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Product comparison · 2 laptops

Lenovo ThinkPad R500 (27148UG) vs Lenovo ThinkPad T400 + 39T4590

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  • 96specifications compared
  • 18differ
  • 78identical
  • 31known for one product only

Key differences

  • Display diagonal
    • 39.1 cm (15.4")
    • 35.8 cm (14.1")
  • Processor model
    • T6570
    • P8700
  • Processor frequency
    • 2.1 GHz
    • 2.53 GHz
  • Processor cache
    • 2 MB
    • 3 MB
  • Processor socket
    • Socket 478
    • Socket 479
  • Processor operating modes
    • 32-bit, 64-bit
    • 64-bit
  • Thermal Design Power (TDP)
    • 35 W
    • 25 W
  • Tjunction
    • 100 °C
    • 105 °C

Side by side

Differences highlightedShow differences only
127 specifications
A

Lenovo

ThinkPad R500 (27148UG)View product
B

Lenovo

ThinkPad T400 + 39T4590View product
Display1 differ
Display diagonalDiffers39.1 cm (15.4")35.8 cm (14.1")
Display resolutionKnown for one1280 x 800 pixels
Native aspect ratioKnown for one16:10
Dual-screenKnown for oneNo
Processor7 differ
Processor modelDiffersT6570P8700
Processor frequencyDiffers2.1 GHz2.53 GHz
Processor cacheDiffers2 MB3 MB
Processor socketDiffersSocket 478Socket 479
Processor operating modesDiffers32-bit, 64-bit64-bit
Thermal Design Power (TDP)Differs35 W25 W
TjunctionDiffers100 °C105 °C
Processor front side busKnown for one1066 MHz
Processor seriesKnown for oneIntel Core 2 Duo P8000 Series
Bus typeKnown for oneFSB
SteppingKnown for oneR0
CPU multiplier (bus/core ratio)Known for one9.5
Memoryidentical
Memory clock speedKnown for one1066 MHz
Memory layout (slots x size)Known for one1 x 2 GB
Maximum internal memoryKnown for one4 GB
Storage2 differ
Total storage capacityDiffers250 GB320 GB
HDD speedKnown for one5400 RPM
Optical drive typeDiffersDVD-RWDVD-ROM
Audio1 differ
Audio systemDiffersConexant Azalia 24-bitHigh Definition Audio
Network2 differ
Networking featuresDiffersWLAN, Gigabit EthernetGigabit Ethernet, WLAN
Wireless technologyDiffersIntel 5100AGN802.11 a/g/n
Bluetooth versionKnown for one2.0+EDR
Ports & interfaces1 differ
SmartCard slotDiffersNoYes
Keyboardidentical
Keyboard layoutKnown for oneQWERTY
Softwareidentical
Optional operating system suppliedKnown for oneWindows XP Professional
Drivers includedKnown for oneYes
Processor special features3 differ
Intel Enhanced Halt StateDiffersNoYes
Intel Trusted Execution TechnologyDiffersNoYes
Processor ARK IDDiffers4284137006
Idle StatesKnown for oneYes
Processor codeKnown for oneSLGFE
Processor package sizeKnown for one35 x 35 mm
Batteryidentical
Battery life (max)Known for one4.5 h
Securityidentical
Fingerprint readerKnown for oneYes
Password protection typeKnown for oneBIOS
Weight & dimensions1 differ
WeightDiffers2.94 kg2.14 kg
WidthKnown for one358.6 mm
DepthKnown for one260 mm
HeightKnown for one38.5 mm
Dimensions (WxDxH)Known for one335.5 x 238 x 32 mm
Other featuresidentical
Modem typeKnown for one1
Power requirementsKnown for one100V – 240V AC, 50Hz/60Hz
Intel segment taggingKnown for oneHome office, Small Business
Operational conditionsidentical
Operating temperature (T-T)Known for one5 - 35 °C
Operating relative humidity (H-H)Known for one30 - 80%

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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