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	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 Technology	No	No
Intel VT-x with Extended Page Tables (EPT)Differs	No	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)	No	No
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	42801	53422
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction setsKnown for one	Unknown — not stated by the source	AVX
Thermal Monitoring Technologies	Yes	Yes
Intel® Turbo Boost Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
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 processor	No	No
Audio1 differ
Audio systemDiffers	Realtek ALC662	High Definition Audio
Weight & dimensions4 differ
WidthDiffers	160 mm	175 mm
DepthDiffers	355 mm	442 mm
HeightDiffers	392 mm	414 mm
WeightDiffers	10.5 kg	11 kg
Other featuresidentical
Intel segment taggingKnown for one	Unknown — not stated by the source	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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