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Product comparison · 2 laptops

Acer Predator 21 X GX21-71-74GK Intel® Core™ i7 i7-7820HK Laptop vs HP 640 G2 + 3 year NBD Onsite Hardware Support

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  • 130specifications compared
  • 56differ
  • 74identical
  • 52known for one product only

Key differences

  • Product colour
    • Black
    • Silver
  • Display diagonal
    • 53.3 cm (21")
    • 35.6 cm (14")
  • Display resolution
    • 2560 x 1080 pixels
    • 1920 x 1080 pixels
  • HD type
    • WFHD
    • Full HD
  • Native aspect ratio
    • 21:9
    • 16:9
  • Processor family
    • Intel® Core™ i7
    • Intel® Core™ i5
  • Processor generation
    • 7th gen Intel® Core™ i7
    • 6th gen Intel® Core™ i5
  • Processor model
    • i7-7820HK
    • i5-6200U

Side by side

Differences highlightedShow differences only
182 specifications
A

Acer

Predator 21 X GX21-71-74GK Intel® Core™ i7 i7-7820HK Laptop

Model GX21-71-74GK

View product
B

HP

640 G2 + 3 year NBD Onsite Hardware SupportView product
Design1 differ
Product colourDiffersBlackSilver
Market positioningKnown for oneGaming
Country of originKnown for oneChina
Display4 differ
Display diagonalDiffers53.3 cm (21")35.6 cm (14")
Display resolutionDiffers2560 x 1080 pixels1920 x 1080 pixels
HD typeDiffersWFHDFull HD
Panel typeKnown for oneIPS
Native aspect ratioDiffers21:916:9
Processor16 differ
Processor familyDiffersIntel® Core™ i7Intel® Core™ i5
Processor generationDiffers7th gen Intel® Core™ i76th gen Intel® Core™ i5
Processor modelDiffersi7-7820HKi5-6200U
Processor coresDiffers42
Processor threadsDiffers84
Processor boost frequencyDiffers3.9 GHz2.8 GHz
Processor frequencyDiffers2.9 GHz2.3 GHz
System bus rateDiffers8 GT/s4 GT/s
Processor cacheDiffers8 MB3 MB
Processor seriesDiffersIntel Core i7-7800 Mobile SeriesIntel Core i5-6200 series
Processor codenameDiffersKaby LakeSkylake
Bus typeDiffersDMI3QPI
Thermal Design Power (TDP)Differs45 W15 W
Configurable TDP-downDiffers35 W7.5 W
Maximum number of PCI Express lanesDiffers1612
PCI Express configurationsDiffers1x16, 1x8, 2x4, 2x81x4, 4x1
Processor socketKnown for oneLGA 1356 (Socket B2)
SteppingKnown for oneD1
Configurable TDP-up frequencyKnown for one2.4 GHz
Configurable TDP-upKnown for one25 W
Configurable TDP-down frequencyKnown for one0.8 GHz
Memory4 differ
Internal memoryDiffers64 GB8 GB
Memory form factorKnown for oneSO-DIMM
Memory layout (slots x size)Differs4 x 16 GB1 x 8 GB
Memory slotsDiffers4x SO-DIMM2x SO-DIMM
Maximum internal memoryDiffers64 GB16 GB
Memory clock speedKnown for one2133 MHz
Storage6 differ
Total storage capacityDiffers2 TB256 GB
Storage mediaDiffersHDD+SSDSSD
Number of HDDs installedKnown for one1
HDD capacityKnown for one1 TB
HDD interfaceKnown for oneSATA
HDD speedKnown for one7200 RPM
HDD sizeKnown for one2.5"
Number of SSDs installedDiffers21
SSD capacityDiffers512 GB256 GB
Optical drive typeDiffersNoDVD Super Multi DL
Compatible memory cardsDiffersSDSD, SDHC, SDXC
Total SSDs capacityKnown for one256 GB
SSD interfaceKnown for oneSATA
SSD form factorKnown for oneM.2
Graphics7 differ
Discrete graphics cardDiffersYesNo
Discrete graphics card modelDiffersNVIDIA® GeForce® GTX 1080Not available
Discrete graphics card memoryKnown for one16 GB
Discrete graphics memory typeKnown for oneGDDR5X
On-board graphics card modelDiffersIntel® HD Graphics 630Intel® HD Graphics 520
Maximum on-board graphics card memoryDiffers64 GB1.74 GB
On-board graphics card base frequencyDiffers350 MHz300 MHz
On-board graphics card dynamic frequency (max)Differs1100 MHz1000 MHz
On-board graphics card IDDiffers0x591B1916
Graphics card Open GL supportKnown for oneYes
Audio1 differ
Number of built-in speakersDiffers42
Audio decodersKnown for oneDTS Studio Sound
Cameraidentical
Front camera resolutionKnown for one1280 x 720 pixels
Network1 differ
Wi-Fi standardsDiffersWi-Fi 5 (802.11ac)802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Top Wi-Fi standardKnown for oneWi-Fi 5 (802.11ac)
Bluetooth versionKnown for one4.0
Ports & interfaces3 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers42
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
HDMI ports quantityDiffers10
VGA (D-Sub) ports quantityDiffers01
Thunderbolt 3 ports quantityKnown for one0
Docking connectorKnown for oneYes
Performanceidentical
Motherboard chipsetKnown for oneIntel® CM238
Keyboard1 differ
Keyboard backlitKnown for oneYes
Numeric keypadDiffersYesNo
Full-size keyboardKnown for oneYes
Windows keysKnown for oneYes
Spill-resistant keyboardKnown for oneYes
Software1 differ
Operating system installedDiffersWindows 10 HomeWindows 7 Professional
Recovery operating systemKnown for oneWindows 10 Pro
Processor special features4 differ
Intel HD GraphicsKnown for oneYes
Intel TSX-NIDiffersYesNo
Processor ARK IDDiffers9746488193
Processor package sizeDiffers42 x 28 mm42 X 24 mm
Supported instruction setsDiffersAVX 2.0, SSE4.1, SSE4.2SSE4.1, SSE4.2, AVX 2.0
Intel® Insider™Known for oneYes
Intel® Small Business Advantage (Intel® SBA)Known for oneYes
Processor codeKnown for oneSR2EY
Battery2 differ
Number of battery cellsDiffers83
Battery capacityDiffers88 Wh48 Wh
Power1 differ
AC adapter powerDiffers330 W45 W
AC adapter frequencyKnown for one50 - 60 Hz
Securityidentical
Cable lock slot typeKnown for oneKensington
Password protection typeKnown for oneBIOS, HDD, Supervisor, User
Fingerprint readerKnown for oneYes
Trusted Platform Module (TPM)Known for oneYes
Weight & dimensions4 differ
WeightDiffers8.5 kg1.95 kg
WidthDiffers568 mm340 mm
DepthDiffers314.5 mm237 mm
HeightDiffers83.3 mm27 mm
Height (front)Known for one6.88 cm
Height (rear)Known for one8.32 cm
Packaging contentidentical
AC adapter includedKnown for oneYes
Cables includedKnown for oneAC
ManualKnown for oneYes
Power cord includedKnown for oneYes
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Other featuresidentical
Intel segment taggingKnown for oneEnterprise

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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