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Product comparison · 2 laptops

ASUS X550JX-DM257T laptop Intel® Core™ i7 i7-4720HQ vs Dynabook Z20t-C-12G Intel® Core™ m5 m5-6Y54 Ultrabook

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  • 114specifications compared
  • 60differ
  • 54identical
  • 81known for one product only

Key differences

  • Product type
    • Laptop
    • Ultrabook
  • Product colour
    • Grey
    • Black, Graphite
  • Form factor
    • Clamshell
    • Convertible (Detachable)
  • Display diagonal
    • 39.6 cm (15.6")
    • 31.8 cm (12.5")
  • Touchscreen
    • No
    • Yes
  • Processor family
    • Intel® Core™ i7
    • Intel® Core™ m5
  • Processor generation
    • 4th gen Intel® Core™ i7
    • 6th gen Intel® Core™ m5
  • Processor model
    • i7-4720HQ
    • m5-6Y54

Side by side

Differences highlightedShow differences only
195 specifications
A

ASUS

X550JX-DM257T laptop Intel® Core™ i7 i7-4720HQ

Model X550JX-DM257T

View product
B

Dynabook

Z20t-C-12G Intel® Core™ m5 m5-6Y54 Ultrabook

Model Z20t-C-12G

View product
Design3 differ
Product typeDiffersLaptopUltrabook
Product colourDiffersGreyBlack, Graphite
Form factorDiffersClamshellConvertible (Detachable)
Display2 differ
Display diagonalDiffers39.6 cm (15.6")31.8 cm (12.5")
TouchscreenDiffersNoYes
Touchscreen typeKnown for oneCapacitive
Touch technologyKnown for oneMulti-touch
Panel typeKnown for oneIPS
Processor19 differ
Processor familyDiffersIntel® Core™ i7Intel® Core™ m5
Processor generationDiffers4th gen Intel® Core™ i76th gen Intel® Core™ m5
Processor modelDiffersi7-4720HQm5-6Y54
Processor coresDiffers42
Processor threadsDiffers84
Processor boost frequencyDiffers3.6 GHz2.7 GHz
Processor frequencyDiffers2.6 GHz1.1 GHz
Processor cacheDiffers6 MB4 MB
Processor cache typeDiffersL3Smart Cache
Processor socketDiffersBGA 1364BGA 1515
Processor lithographyDiffers22 nm14 nm
Processor operating modesDiffers64-bit32-bit, 64-bit
Processor seriesDiffersIntel Core i7-4700 Mobile seriesIntel Core m5-6Y Series
Processor codenameDiffersHaswellSkylake
Bus typeDiffersDMI2OPI
FSB ParityKnown for oneNo
SteppingDiffersC0D1
Thermal Design Power (TDP)Differs47 W4.5 W
Configurable TDP-upKnown for one7 W
Configurable TDP-downKnown for one3.5 W
Maximum number of PCI Express lanesDiffers1610
PCI Express configurationsDiffers1x16, 2x8, 1x8+2x41x2+2x1, 2x2, 1x4, 4x1
System bus rateKnown for one5 GT/s
Memory2 differ
Internal memory typeDiffersDDR3-SDRAMLPDDR3L-SDRAM
Memory clock speedDiffers1600 MHz1800 MHz
Memory form factorKnown for oneOn-board
Maximum internal memoryKnown for one8 GB
Storage3 differ
Total storage capacityDiffers256 GB128 GB
SSD capacityDiffers256 GB128 GB
Optical drive typeKnown for oneNo
Compatible memory cardsDiffersSD, SDHC, SDXCMicroSD (TransFlash)
HDD sizeKnown for one2.5"
Graphics8 differ
Discrete graphics cardDiffersYesNo
Discrete graphics card modelDiffersNVIDIA® GeForce® GTX 950MNot available
On-board GPU manufacturerKnown for oneIntel
On-board graphics card familyKnown for oneIntel® HD Graphics
On-board graphics card modelDiffersIntel® HD Graphics 4600Intel® HD Graphics 515
On-board graphics card memoryKnown for one16 GB
On-board graphics card base frequencyDiffers400 MHz300 MHz
On-board graphics card burst frequencyKnown for one900 MHz
On-board graphics card dynamic frequency (max)Differs1200 MHz900 MHz
On-board graphics card DirectX versionDiffers11.2/1212.0
On-board graphics card OpenGL versionDiffers4.34.4
On-board graphics card IDDiffers0x4160x191E
Audio1 differ
Audio systemDiffersSonicMasterDTS Studio Sound
Cameraidentical
Front camera resolutionKnown for one1920 x 1080 pixels
Auto focusKnown for oneYes
Rear cameraKnown for oneYes
Rear camera resolution (numeric)Known for one5 MP
Network2 differ
Mobile network connectionKnown for oneYes
Mobile network generationKnown for one4G
3G standardsKnown for oneHSPA+
4G standardKnown for oneLTE
Top Wi-Fi standardKnown for oneWi-Fi 5 (802.11ac)
Wi-Fi standardsDiffers802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN data ratesDiffers10,1000,100 Mbit/s10,100,1000 Mbit/s
BluetoothKnown for oneYes
Bluetooth Low Energy (BLE)Known for oneYes
Bluetooth versionKnown for one4.0
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers10
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one1
DVI portKnown for oneNo
Micro HDMI ports quantityKnown for one1
Headphone outputsKnown for one1
Microphone inKnown for oneYes
Performanceidentical
AccelerometerKnown for oneYes
Electronic compassKnown for oneYes
GPS (satellite)Known for oneYes
Orientation sensorKnown for oneYes
Keyboard2 differ
Pointing deviceDiffersTouchpadClickpad
Numeric keypadDiffersYesNo
Keyboard number of keysKnown for one87
Software1 differ
Operating system installedDiffersWindows 10 HomeWindows 10 Pro
Operating system architectureKnown for one64-bit
Drivers includedKnown for oneYes
Trial softwareKnown for oneMcAfee LiveSafe, Microsoft Office
Bundled softwareKnown for oneDTS Studio Sound, Microsoft Office 365 customers, TOSHIBA Eco Utility, TOSHIBA PC Health Monitor
Processor special features8 differ
Graphics & IMC lithographyKnown for one14 nm
Intel Clear Video TechnologyKnown for oneYes
Intel Demand Based SwitchingKnown for oneNo
Intel Dual Display Capable TechnologyKnown for oneNo
Intel FDI TechnologyDiffersYesNo
Intel Fast Memory AccessKnown for oneNo
Intel Flex Memory AccessKnown for oneYes
Intel Rapid Storage TechnologyKnown for oneNo
Intel Small Business Advantage (SBA) versionKnown for one1.00
Intel Smart Response Technology versionKnown for one1.00
Intel Software Guard Extensions (Intel SGX)Known for oneYes
Intel Stable Image Platform Program (SIPP)Known for oneNo
Intel Stable Image Platform Program (SIPP) versionKnown for one0.00
Intel TSX-NI versionDiffers0.001.00
Intel® Anti-Theft Technology (Intel® AT)DiffersYesNo
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for oneYes
Intel® My WiFi Technology (Intel® MWT)Known for oneYes
Intel® OS GuardKnown for oneYes
Intel® Small Business Advantage (Intel® SBA)Known for oneYes
Intel® Smart Response TechnologyKnown for oneYes
Intel® Turbo Boost TechnologyDiffersNo2.0
Processor ARK IDDiffers7893488202
Processor codeDiffersSR1Q8SR2EM
Processor package sizeDiffers37.5 x 32 x 1.6 mm20 X 16.5 mm
Supported instruction setsDiffersAVX 2.0, SSE4.1, SSE4.2SSE4.1, SSE4.2, AVX 2.0
Intel Identity Protection Technology versionKnown for one1.00
Intel® Identity Protection Technology (Intel® IPT)Known for oneYes
Battery1 differ
Battery technologyKnown for oneLithium Polymer (LiPo)
Number of battery cellsDiffers43
Battery life (max)Known for one19 h
Battery life (tablet mode)Known for one9.5 h
Battery capacityKnown for one44 Wh
Power1 differ
AC adapter output currentDiffers3.42 A2.37 A
AC adapter powerKnown for one120 W
AC adapter frequencyKnown for one50 - 60 Hz
Security1 differ
Fingerprint readerKnown for oneYes
Trusted Platform Module (TPM)Known for oneYes
Password protection typeDiffersBIOS, UserHDD, Supervisor
Password protectionKnown for oneYes
Certificatesidentical
Wi-Fi certifiedKnown for oneYes
Sustainabilityidentical
Sustainability certificatesKnown for oneENERGY STAR
Weight & dimensions5 differ
WeightDiffers2.45 kg1.51 kg
WidthDiffers380 mm309 mm
DepthDiffers251 mm215.2 mm
Height (front)Differs2.92 cm1.85 cm
Height (rear)Differs3.17 cm2.1 cm
Weight (tablet mode)Known for one730 g
Width (tablet mode)Known for one30.9 cm
Depth (tablet mode)Known for one20 cm
Height (tablet mode)Known for one9.9 mm
Packaging contentidentical
AC adapter includedKnown for oneYes
Stylus penKnown for oneYes
ManualKnown for oneYes
Power cord includedKnown for oneYes
Quick start guideKnown for oneYes
Warranty cardKnown 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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