Product comparison · 2 pcs/workstations

Lenovo ThinkCentre M90p + ThinkVision L2251x vs Lenovo ThinkCentre M90p + ThinkVision L2321x

115specifications compared
7differ
108identical
5known for one product only

Key differences

The Lenovo ThinkCentre M90p + ThinkVision L2321x has 40 W more power supply than the Lenovo ThinkCentre M90p + ThinkVision L2251x (280 W vs 240 W). The Lenovo ThinkCentre M90p + ThinkVision L2251x has 142 mm more width than the Lenovo ThinkCentre M90p + ThinkVision L2321x (317 mm vs 175 mm). The Lenovo ThinkCentre M90p + ThinkVision L2321x has 59 mm more depth than the Lenovo ThinkCentre M90p + ThinkVision L2251x (414 mm vs 355 mm). Chassis type: SFF on the Lenovo ThinkCentre M90p + ThinkVision L2251x, Tower on the Lenovo ThinkCentre M90p + ThinkVision L2321x. Display diagonal: 55.9 cm (22") on the Lenovo ThinkCentre M90p + ThinkVision L2251x, 58.4 cm (23") on the Lenovo ThinkCentre M90p + ThinkVision L2321x.

Power supply
- ThinkCentre M90p + ThinkVision L2251x:240 W
- ThinkCentre M90p + ThinkVision L2321x:280 W
Chassis type
- ThinkCentre M90p + ThinkVision L2251x:SFF
- ThinkCentre M90p + ThinkVision L2321x:Tower
Display diagonal
- ThinkCentre M90p + ThinkVision L2251x:55.9 cm (22")
- ThinkCentre M90p + ThinkVision L2321x:58.4 cm (23")
Display resolution
- ThinkCentre M90p + ThinkVision L2251x:1680 x 1050 pixels
- ThinkCentre M90p + ThinkVision L2321x:1920 x 1080 pixels
Width
- ThinkCentre M90p + ThinkVision L2251x:317 mm
- ThinkCentre M90p + ThinkVision L2321x:175 mm
Depth
- ThinkCentre M90p + ThinkVision L2251x:355 mm
- ThinkCentre M90p + ThinkVision L2321x:414 mm
Height
- ThinkCentre M90p + ThinkVision L2251x:99 mm
- ThinkCentre M90p + ThinkVision L2321x:442 mm

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre M90p + ThinkVision L2251x, ThinkCentre M90p + ThinkVision L2321x
120 specifications	A Lenovo ThinkCentre M90p + ThinkVision L2251x View product	B Lenovo ThinkCentre M90p + ThinkVision L2321x View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i5	Intel® Core™ i5
Processor generation	Intel® Core™ i5	Intel® Core™ i5
Processor model	i5-650	i5-650
Processor cores	2	2
Processor threads	4	4
Processor boost frequency	3.46 GHz	3.46 GHz
Processor frequency	3.2 GHz	3.2 GHz
Processor cache	4 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	DMI	DMI
FSB Parity	No	No
System bus rate	2.5 GT/s	2.5 GT/s
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i5-600 Desktop Series	Intel Core i5-600 Desktop Series
Processor codename	Clarkdale	Clarkdale
Thermal Design Power (TDP)	73 W	73 W
Tcase	72.6 °C	72.6 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8	1x16, 2x8
PCI Express slots version	2.0	2.0
Processor socket	LGA 1156 (Socket H)	LGA 1156 (Socket H)
Number of Processing Die Transistors	382 M	382 M
Processing Die size	81 mm²	81 mm²
CPU multiplier (bus/core ratio)	24	24
Stepping	C2	C2
Maximum internal memory supported by processor	16 GB	16 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
Memoryidentical
Internal memory	4 GB	4 GB
Maximum internal memory	8 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)	2 x 2 GB	2 x 2 GB
Memory channels	Dual-channel	Dual-channel
Storageidentical
Total storage capacity	500 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 family	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	733 MHz	733 MHz
Graphics card family	Intel	Intel
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 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
PS/2 ports quantity	2	2
Serial ports quantityKnown for one	1	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	240 W	280 W
Power supply input voltageKnown for one	115 - 230 V	Unknown — not stated by the source
Power supply input frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Design1 differ
Chassis typeDiffers	SFF	Tower
Product colour	Black	Black
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Display2 differ
Display included	Yes	Yes
Display diagonalDiffers	55.9 cm (22")	58.4 cm (23")
Display resolutionDiffers	1680 x 1050 pixels	1920 x 1080 pixels
Native aspect ratioKnown for one	16:10	Unknown — not stated by the source
Contrast ratio (typical)	1000:1	1000:1
Display brightness	250 cd/m²	250 cd/m²
Viewing angle, horizontal	170°	170°
Viewing angle, vertical	160°	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
Graphics & IMC lithography	45 nm	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 Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
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	No	No
Intel® Insider™	No	No
Intel® Wireless Display (Intel® WiDi)	No	No
Physical Address Extension (PAE)	36 bit	36 bit
Processor ARK ID	43546	43546
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction sets	SSE4.2	SSE4.2
Thermal Monitoring Technologies	No	No
Intel® Turbo Boost Technology	1.0	1.0
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	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
Audioidentical
Audio system	High Definition Audio	High Definition Audio
Weight & dimensions3 differ
WidthDiffers	317 mm	175 mm
DepthDiffers	355 mm	414 mm
HeightDiffers	99 mm	442 mm
WeightKnown for one	Unknown — not stated by the source	11 kg
Packaging contentidentical
Remote control included	No	No
Other featuresidentical
TV tuner integrated	No	No
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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