Product comparison · 2 laptops

Acer Aspire E5-774-397Z Intel® Core™ i3 i3-6157U Laptop vs ERAZER X7851 Intel® Core™ i7 i7-7700HQ Laptop

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  • 120specifications compared
  • 40differ
  • 80identical
  • 47known for one product only

Key differences

  • Display resolution
    • Aspire E5-774-397Z Intel® Core™ i3 i3-6157U Laptop:1600 x 900 pixels
    • X7851 Intel® Core™ i7 i7-7700HQ Laptop:1920 x 1080 pixels
  • HD type
    • Aspire E5-774-397Z Intel® Core™ i3 i3-6157U Laptop:HD+
    • X7851 Intel® Core™ i7 i7-7700HQ Laptop:Full HD
  • Processor family
    • Aspire E5-774-397Z Intel® Core™ i3 i3-6157U Laptop:Intel® Core™ i3
    • X7851 Intel® Core™ i7 i7-7700HQ Laptop:Intel® Core™ i7
  • Processor generation
    • Aspire E5-774-397Z Intel® Core™ i3 i3-6157U Laptop:6th gen Intel® Core™ i3
    • X7851 Intel® Core™ i7 i7-7700HQ Laptop:7th gen Intel® Core™ i7
  • Processor model
    • Aspire E5-774-397Z Intel® Core™ i3 i3-6157U Laptop:i3-6157U
    • X7851 Intel® Core™ i7 i7-7700HQ Laptop:i7-7700HQ
  • Processor cores
    • Aspire E5-774-397Z Intel® Core™ i3 i3-6157U Laptop:2
    • X7851 Intel® Core™ i7 i7-7700HQ Laptop:4
  • Processor threads
    • Aspire E5-774-397Z Intel® Core™ i3 i3-6157U Laptop:4
    • X7851 Intel® Core™ i7 i7-7700HQ Laptop:8
  • Processor frequency
    • Aspire E5-774-397Z Intel® Core™ i3 i3-6157U Laptop:2.4 GHz
    • X7851 Intel® Core™ i7 i7-7700HQ Laptop:2.8 GHz

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Differences highlightedShow differences only (on)
Comparison of E5-774-397Z, X7851
167 specifications
Designidentical
Market positioningKnown for oneUnknown — not stated by the sourceGaming
Display2 differ
Display resolutionDiffers1600 x 900 pixels1920 x 1080 pixels
HD typeDiffersHD+Full HD
Panel typeKnown for oneTFTUnknown — not stated by the source
Display surfaceKnown for oneUnknown — not stated by the sourceMatt
Processor14 differ
Processor familyDiffersIntel® Core™ i3Intel® Core™ i7
Processor generationDiffers6th gen Intel® Core™ i37th gen Intel® Core™ i7
Processor modelDiffersi3-6157Ui7-7700HQ
Processor coresDiffers24
Processor threadsDiffers48
Processor frequencyDiffers2.4 GHz2.8 GHz
System bus rateDiffers4 GT/s8 GT/s
Processor cacheDiffers3 MB6 MB
Processor socketKnown for oneBGA 1356Unknown — not stated by the source
Processor codenameDiffersSkylakeKaby Lake
Bus typeDiffersOPIDMI3
SteppingKnown for oneK1Unknown — not stated by the source
Thermal Design Power (TDP)Differs28 W45 W
Configurable TDP-downDiffers23 W35 W
Maximum number of PCI Express lanesDiffers1216
PCI Express configurationsDiffers1x2+2x1, 1x4, 2x2, 4x11x16, 1x8, 2x4, 2x8
Processor boost frequencyKnown for oneUnknown — not stated by the source3.8 GHz
Processor seriesKnown for oneUnknown — not stated by the sourceIntel Core i7-7700 Mobile Series
Memory2 differ
Internal memoryDiffers8 GB16 GB
Memory form factorKnown for oneSO-DIMMUnknown — not stated by the source
Memory slotsDiffers2x SO-DIMM4x SO-DIMM
Maximum internal memoryKnown for one32 GBUnknown — not stated by the source
Memory clock speedKnown for oneUnknown — not stated by the source2400 MHz
Storage3 differ
Total storage capacityDiffers1.12 TB1.25 TB
HDD interfaceKnown for oneSATAUnknown — not stated by the source
HDD speedKnown for one5400 RPMUnknown — not stated by the source
HDD sizeKnown for one2.5"Unknown — not stated by the source
SSD capacityDiffers128 GB256 GB
SSD interfaceKnown for oneSATA IIIUnknown — not stated by the source
Optical drive typeKnown for oneDVD Super Multi DLUnknown — not stated by the source
Compatible memory cardsDiffersSDSD, SDHC, SDXC
Graphics7 differ
Discrete graphics cardDiffersNoYes
Discrete graphics card modelDiffersNot availableNVIDIA® GeForce® GTX 1060
On-board graphics card modelDiffersIntel® Iris™ Graphics 550Intel® HD Graphics 630
Maximum on-board graphics card memoryDiffers32 GB64 GB
On-board graphics card base frequencyDiffers300 MHz350 MHz
On-board graphics card dynamic frequency (max)Differs1000 MHz1100 MHz
On-board graphics card IDDiffers19270x591B
Discrete graphics card memoryKnown for oneUnknown — not stated by the source8 GB
Discrete graphics memory typeKnown for oneUnknown — not stated by the sourceGDDR5
Audioidentical
Speakers manufacturerKnown for oneUnknown — not stated by the sourceOnkyo
Built-in subwooferKnown for oneUnknown — not stated by the sourceYes
Cameraidentical
Front camera resolutionKnown for one1280 x 720 pixelsUnknown — not stated by the source
Front camera signal formatKnown for one720pUnknown — not stated by the source
Networkidentical
Top Wi-Fi standardKnown for oneWi-Fi 5 (802.11ac)Unknown — not stated by the source
Bluetooth versionKnown for oneUnknown — not stated by the source4.1
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers20
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers23
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityDiffers12
Combo headphone/mic portKnown for oneYesUnknown — not stated by the source
Mini DisplayPorts quantityKnown for oneUnknown — not stated by the source2
S/PDIF out portKnown for oneUnknown — not stated by the sourceYes
Line-inKnown for oneUnknown — not stated by the sourceYes
Microphone inKnown for oneUnknown — not stated by the sourceYes
Keyboardidentical
Full-size keyboardKnown for oneYesUnknown — not stated by the source
Keyboard layoutKnown for oneQWERTYUnknown — not stated by the source
Keyboard backlitKnown for oneUnknown — not stated by the sourceYes
Windows keysKnown for oneUnknown — not stated by the sourceYes
Processor special features3 differ
Intel® Insider™Known for oneYesUnknown — not stated by the source
Intel® Small Business Advantage (Intel® SBA)Known for oneYesUnknown — not stated by the source
Intel® Turbo Boost TechnologyDiffersNo2.0
Processor ARK IDDiffers9648497185
Processor codeKnown for oneSSSR2XAUnknown — not stated by the source
Processor package sizeDiffers42 x 24 mm42 x 28 mm
Intel Flex Memory AccessKnown for oneUnknown — not stated by the sourceYes
Intel® Smart CacheKnown for oneUnknown — not stated by the sourceYes
Battery3 differ
Battery technologyDiffersLithium-Ion (Li-Ion)Lithium Polymer (LiPo)
Battery capacityDiffers41.4 Wh60 Wh
Battery life (max)Differs5.5 h4 h
Poweridentical
AC adapter powerKnown for one65 WUnknown — not stated by the source
DC-in jackKnown for oneYesUnknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers3 kg3.5 kg
WidthDiffers423.3 mm418 mm
DepthDiffers281.9 mm287 mm
Height (front)Known for one2.76 cmUnknown — not stated by the source
Height (rear)Known for one3.31 cmUnknown — not stated by the source
HeightKnown for oneUnknown — not stated by the source34.2 mm
Packaging contentidentical
AC adapter includedKnown for oneYesUnknown — not stated by the source
Cables includedKnown for oneACUnknown — not stated by the source
Power cord includedKnown for oneYesUnknown — not stated by the source
Securityidentical
Cable lock slotKnown for oneUnknown — not stated by the sourceYes
Cable lock slot typeKnown for oneUnknown — not stated by the sourceKensington

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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