Product comparison · 2 laptops

Lenovo IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop vs NEC LaVie E LL750/RS-E3 Intel® Core™ i7 i7-4700MQ Laptop

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  • 138specifications compared
  • 49differ
  • 89identical
  • 40known for one product only

Key differences

  • Product colour
    • IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:Black
    • LaVie E LL750/RS-E3 Intel® Core™ i7 i7-4700MQ Laptop:Red
  • Display resolution
    • IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:1366 x 768 pixels
    • LaVie E LL750/RS-E3 Intel® Core™ i7 i7-4700MQ Laptop:1920 x 1080 pixels
  • Touchscreen
    • IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:No
    • LaVie E LL750/RS-E3 Intel® Core™ i7 i7-4700MQ Laptop:Yes
  • Processor family
    • IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:Intel® Core™ i5
    • LaVie E LL750/RS-E3 Intel® Core™ i7 i7-4700MQ Laptop:Intel® Core™ i7
  • Processor generation
    • IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:4th gen Intel® Core™ i5
    • LaVie E LL750/RS-E3 Intel® Core™ i7 i7-4700MQ Laptop:4th gen Intel® Core™ i7
  • Processor model
    • IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:i5-4200U
    • LaVie E LL750/RS-E3 Intel® Core™ i7 i7-4700MQ Laptop:i7-4700MQ
  • Processor cores
    • IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:2
    • LaVie E LL750/RS-E3 Intel® Core™ i7 i7-4700MQ Laptop:4
  • Processor threads
    • IdeaPad Z50 Intel® Core™ i5 i5-4200U Laptop:4
    • LaVie E LL750/RS-E3 Intel® Core™ i7 i7-4700MQ Laptop:8

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Differences highlightedShow differences only (on)
Comparison of Z50, LL750/RS-E3
178 specifications
Design1 differ
Product colourDiffersBlackRed
Display2 differ
Display resolutionDiffers1366 x 768 pixels1920 x 1080 pixels
TouchscreenDiffersNoYes
Display surfaceKnown for oneGlossUnknown — not stated by the source
Touchscreen typeKnown for oneUnknown — not stated by the sourceCapacitive
HD typeKnown for oneUnknown — not stated by the sourceFull HD
Touch technologyKnown for oneUnknown — not stated by the sourceMulti-touch
Panel typeKnown for oneUnknown — not stated by the sourceIPS
Processor14 differ
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers4th gen Intel® Core™ i54th gen Intel® Core™ i7
Processor modelDiffersi5-4200Ui7-4700MQ
Processor coresDiffers24
Processor threadsDiffers48
Processor boost frequencyDiffers2.6 GHz3.4 GHz
Processor frequencyDiffers1.6 GHz2.4 GHz
Processor cacheDiffers3 MB6 MB
Processor socketDiffersBGA 1168PGA946
Processor seriesDiffersIntel Core i5-4200 Mobile seriesIntel Core i7-4700 Mobile series
Thermal Design Power (TDP)Differs15 W47 W
Maximum number of PCI Express lanesDiffers1216
PCI Express configurationsDiffers1x4, 2x41x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers2.03.0
Memory2 differ
Memory layout (slots x size)Differs2 x 4 GB1 x 8 GB
Maximum internal memoryDiffers8 GB16 GB
Maximum internal memory (64-bit)Known for oneUnknown — not stated by the source16 GB
Storage3 differ
Storage mediaDiffersHDDHybrid-HDD
HDD capacityKnown for one1 TBUnknown — not stated by the source
HDD sizeKnown for one2.5"Unknown — not stated by the source
Optical drive typeDiffersDVD Super Multi DLBlu-Ray DVD Combo
Compatible memory cardsDiffersMMC, SDSD, SDHC, SDXC
Hybrid-HDD capacityKnown for oneUnknown — not stated by the source1 TB
Graphics7 differ
Discrete graphics cardDiffersYesNo
Discrete graphics card modelDiffersNVIDIA® GeForce® GT 840MNot available
Discrete graphics card memoryKnown for one2 GBUnknown — not stated by the source
On-board graphics card modelDiffersIntel® HD Graphics 4400Intel® HD Graphics 4600
On-board graphics card base frequencyDiffers200 MHz400 MHz
On-board graphics card dynamic frequency (max)Differs1000 MHz1150 MHz
On-board graphics card DirectX versionDiffers1211.1
On-board graphics card IDDiffers0xA160x416
Maximum graphics card memoryKnown for oneUnknown — not stated by the source1.792 GB
Graphics card Open GL supportKnown for oneUnknown — not stated by the sourceYes
Audio2 differ
Audio systemDiffersDolby Home TheaterHigh Definition Audio, Waves, MaxxAudio
Speaker powerDiffers1.5 W2 W
Speakers manufacturerKnown for oneUnknown — not stated by the sourceYAMAHA
Cameraidentical
Front camera resolution (numeric)Known for oneUnknown — not stated by the source0.92 MP
Optical driveidentical
LightScribeKnown for oneNoUnknown — not stated by the source
Network1 differ
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
4G WiMAXKnown for oneNoUnknown — not stated by the source
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers20
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers15
eSATA/USB 2.0 ports quantityKnown for one0Unknown — not stated by the source
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one0Unknown — not stated by the source
eSATA ports quantityKnown for one0Unknown — not stated by the source
VGA (D-Sub) ports quantityDiffers10
Firewire (IEEE 1394) portsKnown for one0Unknown — not stated by the source
Headphone outputsDiffers01
Combo headphone/mic portKnown for oneYesUnknown — not stated by the source
Microphone inDiffersNoYes
Total number of SATA connectorsKnown for one4Unknown — not stated by the source
Number of SATA III connectorsKnown for one4Unknown — not stated by the source
USB Sleep-and-ChargeKnown for oneUnknown — not stated by the sourceYes
Performance1 differ
Motherboard chipsetDiffersIntel HM76 ExpressIntel® HM87
Keyboardidentical
Pointing deviceKnown for oneUnknown — not stated by the sourceTouchpad
Island-style keyboardKnown for oneUnknown — not stated by the sourceYes
Processor special features6 differ
Intel FDI TechnologyDiffersNoYes
Intel ME Firmware VersionKnown for one9.5Unknown — not stated by the source
Intel Rapid Storage TechnologyDiffersYesNo
Intel Smart Connect TechnologyKnown for oneYesUnknown — not stated by the source
Intel Smart Connect Technology versionKnown for one1.00Unknown — not stated by the source
Intel® High Definition Audio (Intel® HD Audio)Known for oneYesUnknown — not stated by the source
Intel® Matrix Storage Technology (Intel® MST)Known for oneNoUnknown — not stated by the source
Processor ARK IDDiffers7545975117
Processor codeDiffersSR170SR15H
Processor package sizeDiffers40 x 24 x 1.5 mm37.5 x 32 x 1.6 mm
Supported instruction setsDiffersAVX 2.0AVX 2.0, SSE4.1, SSE4.2
Intel® Smart CacheKnown for oneUnknown — not stated by the sourceYes
Batteryidentical
Number of battery cellsKnown for one4Unknown — not stated by the source
Battery life (max)Known for one5 hUnknown — not stated by the source
Poweridentical
AC adapter powerKnown for oneUnknown — not stated by the source90 W
AC adapter frequencyKnown for oneUnknown — not stated by the source50 - 60 Hz
AC adapter input voltageKnown for oneUnknown — not stated by the source100 - 240 V
Security1 differ
Cable lock slotDiffersNoYes
Weight & dimensions4 differ
WeightDiffers2.5 kg3.1 kg
WidthDiffers375 mm382 mm
DepthDiffers263 mm270 mm
HeightDiffers25.4 mm33.1 mm
Packaging contentidentical
Power cord includedKnown for oneUnknown — not stated by the sourceYes
Operational conditionsidentical
Operating temperature (T-T)Known for oneUnknown — not stated by the source5 - 35 °C
Operating relative humidity (H-H)Known for oneUnknown — not stated by the source20 - 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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