Product comparison · 2 laptops

Lenovo THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64 vs Lenovo IdeaPad U350 Intel® Pentium® SU4100

99specifications compared
57differ
42identical
56known for one product only

Key differences

The Lenovo THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64 has 2 more processor threads than the Lenovo IdeaPad U350 Intel® Pentium® SU4100 (4 vs 2). The Lenovo THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64 has 1.1 GHz more processor frequency than the Lenovo IdeaPad U350 Intel® Pentium® SU4100 (2.4 GHz vs 1.3 GHz). The Lenovo THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64 has 1 MB more processor cache than the Lenovo IdeaPad U350 Intel® Pentium® SU4100 (3 MB vs 2 MB). Only the Lenovo THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64 has Bluetooth. Only the Lenovo THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64 has docking connector.

Display diagonal
- THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64:30.7 cm (12.1")
- IdeaPad U350 Intel® Pentium® SU4100:33.8 cm (13.3")
Display resolution
- THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64:1280 x 800 pixels
- IdeaPad U350 Intel® Pentium® SU4100:1366 x 768 pixels
Native aspect ratio
- THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64:16:10
- IdeaPad U350 Intel® Pentium® SU4100:16:9
Processor family
- THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64:Intel® Core™ i5
- IdeaPad U350 Intel® Pentium® SU4100:Intel® Pentium®
Processor model
- THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64:i5-520M
- IdeaPad U350 Intel® Pentium® SU4100:SU4100
Processor threads
- THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64:4
- IdeaPad U350 Intel® Pentium® SU4100:2
Processor frequency
- THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64:2.4 GHz
- IdeaPad U350 Intel® Pentium® SU4100:1.3 GHz
Processor cache
- THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64:3 MB
- IdeaPad U350 Intel® Pentium® SU4100:2 MB

Side by side

Differences highlightedShow differences only

Comparison of THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64, U350
155 specifications	A Lenovo THINKPAD X201 CI5/520M-2.66G 320GB 4GB 12.1IN DVD RW W7P64 View product	B Lenovo IdeaPad U350 Intel® Pentium® SU4100 Model U350 View product
Designidentical
Product colourKnown for one	Black	Unknown — not stated by the source
Display3 differ
Display diagonalDiffers	30.7 cm (12.1")	33.8 cm (13.3")
Display resolutionDiffers	1280 x 800 pixels	1366 x 768 pixels
Native aspect ratioDiffers	16:10	16:9
Dual-screenKnown for one	No	Unknown — not stated by the source
LED backlightKnown for one	Unknown — not stated by the source	Yes
Display brightnessKnown for one	Unknown — not stated by the source	200 cd/m²
Contrast ratio (typical)Known for one	Unknown — not stated by the source	500:1
Processor13 differ
Processor familyDiffers	Intel® Core™ i5	Intel® Pentium®
Processor generationKnown for one	Intel® Core™ i5	Unknown — not stated by the source
Processor modelDiffers	i5-520M	SU4100
Processor threadsDiffers	4	2
Processor boost frequencyKnown for one	2.93 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.4 GHz	1.3 GHz
System bus rateKnown for one	2.5 GT/s	Unknown — not stated by the source
Processor cacheDiffers	3 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
Processor lithographyDiffers	32 nm	45 nm
Processor seriesKnown for one	Intel Core i5-500 Mobile Series	Unknown — not stated by the source
Processor codenameDiffers	Arrandale	Penryn
Bus typeDiffers	DMI	FSB
SteppingDiffers	C2	R0
Thermal Design Power (TDP)Differs	35 W	10 W
TjunctionKnown for one	105 °C	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Number of Processing Die TransistorsDiffers	382 M	410 M
Processing Die sizeDiffers	81 mm²	107 mm²
CPU multiplier (bus/core ratio)Known for one	18	Unknown — not stated by the source
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
TcaseKnown for one	Unknown — not stated by the source	100 °C
Memory2 differ
Internal memoryDiffers	4 GB	3 GB
Maximum internal memoryDiffers	8 GB	4 GB
Memory clock speedKnown for one	Unknown — not stated by the source	1066 MHz
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 1 + 1 x 2 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Storage4 differ
Total storage capacityDiffers	128 GB	250 GB
HDD speedDiffers	7200 RPM	5400 RPM
Optical drive typeDiffers	No	DVD-RW
Compatible memory cardsDiffers	MMC, SD, SDHC	Memory Stick (MS), MMC, MS PRO, SD
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Graphicsidentical
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card modelKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	500 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	766 MHz	Unknown — not stated by the source
Maximum graphics card memoryKnown for one	0.384 GB	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	High Definition Audio	HD
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Speaker powerKnown for one	Unknown — not stated by the source	1.5 W
Network1 differ
Mobile network connectionKnown for one	Yes	Unknown — not stated by the source
Mobile network generationKnown for one	3G	Unknown — not stated by the source
BluetoothDiffers	Yes	No
Wireless technologyKnown for one	Unknown — not stated by the source	Wi-Fi
Ethernet LANKnown for one	Unknown — not stated by the source	Yes
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ports & interfaces6 differ
HDMI ports quantityDiffers	0	1
DisplayPorts quantityDiffers	1	0
Docking connectorDiffers	Yes	No
ExpressCard slotDiffers	Yes	No
SmartCard slotDiffers	Yes	No
Modem (RJ-11) portsDiffers	1	0
TV-in portKnown for one	No	Unknown — not stated by the source
PS/2 ports quantityKnown for one	0	Unknown — not stated by the source
Parallel ports quantityKnown for one	0	Unknown — not stated by the source
Serial ports quantityKnown for one	0	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Intel® QM57 Express	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceDiffers	ThinkPad UltraNav	Touchpad
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 7 Home Premium
Processor special features19 differ
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Embedded options availableDiffers	Yes	No
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel Clear Video TechnologyDiffers	Yes	No
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel Enhanced Halt StateDiffers	Yes	No
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
Intel Virtualization Technology (VT-x)Differs	Yes	No
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	Yes	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Turbo Boost TechnologyDiffers	1.0	No
Physical Address Extension (PAE)Known for one	36 bit	Unknown — not stated by the source
Processor ARK IDDiffers	47341	43568
Processor package sizeDiffers	rPGA 37.5x 37.5, BGA 34x28	22 x22 mm
Supported instruction setsKnown for one	SSE4.1/4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesDiffers	Yes	No
Processor codeKnown for one	Unknown — not stated by the source	SLGS4
Battery1 differ
Number of battery cellsDiffers	6	4
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	65 W
Securityidentical
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
HDD user passwordKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions5 differ
WeightDiffers	1.44 kg	1.6 kg
WidthDiffers	295 mm	328 mm
DepthDiffers	210 mm	228 mm
Height (front)Differs	2.07 cm	1.7 cm
Height (rear)Differs	3.53 cm	2.49 cm
Other featuresidentical
Internal modemKnown for one	Yes	Unknown — not stated by the source
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Modem speedKnown for one	56 Kbit/s	Unknown — not stated by the source
Modem typeKnown for one	V.92	Unknown — not stated by the source
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Power requirementsKnown for one	Unknown — not stated by the source	100 - 240V
Power supply typeKnown for one	Unknown — not stated by the source	AC/DC
Cameraidentical
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	1.3 MP

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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