Product comparison · 2 laptops

Lenovo Flex 3 (14") vs Lenovo Flex 3 (15")

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  • 159specifications compared
  • 11differ
  • 148identical
  • 8known for one product only

Key differences

  • Display diagonal
    • Flex 3 (14"):35.6 cm (14")
    • Flex 3 (15"):39.6 cm (15.6")
  • Display resolution
    • Flex 3 (14"):1920 x 1080 pixels
    • Flex 3 (15"):1366 x 768 pixels
  • Internal memory
    • Flex 3 (14"):8 GB
    • Flex 3 (15"):4 GB
  • Memory layout (slots x size)
    • Flex 3 (14"):1 x 8 GB
    • Flex 3 (15"):1 x 4 GB
  • Storage media
    • Flex 3 (14"):Hybrid-HDD
    • Flex 3 (15"):HDD
  • Numeric keypad
    • Flex 3 (14"):No
    • Flex 3 (15"):Yes
  • Battery life (max)
    • Flex 3 (14"):7 h
    • Flex 3 (15"):6 h
  • Weight
    • Flex 3 (14"):1.8 kg
    • Flex 3 (15"):2.1 kg

Side by side

Differences highlightedShow differences only (off)
Comparison of Flex 3 (14"), Flex 3 (15")
167 specifications
Designidentical
Product typeHybrid (2-in-1)Hybrid (2-in-1)
Product colourBlackBlack
Form factorConvertible (Folder)Convertible (Folder)
Display2 differ
Display diagonalDiffers35.6 cm (14")39.6 cm (15.6")
Display resolutionDiffers1920 x 1080 pixels1366 x 768 pixels
TouchscreenYesYes
Touchscreen typeCapacitiveCapacitive
HD typeKnown for oneFull HDUnknown — not stated by the source
Touch technologyMulti-touchMulti-touch
LED backlightYesYes
Native aspect ratio16:916:9
Display surfaceMattMatt
Processoridentical
Processor manufacturerIntelIntel
Processor familyIntel® Core™ i5Intel® Core™ i5
Processor generation5th gen Intel® Core™ i55th gen Intel® Core™ i5
Processor modeli5-5200Ui5-5200U
Processor cores22
Processor threads44
Processor boost frequency2.7 GHz2.7 GHz
Processor frequency2.2 GHz2.2 GHz
System bus rate5 GT/s5 GT/s
Processor cache3 MB3 MB
Processor cache typeSmart CacheSmart Cache
Processor socketBGA 1168BGA 1168
Processor lithography14 nm14 nm
Processor operating modes32-bit, 64-bit32-bit, 64-bit
Processor seriesIntel® Core™ i5-5200 Mobile SeriesIntel® Core™ i5-5200 Mobile Series
Processor codenameBroadwellBroadwell
Bus typeDMI2DMI2
FSB ParityNoNo
SteppingF0F0
Thermal Design Power (TDP)15 W15 W
Configurable TDP-down7.5 W7.5 W
Configurable TDP-down frequency0.6 GHz0.6 GHz
Tjunction105 °C105 °C
Maximum number of PCI Express lanes1212
PCI Express configurations4x1, 2x44x1, 2x4
PCI Express slots version2.02.0
ECC supported by processorNoNo
Memory2 differ
Internal memoryDiffers8 GB4 GB
Internal memory typeDDR3L-SDRAMDDR3L-SDRAM
Memory clock speed1600 MHz1600 MHz
Memory form factorSO-DIMMSO-DIMM
Memory layout (slots x size)Differs1 x 8 GB1 x 4 GB
Memory slots1x SO-DIMM1x SO-DIMM
Maximum internal memory8 GB8 GB
Storage1 differ
Total storage capacity500 GB500 GB
Storage mediaDiffersHybrid-HDDHDD
HDD interfaceSATA IIISATA III
HDD speed5400 RPM5400 RPM
Hybrid-HDD cache typeKnown for oneFlashUnknown — not stated by the source
Hybrid-HDD capacityKnown for one500 GBUnknown — not stated by the source
Hybrid-HDD cache memoryKnown for one8 GBUnknown — not stated by the source
HDD size2.5"2.5"
Optical drive typeNoNo
Card reader integratedYesYes
Compatible memory cardsMMC, SD, SDHC, SDXCMMC, SD, SDHC, SDXC
Number of HDDs installedKnown for oneUnknown — not stated by the source1
HDD capacityKnown for oneUnknown — not stated by the source500 GB
Graphicsidentical
On-board graphics cardYesYes
Discrete graphics cardNoNo
Discrete graphics card modelNot availableNot available
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelIntel® HD Graphics 5500Intel® HD Graphics 5500
Maximum on-board graphics card memory16 GB16 GB
On-board graphics card base frequency300 MHz300 MHz
On-board graphics card dynamic frequency (max)900 MHz900 MHz
On-board graphics card DirectX version11.211.2
On-board graphics card ID0x16160x1616
Audioidentical
Audio systemDolby Home Theater v4Dolby Home Theater v4
Number of built-in speakers22
Speaker power1.5 W1.5 W
Built-in microphoneYesYes
Cameraidentical
Front cameraYesYes
Optical driveidentical
LightScribeNoNo
Networkidentical
Wi-FiYesYes
Top Wi-Fi standardKnown for oneWi-Fi 5 (802.11ac)Unknown — not stated by the source
Wi-Fi standards802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
BluetoothYesYes
Bluetooth version4.04.0
Ports & interfacesidentical
USB 2.0 ports quantity11
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity22
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DisplayPorts quantity00
DVI portNoNo
VGA (D-Sub) ports quantity00
Thunderbolt ports quantity00
Headphone outputs00
S/PDIF out portNoNo
Combo headphone/mic portYesYes
Microphone inNoNo
Docking connectorNoNo
ExpressCard slotNoNo
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
USB Sleep-and-ChargeYesYes
USB Sleep-and-Charge ports11
Keyboard1 differ
Pointing deviceTouchpadTouchpad
Numeric keypadDiffersNoYes
Softwareidentical
Operating system installedWindows 8.1Windows 8.1
Operating system architecture64-bit64-bit
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)YesYes
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithography14 nm14 nm
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyYesYes
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyYesYes
Intel Fast Memory AccessYesYes
Intel Flex Memory AccessYesYes
Intel Identity Protection Technology version1.001.00
Intel Rapid Storage TechnologyNoNo
Intel Secure Key Technology version1.001.00
Intel Small Business Advantage (SBA) version1.001.00
Intel Smart Response Technology version1.001.00
Intel Trusted Execution TechnologyNoNo
Intel VT-x with Extended Page Tables (EPT)YesYes
Intel Virtualization Technology (VT-x)YesYes
Intel Virtualization Technology for Directed I/O (VT-d)YesYes
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Anti-Theft Technology (Intel® AT)NoNo
Intel® Clear Video HD Technology (Intel® CVT HD)YesYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)YesYes
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® InTru™ 3D TechnologyYesYes
Intel® Insider™YesYes
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® OS GuardYesYes
Intel® Quick Sync Video TechnologyYesYes
Intel® Secure KeyYesYes
Intel® Small Business Advantage (Intel® SBA)YesYes
Intel® Smart Response TechnologyYesYes
Intel® Turbo Boost Technology2.02.0
Intel® Virtualization Technology (Intel® VT)VT-d, VT-xVT-d, VT-x
Processor ARK ID8521285212
Processor codeSR23YSR23Y
Processor package size40 x 24 x 1.3 mm40 x 24 x 1.3 mm
Supported instruction setsAVX 2.0, SSE4.1, SSE4.2AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorYesYes
Battery1 differ
Battery technologyLithium Polymer (LiPo)Lithium Polymer (LiPo)
Number of battery cells33
Battery capacity45 Wh45 Wh
Battery life (max)Differs7 h6 h
Poweridentical
AC adapter powerKnown for one45 WUnknown — not stated by the source
DC-in jackYesYes
Securityidentical
Cable lock slotYesYes
Password protectionYesYes
Password protection typeHDD, Power on, SupervisorHDD, Power on, Supervisor
Certificatesidentical
Compliance certificatesRoHSRoHS
Sustainabilityidentical
Sustainability certificatesEPEAT Silver, ENERGY STAREPEAT Silver, ENERGY STAR
Weight & dimensions4 differ
WeightDiffers1.8 kg2.1 kg
WidthDiffers340 mm385 mm
DepthDiffers235 mm255 mm
HeightDiffers21.5 mm22.2 mm
Packaging contentidentical
AC adapter includedYesYes

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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