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Product comparison · 2 laptops

Dell Precision M5520 Intel® Core™ i7 i7-7820HQ Mobile workstation vs Dell Precision m7720 Intel® Core™ i7 i7-7820HQ Mobile workstation

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  • 162specifications compared
  • 27differ
  • 135identical
  • 48known for one product only

Key differences

  • Product colour
    • Black, Silver
    • Black, Graphite
  • Display diagonal
    • 39.6 cm (15.6")
    • 43.9 cm (17.3")
  • Display resolution
    • 3840 x 2160 pixels
    • 1920 x 1080 pixels
  • Touchscreen
    • Yes
    • No
  • HD type
    • 4K Ultra HD
    • Full HD
  • Internal memory
    • 16 GB
    • 8 GB
  • Memory slots
    • 2x SO-DIMM
    • 4x SO-DIMM
  • Maximum internal memory
    • 32 GB
    • 64 GB

Side by side

Differences highlightedShow differences only
210 specifications
A

Dell

Precision M5520 Intel® Core™ i7 i7-7820HQ Mobile workstation

Model M5520

View product
B

Dell

Precision m7720 Intel® Core™ i7 i7-7820HQ Mobile workstation

Model m7720

View product
Design1 differ
Product colourDiffersBlack, SilverBlack, Graphite
Display4 differ
Display diagonalDiffers39.6 cm (15.6")43.9 cm (17.3")
Display resolutionDiffers3840 x 2160 pixels1920 x 1080 pixels
TouchscreenDiffersYesNo
HD typeDiffers4K Ultra HDFull HD
Panel typeKnown for oneIPS
Display surfaceKnown for oneMatt
Display brightnessKnown for one400 cd/m²
Dual-screenKnown for oneNo
Memory4 differ
Internal memoryDiffers16 GB8 GB
Memory clock speedKnown for one2400 MHz
Memory layout (slots x size)Known for one1 x 8 GB
Memory slotsDiffers2x SO-DIMM4x SO-DIMM
Maximum internal memoryDiffers32 GB64 GB
Maximum internal memory (64-bit)Differs32 GB64 GB
Storage2 differ
Total storage capacityDiffers512 GB500 GB
Storage mediaDiffersSSDHDD
Number of HDDs installedKnown for one1
HDD capacityKnown for one500 GB
HDD interfaceKnown for oneSATA
HDD speedKnown for one7200 RPM
HDD sizeKnown for one2.5"
Number of SSDs installedKnown for one1
SSD capacityKnown for one512 GB
Graphicsidentical
Graphics card Open GL supportKnown for oneYes
Audioidentical
Audio systemKnown for oneMaxxAudio Pro
Number of built-in speakersKnown for one2
Speakers manufacturerKnown for oneWaves
Cameraidentical
Front camera resolution (numeric)Known for one0.92 MP
Front camera resolutionKnown for one1280 x 720 pixels
Video capturing speedKnown for one30 fps
Network1 differ
Wi-Fi standardsKnown for oneWi-Fi 5 (802.11ac)
Ethernet LANDiffersNoYes
Ethernet LAN data ratesKnown for one10,100,1000 Mbit/s
Bluetooth versionKnown for one4.1
Ports & interfaces3 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers24
Micro-USB 2.0 ports quantityKnown for one0
Micro-USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one0
eSATA/USB 2.0 ports quantityKnown for one0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one0
eSATA ports quantityKnown for one0
Ethernet LAN (RJ-45) portsDiffers01
Mini DisplayPorts quantityKnown for one1
Firewire (IEEE 1394) portsKnown for one0
Thunderbolt 2 ports quantityKnown for one0
Headphone outputsKnown for one0
S/PDIF out portKnown for oneNo
Microphone inKnown for oneNo
USB Sleep-and-Charge portsDiffers21
HDMI versionKnown for one1.4
Thunderbolt™ 3 TechnologyKnown for oneYes
Performanceidentical
Motherboard chipsetKnown for oneIntel® CM238
Keyboard1 differ
Numeric keypadDiffersNoYes
Island-style keyboardKnown for oneYes
Keyboard backlitKnown for oneYes
Battery2 differ
Battery technologyDiffersLithium-Ion (Li-Ion)Lithium Polymer (LiPo)
Battery capacityDiffers97 Wh91 Wh
Battery life (max)Known for one13 h
Battery voltageKnown for one11.4 V
Power2 differ
AC adapter powerDiffers130 W240 W
AC adapter output currentDiffers6.67 A12.31 A
Securityidentical
Trusted Platform Module (TPM)Known for oneYes
Cable lock slot typeKnown for oneKensington
Operational conditions4 differ
Storage temperature (T-T)Differs-40 - 70 °C-40 - 65 °C
Storage relative humidity (H-H)Differs10 - 95%5 - 95%
Operating shockDiffers110 G140 G
Non-operating shockDiffers160 G163 G
Weight & dimensions3 differ
WeightDiffers1.78 kg3.42 kg
WidthDiffers357 mm417 mm
DepthDiffers235.3 mm281.4 mm
Height (front)Known for one2.85 cm
Height (rear)Known for one3.45 cm
HeightKnown for one11.1 mm
Other featuresidentical
3DKnown for oneNo
Intel segment taggingKnown for oneProfessional

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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