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Product comparison · 2 laptops

Acer Predator Helios 300 G3-572-51NC Intel® Core™ i5 i5-7300HQ Laptop vs Acer Predator 21 X GX21-71-75A9 Intel® Core™ i7 i7-7820HK Laptop

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  • 154specifications compared
  • 40differ
  • 114identical
  • 11known for one product only

Key differences

  • Display diagonal
    • 39.6 cm (15.6")
    • 53.3 cm (21")
  • Processor family
    • Intel® Core™ i5
    • Intel® Core™ i7
  • Processor generation
    • 7th gen Intel® Core™ i5
    • 7th gen Intel® Core™ i7
  • Processor model
    • i5-7300HQ
    • i7-7820HK
  • Processor threads
    • 4
    • 8
  • Processor boost frequency
    • 3.5 GHz
    • 3.9 GHz
  • Processor frequency
    • 2.5 GHz
    • 2.9 GHz
  • Processor cache
    • 6 MB
    • 8 MB

Side by side

Differences highlightedShow differences only
165 specifications
A

Acer

Predator Helios 300 G3-572-51NC Intel® Core™ i5 i5-7300HQ Laptop

Model G3-572-51NC

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B

Acer

Predator 21 X GX21-71-75A9 Intel® Core™ i7 i7-7820HK Laptop

Model GX21-71-75A9

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Display1 differ
Display diagonalDiffers39.6 cm (15.6")53.3 cm (21")
Processor9 differ
Processor familyDiffersIntel® Core™ i5Intel® Core™ i7
Processor generationDiffers7th gen Intel® Core™ i57th gen Intel® Core™ i7
Processor modelDiffersi5-7300HQi7-7820HK
Processor threadsDiffers48
Processor boost frequencyDiffers3.5 GHz3.9 GHz
Processor frequencyDiffers2.5 GHz2.9 GHz
Processor cacheDiffers6 MB8 MB
Processor seriesDiffersIntel Core i5-700 Desktop SeriesIntel Core i7-7800 Mobile Series
PCI Express configurationsDiffers1x16, 1x8+2x4, 2x81x16, 1x8, 2x4, 2x8
Processor cache typeKnown for oneSmart Cache
Memory3 differ
Internal memoryDiffers12 GB64 GB
Memory slotsDiffers2x SO-DIMM4x SO-DIMM
Maximum internal memoryDiffers32 GB64 GB
Storage5 differ
Total storage capacityDiffers1.12 TB2 TB
HDD speedDiffers5400 RPM7200 RPM
Number of SSDs installedDiffers12
SSD capacityDiffers128 GB512 GB
SSD interfaceKnown for oneSATA III
Compatible memory cardsDiffersSD, SDXCSD
Graphics4 differ
Discrete graphics card modelDiffersNVIDIA® GeForce® GTX 1060NVIDIA® GeForce® GTX 1080 SLI
Discrete graphics card memoryDiffers6 GB16 GB
Discrete graphics memory typeDiffersGDDR5GDDR5X
On-board graphics card dynamic frequency (max)Differs1000 MHz1100 MHz
Number of discrete graphics cards installedKnown for one1
NVIDIA G-SYNCKnown for oneYes
Audio1 differ
Number of built-in speakersDiffers24
Number of microphonesKnown for one2
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers20
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers14
DisplayPorts quantityDiffers01
Performanceidentical
Motherboard chipsetKnown for oneIntel® HM175
Processor special features4 differ
Intel TSX-NIDiffersNoYes
Intel TSX-NI versionDiffers0.001.00
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Processor ARK IDDiffers9745697464
Graphics & IMC lithographyKnown for one14 nm
Intel HD GraphicsKnown for oneYes
Intel® Smart CacheKnown for oneYes
Battery3 differ
Battery technologyDiffersLithium Polymer (LiPo)Lithium-Ion (Li-Ion)
Number of battery cellsDiffers48
Battery capacityDiffers48 Wh88 Wh
Battery life (max)Known for one9 h
Power1 differ
AC adapter powerDiffers180 W330 W
Securityidentical
Fingerprint readerKnown for oneNo
Weight & dimensions6 differ
WeightDiffers2.7 kg8.5 kg
WidthDiffers390 mm568 mm
DepthDiffers266 mm314.5 mm
HeightDiffers26.8 mm83.3 mm
Height (front)Differs2.67 cm6.88 cm
Height (rear)Differs2.67 cm8.32 cm

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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