Product comparison · 2 laptops

ASUS R1E-X8 laptop Intel® Core™2 Duo T5750 vs ASUS X51R-AG015A laptop Intel® Celeron® M 520

94specifications compared
35differ
59identical
29known for one product only

Key differences

Display diagonal
- R1E-X8 laptop Intel® Core™2 Duo T5750:33.8 cm (13.3")
- X51R-AG015A laptop Intel® Celeron® M 520:39.1 cm (15.4")
Processor family
- R1E-X8 laptop Intel® Core™2 Duo T5750:Intel® Core™2 Duo
- X51R-AG015A laptop Intel® Celeron® M 520:Intel® Celeron® M
Processor model
- R1E-X8 laptop Intel® Core™2 Duo T5750:T5750
- X51R-AG015A laptop Intel® Celeron® M 520:520
Processor cores
- R1E-X8 laptop Intel® Core™2 Duo T5750:2
- X51R-AG015A laptop Intel® Celeron® M 520:1
Processor frequency
- R1E-X8 laptop Intel® Core™2 Duo T5750:2 GHz
- X51R-AG015A laptop Intel® Celeron® M 520:2.8 GHz
Processor cache
- R1E-X8 laptop Intel® Core™2 Duo T5750:2 MB
- X51R-AG015A laptop Intel® Celeron® M 520:1 MB
Processor front side bus
- R1E-X8 laptop Intel® Core™2 Duo T5750:667 MHz
- X51R-AG015A laptop Intel® Celeron® M 520:800 MHz
Processor socket
- R1E-X8 laptop Intel® Core™2 Duo T5750:mPGA4
- X51R-AG015A laptop Intel® Celeron® M 520:LGA 775 (Socket T)

Side by side

Differences highlightedShow differences only

Comparison of R1E-X8, X51R-AG015A
123 specifications	A ASUS R1E-X8 laptop Intel® Core™2 Duo T5750 Model R1E-X8 View product	B ASUS X51R-AG015A laptop Intel® Celeron® M 520 Model X51R-AG015A View product
Designidentical
Product colour	Silver	Silver
Display1 differ
Display diagonalDiffers	33.8 cm (13.3")	39.1 cm (15.4")
Display resolution	1280 x 800 pixels	1280 x 800 pixels
Native aspect ratio	16:10	16:10
Processor13 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™2 Duo	Intel® Celeron® M
Processor modelDiffers	T5750	520
Processor coresDiffers	2	1
Processor threads	2	2
Processor frequencyDiffers	2 GHz	2.8 GHz
Processor cacheDiffers	2 MB	1 MB
Processor cache type	L2	L2
Processor front side busDiffers	667 MHz	800 MHz
Processor socketDiffers	mPGA4	LGA 775 (Socket T)
Processor lithographyDiffers	65 nm	90 nm
Processor operating modesDiffers	64-bit	32-bit
Processor codenameKnown for one	Unknown — not stated by the source	Prescott
Bus typeKnown for one	Unknown — not stated by the source	FSB
FSB ParityKnown for one	Unknown — not stated by the source	No
Thermal Design Power (TDP)Differs	35 W	84 W
TcaseKnown for one	Unknown — not stated by the source	67.7 °C
TjunctionDiffers	85 °C	100 °C
Processor core voltage (AC)Known for one	Unknown — not stated by the source	0.95 - 1.30 V
Number of Processing Die TransistorsDiffers	291 M	125 M
Processing Die sizeDiffers	143 mm²	112 mm²
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	12
Processor seriesKnown for one	Intel Core 2 Duo T5000 Series	Unknown — not stated by the source
SteppingKnown for one	M0	Unknown — not stated by the source
Memory2 differ
Internal memoryDiffers	2 GB	1 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory clock speed	667 MHz	667 MHz
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memoryDiffers	4 GB	2 GB
Storage2 differ
Total storage capacityDiffers	160 GB	80 GB
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive type	DVD Super Multi	DVD Super Multi
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, SD, xD	Memory Stick (MS), MMC, MS PRO, SD
Graphics2 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	GM965	Intel GMA X300
Graphics card familyDiffers	Intel	AMD
Audioidentical
Audio system	Azalia	Azalia
Speaker powerKnown for one	Unknown — not stated by the source	1.5 W
Audio system full duplex	Yes	Yes
Audio system direct 3D sound	Yes	Yes
Cameraidentical
Front camera	No	No
Network1 differ
Wi-Fi	Yes	Yes
Networking featuresDiffers	Gigabit Ethernet, WLAN	Fast Ethernet, WLAN
Wireless technology	Wi-Fi	Wi-Fi
Bluetooth	No	No
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Ports & interfaces7 differ
USB 2.0 ports quantityDiffers	3	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
eSATA ports quantityDiffers	1	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	0	0
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Headphone outputs	1	1
S/PDIF out portDiffers	Yes	No
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slotDiffers	Yes	No
CardBus PCMCIA slots quantityDiffers	0	1
CardBus PCMCIA slot typeDiffers	No	Type II
SmartCard slot	No	No
Modem (RJ-11) ports	1	1
TV-in port	No	No
TV-outDiffers	Yes	No
PS/2 ports quantity	0	0
Parallel ports quantity	0	0
Serial ports quantity	0	0
TV-out typeKnown for one	S-Video	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	ATI Radeon Xpress 1100
Keyboardidentical
Pointing device	Touchpad	Touchpad
Keyboard number of keysKnown for one	Unknown — not stated by the source	88
Software2 differ
Operating system installedDiffers	Windows XP Professional	Windows Vista Home Basic
Trial softwareDiffers	Norton Internet Security 2007	Symantec Norton Internet Security 2006
Processor special features4 differ
Embedded options availableKnown for one	Unknown — not stated by the source	No
Enhanced Intel SpeedStep TechnologyDiffers	Yes	No
Execute Disable Bit	Yes	Yes
Idle StatesKnown for one	Unknown — not stated by the source	No
Intel 64	Yes	Yes
Intel Demand Based Switching	No	No
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	No
Intel Trusted Execution Technology	No	No
Intel Virtualization Technology (VT-x)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Turbo Boost Technology	No	No
Processor ARK IDDiffers	33915	27460
Processor package sizeDiffers	35 x 35 mm	37.5 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
Processor codeKnown for one	SLA4D	Unknown — not stated by the source
Poweridentical
AC adapter power	65 W	65 W
AC adapter input voltage	100 - 240 V	100 - 240 V
AC adapter output current	3.42 A	3.42 A
AC adapter output voltage	19 V	19 V
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Password protection type	BIOS	BIOS
HDD user password	Yes	Yes
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Trusted Platform Module (TPM)Known for one	Yes	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	2 kg	2.8 kg
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	365 x 264 x 35.5 mm
WidthKnown for one	317 mm	Unknown — not stated by the source
DepthKnown for one	232 mm	Unknown — not stated by the source
HeightKnown for one	35 mm	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
Other featuresidentical
Infrared data port	No	No
Internal modem	Yes	Yes
TV tuner integrated	No	No
Modem speed	56 Kbit/s	56 Kbit/s
Supplied AC adapter type	AC	AC
Modem typeKnown for one	V.92	Unknown — not stated by the source
Batteryidentical
Number of battery cellsKnown for one	6	Unknown — not stated by the source
Battery capacityKnown for one	5200 mAh	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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