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Product comparison · 2 laptops

Acer Predator 15 G9-591-72L8 Intel® Core™ i7 i7-6700HQ Laptop vs Acer Predator 21 X GX21-71-76LZ Intel® Core™ i7 i7-7820HK Laptop

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  • 142specifications compared
  • 40differ
  • 102identical
  • 15known for one product only

Key differences

  • Product colour
    • Black, Red
    • Black
  • Display diagonal
    • 39.6 cm (15.6")
    • 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 generation
    • 6th gen Intel® Core™ i7
    • 7th gen Intel® Core™ i7
  • Processor model
    • i7-6700HQ
    • i7-7820HK
  • Processor boost frequency
    • 3.5 GHz
    • 3.9 GHz

Side by side

Differences highlightedShow differences only
157 specifications
A

Acer

Predator 15 G9-591-72L8 Intel® Core™ i7 i7-6700HQ Laptop

Model G9-591-72L8

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B

Acer

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

Model GX21-71-76LZ

View product
Design1 differ
Product typeLaptopLaptop
Product colourDiffersBlack, RedBlack
Form factorClamshellClamshell
Market positioningGamingGaming
Display4 differ
Display diagonalDiffers39.6 cm (15.6")53.3 cm (21")
Display resolutionDiffers1920 x 1080 pixels2560 x 1080 pixels
TouchscreenNoNo
HD typeDiffersFull HDWFHD
LED backlightYesYes
Native aspect ratioDiffers16:921:9
Panel typeKnown for oneIPS
Processor8 differ
Processor manufacturerIntelIntel
Processor familyIntel® Core™ i7Intel® Core™ i7
Processor generationDiffers6th gen Intel® Core™ i77th gen Intel® Core™ i7
Processor modelDiffersi7-6700HQi7-7820HK
Processor cores44
Processor threads88
Processor boost frequencyDiffers3.5 GHz3.9 GHz
Processor frequencyDiffers2.6 GHz2.9 GHz
System bus rate8 GT/s8 GT/s
Processor cacheDiffers6 MB8 MB
Processor cache typeSmart CacheSmart Cache
Processor socketKnown for oneBGA 1440
Processor lithography14 nm14 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core i7-6700 Mobile seriesIntel Core i7-7800 Mobile Series
Processor codenameDiffersSkylakeKaby Lake
Bus typeDMI3DMI3
SteppingKnown for oneR0
Thermal Design Power (TDP)45 W45 W
Configurable TDP-down35 W35 W
Tjunction100 °C100 °C
Maximum number of PCI Express lanes1616
PCI Express configurationsDiffers1x16, 2x8, 1x8+2x41x16, 1x8, 2x4, 2x8
PCI Express slots version3.03.0
ECC supported by processorNoNo
Memory1 differ
Internal memoryDiffers16 GB64 GB
Internal memory typeDDR4-SDRAMDDR4-SDRAM
Memory slots4x SO-DIMM4x SO-DIMM
Maximum internal memory64 GB64 GB
Storage4 differ
Total storage capacityDiffers1.12 TB2 TB
Storage mediaHDD+SSDHDD+SSD
Number of HDDs installed11
HDD capacity1 TB1 TB
HDD interfaceSATASATA
HDD speed5400 RPM5400 RPM
Number of SSDs installedDiffers12
SSD capacityDiffers128 GB512 GB
SSD interfaceKnown for oneSATA III
Optical drive typeDiffersDVD±RWNo
Card reader integratedYesYes
Compatible memory cardsSDSD
Graphics7 differ
On-board graphics cardYesYes
Discrete graphics cardYesYes
Discrete graphics card modelDiffersNVIDIA® GeForce® GTX 980NVIDIA® GeForce® GTX 1080 SLI
Discrete graphics card memoryDiffers4 GB16 GB
Discrete graphics memory typeDiffersGDDR5GDDR5X
On-board graphics card modelDiffersIntel® HD Graphics 530Intel® HD Graphics 630
Maximum on-board graphics card memoryDiffers1.7 GB64 GB
On-board graphics card base frequency350 MHz350 MHz
On-board graphics card dynamic frequency (max)Differs1050 MHz1100 MHz
On-board graphics card DirectX version12.012.0
On-board graphics card OpenGL version4.44.4
On-board graphics card IDDiffers0x191B0x591B
Audioidentical
Built-in microphoneYesYes
Number of built-in speakersKnown for one4
Cameraidentical
Front cameraYesYes
Front camera resolutionKnown for one1280 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
Ports & interfaces3 differ
USB 2.0 ports quantity00
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity44
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityDiffers01
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 quantityDiffers10
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DisplayPorts quantity11
DVI portNoNo
VGA (D-Sub) ports quantity00
Thunderbolt ports quantity00
Thunderbolt 2 ports quantityKnown for one0
Thunderbolt 3 ports quantityDiffers10
Combo headphone/mic portYesYes
Docking connectorNoNo
Keyboardidentical
Pointing deviceTouchpadTouchpad
Keyboard backlitYesYes
Numeric keypadYesYes
Windows keysYesYes
Software1 differ
Operating system installedDiffersLinuxWindows 10 Home
Operating system architectureKnown for one64-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 Flex Memory AccessYesYes
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-NIDiffersNoYes
Intel TSX-NI version1.001.00
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® Insider™Known for oneYes
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 oneYes
Intel® Smart Response TechnologyYesYes
Intel® Turbo Boost Technology2.02.0
Processor ARK IDDiffers8896797464
Processor codeKnown for oneSR2FQ
Processor package size42 x 28 mm42 x 28 mm
Supported instruction setsDiffersSSE4.1, SSE4.2, AVX 2.0AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorYesYes
Intel HD GraphicsKnown for oneYes
Intel® Smart CacheKnown for oneYes
Battery1 differ
Battery technologyLithium-Ion (Li-Ion)Lithium-Ion (Li-Ion)
Number of battery cells88
Battery capacityDiffers6000 mAh88 Wh
Power1 differ
AC adapter powerDiffers180 W330 W
AC adapter frequency50 - 60 Hz50 - 60 Hz
DC-in jackYesYes
Weight & dimensions6 differ
WeightDiffers3.4 kg8.5 kg
WidthDiffers391 mm568 mm
DepthDiffers299.5 mm314.5 mm
HeightDiffers38.5 mm83.3 mm
Height (front)Differs3.85 cm6.88 cm
Height (rear)Differs3.85 cm8.32 cm
Packaging contentidentical
AC adapter includedYesYes
ManualYesYes
Power cord includedYesYes
Other featuresidentical
3DKnown for oneNo
Securityidentical
Cable lock slotKnown for oneYes

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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