Product comparison · 2 laptops

ASUS X51L-AP077C, NL vs Lenovo Kit: 3x ThinkPad R61

106specifications compared
37differ
69identical
18known for one product only

Key differences

Display diagonal
- X51L-AP077C, NL:39.1 cm (15.4")
- Kit: 3x ThinkPad R61:35.8 cm (14.1")
Processor family
- X51L-AP077C, NL:Intel® Pentium®
- Kit: 3x ThinkPad R61:Intel® Core™2 Duo
Processor model
- X51L-AP077C, NL:T2390
- Kit: 3x ThinkPad R61:T8100
Processor frequency
- X51L-AP077C, NL:1.86 GHz
- Kit: 3x ThinkPad R61:2.1 GHz
Processor cache
- X51L-AP077C, NL:1 MB
- Kit: 3x ThinkPad R61:3 MB
Processor front side bus
- X51L-AP077C, NL:533 MHz
- Kit: 3x ThinkPad R61:800 MHz
Processor socket
- X51L-AP077C, NL:Socket M (mPGA478MT)
- Kit: 3x ThinkPad R61:Socket 478
Processor lithography
- X51L-AP077C, NL:65 nm
- Kit: 3x ThinkPad R61:45 nm

Side by side

Differences highlightedShow differences only

Comparison of X51L-AP077C, NL, Kit: 3x ThinkPad R61
124 specifications	A ASUS X51L-AP077C, NL View product	B Lenovo Kit: 3x ThinkPad R61 View product
Display1 differ
Display diagonalDiffers	39.1 cm (15.4")	35.8 cm (14.1")
Display resolution	1280 x 800 pixels	1280 x 800 pixels
Native aspect ratio	16:10	16:10
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium®	Intel® Core™2 Duo
Processor modelDiffers	T2390	T8100
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	1.86 GHz	2.1 GHz
Processor cacheDiffers	1 MB	3 MB
Processor cache type	L2	L2
Processor front side busDiffers	533 MHz	800 MHz
Processor socketDiffers	Socket M (mPGA478MT)	Socket 478
Processor lithographyDiffers	65 nm	45 nm
Processor operating modesDiffers	32-bit	64-bit
Processor seriesDiffers	Intel Pentium T2000 Series for Mobile	Intel Core 2 Duo T8000 Series
Processor codenameDiffers	Merom	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
Stepping	M0	M0
Thermal Design Power (TDP)	35 W	35 W
TjunctionDiffers	100 °C	105 °C
Number of Processing Die TransistorsDiffers	291 M	410 M
Processing Die sizeDiffers	143 mm²	107 mm²
CPU multiplier (bus/core ratio)Differs	14	10.5
ECC supported by processor	No	No
Memory1 differ
Internal memoryDiffers	3 GB	2 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory clock speedKnown for one	667 MHz	Unknown — not stated by the source
Memory layout (slots x size)Known for one	Unknown — not stated by the source	2 x 1 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 GB
Storage2 differ
Total storage capacity	160 GB	160 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeDiffers	DVD Super Multi DL	DVD±RW
Card reader integratedDiffers	Yes	No
Audio1 differ
Audio systemDiffers	Intel HDA	High Definition Audio
Number of built-in speakers	2	2
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
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Cameraidentical
Front camera	No	No
Network2 differ
Networking featuresDiffers	Gigabit Ethernet, WLAN	Gigabit Ethernet
Wireless technologyDiffers	IEEE 802.11b/g	IEEE 802.11a/b/g
Bluetooth	No	No
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	4	3
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	0	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 quantity	1	1
CardBus PCMCIA slot type	Type II	Type II
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	ThinkPad UltraNav
Software1 differ
Operating system installedDiffers	Windows Vista Home Premium	Windows Vista Business
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Bundled softwareKnown for one	Yes	Unknown — not stated by the source
Processor special features4 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt StateDiffers	No	Yes
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)Differs	No	Yes
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)	No	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	35153	33916
Processor codeDiffers	SLA4H	SLAVJ
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Poweridentical
DC-in jack	Yes	Yes
Security1 differ
Cable lock slot	Yes	Yes
Cable lock slot typeDiffers	Kensington	IBM
Password protection typeKnown for one	BIOS	Unknown — not stated by the source
HDD user password	Yes	Yes
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WeightDiffers	2.8 kg	2.4 kg
WidthDiffers	365 mm	335.5 mm
DepthDiffers	264 mm	237 mm
HeightDiffers	35.5 mm	31 mm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Other features1 differ
Infrared data port	No	No
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
Modem typeKnown for one	V.92	Unknown — not stated by the source
Supplied AC adapter typeDiffers	AC, UP	AC
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
Batteryidentical
Number of battery cellsKnown for one	Unknown — not stated by the source	4

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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