Product comparison · 2 laptops

Acer Aspire V Nitro VN7-791G-78V7 Intel® Core™ i7 i7-4720HQ Laptop vs Dell Inspiron 3157 Intel® Celeron® N3050 Hybrid (2-in-1)

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  • 125specifications compared
  • 62differ
  • 63identical
  • 72known for one product only

Key differences

  • Product type
    • Aspire V Nitro VN7-791G-78V7 Intel® Core™ i7 i7-4720HQ Laptop:Laptop
    • Inspiron 3157 Intel® Celeron® N3050 Hybrid (2-in-1):Hybrid (2-in-1)
  • Product colour
    • Aspire V Nitro VN7-791G-78V7 Intel® Core™ i7 i7-4720HQ Laptop:Black
    • Inspiron 3157 Intel® Celeron® N3050 Hybrid (2-in-1):Silver
  • Form factor
    • Aspire V Nitro VN7-791G-78V7 Intel® Core™ i7 i7-4720HQ Laptop:Clamshell
    • Inspiron 3157 Intel® Celeron® N3050 Hybrid (2-in-1):Convertible (Folder)
  • Display diagonal
    • Aspire V Nitro VN7-791G-78V7 Intel® Core™ i7 i7-4720HQ Laptop:43.9 cm (17.3")
    • Inspiron 3157 Intel® Celeron® N3050 Hybrid (2-in-1):29.5 cm (11.6")
  • Display resolution
    • Aspire V Nitro VN7-791G-78V7 Intel® Core™ i7 i7-4720HQ Laptop:1920 x 1080 pixels
    • Inspiron 3157 Intel® Celeron® N3050 Hybrid (2-in-1):1366 x 768 pixels
  • Touchscreen
    • Aspire V Nitro VN7-791G-78V7 Intel® Core™ i7 i7-4720HQ Laptop:No
    • Inspiron 3157 Intel® Celeron® N3050 Hybrid (2-in-1):Yes
  • Processor family
    • Aspire V Nitro VN7-791G-78V7 Intel® Core™ i7 i7-4720HQ Laptop:Intel® Core™ i7
    • Inspiron 3157 Intel® Celeron® N3050 Hybrid (2-in-1):Intel® Celeron®
  • Processor model
    • Aspire V Nitro VN7-791G-78V7 Intel® Core™ i7 i7-4720HQ Laptop:i7-4720HQ
    • Inspiron 3157 Intel® Celeron® N3050 Hybrid (2-in-1):N3050

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Differences highlightedShow differences only (off)
Comparison of VN7-791G-78V7, 3157
197 specifications
Design3 differ
Product typeDiffersLaptopHybrid (2-in-1)
Product colourDiffersBlackSilver
Form factorDiffersClamshellConvertible (Folder)
Market positioningKnown for oneUnknown — not stated by the sourceBusiness
Display3 differ
Display diagonalDiffers43.9 cm (17.3")29.5 cm (11.6")
Display resolutionDiffers1920 x 1080 pixels1366 x 768 pixels
TouchscreenDiffersNoYes
Touchscreen typeKnown for oneUnknown — not stated by the sourceCapacitive
Touch technologyKnown for oneUnknown — not stated by the sourceMulti-touch
Panel typeIPSIPS
LED backlightYesYes
Native aspect ratio16:916:9
Pixel pitchKnown for oneUnknown — not stated by the source0.1875 x 0.1875 mm
HD typeKnown for oneFull HDUnknown — not stated by the source
Processor17 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™ i7Intel® Celeron®
Processor modelDiffersi7-4720HQN3050
Processor coresDiffers42
Processor threadsDiffers82
Processor boost frequencyDiffers3.6 GHz2.16 GHz
Processor frequencyDiffers2.6 GHz1.6 GHz
System bus rate5 GT/s5 GT/s
Processor cacheDiffers6 MB2 MB
Processor cache typeDiffersL3L2
Processor socketDiffersBGA 1364BGA 1170
Processor lithographyDiffers22 nm14 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core i7-4700 Mobile seriesIntel Celeron N3000 series
Processor codenameDiffersHaswellBraswell
FSB ParityNoNo
SteppingC0C0
Thermal Design Power (TDP)Differs47 W6 W
Scenario Design Power (SDP)Known for oneUnknown — not stated by the source4 W
TjunctionDiffers100 °C90 °C
Maximum number of PCI Express lanesDiffers164
PCI Express configurationsDiffers1x16, 2x8, 1x8+2x41x4, 4x1
PCI Express slots versionDiffers3.02.0
ECC supported by processorNoNo
Processor generationKnown for one4th gen Intel® Core™ i7Unknown — not stated by the source
Bus typeKnown for oneDMI2Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers8 GB2 GB
Internal memory typeDDR3L-SDRAMDDR3L-SDRAM
Memory clock speedKnown for oneUnknown — not stated by the source1600 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 2 GB
Memory slotsDiffers2x SO-DIMM1x SO-DIMM
Maximum internal memoryDiffers16 GB4 GB
Maximum internal memory (64-bit)Known for oneUnknown — not stated by the source4 GB
Storage5 differ
Total storage capacityDiffers1 TB32 GB
Storage mediaDiffersHDD+FlashFlash
Flash memoryDiffers8 GB32 GB
Optical drive typeDiffersDVD-RWNo
Card reader integratedYesYes
Compatible memory cardsDiffersSDMMC, SD
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
Graphics6 differ
On-board graphics cardYesYes
Discrete graphics cardDiffersYesNo
Discrete graphics card modelDiffersNVIDIA® GeForce® GTX 960MNot available
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelDiffersIntel® HD Graphics 4600Intel® HD Graphics
Maximum on-board graphics card memoryDiffers1.74 GB8 GB
Number of execution unitsKnown for oneUnknown — not stated by the source12
On-board graphics card base frequencyDiffers400 MHz320 MHz
On-board graphics card burst frequencyKnown for oneUnknown — not stated by the source600 MHz
On-board graphics card DirectX versionDiffers11.2/12Yes
Discrete graphics card memoryKnown for one2 GBUnknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one1200 MHzUnknown — not stated by the source
On-board graphics card OpenGL versionKnown for one4.3Unknown — not stated by the source
On-board graphics card IDKnown for one0x416Unknown — not stated by the source
Audioidentical
Audio systemKnown for oneUnknown — not stated by the sourceMaxxAudio Pro
Number of built-in speakersKnown for oneUnknown — not stated by the source2
Speakers manufacturerKnown for oneUnknown — not stated by the sourceWaves
Speaker powerKnown for oneUnknown — not stated by the source2 W
Built-in microphoneYesYes
Cameraidentical
Front cameraYesYes
Front camera resolution (numeric)Known for oneUnknown — not stated by the source0.92 MP
Front camera resolutionKnown for oneUnknown — not stated by the source1280 x 720 pixels
Video capturing speedKnown for oneUnknown — not stated by the source30 fps
Optical driveidentical
LightScribeKnown for oneUnknown — not stated by the sourceNo
Network3 differ
Wi-FiYesYes
Wi-Fi standardsDiffersWi-Fi 5 (802.11ac)802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANDiffersYesNo
BluetoothDiffersNoYes
Bluetooth versionKnown for oneUnknown — not stated by the source4.0
Integrated 4G WiMAXKnown for oneUnknown — not stated by the sourceNo
Top Wi-Fi standardKnown for oneWi-Fi 5 (802.11ac)Unknown — not stated by the source
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/sUnknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantity22
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers21
Ethernet LAN (RJ-45) portsDiffers10
HDMI ports quantity11
DisplayPorts quantity00
DVI portNoNo
VGA (D-Sub) ports quantity00
Thunderbolt ports quantity00
Headphone outputs00
S/PDIF out portNoNo
Combo headphone/mic portYesYes
Microphone inNoNo
Docking connectorNoNo
ExpressCard slotNoNo
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
Total number of SATA connectorsKnown for oneUnknown — not stated by the source2
Number of SATA III connectorsKnown for oneUnknown — not stated by the source2
Keyboard1 differ
Pointing deviceTouchpadTouchpad
Numeric keypadDiffersYesNo
Island-style keyboardKnown for oneUnknown — not stated by the sourceYes
Spill-resistant keyboardKnown for oneUnknown — not stated by the sourceYes
Full-size keyboardKnown for oneUnknown — not stated by the sourceYes
Windows keysKnown for oneUnknown — not stated by the sourceYes
Keyboard layoutKnown for oneQWERTYUnknown — not stated by the source
Software1 differ
Operating system installedDiffersWindows 8.1Windows 10 Home
Operating system architecture64-bit64-bit
Processor special features11 differ
Intel® Wireless Display (Intel® WiDi)YesYes
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyDiffersNoYes
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyNoNo
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyDiffersYesNo
Intel Fast Memory AccessNoNo
Intel Flex Memory AccessNoNo
Intel Identity Protection Technology version1.001.00
Intel Rapid Storage TechnologyNoNo
Intel Secure BootKnown for oneUnknown — not stated by the sourceYes
Intel Secure Boot Technology versionKnown for oneUnknown — not stated by the source1.00
Intel Secure Key Technology version1.001.00
Intel Small Business Advantage (SBA) versionKnown for oneUnknown — not stated by the source0.00
Intel Smart Connect TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel Smart Connect Technology versionKnown for oneUnknown — not stated by the source0.00
Intel Smart Response Technology versionKnown for oneUnknown — not stated by the source0.00
Intel Stable Image Platform Program (SIPP)Known for oneUnknown — not stated by the sourceNo
Intel Stable Image Platform Program (SIPP) versionKnown for oneUnknown — not stated by the source0.00
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)DiffersYesNo
Intel® AES New Instructions (Intel® AES-NI)YesYes
Intel® Active Management Technology (Intel® AMT)Known for oneUnknown — not stated by the sourceNo
Intel® Anti-Theft Technology (Intel® AT)DiffersYesNo
Intel® Clear Video HD Technology (Intel® CVT HD)YesYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)DiffersNoYes
Intel® High Definition Audio (Intel® HD Audio)Known for oneUnknown — not stated by the sourceYes
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersYesNo
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® InTru™ 3D TechnologyDiffersYesNo
Intel® Insider™DiffersYesNo
Intel® Matrix Storage Technology (Intel® MST)Known for oneUnknown — not stated by the sourceNo
Intel® My WiFi Technology (Intel® MWT)NoNo
Intel® OS GuardKnown for oneUnknown — not stated by the sourceNo
Intel® Quick Sync Video TechnologyYesYes
Intel® Rapid Start TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel® Secure KeyYesYes
Intel® Small Business Advantage (Intel® SBA)Known for oneUnknown — not stated by the sourceNo
Intel® Smart Response TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel® Turbo Boost TechnologyNoNo
Intel® Virtualization Technology (Intel® VT)Known for oneUnknown — not stated by the sourceVT-x
Processor ARK IDDiffers7893487257
Processor codeDiffersSR1Q8SR29H
Processor package sizeDiffers37.5 x 32 x 1.6 mm25 x 27 mm
Thermal Monitoring TechnologiesYesYes
UARTKnown for oneUnknown — not stated by the sourceYes
Conflict-Free processorYesYes
Intel TSX-NIKnown for oneNoUnknown — not stated by the source
Intel TSX-NI versionKnown for one0.00Unknown — not stated by the source
Intel® Smart CacheKnown for oneYesUnknown — not stated by the source
Supported instruction setsKnown for oneAVX 2.0, SSE4.1, SSE4.2Unknown — not stated by the source
Battery1 differ
Battery technologyLithium-Ion (Li-Ion)Lithium-Ion (Li-Ion)
Number of battery cells33
Battery capacityDiffers4870 mAh43 Wh
Battery voltageKnown for oneUnknown — not stated by the source11.4 V
Battery recharge timeKnown for oneUnknown — not stated by the source4 h
Power1 differ
AC adapter powerDiffers135 W65 W
AC adapter frequencyKnown for oneUnknown — not stated by the source50 - 60 Hz
AC adapter input voltageKnown for oneUnknown — not stated by the source100 - 240 V
AC adapter output currentKnown for oneUnknown — not stated by the source3.34 A
AC adapter output voltageKnown for oneUnknown — not stated by the source19.5 V
DC-in jackYesYes
Security1 differ
Cable lock slotDiffersNoYes
Sustainabilityidentical
Sustainability certificatesKnown for oneUnknown — not stated by the sourceEPEAT Silver, ENERGY STAR
Weight & dimensions4 differ
WeightDiffers3 kg1.41 kg
WidthDiffers423 mm300 mm
DepthDiffers293 mm201 mm
HeightDiffers25.4 mm19 mm
Packaging contentidentical
AC adapter includedKnown for oneUnknown — not stated by the sourceYes
ManualKnown for oneUnknown — not stated by the sourceYes
Power cord includedKnown for oneUnknown — not stated by the sourceYes
Other featuresidentical
Intel segment taggingKnown for oneUnknown — not stated by the sourceHome office

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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