Product comparison · 2 laptops

Dell Precision M7520 Intel® Core™ i7 i7-6820HQ Mobile workstation vs Dell Precision m7720 Intel® Core™ i7 i7-7820HQ Mobile workstation

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  • 164specifications compared
  • 37differ
  • 127identical
  • 46known for one product only

Key differences

  • Product colour
    • Precision M7520 Intel® Core™ i7 i7-6820HQ Mobile workstation:Black
    • Precision m7720 Intel® Core™ i7 i7-7820HQ Mobile workstation:Black, Graphite
  • Display diagonal
    • Precision M7520 Intel® Core™ i7 i7-6820HQ Mobile workstation:39.6 cm (15.6")
    • Precision m7720 Intel® Core™ i7 i7-7820HQ Mobile workstation:43.9 cm (17.3")
  • Processor generation
    • Precision M7520 Intel® Core™ i7 i7-6820HQ Mobile workstation:6th gen Intel® Core™ i7
    • Precision m7720 Intel® Core™ i7 i7-7820HQ Mobile workstation:7th gen Intel® Core™ i7
  • Processor model
    • Precision M7520 Intel® Core™ i7 i7-6820HQ Mobile workstation:i7-6820HQ
    • Precision m7720 Intel® Core™ i7 i7-7820HQ Mobile workstation:i7-7820HQ
  • Processor boost frequency
    • Precision M7520 Intel® Core™ i7 i7-6820HQ Mobile workstation:3.6 GHz
    • Precision m7720 Intel® Core™ i7 i7-7820HQ Mobile workstation:3.9 GHz
  • Processor frequency
    • Precision M7520 Intel® Core™ i7 i7-6820HQ Mobile workstation:2.7 GHz
    • Precision m7720 Intel® Core™ i7 i7-7820HQ Mobile workstation:2.9 GHz
  • Processor codename
    • Precision M7520 Intel® Core™ i7 i7-6820HQ Mobile workstation:Skylake
    • Precision m7720 Intel® Core™ i7 i7-7820HQ Mobile workstation:Kaby Lake
  • PCI Express configurations
    • Precision M7520 Intel® Core™ i7 i7-6820HQ Mobile workstation:1x16, 2x8, 1x8+2x4
    • Precision m7720 Intel® Core™ i7 i7-7820HQ Mobile workstation:1x16, 1x8, 2x4, 2x8

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Comparison of M7520, m7720
210 specifications
Design1 differ
Product typeMobile workstationMobile workstation
Product colourDiffersBlackBlack, Graphite
Form factorClamshellClamshell
Display1 differ
Display diagonalDiffers39.6 cm (15.6")43.9 cm (17.3")
Display resolution1920 x 1080 pixels1920 x 1080 pixels
TouchscreenNoNo
HD typeFull HDFull HD
Panel typeIPSIPS
LED backlightYesYes
Native aspect ratio16:916:9
Display surfaceKnown for oneUnknown — not stated by the sourceMatt
Display brightnessKnown for one220 cd/m²Unknown — not stated by the source
Processor7 differ
Processor manufacturerIntelIntel
Processor familyIntel® Core™ i7Intel® Core™ i7
Processor generationDiffers6th gen Intel® Core™ i77th gen Intel® Core™ i7
Processor modelDiffersi7-6820HQi7-7820HQ
Processor cores44
Processor threads88
Processor boost frequencyDiffers3.6 GHz3.9 GHz
Processor frequencyDiffers2.7 GHz2.9 GHz
Processor cache8 MB8 MB
Processor cache typeSmart CacheSmart Cache
Processor lithography14 nm14 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core i7-6800 Mobile SeriesIntel Core i7-7800 Mobile Series
Processor codenameDiffersSkylakeKaby 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 configurationsDiffers1x16, 2x8, 1x8+2x41x16, 1x8, 2x4, 2x8
PCI Express slots version3.03.0
ECC supported by processorNoNo
System bus rateKnown for one8 GT/sUnknown — not stated by the source
Processor socketKnown for oneBGA 1440Unknown — not stated by the source
SteppingKnown for oneR0Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers16 GB8 GB
Internal memory typeDDR4-SDRAMDDR4-SDRAM
Memory clock speed2400 MHz2400 MHz
Memory form factorSO-DIMMSO-DIMM
Memory layout (slots x size)Known for oneUnknown — not stated by the source1 x 8 GB
Memory slots4x SO-DIMM4x SO-DIMM
Maximum internal memory64 GB64 GB
Maximum internal memory (64-bit)64 GB64 GB
Storage2 differ
Total storage capacityDiffers512 GB500 GB
Storage mediaDiffersSSDHDD
Number of HDDs installedKnown for oneUnknown — not stated by the source1
HDD capacityKnown for oneUnknown — not stated by the source500 GB
HDD interfaceKnown for oneUnknown — not stated by the sourceSATA
HDD speedKnown for oneUnknown — not stated by the source7200 RPM
HDD sizeKnown for oneUnknown — not stated by the source2.5"
Optical drive typeNoNo
Card reader integratedYesYes
Compatible memory cardsSD, SDHC, SDXCSD, SDHC, SDXC
Number of SSDs installedKnown for one1Unknown — not stated by the source
SSD capacityKnown for one512 GBUnknown — not stated by the source
Graphics5 differ
On-board graphics cardYesYes
Discrete graphics cardYesYes
Discrete graphics card modelDiffersAMD Radeon Pro WX 4150NVIDIA® Quadro® M1200
Discrete graphics card memoryKnown for oneUnknown — not stated by the source4 GB
Discrete graphics memory typeKnown for oneUnknown — not stated by the sourceGDDR5
On-board graphics card modelDiffersIntel® HD Graphics 530Intel® HD Graphics 630
Maximum on-board graphics card memoryDiffers1.7 GB64 GB
On-board graphics card base frequency350 MHz350 MHz
On-board graphics card dynamic frequency (max)Differs1050 MHz1100 MHz
On-board graphics card DirectX version12.012.0
On-board graphics card OpenGL version4.44.4
On-board graphics card IDDiffers0x191B0x591B
Number of discrete graphics cards installed11
Number of discrete graphics cards supportedKnown for oneUnknown — not stated by the source1
Graphics card Open GL supportKnown for oneUnknown — not stated by the sourceYes
CUDAKnown for oneUnknown — not stated by the sourceYes
CUDA coresKnown for oneUnknown — not stated by the source640
NVIDIA G-SYNCKnown for oneUnknown — not stated by the sourceNo
NVIDIA GameWorks VRKnown for oneUnknown — not stated by the sourceNo
Audioidentical
Audio systemMaxxAudio ProMaxxAudio Pro
Number of built-in speakersKnown for oneUnknown — not stated by the source2
Speakers manufacturerWavesWaves
Built-in microphoneYesYes
Built-in subwooferKnown for oneYesUnknown — not stated by the source
Cameraidentical
Front cameraYesYes
Optical driveidentical
LightScribeKnown for oneUnknown — not stated by the sourceNo
Network1 differ
Wi-FiYesYes
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 versionDiffers4.24.1
Top Wi-Fi standardKnown for oneWi-Fi 5 (802.11ac)Unknown — not stated by the source
Ports & interfaces4 differ
USB 2.0 ports quantity00
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity44
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityDiffers10
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
Micro-USB 2.0 ports quantityKnown for oneUnknown — not stated by the source0
Micro-USB 3.2 Gen 1 (3.1 Gen 1) ports quantity00
eSATA/USB 2.0 ports quantityKnown for oneUnknown — not stated by the source0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for oneUnknown — not stated by the source0
eSATA ports quantity00
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
DisplayPorts quantity00
Mini DisplayPorts quantity11
DVI portNoNo
VGA (D-Sub) ports quantity00
Firewire (IEEE 1394) ports00
Thunderbolt ports quantity00
Thunderbolt 2 ports quantity00
Thunderbolt 3 ports quantityDiffers01
Headphone outputs00
S/PDIF out portKnown for oneUnknown — not stated by the sourceNo
Combo headphone/mic portYesYes
Microphone inKnown for oneUnknown — not stated by the sourceNo
Docking connectorDiffersYesNo
USB Sleep-and-ChargeYesYes
USB Sleep-and-Charge portsDiffers41
SmartCard slotKnown for oneYesUnknown — not stated by the source
Performanceidentical
Motherboard chipsetIntel® CM238Intel® CM238
Keyboardidentical
Pointing deviceTouchpadTouchpad
Numeric keypadYesYes
Island-style keyboardYesYes
Full-size keyboardYesYes
Windows keysYesYes
Software1 differ
Operating system installedDiffersWindows 7 ProfessionalWindows 10 Pro
Operating system architecture64-bit64-bit
Drivers includedYesYes
Optional operating system suppliedKnown for oneWindows 10 ProUnknown — not stated by the source
Processor special features2 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 HD GraphicsKnown for oneUnknown — not stated by the sourceYes
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)YesYes
Intel Stable Image Platform Program (SIPP) version1.001.00
Intel TSX-NIYesYes
Intel TSX-NI version1.001.00
Intel Trusted Execution TechnologyYesYes
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 oneUnknown — not stated by the sourceYes
Intel® Smart Response TechnologyYesYes
Intel® Turbo Boost Technology2.02.0
Processor ARK IDDiffers8897097496
Processor package size42 x 28 mm42 x 28 mm
Supported instruction setsDiffersSSE4.1, SSE4.2, AVX 2.0AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorYesYes
Intel® Insider™Known for oneYesUnknown — not stated by the source
Intel® Small Business Advantage (Intel® SBA)Known for oneYesUnknown — not stated by the source
Processor codeKnown for oneSR2FUUnknown — not stated by the source
Battery2 differ
Battery technologyDiffersLithium-Ion (Li-Ion)Lithium Polymer (LiPo)
Number of battery cells66
Battery capacityDiffers72 Wh91 Wh
Battery life (max)Known for oneUnknown — not stated by the source13 h
Power2 differ
AC adapter powerDiffers180 W240 W
AC adapter frequency50 - 60 Hz50 - 60 Hz
AC adapter input voltage100 - 240 V100 - 240 V
AC adapter output currentDiffers9.23 A12.31 A
AC adapter output voltage19.5 V19.5 V
DC-in jackYesYes
Securityidentical
Cable lock slotYesYes
Trusted Platform Module (TPM)Known for oneUnknown — not stated by the sourceYes
Password protectionYesYes
Operational conditions3 differ
Operating temperature (T-T)Differs0 - 35 °C0 - 40 °C
Storage temperature (T-T)-40 - 65 °C-40 - 65 °C
Operating relative humidity (H-H)10 - 90%10 - 90%
Storage relative humidity (H-H)5 - 95%5 - 95%
Operating altitudeDiffers0 - 3048 m-15.2 - 3048 m
Non-operating altitudeDiffers0 - 10668 m-15.2 - 10668 m
Operating shockKnown for oneUnknown — not stated by the source140 G
Non-operating shockKnown for oneUnknown — not stated by the source163 G
Operating vibrationKnown for oneUnknown — not stated by the source0.66 G
Non-operating vibrationKnown for oneUnknown — not stated by the source1.3 G
Sustainabilityidentical
Sustainability certificatesENERGY STARENERGY STAR
Weight & dimensions5 differ
WeightDiffers2.8 kg3.42 kg
WidthDiffers378 mm417 mm
DepthDiffers261 mm281.4 mm
Height (front)Differs2.78 cm2.85 cm
Height (rear)Differs3.3 cm3.45 cm
Packaging contentidentical
AC adapter includedYesYes
ManualYesYes
Power cord includedYesYes
Quick start guideYesYes
Warranty cardKnown for oneUnknown — not stated by the sourceYes
Other featuresidentical
3DKnown for oneUnknown — not stated by the sourceNo
Intel segment taggingKnown for oneUnknown — not stated by the sourceProfessional

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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