Product comparison · 2 laptops

Acer PH317-51-779L+Helmet VR vs HP 640 G4 + STM Bag

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  • 128specifications compared
  • 48differ
  • 80identical
  • 49known for one product only

Key differences

The Acer PH317-51-779L+Helmet VR has 0.2 GHz more processor boost frequency than the HP 640 G4 + STM Bag (3.8 GHz vs 3.6 GHz). The Acer PH317-51-779L+Helmet VR has 1.1 GHz more processor frequency than the HP 640 G4 + STM Bag (2.8 GHz vs 1.7 GHz). The Acer PH317-51-779L+Helmet VR has 4 GT/s more system bus rate than the HP 640 G4 + STM Bag (8 GT/s vs 4 GT/s). Only the HP 640 G4 + STM Bag has card reader integrated. Only the Acer PH317-51-779L+Helmet VR has discrete graphics card.

  • Product colour
    • PH317-51-779L+Helmet VR:Black, Red
    • 640 G4 + STM Bag:Silver
  • Market positioning
    • PH317-51-779L+Helmet VR:Gaming
    • 640 G4 + STM Bag:Business
  • Display diagonal
    • PH317-51-779L+Helmet VR:43.9 cm (17.3")
    • 640 G4 + STM Bag:35.6 cm (14")
  • Processor family
    • PH317-51-779L+Helmet VR:Intel® Core™ i7
    • 640 G4 + STM Bag:Intel® Core™ i5
  • Processor generation
    • PH317-51-779L+Helmet VR:7th gen Intel® Core™ i7
    • 640 G4 + STM Bag:8th gen Intel® Core™ i5
  • Processor model
    • PH317-51-779L+Helmet VR:i7-7700HQ
    • 640 G4 + STM Bag:i5-8350U
  • Processor boost frequency
    • PH317-51-779L+Helmet VR:3.8 GHz
    • 640 G4 + STM Bag:3.6 GHz
  • Processor frequency
    • PH317-51-779L+Helmet VR:2.8 GHz
    • 640 G4 + STM Bag:1.7 GHz

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Comparison of PH317-51-779L+Helmet VR, 640 G4 + STM Bag
177 specifications
Design2 differ
Product typeLaptopLaptop
Product colourDiffersBlack, RedSilver
Form factorClamshellClamshell
Market positioningDiffersGamingBusiness
Country of originKnown for oneUnknown — not stated by the sourceChina
Display1 differ
Display diagonalDiffers43.9 cm (17.3")35.6 cm (14")
Display resolution1920 x 1080 pixels1920 x 1080 pixels
TouchscreenNoNo
HD typeFull HDFull HD
Panel typeIPSIPS
LED backlightYesYes
Native aspect ratio16:916:9
Dual-screenKnown for oneNoUnknown — not stated by the source
Processor12 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™ i7Intel® Core™ i5
Processor generationDiffers7th gen Intel® Core™ i78th gen Intel® Core™ i5
Processor modelDiffersi7-7700HQi5-8350U
Processor cores44
Processor threads88
Processor boost frequencyDiffers3.8 GHz3.6 GHz
Processor frequencyDiffers2.8 GHz1.7 GHz
System bus rateDiffers8 GT/s4 GT/s
Processor cache6 MB6 MB
Processor cache typeSmart CacheSmart Cache
Processor lithography14 nm14 nm
Processor operating modes64-bit64-bit
Processor seriesKnown for oneIntel Core i7-7700 Mobile SeriesUnknown — not stated by the source
Processor codenameDiffersKaby LakeKaby Lake R
Bus typeDiffersDMI3OPI
Thermal Design Power (TDP)Differs45 W15 W
Configurable TDP-downDiffers35 W10 W
Tjunction100 °C100 °C
Maximum number of PCI Express lanesDiffers1612
PCI Express configurationsDiffers1x16, 1x8, 2x4, 2x81x2+2x1, 1x4, 2x2, 4x1
PCI Express slots version3.03.0
ECC supported by processorNoNo
Processor socketKnown for oneUnknown — not stated by the sourceBGA 1356
SteppingKnown for oneUnknown — not stated by the sourceY0
Configurable TDP-up frequencyKnown for oneUnknown — not stated by the source1.9 GHz
Configurable TDP-upKnown for oneUnknown — not stated by the source25 W
Configurable TDP-down frequencyKnown for oneUnknown — not stated by the source0.8 GHz
Memory1 differ
Internal memoryDiffers16 GB8 GB
Internal memory typeDDR4-SDRAMDDR4-SDRAM
Memory slots2x SO-DIMM2x SO-DIMM
Maximum internal memory32 GB32 GB
Memory clock speedKnown for oneUnknown — not stated by the source2400 MHz
Memory form factorKnown for oneUnknown — not stated by the sourceSO-DIMM
Memory layout (slots x size)Known for oneUnknown — not stated by the source1 x 8 GB
Storage3 differ
Total storage capacityDiffers1.25 TB256 GB
Storage mediaDiffersHDD+SSDSSD
Number of HDDs installedKnown for one1Unknown — not stated by the source
HDD capacityKnown for one1 TBUnknown — not stated by the source
HDD interfaceKnown for oneSATAUnknown — not stated by the source
HDD speedKnown for one5400 RPMUnknown — not stated by the source
Number of SSDs installed11
SSD capacity256 GB256 GB
Optical drive typeNoNo
Card reader integratedDiffersNoYes
Total SSDs capacityKnown for oneUnknown — not stated by the source256 GB
NVMeKnown for oneUnknown — not stated by the sourceYes
SSD interfaceKnown for oneUnknown — not stated by the sourceNVMe 3.0, PCI Express
Compatible memory cardsKnown for oneUnknown — not stated by the sourceMicroSD (TransFlash)
Graphics7 differ
On-board graphics cardYesYes
Discrete graphics cardDiffersYesNo
Discrete graphics card modelDiffersNVIDIA® GeForce® GTX 1060Not available
Discrete graphics card memoryKnown for one6 GBUnknown — not stated by the source
Discrete graphics memory typeKnown for oneGDDR5Unknown — not stated by the source
On-board graphics card familyDiffersIntel® HD GraphicsIntel® UHD Graphics
On-board graphics card modelDiffersIntel® HD Graphics 630Intel® UHD Graphics 620
Maximum on-board graphics card memoryDiffers64 GB32 GB
On-board graphics card base frequencyDiffers350 MHz300 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 IDDiffers0x591B0x5917
Audioidentical
Number of built-in speakers22
Built-in microphoneYesYes
Cameraidentical
Front cameraYesYes
Front camera resolutionKnown for one1280 x 720 pixelsUnknown — not stated by the source
Front camera HD typeKnown for oneUnknown — not stated by the sourceHD
Front camera signal formatKnown for oneUnknown — not stated by the source720p
Networkidentical
Wi-FiYesYes
Top Wi-Fi standardWi-Fi 5 (802.11ac)Wi-Fi 5 (802.11ac)
Wi-Fi standards802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANYesYes
Ethernet LAN data rates10,100,1000 Mbit/s10,100,1000 Mbit/s
BluetoothYesYes
Antenna typeKnown for oneUnknown — not stated by the source2x2
WLAN controller modelKnown for oneUnknown — not stated by the sourceIntel Dual Band Wireless-AC 8265
Bluetooth versionKnown for oneUnknown — not stated by the source4.2
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers20
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers13
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 quantity00
DVI portKnown for oneNoUnknown — not stated by the source
VGA (D-Sub) ports quantityDiffers01
Thunderbolt ports quantityKnown for one0Unknown — not stated by the source
Thunderbolt 3 ports quantity00
Headphone outputsKnown for one1Unknown — not stated by the source
Combo headphone/mic portYesYes
Docking connectorDiffersNoYes
HDMI versionKnown for oneUnknown — not stated by the source1.4
Keyboard2 differ
Pointing deviceDiffersTouchpadClickpad
Keyboard backlitYesYes
Numeric keypadDiffersYesNo
Windows keysKnown for oneYesUnknown — not stated by the source
Spill-resistant keyboardKnown for oneUnknown — not stated by the sourceYes
Software1 differ
Operating system installedDiffersWindows 10 HomeWindows 10 Pro
Operating system architecture64-bit64-bit
Processor special features7 differ
Intel® Wireless Display (Intel® WiDi)Known for oneYesUnknown — not stated by the source
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithographyKnown for one14 nmUnknown — not stated by the source
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) versionKnown for one1.00Unknown — not stated by the source
Intel Smart Response Technology version1.001.00
Intel Software Guard Extensions (Intel SGX)YesYes
Intel Stable Image Platform Program (SIPP)DiffersNoYes
Intel Stable Image Platform Program (SIPP) versionDiffers0.001.00
Intel TSX-NIDiffersNoYes
Intel TSX-NI versionDiffers0.001.00
Intel Trusted Execution TechnologyDiffersNoYes
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 CacheKnown for oneYesUnknown — not stated by the source
Intel® Smart Response TechnologyYesYes
Intel® Turbo Boost Technology2.02.0
Processor ARK IDDiffers97185124969
Processor package sizeDiffers42 x 28 mm42 x 24 mm
Supported instruction setsAVX 2.0, SSE4.1, SSE4.2AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorYesYes
Processor codeKnown for oneUnknown — not stated by the sourceSR3L9
Battery3 differ
Battery technologyDiffersLithium Polymer (LiPo)Lithium-Ion (Li-Ion)
Number of battery cellsDiffers43
Battery capacity48 Wh48 Wh
Battery life (max)Differs7 h13.7 h
Power1 differ
AC adapter powerDiffers180 W45 W
AC adapter frequencyKnown for one50 - 60 HzUnknown — not stated by the source
AC adapter input voltageKnown for one100 - 240 VUnknown — not stated by the source
DC-in jackYesYes
Securityidentical
Fingerprint readerKnown for oneNoUnknown — not stated by the source
Cable lock slotKnown for oneUnknown — not stated by the sourceYes
Trusted Platform Module (TPM)Known for oneUnknown — not stated by the sourceYes
Weight & dimensions4 differ
WeightDiffers3 kg1.73 kg
WidthDiffers432.2 mm340 mm
DepthDiffers289.9 mm240 mm
HeightDiffers29 mm20.9 mm
Height (front)Known for one2.9 cmUnknown — not stated by the source
Height (rear)Known for one2.9 cmUnknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for oneYesUnknown — not stated by the source
ManualKnown for oneYesUnknown — not stated by the source
Power cord includedKnown for oneYesUnknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for oneUnknown — not stated by the sourceEPEAT Gold, ENERGY STAR

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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