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Product comparison · 2 laptops

ASUS X51RL-AP540P, EN vs Lenovo ThinkPad T61p - 64577XG, UK

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  • 59specifications compared
  • 27differ
  • 32identical
  • 64known 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
    • 1.86 GHz
    • 2.6 GHz
  • Processor cache
    • 1 MB
    • 4 MB
  • Processor front side bus
    • 533 MHz
    • 800 MHz
  • Internal memory
    • 1 GB
    • 2 GB
  • Total storage capacity
    • 80 GB
    • 200 GB
  • Discrete graphics card model
    • AMD Radeon Xpress 1100
    • NVIDIA Quadro FX 570M

Side by side

Differences highlightedShow differences only
123 specifications
A

ASUS

X51RL-AP540P, ENView product
B

Lenovo

ThinkPad T61p - 64577XG, UKView product
Display1 differ
Display diagonal39.1 cm (15.4")39.1 cm (15.4")
Display resolutionDiffers1280 x 800 pixels1920 x 1200 pixels
Native aspect ratio16:1016:10
Processor4 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Celeron® MIntel® Core™2 Duo
Processor modelKnown for oneT7800
Processor coresKnown for one2
Processor threadsKnown for one2
Processor frequencyDiffers1.86 GHz2.6 GHz
Processor cacheDiffers1 MB4 MB
Processor cache typeL2L2
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 memoryDiffers1 GB2 GB
Internal memory typeDDR2-SDRAMDDR2-SDRAM
Memory clock speedKnown for one667 MHz
Maximum internal memoryKnown for one2 GB
Storage1 differ
Total storage capacityDiffers80 GB200 GB
HDD interfaceSATASATA
Card reader integratedYesYes
HDD speedKnown for one5400 RPM
Optical drive typeKnown for oneDVD Super Multi
Compatible memory cardsKnown for oneMMC, MS Pro, SD
Graphics1 differ
Discrete graphics cardYesYes
Discrete graphics card modelDiffersAMD Radeon Xpress 1100NVIDIA Quadro FX 570M
Maximum graphics card memoryKnown for one0.256 GB
Audio1 differ
Audio systemDiffersIntel HDA (Azalia)Intel HDA 24-bit
Number of built-in speakers22
Speaker powerKnown for one2 W
Cameraidentical
Front cameraNoNo
Network4 differ
Networking featuresDiffersFast Ethernet, WLANGigabit Ethernet, WLAN
Wireless technologyDiffersIEEE 802.11b/gIntel 4965AGN
BluetoothDiffersNoYes
Bluetooth versionKnown for one2.0+EDR
Cabling technologyDiffers10/100Base-T(X)10/100/1000Base-T(X)
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers43
Ethernet LAN (RJ-45) ports11
DVI portNoNo
VGA (D-Sub) ports quantity11
Firewire (IEEE 1394) portsDiffers01
Headphone outputs11
S/PDIF out portNoNo
Microphone inYesYes
Docking connectorDiffersNoYes
ExpressCard slotDiffersNoYes
CardBus PCMCIA slots quantityDiffers10
CardBus PCMCIA slot typeDiffersType IINo
SmartCard slotNoNo
Modem (RJ-11) ports11
TV-in portNoNo
TV-outNoNo
PS/2 ports quantity00
Parallel ports quantity00
Serial ports quantity00
USB 1.1 ports quantity00
Keyboard1 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Software1 differ
Operating system installedDiffersWindows XP ProfessionalWindows 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
DC-in jackYesYes
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 slotYesYes
Cable lock slot typeDiffersKensingtonIBM
Fingerprint readerKnown for oneYes
HDD user passwordYesYes
Password protection typeKnown for oneBIOS
Weight & dimensions4 differ
WeightDiffers2.8 kg2.61 kg
WidthDiffers365 mm357.5 mm
DepthDiffers264 mm255 mm
HeightDiffers35.5 mm29.7 mm
Packaging contentidentical
AC adapter includedYesYes
Other featuresidentical
Infrared data portNoNo
Internal modemYesYes
Modem speed56 Kbit/s56 Kbit/s
Modem typeV.92V.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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