Product comparison · 2 laptops

Dell Inspiron 3721-9888 laptop Intel® Core™ i3 i3-3227U vs Dell Inspiron 5721 Intel® Core™ i7 i7-3537U Laptop

Add a product
  • 148specifications compared
  • 32differ
  • 116identical
  • 33known for one product only

Key differences

  • Product colour
    • Inspiron 3721-9888 laptop Intel® Core™ i3 i3-3227U:Black
    • Inspiron 5721 Intel® Core™ i7 i7-3537U Laptop:Charcoal
  • Display resolution
    • Inspiron 3721-9888 laptop Intel® Core™ i3 i3-3227U:1600 x 900 pixels
    • Inspiron 5721 Intel® Core™ i7 i7-3537U Laptop:1920 x 1080 pixels
  • HD type
    • Inspiron 3721-9888 laptop Intel® Core™ i3 i3-3227U:HD+
    • Inspiron 5721 Intel® Core™ i7 i7-3537U Laptop:Full HD
  • Processor family
    • Inspiron 3721-9888 laptop Intel® Core™ i3 i3-3227U:Intel® Core™ i3
    • Inspiron 5721 Intel® Core™ i7 i7-3537U Laptop:Intel® Core™ i7
  • Processor generation
    • Inspiron 3721-9888 laptop Intel® Core™ i3 i3-3227U:3rd gen Intel® Core™ i3
    • Inspiron 5721 Intel® Core™ i7 i7-3537U Laptop:3rd gen Intel® Core™ i7
  • Processor model
    • Inspiron 3721-9888 laptop Intel® Core™ i3 i3-3227U:i3-3227U
    • Inspiron 5721 Intel® Core™ i7 i7-3537U Laptop:i7-3537U
  • Processor frequency
    • Inspiron 3721-9888 laptop Intel® Core™ i3 i3-3227U:1.9 GHz
    • Inspiron 5721 Intel® Core™ i7 i7-3537U Laptop:2 GHz
  • Processor cache
    • Inspiron 3721-9888 laptop Intel® Core™ i3 i3-3227U:3 MB
    • Inspiron 5721 Intel® Core™ i7 i7-3537U Laptop:4 MB

Side by side

Differences highlightedShow differences only (off)
Comparison of 3721-9888, 5721
181 specifications
Design1 differ
Product typeLaptopLaptop
Product colourDiffersBlackCharcoal
Form factorClamshellClamshell
Display2 differ
Display diagonal43.9 cm (17.3")43.9 cm (17.3")
Display resolutionDiffers1600 x 900 pixels1920 x 1080 pixels
TouchscreenNoNo
HD typeDiffersHD+Full HD
LED backlightYesYes
Native aspect ratio16:916:9
Display brightnessKnown for one200 cd/m²Unknown — not stated by the source
Processor8 differ
Processor manufacturerIntelIntel
Processor familyDiffersIntel® Core™ i3Intel® Core™ i7
Processor generationDiffers3rd gen Intel® Core™ i33rd gen Intel® Core™ i7
Processor modelDiffersi3-3227Ui7-3537U
Processor cores22
Processor threads44
Processor boost frequencyKnown for oneUnknown — not stated by the source3.1 GHz
Processor frequencyDiffers1.9 GHz2 GHz
System bus rate5 GT/s5 GT/s
Processor cacheDiffers3 MB4 MB
Processor cache typeSmart CacheSmart Cache
Processor socketBGA 1023BGA 1023
Processor lithography22 nm22 nm
Processor operating modes64-bit64-bit
Processor seriesDiffersIntel Core i3-3200 Mobile SeriesIntel Core i7-3500 Mobile series
Processor codenameIvy BridgeIvy Bridge
Bus typeDMIDMI
FSB ParityNoNo
SteppingL1L1
Thermal Design Power (TDP)17 W17 W
Tjunction105 °C105 °C
Maximum number of PCI Express lanes1616
PCI Express configurationsDiffers1x16, 2x8, 1x8+2x41x8, 1x16, 2x4, 2x8
PCI Express slots version2.02.0
CPU multiplier (bus/core ratio)Differs1920
ECC supported by processorNoNo
Memory2 differ
Internal memoryDiffers4 GB8 GB
Internal memory typeDDR3-SDRAMDDR3-SDRAM
Memory clock speed1600 MHz1600 MHz
Memory form factorSO-DIMMSO-DIMM
Memory layout (slots x size)Differs1 x 4 GB2 x 4 GB
Memory slots2x SO-DIMM2x SO-DIMM
Maximum internal memory8 GB8 GB
Maximum internal memory (64-bit)Known for oneUnknown — not stated by the source8 GB
Storage3 differ
Total storage capacityDiffers500 GB1 TB
Storage mediaHDDHDD
Number of HDDs installed11
HDD capacityDiffers500 GB1 TB
HDD interfaceSATASATA
HDD speed5400 RPM5400 RPM
HDD size2.5"2.5"
Optical drive typeDiffersDVD±RWDVD Super Multi DL
Card reader integratedYesYes
Compatible memory cardsMemory Stick (MS), MMC, MMC+, MS PRO, MSXC, SD, SDHC, SDXCMemory Stick (MS), MMC, MMC+, MS PRO, MSXC, SD, SDHC, SDXC
Graphics3 differ
On-board graphics cardYesYes
Discrete graphics cardDiffersNoYes
Discrete graphics card modelDiffersNot availableAMD Radeon HD 8730M
Discrete graphics card memoryKnown for oneUnknown — not stated by the source2 GB
Discrete graphics memory typeKnown for oneUnknown — not stated by the sourceGDDR5
On-board graphics card familyIntel® HD GraphicsIntel® HD Graphics
On-board graphics card modelIntel® HD Graphics 4000Intel® HD Graphics 4000
On-board graphics card base frequency350 MHz350 MHz
On-board graphics card dynamic frequency (max)Differs1100 MHz1200 MHz
On-board graphics card ID0x1660x166
Number of discrete graphics cards installedKnown for oneUnknown — not stated by the source1
Audioidentical
Audio systemWaves MaxxAudio 4Waves MaxxAudio 4
Number of built-in speakers22
Built-in microphoneYesYes
Cameraidentical
Front cameraKnown for oneUnknown — not stated by the sourceYes
Front camera resolution (numeric)1 MP1 MP
Optical driveidentical
Disc types supportedKnown for oneUnknown — not stated by the sourceCD, DVD
Networkidentical
Wi-FiYesYes
Wi-Fi standards802.11b, 802.11g, Wi-Fi 4 (802.11n)802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANYesYes
Ethernet LAN data rates10,100 Mbit/s10,100 Mbit/s
BluetoothYesYes
Bluetooth version4.04.0
Data networkKnown for oneUnknown — not stated by the sourceNot supported
4G WiMAXKnown for oneUnknown — not stated by the sourceNo
Integrated 4G WiMAXYesYes
Cabling technologyKnown for one10/100Base-T(X)Unknown — not stated by the source
Networking standardsKnown for oneIEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.3, IEEE 802.3uUnknown — 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 quantity22
Ethernet LAN (RJ-45) ports11
HDMI ports quantity11
HDMI version1.4a1.4a
DisplayPorts quantity00
DVI portNoNo
VGA (D-Sub) ports quantityKnown for oneUnknown — not stated by the source0
Thunderbolt ports quantity00
Headphone outputsDiffers10
S/PDIF out portNoNo
Combo headphone/mic portYesYes
Microphone inDiffersYesNo
Docking connectorNoNo
ExpressCard slotNoNo
CardBus PCMCIA slots quantity00
CardBus PCMCIA slot typeNoNo
SmartCard slotNoNo
eSATA/USB 2.0 ports quantityKnown for one0Unknown — not stated by the source
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one0Unknown — not stated by the source
eSATA ports quantityKnown for one0Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one0Unknown — not stated by the source
Performanceidentical
Motherboard chipsetIntel HM76 ExpressIntel HM76 Express
Keyboardidentical
Pointing deviceTouchpadTouchpad
Numeric keypadYesYes
Full-size keyboardKnown for oneUnknown — not stated by the sourceYes
Windows keysYesYes
Software1 differ
Operating system installedDiffersWindows 8 ProWindows 8
Operating system architecture64-bit64-bit
Drivers includedKnown for oneUnknown — not stated by the sourceYes
Processor special features5 differ
Intel® Wireless Display (Intel® WiDi)YesYes
CPU configuration (max)11
Embedded options availableNoNo
Enhanced Intel SpeedStep TechnologyYesYes
Execute Disable BitYesYes
Graphics & IMC lithography22 nm22 nm
Idle StatesYesYes
Intel 64YesYes
Intel Clear Video TechnologyNoNo
Intel Demand Based SwitchingNoNo
Intel Dual Display Capable TechnologyYesYes
Intel Enhanced Halt StateYesYes
Intel FDI TechnologyYesYes
Intel Fast Memory AccessYesYes
Intel Flex Memory AccessYesYes
Intel Identity Protection Technology version1.001.00
Intel Rapid Storage TechnologyNoNo
Intel Secure Key Technology versionKnown for oneUnknown — not stated by the source1.00
Intel Smart Connect TechnologyKnown for oneUnknown — not stated by the sourceNo
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)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Active Management Technology (Intel® AMT)Known for oneUnknown — not stated by the sourceNo
Intel® Anti-Theft Technology (Intel® AT)YesYes
Intel® Clear Video HD Technology (Intel® CVT HD)YesYes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)NoNo
Intel® High Definition Audio (Intel® HD Audio)Known for oneUnknown — not stated by the sourceNo
Intel® Hyper Threading Technology (Intel® HT Technology)YesYes
Intel® Identity Protection Technology (Intel® IPT)YesYes
Intel® InTru™ 3D TechnologyYesYes
Intel® Insider™YesYes
Intel® Matrix Storage Technology (Intel® MST)Known for oneUnknown — not stated by the sourceNo
Intel® My WiFi Technology (Intel® MWT)YesYes
Intel® Quick Sync Video TechnologyYesYes
Intel® Rapid Start TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel® Secure KeyKnown for oneUnknown — not stated by the sourceYes
Intel® Small Business Advantage (Intel® SBA)NoNo
Intel® Smart CacheYesYes
Intel® Smart Response TechnologyKnown for oneUnknown — not stated by the sourceNo
Intel® Turbo Boost TechnologyDiffersNo2.0
Intel® Virtualization Technology (Intel® VT)Known for oneUnknown — not stated by the sourceVT-d, VT-x
Processor ARK IDDiffers7205772054
Processor codeDiffersSR0XFSR0XG
Processor package size31 x 24 (BGA1023)31 x 24 (BGA1023)
Supported instruction setsAVXAVX
Thermal Monitoring TechnologiesYesYes
Conflict-Free processorYesYes
Battery2 differ
Battery technologyLithium-Ion (Li-Ion)Lithium-Ion (Li-Ion)
Number of battery cellsDiffers46
Battery capacityDiffers2800 mAh65 Wh
Power1 differ
AC adapter powerDiffers40 W65 W
DC-in jackYesYes
Securityidentical
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Fingerprint readerKnown for oneUnknown — not stated by the sourceNo
Password protectionKnown for oneUnknown — not stated by the sourceYes
Weight & dimensions2 differ
WeightDiffers2.64 kg2.73 kg
Width412 mm412 mm
Depth270 mm270 mm
Height (front)2.83 cm2.83 cm
Height (rear)Differs2.96 cm3.56 cm
Packaging contentidentical
AC adapter includedYesYes
Cables includedACAC
ManualYesYes
Power cord includedKnown for oneUnknown — not stated by the sourceYes
Quick start guideKnown for oneYesUnknown — not stated by the source
Other featuresidentical
3DKnown for oneUnknown — not stated by the sourceNo

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.

More laptop comparisons

All laptop comparisons