Product comparison · 2 laptops

Lenovo IdeaPad S12, ES vs Lenovo IdeaPad U450

75specifications compared
32differ
43identical
50known for one product only

Key differences

Display diagonal
- IdeaPad S12, ES:30.7 cm (12.1")
- IdeaPad U450:14, 14.0
Display resolution
- IdeaPad S12, ES:1280 x 800 pixels
- IdeaPad U450:1366 x 768 pixels
Native aspect ratio
- IdeaPad S12, ES:16:10
- IdeaPad U450:16:9
Processor family
- IdeaPad S12, ES:Intel Pentium Mobile
- IdeaPad U450:Intel® Pentium®
Processor model
- IdeaPad S12, ES:N270
- IdeaPad U450:SU4100
Processor cores
- IdeaPad S12, ES:1
- IdeaPad U450:2
Processor frequency
- IdeaPad S12, ES:1.6 GHz
- IdeaPad U450:1.3 GHz
Processor cache
- IdeaPad S12, ES:0.512 MB
- IdeaPad U450:2 MB

Side by side

Differences highlightedShow differences only

Comparison of IdeaPad S12, ES, IdeaPad U450
125 specifications	A Lenovo IdeaPad S12, ES View product	B Lenovo IdeaPad U450 View product
Designidentical
Product typeKnown for one	Netbook	Unknown — not stated by the source
Display3 differ
Display diagonalDiffers	30.7 cm (12.1")	14, 14.0
Display resolutionDiffers	1280 x 800 pixels	1366 x 768 pixels
Native aspect ratioDiffers	16:10	16:9
Processor13 differ
Processor familyDiffers	Intel Pentium Mobile	Intel® Pentium®
Processor modelDiffers	N270	SU4100
Processor coresDiffers	1	2
Processor frequencyDiffers	1.6 GHz	1.3 GHz
Processor cacheDiffers	0.512 MB	2 MB
Processor front side busDiffers	533 MHz	800 MHz
Processor socketDiffers	Socket F (1207)	BGA 956
Processor operating modesDiffers	32-bit	64-bit
Processor codenameDiffers	Diamondville	Penryn
SteppingDiffers	C0	R0
Thermal Design Power (TDP)Differs	2.5 W	10 W
TcaseKnown for one	Unknown — not stated by the source	100 °C
Number of Processing Die TransistorsDiffers	47 M	410 M
Processing Die sizeDiffers	26 mm²	107 mm²
Processor seriesKnown for one	Intel Atom N200 Series	Unknown — not stated by the source
TjunctionKnown for one	90 °C	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	12	Unknown — not stated by the source
Memory2 differ
Internal memoryDiffers	2 GB	3 GB
Memory clock speedDiffers	667 MHz	1066 MHz
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Internal memory typeKnown for one	DDR2-SDRAM	Unknown — not stated by the source
Storageidentical
Total storage capacityKnown for one	Unknown — not stated by the source	320 GB
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Optical drive typeKnown for one	No	Unknown — not stated by the source
Graphicsidentical
Discrete graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel® GMA X4500
Maximum resolutionKnown for one	Unknown — not stated by the source	2048 x 1536 pixels
Maximum graphics card memoryKnown for one	0.256 GB	Unknown — not stated by the source
Graphics cardKnown for one	ION	Unknown — not stated by the source
Network1 differ
Wireless technologyDiffers	IEEE 802.11b/g	Broadcom 11b/g Wi-Fi wireless
Wi-FiKnown for one	Yes	Unknown — not stated by the source
Networking featuresKnown for one	Fast Ethernet, WLAN	Unknown — not stated by the source
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	3	0
Ethernet LAN (RJ-45) portsDiffers	1	0
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
DVI portKnown for one	Unknown — not stated by the source	No
VGA (D-Sub) ports quantityDiffers	1	0
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
Headphone outputsDiffers	1	0
S/PDIF out portKnown for one	Unknown — not stated by the source	No
Microphone inDiffers	Yes	No
Docking connectorKnown for one	Unknown — not stated by the source	No
ExpressCard slotKnown for one	Unknown — not stated by the source	No
CardBus PCMCIA slots quantityKnown for one	Unknown — not stated by the source	0
CardBus PCMCIA slot typeKnown for one	Unknown — not stated by the source	No
SmartCard slotKnown for one	Unknown — not stated by the source	No
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	0
TV-in portKnown for one	Unknown — not stated by the source	No
TV-outKnown for one	Unknown — not stated by the source	No
PS/2 ports quantityKnown for one	Unknown — not stated by the source	0
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
Serial ports quantityKnown for one	Unknown — not stated by the source	0
I/O portsKnown for one	Unknown — not stated by the source	VGA
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	Touchpad
Keyboard typeKnown for one	Unknown — not stated by the source	Full size
Processor special features7 differ
Embedded options availableDiffers	Yes	No
Intel 64Differs	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Processor ARK IDDiffers	36331	43568
Processor codeDiffers	SLB73	SLGS4
Processor package sizeDiffers	22 x 22 mm	22 x22 mm
Thermal Monitoring TechnologiesDiffers	Yes	No
Idle StatesKnown for one	No	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE2, SSE3	Unknown — not stated by the source
Batteryidentical
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Battery life (max)Known for one	0 h	Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	65 W
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	1.5 kg	1.6 kg
WidthKnown for one	Unknown — not stated by the source	338.5 mm
DepthKnown for one	Unknown — not stated by the source	235.5 mm
HeightKnown for one	Unknown — not stated by the source	23 mm
Hard driveidentical
Storage drive typeKnown for one	Unknown — not stated by the source	320GB SATA/ 5400
Other featuresidentical
Security featuresKnown for one	Unknown — not stated by the source	None
Infrared data portKnown for one	Unknown — not stated by the source	No
Battery typeKnown for one	Unknown — not stated by the source	6 Cell Lithium-Ion
Internal modemKnown for one	Unknown — not stated by the source	No
Modem typeKnown for one	Unknown — not stated by the source	No

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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