Product comparison · 2 laptops

ASUS X51L-AP063A, NL vs Lenovo ThinkPad R400 (744515G), DE

93specifications compared
38differ
55identical
35known for one product only

Key differences

Display diagonal
- X51L-AP063A, NL:39.1 cm (15.4")
- ThinkPad R400 (744515G), DE:35.8 cm (14.1")
Display resolution
- X51L-AP063A, NL:1280 x 800 pixels
- ThinkPad R400 (744515G), DE:1440 x 900 pixels
Processor family
- X51L-AP063A, NL:Intel® Celeron® M
- ThinkPad R400 (744515G), DE:Intel® Core™2 Duo
Processor model
- X51L-AP063A, NL:550
- ThinkPad R400 (744515G), DE:P8400
Processor cores
- X51L-AP063A, NL:1
- ThinkPad R400 (744515G), DE:2
Processor frequency
- X51L-AP063A, NL:2 GHz
- ThinkPad R400 (744515G), DE:2.26 GHz
Processor cache
- X51L-AP063A, NL:1 MB
- ThinkPad R400 (744515G), DE:3 MB
Processor front side bus
- X51L-AP063A, NL:533 MHz
- ThinkPad R400 (744515G), DE:1066 MHz

Side by side

Differences highlightedShow differences only

Comparison of X51L-AP063A, NL, ThinkPad R400 (744515G), DE
128 specifications	A ASUS X51L-AP063A, NL View product	B Lenovo ThinkPad R400 (744515G), DE View product
Display2 differ
Display diagonalDiffers	39.1 cm (15.4")	35.8 cm (14.1")
Display resolutionDiffers	1280 x 800 pixels	1440 x 900 pixels
Processor7 differ
Processor familyDiffers	Intel® Celeron® M	Intel® Core™2 Duo
Processor modelDiffers	550	P8400
Processor coresDiffers	1	2
Processor threadsKnown for one	Unknown — not stated by the source	2
Processor frequencyDiffers	2 GHz	2.26 GHz
Processor cacheDiffers	1 MB	3 MB
Processor front side busDiffers	533 MHz	1066 MHz
Processor socketKnown for one	Unknown — not stated by the source	Socket 478
Processor lithographyKnown for one	Unknown — not stated by the source	45 nm
Processor operating modesKnown for one	Unknown — not stated by the source	64-bit
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core 2 Duo P8000 Series
Processor codenameKnown for one	Unknown — not stated by the source	Penryn
SteppingKnown for one	Unknown — not stated by the source	M0
Thermal Design Power (TDP)Known for one	Unknown — not stated by the source	25 W
TjunctionDiffers	100 °C	105 °C
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	410 M
Processing Die sizeKnown for one	Unknown — not stated by the source	107 mm²
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	8.5
TcaseKnown for one	72.8 °C	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	3 GB	1 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory clock speedDiffers	667 MHz	1066 MHz
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 1 GB
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 GB
Storage1 differ
Card reader integratedDiffers	Yes	No
Optical drive typeKnown for one	DVD Super Multi DL	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 4500MHD
Audio1 differ
Audio systemDiffers	Intel HDA	Intel HDA 24-bit
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Audio system full duplexKnown for one	Yes	Unknown — not stated by the source
Audio system direct 3D soundKnown for one	Yes	Unknown — not stated by the source
Network3 differ
Networking featuresDiffers	Gigabit Ethernet, WLAN	WLAN, Gigabit Ethernet
Wireless technologyDiffers	IEEE 802.11b/g	Intel 5100AGN
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	2.0+EDR
Ports & interfaces7 differ
USB 2.0 ports quantityDiffers	4	3
Firewire (IEEE 1394) portsDiffers	0	1
S/PDIF out portDiffers	Yes	No
Docking connectorDiffers	No	Yes
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantityDiffers	1	0
CardBus PCMCIA slot typeDiffers	Type II	No
USB 1.1 ports quantityKnown for one	0	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY
Software1 differ
Operating system installedDiffers	Windows Vista Home Basic	Windows Vista Business
Trial softwareKnown for one	Unknown — not stated by the source	Microsoft Office 2007
Bundled softwareKnown for one	Yes	Unknown — not stated by the source
Processor special features5 differ
Embedded options availableKnown for one	Unknown — not stated by the source	Yes
Enhanced Intel SpeedStep TechnologyDiffers	No	Yes
Execute Disable BitKnown for one	Unknown — not stated by the source	Yes
Idle StatesDiffers	No	Yes
Intel 64Known for one	Unknown — not stated by the source	Yes
Intel Enhanced Halt StateDiffers	No	Yes
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel Virtualization Technology (VT-x)Differs	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	No
Processor ARK IDKnown for one	Unknown — not stated by the source	35569
Processor codeKnown for one	Unknown — not stated by the source	SL3BU
Processor package sizeKnown for one	Unknown — not stated by the source	35 x 35 mm
Battery1 differ
Number of battery cellsDiffers	6	4
Battery life (max)Known for one	Unknown — not stated by the source	3.7 h
Security1 differ
Cable lock slot typeDiffers	Kensington	IBM
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Password protection typeKnown for one	BIOS	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	2.8 kg	2.3 kg
WidthDiffers	365 mm	355.5 mm
DepthDiffers	264 mm	238 mm
HeightDiffers	35.5 mm	34.9 mm
Other features1 differ
Modem typeDiffers	V.92	1

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