Product comparison · 2 laptops

Lenovo IdeaPad Notebooks Intel® Pentium® 4405U Laptop vs Lenovo ThinkPad P51s

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  • 77specifications compared
  • 30differ
  • 47identical
  • 113known for one product only

Key differences

  • Product type
    • IdeaPad Notebooks Intel® Pentium® 4405U Laptop:Laptop
    • ThinkPad P51s:Mobile workstation
  • Panel type
    • IdeaPad Notebooks Intel® Pentium® 4405U Laptop:TN
    • ThinkPad P51s:IPS
  • Display brightness
    • IdeaPad Notebooks Intel® Pentium® 4405U Laptop:200 cd/m²
    • ThinkPad P51s:250 cd/m²
  • Processor family
    • IdeaPad Notebooks Intel® Pentium® 4405U Laptop:Intel® Pentium®
    • ThinkPad P51s:Intel® Core™ i7
  • Processor model
    • IdeaPad Notebooks Intel® Pentium® 4405U Laptop:4405U
    • ThinkPad P51s:i7-7500U
  • Processor frequency
    • IdeaPad Notebooks Intel® Pentium® 4405U Laptop:2.1 GHz
    • ThinkPad P51s:2.7 GHz
  • Processor cache
    • IdeaPad Notebooks Intel® Pentium® 4405U Laptop:2 MB
    • ThinkPad P51s:4 MB
  • Internal memory
    • IdeaPad Notebooks Intel® Pentium® 4405U Laptop:4 GB
    • ThinkPad P51s:8 GB

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Differences highlightedShow differences only (on)
Comparison of Notebooks, ThinkPad P51s
190 specifications
Design2 differ
Product typeDiffersLaptopMobile workstation
Housing materialDiffersAcrylonitrile butadiene styrene (ABS)Glass fibre, Plastic
Market positioningKnown for oneUnknown — not stated by the sourceHigh performance
Certified refurbishedKnown for oneNoUnknown — not stated by the source
Display2 differ
Panel typeDiffersTNIPS
Screen shapeKnown for oneUnknown — not stated by the sourceFlat
Display brightnessDiffers200 cd/m²250 cd/m²
Contrast ratio (typical)Known for oneUnknown — not stated by the source700:1
Display surfaceKnown for oneGlossUnknown — not stated by the source
Processor4 differ
Processor familyDiffersIntel® Pentium®Intel® Core™ i7
Processor generationKnown for oneUnknown — not stated by the source7th gen Intel® Core™ i7
Processor modelDiffers4405Ui7-7500U
Processor boost frequencyKnown for oneUnknown — not stated by the source3.5 GHz
Processor frequencyDiffers2.1 GHz2.7 GHz
System bus rateKnown for oneUnknown — not stated by the source4 GT/s
Processor cacheDiffers2 MB4 MB
Processor lithographyKnown for oneUnknown — not stated by the source14 nm
Processor operating modesKnown for oneUnknown — not stated by the source64-bit
Processor codenameKnown for oneUnknown — not stated by the sourceKaby Lake
Bus typeKnown for oneUnknown — not stated by the sourceOPI
SteppingKnown for oneUnknown — not stated by the sourceH0
Thermal Design Power (TDP)Known for oneUnknown — not stated by the source15 W
Configurable TDP-up frequencyKnown for oneUnknown — not stated by the source2.9 GHz
Configurable TDP-upKnown for oneUnknown — not stated by the source25 W
Configurable TDP-downKnown for oneUnknown — not stated by the source7.5 W
Configurable TDP-down frequencyKnown for oneUnknown — not stated by the source0.8 GHz
TjunctionKnown for oneUnknown — not stated by the source100 °C
Maximum number of PCI Express lanesKnown for oneUnknown — not stated by the source12
PCI Express configurationsKnown for oneUnknown — not stated by the source1x2+2x1, 1x4, 2x2, 4x1
PCI Express slots versionKnown for oneUnknown — not stated by the source3.0
ECC supported by processorKnown for oneUnknown — not stated by the sourceNo
Processor base powerKnown for one15 WUnknown — not stated by the source
Memory4 differ
Internal memoryDiffers4 GB8 GB
Memory form factorDiffersOn-board + SO-DIMMSO-DIMM
Memory layout (slots x size)Known for oneUnknown — not stated by the source1 x 8 GB
Memory slotsDiffers1x SO-DIMM2x SO-DIMM
Maximum internal memoryDiffers8 GB32 GB
Maximum internal memory (64-bit)Known for oneUnknown — not stated by the source32 GB
Storage2 differ
HDD interfaceDiffersSATASATA III
HDD speedKnown for oneUnknown — not stated by the source5400 RPM
Optical drive typeDiffersDVD-RWNo
Total HDDs capacityKnown for one1 TBUnknown — not stated by the source
Graphics3 differ
Discrete graphics cardDiffersNoYes
Discrete graphics card modelDiffersNot availableNVIDIA® Quadro® M520M
Discrete graphics card memoryKnown for oneUnknown — not stated by the source2 GB
Discrete graphics memory typeKnown for oneUnknown — not stated by the sourceGDDR5
On-board graphics card modelDiffersIntel® HD Graphics 510Intel® HD Graphics 620
Maximum on-board graphics card memoryKnown for oneUnknown — not stated by the source32 GB
On-board graphics card base frequencyKnown for oneUnknown — not stated by the source300 MHz
On-board graphics card dynamic frequency (max)Known for oneUnknown — not stated by the source1050 MHz
On-board graphics card DirectX versionKnown for oneUnknown — not stated by the source12.0
On-board graphics card OpenGL versionKnown for oneUnknown — not stated by the source4.4
On-board graphics card IDKnown for oneUnknown — not stated by the source0x5916
On-board GPU manufacturerKnown for oneIntelUnknown — not stated by the source
Audio2 differ
Audio chipKnown for oneUnknown — not stated by the sourceRealtek ALC3268
Number of built-in speakersDiffers12
Speaker powerDiffers1.5 W2 W
Cameraidentical
Front camera resolution (numeric)Known for one0.3 MPUnknown — not stated by the source
Optical driveidentical
LightScribeKnown for oneUnknown — not stated by the sourceNo
Network1 differ
Wi-FiKnown for oneUnknown — not stated by the sourceYes
Ethernet LAN data ratesDiffers10,100 Mbit/s10,100,1000 Mbit/s
Mobile network connectionKnown for oneNoUnknown — not stated by the source
Top Wi-Fi standardKnown for oneWi-Fi 5 (802.11ac)Unknown — not stated by the source
Antenna typeKnown for one1x1Unknown — not stated by the source
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers10
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers13
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for oneUnknown — not stated by the source0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for oneUnknown — not stated by the source1
HDMI versionKnown for oneUnknown — not stated by the source1.4b
Mini DisplayPorts quantityKnown for oneUnknown — not stated by the source1
DVI portKnown for oneUnknown — not stated by the sourceNo
Thunderbolt ports quantityKnown for oneUnknown — not stated by the source0
Thunderbolt 3 ports quantityKnown for oneUnknown — not stated by the source0
Headphone outputsKnown for oneUnknown — not stated by the source0
Microphone inKnown for oneUnknown — not stated by the sourceNo
Docking connectorDiffersNoYes
USB Sleep-and-ChargeKnown for oneUnknown — not stated by the sourceYes
USB Sleep-and-Charge portsKnown for oneUnknown — not stated by the source1
Keyboard1 differ
Pointing deviceDiffersTouchpadThinkPad UltraNav
Keyboard backlitKnown for oneUnknown — not stated by the sourceYes
Spill-resistant keyboardKnown for oneUnknown — not stated by the sourceYes
Software1 differ
Operating system installedDiffersWindows 10 HomeWindows 10 Pro
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for oneUnknown — not stated by the sourceYes
CPU configuration (max)Known for oneUnknown — not stated by the source1
Embedded options availableKnown for oneUnknown — not stated by the sourceNo
Enhanced Intel SpeedStep TechnologyKnown for oneUnknown — not stated by the sourceYes
Execute Disable BitKnown for oneUnknown — not stated by the sourceYes
Graphics & IMC lithographyKnown for oneUnknown — not stated by the source14 nm
Idle StatesKnown for oneUnknown — not stated by the sourceYes
Intel 64Known for oneUnknown — not stated by the sourceYes
Intel Clear Video TechnologyKnown for oneUnknown — not stated by the sourceYes
Intel Enhanced Halt StateKnown for oneUnknown — not stated by the sourceYes
Intel Flex Memory AccessKnown for oneUnknown — not stated by the sourceYes
Intel Identity Protection Technology versionKnown for oneUnknown — not stated by the source1.00
Intel Secure Key Technology versionKnown for oneUnknown — not stated by the source1.00
Intel Smart Response Technology versionKnown for oneUnknown — not stated by the source1.00
Intel Software Guard Extensions (Intel SGX)Known for oneUnknown — not stated by the sourceYes
Intel Stable Image Platform Program (SIPP)Known for oneUnknown — not stated by the sourceNo
Intel Stable Image Platform Program (SIPP) versionKnown for oneUnknown — not stated by the source0.00
Intel TSX-NIKnown for oneUnknown — not stated by the sourceNo
Intel TSX-NI versionKnown for oneUnknown — not stated by the source0.00
Intel Trusted Execution TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel VT-x with Extended Page Tables (EPT)Known for oneUnknown — not stated by the sourceYes
Intel Virtualization Technology (VT-x)Known for oneUnknown — not stated by the sourceYes
Intel Virtualization Technology for Directed I/O (VT-d)Known for oneUnknown — not stated by the sourceYes
Intel® AES New Instructions (Intel® AES-NI)Known for oneUnknown — not stated by the sourceYes
Intel® Clear Video HD Technology (Intel® CVT HD)Known for oneUnknown — not stated by the sourceYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneUnknown — not stated by the sourceYes
Intel® Hyper Threading Technology (Intel® HT Technology)Known for oneUnknown — not stated by the sourceYes
Intel® Identity Protection Technology (Intel® IPT)Known for oneUnknown — not stated by the sourceYes
Intel® InTru™ 3D TechnologyKnown for oneUnknown — not stated by the sourceYes
Intel® Insider™Known for oneUnknown — not stated by the sourceYes
Intel® My WiFi Technology (Intel® MWT)Known for oneUnknown — not stated by the sourceYes
Intel® OS GuardKnown for oneUnknown — not stated by the sourceYes
Intel® Quick Sync Video TechnologyKnown for oneUnknown — not stated by the sourceYes
Intel® Secure KeyKnown for oneUnknown — not stated by the sourceYes
Intel® Small Business Advantage (Intel® SBA)Known for oneUnknown — not stated by the sourceYes
Intel® Smart Response TechnologyKnown for oneUnknown — not stated by the sourceYes
Intel® Turbo Boost TechnologyKnown for oneUnknown — not stated by the source2.0
Processor ARK IDKnown for oneUnknown — not stated by the source95451
Processor codeKnown for oneUnknown — not stated by the sourceSR2ZV
Processor package sizeKnown for oneUnknown — not stated by the source42 x 24 mm
Supported instruction setsKnown for oneUnknown — not stated by the sourceAVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesKnown for oneUnknown — not stated by the sourceYes
Conflict-Free processorKnown for oneUnknown — not stated by the sourceYes
Battery1 differ
Number of battery cellsDiffers43+4
Battery life (max)Known for oneUnknown — not stated by the source13.8 h
Battery capacityKnown for one32 WhUnknown — not stated by the source
Poweridentical
AC adapter powerKnown for oneUnknown — not stated by the source65 W
DC-in jackKnown for oneUnknown — not stated by the sourceYes
USB Type-C charging portKnown for oneNoUnknown — not stated by the source
Security1 differ
Fingerprint readerDiffersNoYes
Trusted Platform Module (TPM)Known for oneUnknown — not stated by the sourceYes
Sustainabilityidentical
Sustainability certificatesKnown for oneUnknown — not stated by the sourceEPEAT Gold, ENERGY STAR
Weight & dimensions3 differ
WeightDiffers2.2 kg1.99 kg
WidthDiffers378 mm365.8 mm
DepthDiffers265 mm252.8 mm
Height (front)Known for oneUnknown — not stated by the source2 cm
Height (rear)Known for oneUnknown — not stated by the source2.02 cm
HeightKnown for one22.9 mmUnknown — not stated by the source
Packaging contentidentical
ManualKnown for oneUnknown — not stated by the sourceYes
Power cord includedKnown for oneUnknown — not stated by the sourceYes
Quick start guideKnown for oneUnknown — not stated by the sourceYes

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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