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Product comparison · 2 laptops

ASUS U3S-A1W laptop Intel® Core™2 Duo T7500 vs ASUS X51R-AG015A laptop Intel® Celeron® M 520

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  • 96specifications compared
  • 42differ
  • 54identical
  • 45known for one product only

Key differences

  • Product colour
    • White
    • Silver
  • Display diagonal
    • 33.8 cm (13.3")
    • 39.1 cm (15.4")
  • Processor family
    • Intel® Core™2 Duo
    • Intel® Celeron® M
  • Processor model
    • T7500
    • 520
  • Processor cores
    • 2
    • 1
  • Processor frequency
    • 2.2 GHz
    • 2.8 GHz
  • Processor cache
    • 4 MB
    • 1 MB
  • Processor socket
    • Socket 478
    • LGA 775 (Socket T)

Side by side

Differences highlightedShow differences only
141 specifications
A

ASUS

U3S-A1W laptop Intel® Core™2 Duo T7500

Model U3S-A1W

View product
B

ASUS

X51R-AG015A laptop Intel® Celeron® M 520

Model X51R-AG015A

View product
Design1 differ
Product colourDiffersWhiteSilver
Display1 differ
Display diagonalDiffers33.8 cm (13.3")39.1 cm (15.4")
Processor13 differ
Processor familyDiffersIntel® Core™2 DuoIntel® Celeron® M
Processor modelDiffersT7500520
Processor coresDiffers21
Processor frequencyDiffers2.2 GHz2.8 GHz
Processor cacheDiffers4 MB1 MB
Processor socketDiffersSocket 478LGA 775 (Socket T)
Processor lithographyDiffers65 nm90 nm
Processor operating modesDiffers64-bit32-bit
Processor seriesKnown for oneIntel Core 2 Duo T7000 Series
Processor codenameDiffersMeromPrescott
SteppingKnown for oneE1
Thermal Design Power (TDP)Differs35 W84 W
Number of Processing Die TransistorsDiffers291 M125 M
Processing Die sizeDiffers143 mm²112 mm²
CPU multiplier (bus/core ratio)Differs1112
ECC supported by processorKnown for oneNo
TcaseKnown for one67.7 °C
Processor core voltage (AC)Known for one0.95 - 1.30 V
Memoryidentical
Memory slotsKnown for one2x SO-DIMM
Maximum internal memoryKnown for one2 GB
Storage3 differ
Total storage capacityDiffers160 GB80 GB
Optical drive typeDiffersNoDVD Super Multi
Compatible memory cardsDiffersMemory Stick (MS), MiniSD, MMC, MS PRO, MS PRO Duo, SD, xDMemory Stick (MS), MMC, MS PRO, SD
Number of HDDs installedKnown for one1
HDD interfaceKnown for oneSATA
Graphics2 differ
Discrete graphics card modelDiffersNVIDIA GeForce 8400M GIntel GMA X300
Discrete graphics card memoryKnown for one0.125 GB
Graphics card familyDiffersNVIDIAAMD
Maximum graphics card memoryKnown for one0.67 GB
Audioidentical
Speaker powerKnown for one1.5 W
Cameraidentical
Front camera resolution (numeric)Known for one1.3 MP
Front cameraKnown for oneNo
Network2 differ
Networking featuresDiffersGigabit EthernetFast Ethernet, WLAN
BluetoothDiffersYesNo
Bluetooth versionKnown for one2.0+EDR
Cabling technologyKnown for one10/100/1000Base-T(X)
Wireless technologyKnown for oneWi-Fi
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers34
eSATA ports quantityDiffers10
HDMI ports quantityDiffers10
Firewire (IEEE 1394) portsDiffers10
CardBus PCMCIA slots quantityDiffers01
CardBus PCMCIA slot typeDiffersNoType II
TV-outKnown for oneNo
Keyboardidentical
Keyboard number of keysKnown for one88
Software2 differ
Operating system installedDiffersWindows Vista BusinessWindows Vista Home Basic
Trial softwareDiffersNorton Internet Security 2007Symantec Norton Internet Security 2006
Processor special features9 differ
Intel® Wireless Display (Intel® WiDi)Known for oneNo
Embedded options availableDiffersYesNo
Enhanced Intel SpeedStep TechnologyDiffersYesNo
Idle StatesDiffersYesNo
Intel Clear Video TechnologyKnown for oneNo
Intel Dual Display Capable TechnologyKnown for oneNo
Intel Enhanced Halt StateDiffersYesNo
Intel FDI TechnologyKnown for oneNo
Intel Fast Memory AccessKnown for oneNo
Intel Flex Memory AccessKnown for oneNo
Intel Rapid Storage TechnologyKnown for oneNo
Intel VT-x with Extended Page Tables (EPT)Known for oneNo
Intel Virtualization Technology (VT-x)DiffersYesNo
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneNo
Intel® AES New Instructions (Intel® AES-NI)Known for oneNo
Intel® Anti-Theft Technology (Intel® AT)Known for oneNo
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneNo
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® InTru™ 3D TechnologyKnown for oneNo
Intel® Insider™Known for oneNo
Intel® My WiFi Technology (Intel® MWT)Known for oneNo
Intel® Quick Sync Video TechnologyKnown for oneNo
Processor ARK IDDiffers2976127460
Processor package sizeDiffers35 x 35 mm37.5 mm
Thermal Monitoring TechnologiesDiffersNoYes
Power2 differ
AC adapter powerDiffers90 W65 W
AC adapter output currentDiffers4.74 A3.42 A
Securityidentical
Trusted Platform Module (TPM)Known for oneYes
Password protection typeKnown for oneBIOS
Weight & dimensions1 differ
WeightDiffers1.75 kg2.8 kg
WidthKnown for one318 mm
DepthKnown for one243 mm
Height (front)Known for one2.22 cm
Height (rear)Known for one3.22 cm
Dimensions (WxDxH)Known for one365 x 264 x 35.5 mm
Other featuresidentical
Modem typeKnown for oneV.92
Performanceidentical
Motherboard chipsetKnown for oneATI Radeon Xpress 1100

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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