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 colour	Black	Black
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 manufacturer	Intel	Intel
Processor familyDiffers	Intel Pentium Mobile	Intel® Pentium®
Processor modelDiffers	N270	SU4100
Processor coresDiffers	1	2
Processor threads	2	2
Processor frequencyDiffers	1.6 GHz	1.3 GHz
Processor cacheDiffers	0.512 MB	2 MB
Processor cache type	L2	L2
Processor front side busDiffers	533 MHz	800 MHz
Processor socketDiffers	Socket F (1207)	BGA 956
Processor lithography	45 nm	45 nm
Processor operating modesDiffers	32-bit	64-bit
Processor codenameDiffers	Diamondville	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
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
ECC supported by processor	No	No
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 capacity	320 GB	320 GB
HDD interface	SATA	SATA
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Card reader integrated	No	No
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
Cameraidentical
Front camera	No	No
Network1 differ
Wireless technologyDiffers	IEEE 802.11b/g	Broadcom 11b/g Wi-Fi wireless
Ethernet LAN	Yes	Yes
Bluetooth	Yes	Yes
Bluetooth version	2.1+EDR	2.1+EDR
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
Softwareidentical
Operating system installed	Windows 7 Home Premium	Windows 7 Home Premium
Processor special features7 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options availableDiffers	Yes	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	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 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 Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	No	No
Intel Virtualization Technology (VT-x)	No	No
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)Differs	Yes	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	36331	43568
Processor codeDiffers	SLB73	SLGS4
Processor package sizeDiffers	22 x 22 mm	22 x22 mm
Thermal Monitoring TechnologiesDiffers	Yes	No
Conflict-Free processor	No	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
Number of battery cells	6	6
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
Supplied AC adapter type	AC	AC

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.

More laptop comparisons

All laptop comparisons