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 manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™2 Duo	Intel® Celeron®
Processor modelDiffers	T5870	SU2300
Processor cores	2	2
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 cache type	L2	L2
Processor front side bus	800 MHz	800 MHz
Processor socketDiffers	LGA 3647 (Socket P)	BGA 956
Processor lithographyDiffers	65 nm	45 nm
Processor operating modes	64-bit	64-bit
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
Tjunction	100 °C	100 °C
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	2 GB	2 GB
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 interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Optical drive typeKnown for one	Unknown — not stated by the source	No
Card reader integrated	Yes	Yes
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
Number of built-in speakers	2	2
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
Bluetooth	Yes	Yes
Bluetooth version	2.1+EDR	2.1+EDR
Ports & interfaces1 differ
USB 2.0 ports quantity	3	3
Ethernet LAN (RJ-45) ports	1	1
VGA (D-Sub) ports quantity	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
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
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable BitDiffers	Yes	No
Intel 64	Yes	Yes
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel Demand Based Switching	No	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 Trusted Execution Technology	No	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® Hyper Threading Technology (Intel® HT Technology)	No	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
Intel® Turbo Boost Technology	No	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
Supplied AC adapter type	AC	AC
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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