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Product comparison · 2 laptops

Acer Aspire 5 A517-51-5832 Intel® Core™ i5 i5-8250U Laptop vs Acer Predator 21 X GX21-71-76LZ Intel® Core™ i7 i7-7820HK Laptop

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  • 125specifications compared
  • 46differ
  • 79identical
  • 31known for one product only

Key differences

  • Display diagonal
    • 43.9 cm (17.3")
    • 53.3 cm (21")
  • Display resolution
    • 1920 x 1080 pixels
    • 2560 x 1080 pixels
  • HD type
    • Full HD
    • WFHD
  • Native aspect ratio
    • 16:9
    • 21:9
  • Processor family
    • Intel® Core™ i5
    • Intel® Core™ i7
  • Processor generation
    • 8th gen Intel® Core™ i5
    • 7th gen Intel® Core™ i7
  • Processor model
    • i5-8250U
    • i7-7820HK
  • Processor boost frequency
    • 3.4 GHz
    • 3.9 GHz

Side by side

Differences highlightedShow differences only
156 specifications
A

Acer

Aspire 5 A517-51-5832 Intel® Core™ i5 i5-8250U Laptop

Model A517-51-5832

View product
B

Acer

Predator 21 X GX21-71-76LZ Intel® Core™ i7 i7-7820HK Laptop

Model GX21-71-76LZ

View product
Designidentical
Product typeLaptopLaptop
Product colourBlackBlack
Form factorClamshellClamshell
Market positioningKnown for oneGaming
Display4 differ
Display diagonalDiffers43.9 cm (17.3")53.3 cm (21")
Display resolutionDiffers1920 x 1080 pixels2560 x 1080 pixels
TouchscreenNoNo
HD typeDiffersFull HDWFHD
Panel typeKnown for oneIPS
LED backlightYesYes
Native aspect ratioDiffers16:921:9
Processor13 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers8th gen Intel® Core™ i57th gen Intel® Core™ i7
Processor modelDiffersi5-8250Ui7-7820HK
Processor cores44
Processor threads88
Processor boost frequencyDiffers3.4 GHz3.9 GHz
Processor frequencyDiffers1.6 GHz2.9 GHz
System bus rateDiffers4 GT/s8 GT/s
Processor cacheDiffers6 MB8 MB
Processor cache typeSmart CacheSmart Cache
Processor lithography14 nm14 nm
Processor operating modes64-bit64-bit
Processor seriesKnown for oneIntel Core i7-7800 Mobile Series
Processor codenameDiffersKaby Lake RKaby Lake
Bus typeDiffersOPIDMI3
Thermal Design Power (TDP)Differs15 W45 W
Configurable TDP-downDiffers10 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 socketKnown for oneBGA 1356
SteppingKnown for oneY0
Configurable TDP-up frequencyKnown for one1.8 GHz
Configurable TDP-upKnown for one25 W
Configurable TDP-down frequencyKnown for one0.8 GHz
Memory2 differ
Internal memoryDiffers8 GB64 GB
Internal memory typeDDR4-SDRAMDDR4-SDRAM
Memory slotsKnown for one4x SO-DIMM
Maximum internal memoryDiffers20 GB64 GB
Storage6 differ
Total storage capacityDiffers256 GB2 TB
Storage mediaDiffersSSDHDD+SSD
Number of HDDs installedKnown for one1
HDD capacityKnown for one1 TB
HDD interfaceKnown for oneSATA
HDD speedKnown for one5400 RPM
Number of SSDs installedDiffers12
SSD capacityDiffers256 GB512 GB
Optical drive typeDiffersDVD-RWNo
Card reader integratedYesYes
Compatible memory cardsDiffersSD, SDXCSD
Graphics6 differ
On-board graphics cardYesYes
Discrete graphics cardDiffersNoYes
Discrete graphics card modelDiffersNot availableNVIDIA® GeForce® GTX 1080 SLI
Discrete graphics card memoryKnown for one16 GB
Discrete graphics memory typeKnown for oneGDDR5X
On-board graphics card modelDiffersIntel® UHD Graphics 620Intel® 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)1100 MHz1100 MHz
On-board graphics card DirectX version12.012.0
On-board graphics card OpenGL version4.44.4
On-board graphics card IDDiffers0x59170x591B
Audio1 differ
Number of built-in speakersDiffers24
Built-in microphoneYesYes
Cameraidentical
Front cameraYesYes
Front camera resolution1280 x 720 pixels1280 x 720 pixels
Networkidentical
Wi-FiYesYes
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
Top Wi-Fi standardKnown for oneWi-Fi 5 (802.11ac)
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers20
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers14
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity11
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity00
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity00
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DisplayPorts quantityDiffers01
DVI portKnown for oneNo
VGA (D-Sub) ports quantityKnown for one0
Thunderbolt ports quantity00
Thunderbolt 3 ports quantity00
Combo headphone/mic portYesYes
Docking connectorKnown for oneNo
Keyboardidentical
Pointing deviceTouchpadTouchpad
Keyboard backlitKnown for oneYes
Numeric keypadYesYes
Windows keysYesYes
Software1 differ
Operating system installedDiffersLinuxWindows 10 Home
Operating system architectureKnown for one64-bit
Processor special features4 differ
Intel® Wireless Display (Intel® WiDi)Known for oneYes
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithographyKnown for one14 nm
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyYesYes
Intel Enhanced Halt StateYesYes
Intel Flex Memory AccessYesYes
Intel HD GraphicsKnown for oneYes
Intel Identity Protection Technology version1.001.00
Intel Secure Key Technology version1.001.00
Intel Small Business Advantage (SBA) versionKnown for one1.00
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-NIDiffersNoYes
Intel TSX-NI versionDiffers0.001.00
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® 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® My WiFi Technology (Intel® MWT)YesYes
Intel® OS GuardYesYes
Intel® Quick Sync Video TechnologyYesYes
Intel® Secure KeyYesYes
Intel® Smart CacheKnown for oneYes
Intel® Smart Response TechnologyYesYes
Intel® Turbo Boost Technology2.02.0
Processor ARK IDDiffers12496797464
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
Processor codeKnown for oneSR3LA
Battery2 differ
Battery technologyLithium-Ion (Li-Ion)Lithium-Ion (Li-Ion)
Number of battery cellsDiffers48
Battery capacityDiffers48 Wh88 Wh
Poweridentical
AC adapter powerKnown for one330 W
AC adapter frequency50 - 60 Hz50 - 60 Hz
DC-in jackYesYes
Securityidentical
Cable lock slotKnown for oneYes
Weight & dimensions4 differ
WeightDiffers3 kg8.5 kg
WidthDiffers423 mm568 mm
DepthDiffers289.9 mm314.5 mm
HeightDiffers28.2 mm83.3 mm
Height (front)Known for one6.88 cm
Height (rear)Known for one8.32 cm
Packaging contentidentical
AC adapter includedYesYes
ManualYesYes
Power cord 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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