Product comparison · 2 laptops

Acer Predator 21 X GX21-71-74DP Intel® Core™ i7 i7-7820HK Laptop vs Acer Aspire VX 15 VX5-591G-78RX Intel® Core™ i7 i7-7700HQ Laptop

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  • 150specifications compared
  • 37differ
  • 113identical
  • 20known for one product only

Key differences

  • Product colour
    • Predator 21 X GX21-71-74DP Intel® Core™ i7 i7-7820HK Laptop:Black
    • Aspire VX 15 VX5-591G-78RX Intel® Core™ i7 i7-7700HQ Laptop:Black, Red
  • Display diagonal
    • Predator 21 X GX21-71-74DP Intel® Core™ i7 i7-7820HK Laptop:53.3 cm (21")
    • Aspire VX 15 VX5-591G-78RX Intel® Core™ i7 i7-7700HQ Laptop:39.6 cm (15.6")
  • Display resolution
    • Predator 21 X GX21-71-74DP Intel® Core™ i7 i7-7820HK Laptop:2560 x 1080 pixels
    • Aspire VX 15 VX5-591G-78RX Intel® Core™ i7 i7-7700HQ Laptop:1920 x 1080 pixels
  • HD type
    • Predator 21 X GX21-71-74DP Intel® Core™ i7 i7-7820HK Laptop:WFHD
    • Aspire VX 15 VX5-591G-78RX Intel® Core™ i7 i7-7700HQ Laptop:Full HD
  • Native aspect ratio
    • Predator 21 X GX21-71-74DP Intel® Core™ i7 i7-7820HK Laptop:21:9
    • Aspire VX 15 VX5-591G-78RX Intel® Core™ i7 i7-7700HQ Laptop:16:9
  • Processor model
    • Predator 21 X GX21-71-74DP Intel® Core™ i7 i7-7820HK Laptop:i7-7820HK
    • Aspire VX 15 VX5-591G-78RX Intel® Core™ i7 i7-7700HQ Laptop:i7-7700HQ
  • Processor boost frequency
    • Predator 21 X GX21-71-74DP Intel® Core™ i7 i7-7820HK Laptop:3.9 GHz
    • Aspire VX 15 VX5-591G-78RX Intel® Core™ i7 i7-7700HQ Laptop:3.8 GHz
  • Processor frequency
    • Predator 21 X GX21-71-74DP Intel® Core™ i7 i7-7820HK Laptop:2.9 GHz
    • Aspire VX 15 VX5-591G-78RX Intel® Core™ i7 i7-7700HQ Laptop:2.8 GHz

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Comparison of GX21-71-74DP, VX5-591G-78RX
170 specifications
Design1 differ
Product typeLaptopLaptop
Product colourDiffersBlackBlack, Red
Form factorClamshellClamshell
Market positioningGamingGaming
Display4 differ
Display diagonalDiffers53.3 cm (21")39.6 cm (15.6")
Display resolutionDiffers2560 x 1080 pixels1920 x 1080 pixels
TouchscreenNoNo
HD typeDiffersWFHDFull HD
Panel typeIPSIPS
LED backlightYesYes
Native aspect ratioDiffers21:916:9
Processor5 differ
Processor manufacturerIntelIntel
Processor familyIntel® Core™ i7Intel® Core™ i7
Processor generation7th gen Intel® Core™ i77th gen Intel® Core™ i7
Processor modelDiffersi7-7820HKi7-7700HQ
Processor cores44
Processor threads88
Processor boost frequencyDiffers3.9 GHz3.8 GHz
Processor frequencyDiffers2.9 GHz2.8 GHz
System bus rate8 GT/s8 GT/s
Processor cacheDiffers8 MB6 MB
Processor cache typeSmart CacheSmart Cache
Processor socketKnown for oneUnknown — not stated by the sourceBGA 1440
Processor lithography14 nm14 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core i7-7800 Mobile SeriesIntel Core i7-7700 Mobile Series
Processor codenameKaby LakeKaby Lake
Bus typeDMI3DMI3
Thermal Design Power (TDP)45 W45 W
Configurable TDP-down35 W35 W
Tjunction100 °C100 °C
Maximum number of PCI Express lanes1616
PCI Express configurations1x16, 1x8, 2x4, 2x81x16, 1x8, 2x4, 2x8
PCI Express slots version3.03.0
ECC supported by processorNoNo
Memory3 differ
Internal memoryDiffers64 GB16 GB
Internal memory typeDDR4-SDRAMDDR4-SDRAM
Memory clock speedKnown for oneUnknown — not stated by the source2133 MHz
Memory layout (slots x size)Known for oneUnknown — not stated by the source1 x 16 GB
Memory slotsDiffers4x SO-DIMM2x SO-DIMM
Maximum internal memoryDiffers64 GB32 GB
Storage4 differ
Total storage capacityDiffers2 TB1.12 TB
Storage mediaHDD+SSDHDD+SSD
Number of HDDs installed11
HDD capacity1 TB1 TB
HDD interfaceSATASATA
HDD speedDiffers7200 RPM5400 RPM
HDD sizeKnown for oneUnknown — not stated by the source2.5"
Number of SSDs installedDiffers21
SSD capacityDiffers512 GB128 GB
Optical drive typeNoNo
Card reader integratedYesYes
Compatible memory cardsSDSD
Graphics3 differ
On-board graphics cardYesYes
Discrete graphics cardYesYes
Discrete graphics card modelDiffersNVIDIA® GeForce® GTX 1080NVIDIA® GeForce® GTX 1050
Discrete graphics card memoryDiffers8 GB4 GB
Discrete graphics memory typeDiffersGDDR5XGDDR5
On-board graphics card familyKnown for oneUnknown — not stated by the sourceIntel® HD Graphics
On-board graphics card modelIntel® HD Graphics 630Intel® HD Graphics 630
Maximum on-board graphics card memory64 GB64 GB
On-board graphics card base frequency350 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 ID0x591B0x591B
Number of discrete graphics cards installedKnown for one2Unknown — not stated by the source
NVIDIA G-SYNCKnown for oneYesUnknown — not stated by the source
Audio1 differ
Number of built-in speakersDiffers42
Built-in microphoneYesYes
Audio decodersKnown for oneUnknown — not stated by the sourceDolby Audio Premium
Cameraidentical
Front cameraYesYes
Front camera resolution (numeric)Known for oneUnknown — not stated by the source0.3 MP
Front camera resolution1280 x 720 pixels1280 x 720 pixels
Networkidentical
Wi-FiYesYes
Top Wi-Fi standardWi-Fi 5 (802.11ac)Wi-Fi 5 (802.11ac)
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
Bluetooth versionKnown for oneUnknown — not stated by the source4.0
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers01
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers42
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 quantityDiffers10
DVI portNoNo
VGA (D-Sub) ports quantity00
Thunderbolt ports quantity00
Thunderbolt 3 ports quantity00
Combo headphone/mic portYesYes
Docking connectorNoNo
Performance1 differ
Motherboard chipsetDiffersIntel® CM238Intel® HM175
Virtual Reality (VR) readyKnown for oneYesUnknown — not stated by the source
Keyboardidentical
Pointing deviceTouchpadTouchpad
Keyboard backlitYesYes
Numeric keypadYesYes
Island-style keyboardKnown for oneUnknown — not stated by the sourceYes
Full-size keyboardKnown for oneUnknown — not stated by the sourceYes
Windows keysYesYes
Softwareidentical
Operating system installedWindows 10 HomeWindows 10 Home
Operating system architecture64-bit64-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-NIDiffersYesNo
Intel TSX-NI versionDiffers1.000.00
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 CacheYesYes
Intel® Smart Response TechnologyYesYes
Intel® Turbo Boost Technology2.02.0
Processor ARK IDDiffers9746497185
Processor package size42 x 28 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
Intel HD GraphicsKnown for oneYesUnknown — not stated by the source
Battery2 differ
Battery technologyLithium-Ion (Li-Ion)Lithium-Ion (Li-Ion)
Number of battery cellsDiffers83
Battery capacityDiffers88 Wh52.5 Wh
Battery life (max)Known for oneUnknown — not stated by the source6 h
Power1 differ
AC adapter powerDiffers330 W135 W
AC adapter frequency50 - 60 Hz50 - 60 Hz
DC-in jackYesYes
Securityidentical
Cable lock slotYesYes
Cable lock slot typeKnown for oneUnknown — not stated by the sourceKensington
Password protectionKnown for oneUnknown — not stated by the sourceYes
Fingerprint readerKnown for oneNoUnknown — not stated by the source
Weight & dimensions6 differ
WeightDiffers8.5 kg2.5 kg
WidthDiffers568 mm389 mm
DepthDiffers314.5 mm265.5 mm
HeightDiffers83.3 mm28.9 mm
Height (front)Differs6.88 cm2.8 cm
Height (rear)Differs8.32 cm2.89 cm
Packaging contentidentical
AC adapter includedYesYes
ManualYesYes
Power cord includedYesYes
Cables includedKnown for oneACUnknown — not stated by the source
Other featuresidentical
3DKnown for oneNoUnknown — not stated by the source

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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