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
Display1 differ
Display diagonalDiffers	33.8 cm (13.3")	39.1 cm (15.4")
Processor13 differ
Processor familyDiffers	Intel® Core™2 Duo	Intel® Celeron® M
Processor modelDiffers	T5750	520
Processor coresDiffers	2	1
Processor frequencyDiffers	2 GHz	2.8 GHz
Processor cacheDiffers	2 MB	1 MB
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
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
Compatible memory cardsDiffers	MMC, SD, xD	Memory Stick (MS), MMC, MS PRO, SD
Graphics2 differ
Discrete graphics card modelDiffers	GM965	Intel GMA X300
Graphics card familyDiffers	Intel	AMD
Audioidentical
Speaker powerKnown for one	Unknown — not stated by the source	1.5 W
Network1 differ
Networking featuresDiffers	Gigabit Ethernet, WLAN	Fast Ethernet, WLAN
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
eSATA ports quantityDiffers	1	0
S/PDIF out portDiffers	Yes	No
ExpressCard slotDiffers	Yes	No
CardBus PCMCIA slots quantityDiffers	0	1
CardBus PCMCIA slot typeDiffers	No	Type II
TV-outDiffers	Yes	No
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
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
Idle StatesKnown for one	Unknown — not stated by the source	No
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
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
Securityidentical
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
Other featuresidentical
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.

More laptop comparisons

All laptop comparisons