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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Comparison of E5-774-397Z, X7851
167 specifications
Designidentical
Product typeLaptopLaptop
Product colourBlackBlack
Form factorClamshellClamshell
Market positioningKnown for oneUnknown — not stated by the sourceGaming
Display2 differ
Display diagonal43.9 cm (17.3")43.9 cm (17.3")
Display resolutionDiffers1600 x 900 pixels1920 x 1080 pixels
TouchscreenNoNo
HD typeDiffersHD+Full HD
Panel typeKnown for oneTFTUnknown — not stated by the source
LED backlightYesYes
Native aspect ratio16:916:9
Display surfaceKnown for oneUnknown — not stated by the sourceMatt
Processor14 differ
Processor manufacturerIntelIntel
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 cache typeSmart CacheSmart Cache
Processor socketKnown for oneBGA 1356Unknown — not stated by the source
Processor lithography14 nm14 nm
Processor operating modes64-bit64-bit
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
Tjunction100 °C100 °C
Maximum number of PCI Express lanesDiffers1216
PCI Express configurationsDiffers1x2+2x1, 1x4, 2x2, 4x11x16, 1x8, 2x4, 2x8
PCI Express slots version3.03.0
ECC supported by processorNoNo
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
Internal memory typeDDR4-SDRAMDDR4-SDRAM
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
Storage mediaHDD+SSDHDD+SSD
Number of HDDs installed11
HDD capacity1 TB1 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
Number of SSDs installed11
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
Card reader integratedYesYes
Compatible memory cardsDiffersSDSD, SDHC, SDXC
Graphics7 differ
On-board graphics cardYesYes
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 DirectX version12.012.0
On-board graphics card OpenGL version4.44.4
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
Number of built-in speakers22
Built-in microphoneYesYes
Speakers manufacturerKnown for oneUnknown — not stated by the sourceOnkyo
Built-in subwooferKnown for oneUnknown — not stated by the sourceYes
Cameraidentical
Front cameraYesYes
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
Wi-FiYesYes
Top Wi-Fi standardKnown for oneWi-Fi 5 (802.11ac)Unknown — not stated by the source
Wi-Fi standardsWi-Fi 5 (802.11ac)Wi-Fi 5 (802.11ac)
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
BluetoothYesYes
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
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DisplayPorts quantity00
DVI portNoNo
VGA (D-Sub) ports quantity00
Thunderbolt ports quantity00
Combo headphone/mic portKnown for oneYesUnknown — not stated by the source
Docking connectorNoNo
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
Pointing deviceTouchpadTouchpad
Numeric keypadYesYes
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
Softwareidentical
Operating system installedWindows 10 HomeWindows 10 Home
Operating system architecture64-bit64-bit
Processor special features3 differ
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 Enhanced Halt StateYesYes
Intel Identity Protection Technology version1.001.00
Intel Secure Key Technology version1.001.00
Intel Small Business Advantage (SBA) version1.001.00
Intel Smart Response Technology version1.001.00
Intel Software Guard Extensions (Intel SGX)YesYes
Intel Stable Image Platform Program (SIPP)NoNo
Intel Stable Image Platform Program (SIPP) version0.000.00
Intel TSX-NINoNo
Intel TSX-NI version0.000.00
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® 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™Known for oneYesUnknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)YesYes
Intel® OS GuardYesYes
Intel® Quick Sync Video TechnologyYesYes
Intel® Secure KeyYesYes
Intel® Small Business Advantage (Intel® SBA)Known for oneYesUnknown — not stated by the source
Intel® Smart Response TechnologyYesYes
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
Supported instruction setsAVX 2.0, SSE4.1, SSE4.2AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorYesYes
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)
Number of battery cells44
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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