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Product comparison · 2 laptops

Acer Predator 21 X GX21-71-76LZ Intel® Core™ i7 i7-7820HK Laptop vs GIGABYTE P56X V7-KL4K3

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  • 134specifications compared
  • 33differ
  • 101identical
  • 32known for one product only

Key differences

  • Display diagonal
    • 53.3 cm (21")
    • 39.6 cm (15.6")
  • Display resolution
    • 2560 x 1080 pixels
    • 3840 x 2160 pixels
  • HD type
    • WFHD
    • 4K Ultra HD
  • Native aspect ratio
    • 21:9
    • 16:9
  • Processor model
    • i7-7820HK
    • i7-7700HQ
  • Processor boost frequency
    • 3.9 GHz
    • 3.8 GHz
  • Processor frequency
    • 2.9 GHz
    • 2.8 GHz
  • Processor cache
    • 8 MB
    • 6 MB

Side by side

Differences highlightedShow differences only
166 specifications
A

Acer

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

Model GX21-71-76LZ

View product
B

GIGABYTE

P56X V7-KL4K3View product
Display4 differ
Display diagonalDiffers53.3 cm (21")39.6 cm (15.6")
Display resolutionDiffers2560 x 1080 pixels3840 x 2160 pixels
HD typeDiffersWFHD4K Ultra HD
Native aspect ratioDiffers21:916:9
Dual-screenKnown for oneNo
Processor5 differ
Processor modelDiffersi7-7820HKi7-7700HQ
Processor boost frequencyDiffers3.9 GHz3.8 GHz
Processor frequencyDiffers2.9 GHz2.8 GHz
Processor cacheDiffers8 MB6 MB
Processor seriesDiffersIntel Core i7-7800 Mobile SeriesIntel Core i7-7700 Mobile Series
Memory3 differ
Internal memoryDiffers64 GB16 GB
Memory clock speedKnown for one2400 MHz
Memory form factorKnown for oneSO-DIMM
Memory slotsDiffers4x SO-DIMM2x SO-DIMM
Maximum internal memoryDiffers64 GB32 GB
Storage3 differ
Total storage capacityDiffers2 TB1.25 TB
SSD capacityDiffers512 GB256 GB
Optical drive typeDiffersNoDVD Super Multi
HDD interfaceKnown for oneSATA
HDD speedKnown for one5400 RPM
Number of SSDs installedKnown for one2
Graphics3 differ
Discrete graphics card modelDiffersNVIDIA® GeForce® GTX 1080 SLINVIDIA® GeForce® GTX 1070
Discrete graphics card memoryDiffers16 GB8 GB
Discrete graphics memory typeDiffersGDDR5XGDDR5
CUDAKnown for oneYes
NVIDIA G-SYNCKnown for oneYes
NVIDIA GameWorks VRKnown for oneYes
Audio1 differ
Number of built-in speakersDiffers42
Speaker powerKnown for one4 W
Cameraidentical
Front camera resolutionKnown for one1280 x 720 pixels
Optical driveidentical
LightScribeKnown for oneNo
Networkidentical
Bluetooth Low Energy (BLE)Known for oneYes
Bluetooth versionKnown for one4.2
Ports & interfaces4 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers43
HDMI versionKnown for one2.0
DisplayPorts quantityDiffers10
Mini DisplayPorts quantityKnown for one1
VGA (D-Sub) ports quantityDiffers01
Thunderbolt 3 ports quantityDiffers01
Headphone outputsKnown for one1
Microphone inKnown for oneYes
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one1
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one0
Combo headphone/mic portKnown for oneYes
Performanceidentical
Motherboard chipsetKnown for oneIntel® HM175
Processor special features3 differ
Intel TSX-NIDiffersYesNo
Intel TSX-NI versionDiffers1.000.00
Processor ARK IDDiffers9746497185
Intel HD GraphicsKnown for oneYes
Battery2 differ
Battery technologyDiffersLithium-Ion (Li-Ion)Lithium Polymer (LiPo)
Battery capacityDiffers88 Wh91 Wh
Number of battery cellsKnown for one8
Power1 differ
AC adapter powerDiffers330 W200 W
AC adapter frequencyKnown for one50 - 60 Hz
Securityidentical
Cable lock slot typeKnown for oneKensington
Weight & dimensions4 differ
WeightDiffers8.5 kg2.6 kg
WidthDiffers568 mm382.8 mm
DepthDiffers314.5 mm270 mm
HeightDiffers83.3 mm30 mm
Height (front)Known for one6.88 cm
Height (rear)Known for one8.32 cm
Packaging contentidentical
ManualKnown for oneYes
Power cord includedKnown for oneYes
Other featuresidentical
3DKnown for oneNo

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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