Product comparison · 2 laptops

ASUS X51R-AP099C, EN vs Lenovo ThinkPad X61s (7666-B4G), UK

59specifications compared
30differ
29identical
46known for one product only

Key differences

Display diagonal
- X51R-AP099C, EN:39.1 cm (15.4")
- ThinkPad X61s (7666-B4G), UK:30.7 cm (12.1")
Display resolution
- X51R-AP099C, EN:1280 x 800 pixels
- ThinkPad X61s (7666-B4G), UK:1024 x 768 pixels
Native aspect ratio
- X51R-AP099C, EN:16:10
- ThinkPad X61s (7666-B4G), UK:4:3
Processor family
- X51R-AP099C, EN:Intel® Celeron® M
- ThinkPad X61s (7666-B4G), UK:Intel® Core™2 Duo
Processor frequency
- X51R-AP099C, EN:1.6 GHz
- ThinkPad X61s (7666-B4G), UK:1.8 GHz
Processor cache
- X51R-AP099C, EN:1 MB
- ThinkPad X61s (7666-B4G), UK:4 MB
Processor front side bus
- X51R-AP099C, EN:533 MHz
- ThinkPad X61s (7666-B4G), UK:800 MHz
Internal memory
- X51R-AP099C, EN:1 GB
- ThinkPad X61s (7666-B4G), UK:2 GB

Side by side

Differences highlightedShow differences only

Comparison of X51R-AP099C, EN, ThinkPad X61s (7666-B4G), UK
105 specifications	A ASUS X51R-AP099C, EN View product	B Lenovo ThinkPad X61s (7666-B4G), UK View product
Display3 differ
Display diagonalDiffers	39.1 cm (15.4")	30.7 cm (12.1")
Display resolutionDiffers	1280 x 800 pixels	1024 x 768 pixels
Native aspect ratioDiffers	16:10	4:3
Processor4 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron® M	Intel® Core™2 Duo
Processor modelKnown for one	Unknown — not stated by the source	L7700
Processor coresKnown for one	Unknown — not stated by the source	2
Processor threadsKnown for one	Unknown — not stated by the source	2
Processor frequencyDiffers	1.6 GHz	1.8 GHz
Processor cacheDiffers	1 MB	4 MB
Processor cache type	L2	L2
Processor front side busDiffers	533 MHz	800 MHz
Processor socketKnown for one	Unknown — not stated by the source	Socket 479
Processor lithographyKnown for one	Unknown — not stated by the source	65 nm
Processor operating modesKnown for one	Unknown — not stated by the source	64-bit
Processor codenameKnown for one	Unknown — not stated by the source	Merom
Bus typeKnown for one	Unknown — not stated by the source	FSB
SteppingKnown for one	Unknown — not stated by the source	G0
Thermal Design Power (TDP)Known for one	Unknown — not stated by the source	17 W
TjunctionKnown for one	Unknown — not stated by the source	100 °C
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	291 M
Processing Die sizeKnown for one	Unknown — not stated by the source	143 mm²
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	8
Memory2 differ
Internal memoryDiffers	1 GB	2 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory clock speed	667 MHz	667 MHz
Maximum internal memoryDiffers	2 GB	4 GB
Memory layout (slots x size)Known for one	2 x 0.5 GB	Unknown — not stated by the source
Storage3 differ
Total storage capacityDiffers	80 GB	100 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeDiffers	DVD Super Multi DL	No
Card reader integratedDiffers	Yes	No
Compatible memory cardsKnown for one	MMC, MS Pro, SD	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 X3100
Maximum graphics card memoryKnown for one	0.128 GB	Unknown — not stated by the source
Audio2 differ
Audio systemDiffers	Azalia	Intel HDA 24-bit
Number of built-in speakersDiffers	2	1
Speaker powerKnown for one	Unknown — not stated by the source	0.5 W
Cameraidentical
Front cameraKnown for one	Unknown — not stated by the source	No
Network2 differ
Networking featuresDiffers	Fast Ethernet, WLAN	WLAN, Gigabit Ethernet
Wireless technologyDiffers	IEEE 802.11b/g	Intel 4965AGN
Bluetooth	No	No
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers	4	3
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsDiffers	0	1
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connectorDiffers	No	Yes
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantityDiffers	1	0
CardBus PCMCIA slot typeDiffers	Type II	No
SmartCard slot	No	No
Modem (RJ-11) ports	1	1
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
USB 1.1 ports quantity	0	0
Keyboard1 differ
Pointing deviceDiffers	Touchpad	Pointing Stick
Software1 differ
Operating system installedDiffers	Windows Vista Home Premium	Windows Vista Business
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Bundled softwareKnown for one	Unknown — not stated by the source	Yes
Processor special featuresidentical
Embedded options availableKnown for one	Unknown — not stated by the source	No
Enhanced Intel SpeedStep TechnologyKnown for one	Unknown — not stated by the source	Yes
Execute Disable BitKnown for one	Unknown — not stated by the source	Yes
Intel 64Known for one	Unknown — not stated by the source	Yes
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	No
Intel Trusted Execution TechnologyKnown 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® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	No
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	No
Processor ARK IDKnown for one	Unknown — not stated by the source	32243
Processor package sizeKnown for one	Unknown — not stated by the source	35 x 35 mm
Battery1 differ
Number of battery cellsDiffers	6	8
Battery life (max)Known for one	Unknown — not stated by the source	8.2 h
Battery capacityKnown for one	4400 mAh	Unknown — not stated by the source
Poweridentical
DC-in jack	Yes	Yes
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
AC adapter input voltageKnown for one	100/240 V	Unknown — not stated by the source
AC adapter output currentKnown for one	3.42 A	Unknown — not stated by the source
AC adapter output voltageKnown for one	19 V	Unknown — not stated by the source
Security1 differ
Cable lock slot	Yes	Yes
Cable lock slot typeDiffers	Kensington	IBM
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
HDD user password	Yes	Yes
Password protection typeKnown for one	BIOS	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	2.8 kg	1.5 kg
WidthDiffers	365 mm	211 mm
DepthDiffers	264 mm	268 mm
HeightDiffers	25.5 mm	20 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Modem type	V.92	V.92
Supplied AC adapter typeKnown for one	Unknown — not stated by the source	AC
Performanceidentical
Motherboard chipsetKnown for one	ATI Radeon Xpress 1100	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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