Product comparison · 2 laptops

Lenovo IdeaPad U450p vs Lenovo ThinkPad T500 + ThinkPad Essential Port Replicator

85specifications compared
29differ
56identical
15known for one product only

Key differences

Display diagonal
- IdeaPad U450p:35.6 cm (14")
- ThinkPad T500 + ThinkPad Essential Port Replicator:39.1 cm (15.4")
Processor family
- IdeaPad U450p:Intel® Celeron® M
- ThinkPad T500 + ThinkPad Essential Port Replicator:Intel® Core™2 Duo
Processor model
- IdeaPad U450p:743
- ThinkPad T500 + ThinkPad Essential Port Replicator:P8400
Processor cores
- IdeaPad U450p:1
- ThinkPad T500 + ThinkPad Essential Port Replicator:2
Processor threads
- IdeaPad U450p:1
- ThinkPad T500 + ThinkPad Essential Port Replicator:2
Processor frequency
- IdeaPad U450p:1.3 GHz
- ThinkPad T500 + ThinkPad Essential Port Replicator:2.26 GHz
Processor cache
- IdeaPad U450p:1 MB
- ThinkPad T500 + ThinkPad Essential Port Replicator:3 MB
Processor front side bus
- IdeaPad U450p:800 MHz
- ThinkPad T500 + ThinkPad Essential Port Replicator:1066 MHz

Side by side

Differences highlightedShow differences only

Comparison of IdeaPad U450p, ThinkPad T500 + ThinkPad Essential Port Replicator
100 specifications	A Lenovo IdeaPad U450p View product	B Lenovo ThinkPad T500 + ThinkPad Essential Port Replicator View product
Designidentical
Product colourKnown for one	Black	Unknown — not stated by the source
Display1 differ
Display diagonalDiffers	35.6 cm (14")	39.1 cm (15.4")
Display resolutionKnown for one	1366 x 768 pixels	Unknown — not stated by the source
Native aspect ratioKnown for one	16:9	Unknown — not stated by the source
Processor12 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron® M	Intel® Core™2 Duo
Processor modelDiffers	743	P8400
Processor coresDiffers	1	2
Processor threadsDiffers	1	2
Processor frequencyDiffers	1.3 GHz	2.26 GHz
Processor cacheDiffers	1 MB	3 MB
Processor cache type	L2	L2
Processor front side busDiffers	800 MHz	1066 MHz
Processor socketDiffers	BGA 956	Socket 478
Processor lithography	45 nm	45 nm
Processor seriesDiffers	Intel Celeron M ULV 700 Series	Intel Core 2 Duo P8000 Series
Processor codename	Penryn	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
SteppingDiffers	R0	M0
Thermal Design Power (TDP)Differs	10 W	25 W
TjunctionDiffers	100 °C	105 °C
Number of Processing Die Transistors	410 M	410 M
Processing Die size	107 mm²	107 mm²
ECC supported by processor	No	No
Processor operating modesKnown for one	Unknown — not stated by the source	64-bit
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	8.5
Memory2 differ
Internal memoryDiffers	2 GB	1 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR2-SDRAM
Memory clock speedKnown for one	1066 MHz	Unknown — not stated by the source
Storage1 differ
Total storage capacityDiffers	250 GB	160 GB
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Card reader integrated	No	No
Graphicsidentical
Discrete graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Intel® GMA X4500	Unknown — not stated by the source
Cameraidentical
Front camera	No	No
Network1 differ
Wireless technologyKnown for one	Broadcom 11b/g Wi-Fi wireless	Unknown — not stated by the source
BluetoothDiffers	Yes	No
Bluetooth versionKnown for one	2.1+EDR	Unknown — not stated by the source
Ports & interfacesidentical
USB 2.0 ports quantity	0	0
Ethernet LAN (RJ-45) ports	0	0
HDMI ports quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	0	0
Firewire (IEEE 1394) ports	0	0
Headphone outputs	0	0
S/PDIF out port	No	No
Microphone in	No	No
Docking connector	No	No
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
Keyboardidentical
Pointing deviceKnown for one	Touchpad	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows Vista Home Basic
Processor special features10 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options availableDiffers	No	Yes
Enhanced Intel SpeedStep TechnologyDiffers	No	Yes
Execute Disable BitDiffers	No	Yes
Intel 64Differs	No	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt StateDiffers	No	Yes
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	37135	35569
Processor codeDiffers	SLGEV	SL3BU
Processor package sizeDiffers	22 x 22 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Batteryidentical
Number of battery cells	6	6
Weight & dimensionsidentical
WeightKnown for one	1.6 kg	Unknown — not stated by the source
Other features1 differ
Infrared data port	No	No
Internal modemDiffers	No	Yes
Supplied AC adapter type	AC	AC
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business

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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