Product comparison · 2 laptops

Lenovo ThinkPad SL510 + Performance Backpack vs Viewsonic ViewBook 120W

60specifications compared
34differ
26identical
74known for one product only

Key differences

Display diagonal
- ThinkPad SL510 + Performance Backpack:39.6 cm (15.6")
- ViewBook 120W:30.7 cm (12.1")
Display resolution
- ThinkPad SL510 + Performance Backpack:1366 x 768 pixels
- ViewBook 120W:1280 x 800 pixels
Native aspect ratio
- ThinkPad SL510 + Performance Backpack:16:9
- ViewBook 120W:16:10
Processor family
- ThinkPad SL510 + Performance Backpack:Intel® Core™2 Duo
- ViewBook 120W:Intel® Celeron®
Processor model
- ThinkPad SL510 + Performance Backpack:T5870
- ViewBook 120W:SU2300
Processor frequency
- ThinkPad SL510 + Performance Backpack:2 GHz
- ViewBook 120W:1.2 GHz
Processor cache
- ThinkPad SL510 + Performance Backpack:2 MB
- ViewBook 120W:1 MB
Processor socket
- ThinkPad SL510 + Performance Backpack:LGA 3647 (Socket P)
- ViewBook 120W:BGA 956

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad SL510 + Performance Backpack, ViewBook 120W
134 specifications	A Lenovo ThinkPad SL510 + Performance Backpack View product	B Viewsonic ViewBook 120W View product
Designidentical
Product typeKnown for one	Unknown — not stated by the source	Netbook
Product colourKnown for one	Unknown — not stated by the source	White
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	30.7 cm (12.1")
Display resolutionDiffers	1366 x 768 pixels	1280 x 800 pixels
LED backlightKnown for one	Unknown — not stated by the source	Yes
Native aspect ratioDiffers	16:9	16:10
Processor12 differ
Processor familyDiffers	Intel® Core™2 Duo	Intel® Celeron®
Processor modelDiffers	T5870	SU2300
Processor threadsKnown for one	Unknown — not stated by the source	2
Processor frequencyDiffers	2 GHz	1.2 GHz
Processor cacheDiffers	2 MB	1 MB
Processor socketDiffers	LGA 3647 (Socket P)	BGA 956
Processor lithographyDiffers	65 nm	45 nm
Processor seriesDiffers	Intel Core 2 Duo T5000 Series	Intel Celeron Processor SU2000 Series for Mobile
Processor codenameKnown for one	Unknown — not stated by the source	Penryn
Bus typeKnown for one	Unknown — not stated by the source	FSB
FSB ParityDiffers	No	Yes
SteppingDiffers	M0	R0
Thermal Design Power (TDP)Differs	35 W	10 W
Number of Processing Die TransistorsDiffers	291 M	410 M
Processing Die sizeDiffers	143 mm²	107 mm²
ECC supported by processorKnown for one	Unknown — not stated by the source	No
CPU multiplier (bus/core ratio)Known for one	10	Unknown — not stated by the source
Memory2 differ
Internal memory typeDiffers	DDR3-SDRAM	DDR2-SDRAM
Memory clock speedDiffers	1066 MHz	667 MHz
Memory layout (slots x size)Known for one	1 x 2 GB	Unknown — not stated by the source
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryKnown for one	8 GB	Unknown — not stated by the source
Storage1 differ
HDD capacityKnown for one	Unknown — not stated by the source	250 GB
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Optical drive typeKnown for one	Unknown — not stated by the source	No
Compatible memory cardsDiffers	MMC, MS Pro, SD, SDHC, xD	MMC, MS DUO, MS PRO, SD, SDHC
Total storage capacityKnown for one	250 GB	Unknown — not stated by the source
Audio1 differ
Speaker powerDiffers	3 W	2 W
Built-in microphoneKnown for one	Unknown — not stated by the source	Yes
Audio systemKnown for one	High Definition Audio	Unknown — not stated by the source
Cameraidentical
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	1.3 MP
Network2 differ
Wi-FiKnown for one	Unknown — not stated by the source	Yes
Networking featuresDiffers	Gigabit Ethernet	10/100BASE-T
Wireless technologyDiffers	IEEE 802.11b/g/n	802.11b/g/n
Ethernet LANKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces1 differ
ExpressCard slotDiffers	No	Yes
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
DVI portKnown for one	No	Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
S/PDIF out portKnown for one	Yes	Unknown — not stated by the source
Docking connectorKnown for one	No	Unknown — not stated by the source
CardBus PCMCIA slots quantityKnown for one	0	Unknown — not stated by the source
CardBus PCMCIA slot typeKnown for one	No	Unknown — not stated by the source
SmartCard slotKnown for one	Yes	Unknown — not stated by the source
Modem (RJ-11) portsKnown for one	1	Unknown — not stated by the source
TV-in portKnown for one	No	Unknown — not stated by the source
TV-outKnown 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
Keyboard1 differ
Pointing deviceDiffers	ThinkPad UltraNav	Touchpad
Keyboard number of keysKnown for one	Unknown — not stated by the source	82
Software1 differ
Operating system installedDiffers	Windows XP Professional	Windows 7 Home Premium
Processor special features4 differ
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	No
Execute Disable BitDiffers	Yes	No
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel Dual Display Capable TechnologyKnown for one	Unknown — not stated by the source	No
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	No
Intel FDI TechnologyKnown for one	Unknown — not stated by the source	No
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	No
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	No
Intel Virtualization Technology (VT-x)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	No
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	No
Intel® Anti-Theft Technology (Intel® AT)Known for one	Unknown — not stated by the source	No
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Unknown — not stated by the source	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	No
Intel® InTru™ 3D TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Insider™Known for one	Unknown — not stated by the source	No
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	No
Intel® Quick Sync Video TechnologyKnown for one	Unknown — not stated by the source	No
Processor ARK IDDiffers	37034	42779
Processor codeDiffers	SLAZR	SLGSB
Processor package sizeDiffers	35 x 35 mm	22 x 22 mm
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	Yes
Conflict-Free processorKnown for one	Unknown — not stated by the source	No
Battery1 differ
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Battery life (max)Differs	4 h	0 h
Number of battery cellsKnown for one	6	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
Security1 differ
Cable lock slotDiffers	Yes	No
Cable lock slot typeKnown for one	IBM	Unknown — not stated by the source
HDD user passwordKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	30 - 65 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	15 - 80%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 85%
Weight & dimensions4 differ
WeightDiffers	2.56 kg	1.5 kg
WidthDiffers	387 mm	289 mm
DepthDiffers	247 mm	203 mm
HeightDiffers	36 mm	22 mm
Other featuresidentical
Power requirementsKnown for one	Unknown — not stated by the source	AC100-240V
Infrared data portKnown for one	No	Unknown — not stated by the source
Internal modemKnown for one	Yes	Unknown — not stated by the source
Modem speedKnown for one	56 Kbit/s	Unknown — not stated by the source
Modem typeKnown for one	V.90	Unknown — not stated by the source
Graphicsidentical
Discrete graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Intel® GMA 4500MHD	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Intel® GM45 Express	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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