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Product comparison · 2 laptops

ASUS X51R-AP035A, EN vs Lenovo ThinkPad T61p - 64577XG, UK

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  • 57specifications compared
  • 26differ
  • 31identical
  • 67known for one product only

Key differences

  • Display resolution
    • 1280 x 800 pixels
    • 1920 x 1200 pixels
  • Processor family
    • Intel® Celeron® M
    • Intel® Core™2 Duo
  • Processor frequency
    • 1.6 GHz
    • 2.6 GHz
  • Processor cache
    • 1 MB
    • 4 MB
  • Processor front side bus
    • 533 MHz
    • 800 MHz
  • Internal memory
    • 0.5 GB
    • 2 GB
  • Total storage capacity
    • 80 GB
    • 200 GB
  • Maximum graphics card memory
    • 0.128 GB
    • 0.256 GB

Side by side

Differences highlightedShow differences only
124 specifications
A

ASUS

X51R-AP035A, ENView product
B

Lenovo

ThinkPad T61p - 64577XG, UKView product
Display1 differ
Display resolutionDiffers1280 x 800 pixels1920 x 1200 pixels
Processor4 differ
Processor familyDiffersIntel® Celeron® MIntel® Core™2 Duo
Processor modelKnown for oneT7800
Processor coresKnown for one2
Processor threadsKnown for one2
Processor frequencyDiffers1.6 GHz2.6 GHz
Processor cacheDiffers1 MB4 MB
Processor front side busDiffers533 MHz800 MHz
Processor socketKnown for oneSocket 479
Processor lithographyKnown for one65 nm
Processor operating modesKnown for one64-bit
Processor seriesKnown for oneIntel Core 2 Duo T7000 Series
Processor codenameKnown for oneMerom
Bus typeKnown for oneFSB
FSB ParityKnown for oneNo
Thermal Design Power (TDP)Known for one35 W
TjunctionKnown for one100 °C
Number of Processing Die TransistorsKnown for one291 M
Processing Die sizeKnown for one143 mm²
CPU multiplier (bus/core ratio)Known for one13
ECC supported by processorKnown for oneNo
Memory1 differ
Internal memoryDiffers0.5 GB2 GB
Memory clock speedKnown for one667 MHz
Memory layout (slots x size)Known for one1 x 0.5 GB
Maximum internal memoryKnown for one2 GB
Storage1 differ
Total storage capacityDiffers80 GB200 GB
HDD speedKnown for one5400 RPM
Optical drive typeKnown for oneDVD Super Multi DL
Compatible memory cardsKnown for oneMMC, MS Pro, SD
Graphics1 differ
Discrete graphics cardKnown for oneYes
Discrete graphics card modelKnown for oneNVIDIA Quadro FX 570M
Maximum graphics card memoryDiffers0.128 GB0.256 GB
Audio1 differ
Audio systemDiffersAzaliaIntel HDA 24-bit
Speaker powerKnown for one2 W
Network3 differ
Networking featuresDiffersFast Ethernet, WLANGigabit Ethernet, WLAN
Wireless technologyDiffersIEEE 802.11b/gIntel 4965AGN
BluetoothDiffersNoYes
Bluetooth versionKnown for one2.0+EDR
Cabling technologyKnown for one10/100/1000Base-T(X)
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers43
Firewire (IEEE 1394) portsDiffers01
Docking connectorDiffersNoYes
ExpressCard slotDiffersNoYes
CardBus PCMCIA slots quantityDiffers10
CardBus PCMCIA slot typeDiffersType IINo
Keyboard1 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Software1 differ
Operating system installedDiffersWindows Vista Home BasicWindows Vista Ultimate
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for oneNo
Embedded options availableKnown for oneNo
Enhanced Intel SpeedStep TechnologyKnown for oneYes
Execute Disable BitKnown for oneYes
Intel 64Known for oneYes
Intel Clear Video TechnologyKnown for oneNo
Intel Demand Based SwitchingKnown for oneNo
Intel Dual Display Capable TechnologyKnown for oneNo
Intel Enhanced Halt StateKnown for oneNo
Intel FDI TechnologyKnown for oneNo
Intel Fast Memory AccessKnown for oneNo
Intel Flex Memory AccessKnown for oneNo
Intel Rapid Storage TechnologyKnown for oneNo
Intel Trusted Execution TechnologyKnown for oneNo
Intel VT-x with Extended Page Tables (EPT)Known for oneNo
Intel Virtualization Technology (VT-x)Known for oneYes
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)Known for oneNo
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
Intel® Turbo Boost TechnologyKnown for oneNo
Processor ARK IDKnown for one31729
Processor codeKnown for oneSLA75
Processor package sizeKnown for one35 x 35 mm
Thermal Monitoring TechnologiesKnown for oneNo
Conflict-Free processorKnown for oneNo
Battery1 differ
Number of battery cellsDiffers69
Battery capacityKnown for one4400 mAh
Poweridentical
AC adapter powerKnown for one65 W
AC adapter input voltageKnown for one100/240 V
AC adapter output currentKnown for one3.42 A
AC adapter output voltageKnown for one19 V
Security1 differ
Cable lock slot typeDiffersKensingtonIBM
Fingerprint readerKnown for oneYes
Password protection typeKnown for oneBIOS
Weight & dimensions4 differ
WeightDiffers2.8 kg2.61 kg
WidthDiffers365 mm357.5 mm
DepthDiffers264 mm255 mm
HeightDiffers25.5 mm29.7 mm
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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