Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A70 + ThinkVision L2251p vs Lenovo ThinkCentre M90p + ThinkVision L1900p

95specifications compared
41differ
54identical
28known for one product only

Key differences

The Lenovo ThinkCentre M90p + ThinkVision L1900p has 2 more processor threads than the Lenovo ThinkCentre A70 + ThinkVision L2251p (4 vs 2). The Lenovo ThinkCentre M90p + ThinkVision L1900p has 0.27 GHz more processor frequency than the Lenovo ThinkCentre A70 + ThinkVision L2251p (3.2 GHz vs 2.93 GHz). The Lenovo ThinkCentre M90p + ThinkVision L1900p has 1 MB more processor cache than the Lenovo ThinkCentre A70 + ThinkVision L2251p (4 MB vs 3 MB). Only the Lenovo ThinkCentre M90p + ThinkVision L1900p has Intel Dual Display Capable Technology. Only the Lenovo ThinkCentre M90p + ThinkVision L1900p has Intel FDI Technology.

Processor family
- ThinkCentre A70 + ThinkVision L2251p:Intel® Core™2 Duo
- ThinkCentre M90p + ThinkVision L1900p:Intel® Core™ i5
Processor model
- ThinkCentre A70 + ThinkVision L2251p:E7500
- ThinkCentre M90p + ThinkVision L1900p:i5-650
Processor threads
- ThinkCentre A70 + ThinkVision L2251p:2
- ThinkCentre M90p + ThinkVision L1900p:4
Processor frequency
- ThinkCentre A70 + ThinkVision L2251p:2.93 GHz
- ThinkCentre M90p + ThinkVision L1900p:3.2 GHz
Processor cache
- ThinkCentre A70 + ThinkVision L2251p:3 MB
- ThinkCentre M90p + ThinkVision L1900p:4 MB
Processor cache type
- ThinkCentre A70 + ThinkVision L2251p:L2
- ThinkCentre M90p + ThinkVision L1900p:Smart Cache
Bus type
- ThinkCentre A70 + ThinkVision L2251p:FSB
- ThinkCentre M90p + ThinkVision L1900p:DMI
Processor lithography
- ThinkCentre A70 + ThinkVision L2251p:45 nm
- ThinkCentre M90p + ThinkVision L1900p:32 nm

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A70 + ThinkVision L2251p, ThinkCentre M90p + ThinkVision L1900p
123 specifications	A Lenovo ThinkCentre A70 + ThinkVision L2251p View product	B Lenovo ThinkCentre M90p + ThinkVision L1900p View product
Processor17 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™2 Duo	Intel® Core™ i5
Processor generationKnown for one	Unknown — not stated by the source	Intel® Core™ i5
Processor modelDiffers	E7500	i5-650
Processor cores	2	2
Processor threadsDiffers	2	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.46 GHz
Processor frequencyDiffers	2.93 GHz	3.2 GHz
Processor cacheDiffers	3 MB	4 MB
Processor cache typeDiffers	L2	Smart Cache
Bus typeDiffers	FSB	DMI
FSB Parity	No	No
System bus rateKnown for one	Unknown — not stated by the source	2.5 GT/s
Processor lithographyDiffers	45 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo E7000 Series	Intel Core i5-600 Desktop Series
Processor codenameDiffers	Wolfdale	Clarkdale
Thermal Design Power (TDP)Differs	65 W	73 W
TcaseDiffers	74.1 °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 versionKnown for one	Unknown — not stated by the source	2.0
Processor socketDiffers	LGA 775 (Socket T)	LGA 1156 (Socket H)
Number of Processing Die TransistorsDiffers	228 M	382 M
Processing Die sizeDiffers	82 mm²	81 mm²
CPU multiplier (bus/core ratio)Differs	11	24
SteppingDiffers	R0	C2
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	16 GB
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3 1066/1333
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	1066 MHz	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	2 GB	4 GB
Maximum internal memoryDiffers	4 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	1 x 2 GB	2 x 2 GB
Memory channelsKnown for one	Unknown — not stated by the source	Dual-channel
Memory slotsKnown for one	2x DIMM	Unknown — not stated by the source
Storage1 differ
Total storage capacityDiffers	320 GB	500 GB
Optical drive type	DVD-RW	DVD-RW
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integrated	No	No
Floppy drive installed	No	No
Graphicsidentical
On-board graphics card	Yes	Yes
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
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	733 MHz
Graphics card family	Intel	Intel
Discrete graphics card modelKnown for one	Intel® GMA X4500	Unknown — not stated by the source
Performanceidentical
Product type	PC	PC
Audio output channels	5.1 channels	5.1 channels
Networkidentical
Ethernet LAN	Yes	Yes
Wi-Fi	No	No
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ports & interfacesidentical
USB 2.0 ports quantity	8	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
PS/2 ports quantity	2	2
Serial ports quantityKnown for one	Unknown — not stated by the source	1
Power1 differ
Power supplyDiffers	180 W	240 W
Power supply input voltageKnown for one	Unknown — not stated by the source	115 - 230 V
Power supply input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Design1 differ
Chassis typeDiffers	Tower	SFF
Product colour	Black	Black
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Display4 differ
Display included	Yes	Yes
Display diagonalDiffers	55.9 cm (22")	48.3 cm (19")
Display resolutionDiffers	1680 x 1050 pixels	1280 x 1024 pixels
Contrast ratio (typical)Differs	1000:1	800:1
Display brightness	250 cd/m²	250 cd/m²
Viewing angle, horizontalDiffers	170°	160°
Viewing angle, vertical	160°	160°
Processor special features12 differ
CPU configuration (max)Known for one	Unknown — not stated by the source	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 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 Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology (VT-x)Differs	2	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
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 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	36 bit
Processor ARK IDDiffers	36503	43546
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	SSE4.2
Thermal Monitoring TechnologiesDiffers	Yes	No
Intel® Turbo Boost TechnologyDiffers	No	1.0
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Quick Sync Video Technology	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
Processor codeKnown for one	SLB9Z	Unknown — not stated by the source
Audioidentical
Audio system	High Definition Audio	High Definition Audio
Weight & dimensions2 differ
WidthDiffers	160 mm	317 mm
Depth	355 mm	355 mm
HeightDiffers	392 mm	99 mm
WeightKnown for one	10.5 kg	Unknown — not stated by the source
Packaging contentidentical
Remote control included	No	No
Other featuresidentical
TV tuner integrated	No	No
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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