Product comparison · 2 laptops

Lenovo IdeaPad U450 vs Lenovo ThinkPad X301 + USB Port Replicator

92specifications compared
29differ
63identical
38known for one product only

Key differences

Display diagonal
- IdeaPad U450:14, 14.0
- ThinkPad X301 + USB Port Replicator:33.8 cm (13.3")
Display resolution
- IdeaPad U450:1366 x 768 pixels
- ThinkPad X301 + USB Port Replicator:1440 x 900 pixels
Native aspect ratio
- IdeaPad U450:16:9
- ThinkPad X301 + USB Port Replicator:16:10
Processor family
- IdeaPad U450:Intel® Pentium®
- ThinkPad X301 + USB Port Replicator:Intel® Core™2 Duo
Processor model
- IdeaPad U450:SU4100
- ThinkPad X301 + USB Port Replicator:SU9400
Processor frequency
- IdeaPad U450:1.3 GHz
- ThinkPad X301 + USB Port Replicator:1.4 GHz
Processor cache
- IdeaPad U450:2 MB
- ThinkPad X301 + USB Port Replicator:3 MB
Internal memory
- IdeaPad U450:3 GB
- ThinkPad X301 + USB Port Replicator:2 GB

Side by side

Differences highlightedShow differences only

Comparison of IdeaPad U450, ThinkPad X301 + USB Port Replicator
130 specifications	A Lenovo IdeaPad U450 View product	B Lenovo ThinkPad X301 + USB Port Replicator View product
Display3 differ
Display diagonalDiffers	14, 14.0	33.8 cm (13.3")
Display resolutionDiffers	1366 x 768 pixels	1440 x 900 pixels
Native aspect ratioDiffers	16:9	16:10
Processor4 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium®	Intel® Core™2 Duo
Processor modelDiffers	SU4100	SU9400
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	1.3 GHz	1.4 GHz
Processor cacheDiffers	2 MB	3 MB
Processor cache type	L2	L2
Processor front side bus	800 MHz	800 MHz
Processor socket	BGA 956	BGA 956
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core 2 Duo SU9000 Series
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
Thermal Design Power (TDP)	10 W	10 W
TjunctionKnown for one	Unknown — not stated by the source	105 °C
Number of Processing Die Transistors	410 M	410 M
Processing Die size	107 mm²	107 mm²
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	7
ECC supported by processor	No	No
SteppingKnown for one	R0	Unknown — not stated by the source
TcaseKnown for one	100 °C	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	3 GB	2 GB
Memory clock speed	1066 MHz	1066 MHz
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 GB
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Storage1 differ
Total storage capacityDiffers	320 GB	120 GB
HDD speed	5400 RPM	5400 RPM
Card reader integrated	No	No
HDD capacityKnown for one	320 GB	Unknown — not stated by the source
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
Graphics1 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	Intel® GMA X4500	Intel® GMA 4500MHD
Graphics card familyKnown for one	Unknown — not stated by the source	Intel
Maximum resolutionKnown for one	2048 x 1536 pixels	Unknown — not stated by the source
Audioidentical
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Network1 differ
Networking typeKnown for one	Unknown — not stated by the source	Vodafone WWAN
Wireless technologyDiffers	Broadcom 11b/g Wi-Fi wireless	Intel Wifi Link 5300
Bluetooth	Yes	Yes
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Bluetooth versionKnown for one	2.1+EDR	Unknown — not stated by the source
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers	0	3
Ethernet LAN (RJ-45) portsDiffers	0	1
HDMI ports quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	0	1
Firewire (IEEE 1394) ports	0	0
Headphone outputsDiffers	0	1
S/PDIF out port	No	No
Microphone inDiffers	No	Yes
Docking connectorDiffers	No	Yes
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Modem (RJ-11) ports	0	0
TV-in port	No	No
TV-out	No	No
PS/2 ports quantity	0	0
Parallel ports quantity	0	0
Serial ports quantity	0	0
I/O portsKnown for one	VGA	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Keyboard special featuresKnown for one	Unknown — not stated by the source	ThinkVantage
Keyboard typeKnown for one	Full size	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows Vista Business
Pre-installed softwareKnown for one	Unknown — not stated by the source	XP Professional recovery media
Bundled softwareKnown for one	Unknown — not stated by the source	Intel vPro. Access Connections 5.0, Vista Gadget.
Processor special features4 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	No	No
Intel FDI Technology	No	No
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)	No	No
Intel Virtualization Technology (VT-x)Differs	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® Turbo Boost Technology	No	No
Processor ARK IDDiffers	43568	36697
Processor package sizeDiffers	22 x22 mm	22 x 22 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Processor codeKnown for one	SLGS4	Unknown — not stated by the source
Battery1 differ
Number of battery cellsDiffers	6	3
Battery life (max)Known for one	Unknown — not stated by the source	3.45 h
Securityidentical
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	IBM
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Password protection typeKnown for one	Unknown — not stated by the source	BIOS
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	EPEAT Gold, ClimateSavers, EnergyStar 4.0
Weight & dimensions4 differ
WeightDiffers	1.6 kg	1.33 kg
WidthDiffers	338.5 mm	318 mm
DepthDiffers	235.5 mm	231 mm
HeightDiffers	23 mm	18.6 mm
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	318 x 231 x 18.6 mm
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Other features1 differ
Infrared data port	No	No
Internal modemDiffers	No	Yes
Bundled hardwareKnown for one	Unknown — not stated by the source	Lenovo 43R8775
Supplied AC adapter type	AC	AC
Security featuresKnown for one	None	Unknown — not stated by the source
Battery typeKnown for one	6 Cell Lithium-Ion	Unknown — not stated by the source
Modem typeKnown for one	No	Unknown — not stated by the source
Designidentical
Product colourKnown for one	Black	Unknown — not stated by the source
Cameraidentical
Front cameraKnown for one	No	Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
Hard driveidentical
Storage drive typeKnown for one	320GB SATA/ 5400	Unknown — not stated by the source

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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