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Product comparison · 2 pcs/workstations

Dell Inspiron 3646 Intel® Celeron® J1800 vs Dell OptiPlex 7020 Intel® Core™ i7 i7-4790

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  • 119specifications compared
  • 65differ
  • 54identical
  • 58known for one product only

Key differences

  • Processor family
    • Intel® Celeron®
    • Intel® Core™ i7
  • Processor model
    • J1800
    • i7-4790
  • Processor cores
    • 2
    • 4
  • Processor threads
    • 2
    • 8
  • Processor boost frequency
    • 2.58 GHz
    • 4 GHz
  • Processor frequency
    • 2.41 GHz
    • 3.6 GHz
  • Processor cache
    • 1 MB
    • 8 MB
  • Processor cache type
    • L2
    • Smart Cache

Side by side

Differences highlightedShow differences only
177 specifications
A

Dell

Inspiron 3646 Intel® Celeron® J1800

Model 3646

View product
B

Dell

OptiPlex 7020 Intel® Core™ i7 i7-4790

Model 7020

View product
Processor19 differ
Processor familyDiffersIntel® Celeron®Intel® Core™ i7
Processor generationKnown for one4th gen Intel® Core™ i7
Processor modelDiffersJ1800i7-4790
Processor coresDiffers24
Processor threadsDiffers28
Processor boost frequencyDiffers2.58 GHz4 GHz
Processor frequencyDiffers2.41 GHz3.6 GHz
Processor cacheDiffers1 MB8 MB
Processor cache typeDiffersL2Smart Cache
Bus typeKnown for oneDMI
System bus rateKnown for one5 GT/s
Processor seriesDiffersIntel Celeron Processor J1000 series for DesktopIntel Core i7-4700 Desktop series
Processor codenameDiffersBay TrailHaswell
Thermal Design Power (TDP)Differs10 W84 W
TcaseKnown for one72.72 °C
Maximum number of PCI Express lanesDiffers416
PCI Express configurationsDiffers1x41x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers2.03.0
Number of QPI linksKnown for one0
Processor socketDiffersBGA 1170LGA 1150 (Socket H3)
SteppingDiffersB3C0
Maximum internal memory supported by processorDiffers8 GB32 GB
Memory types supported by processorDiffersDDR3L-SDRAMDDR3-SDRAM
Memory clock speeds supported by processorDiffers1333 MHz1333,1600 MHz
Memory bandwidth supported by processor (max)Known for one25.6 GB/s
TjunctionKnown for one105 °C
Memory5 differ
Internal memoryDiffers4 GB8 GB
Maximum internal memoryDiffers8 GB16 GB
Internal memory typeDiffersDDR3L-SDRAMDDR3-SDRAM
Memory layout (slots x size)Differs1 x 4 GB2 x 4 GB
Memory slotsDiffers1x DIMM4x DIMM
Non-ECCKnown for oneYes
Storage2 differ
Optical drive typeDiffersDVD±RWDVD-RW
Card reader integratedDiffersYesNo
Number of storage drives installedKnown for one1
Compatible memory cardsKnown for oneMemory Stick (MS), MMC, MMC+, MS PRO, SD, SDHC, SDXC, xD
Graphics4 differ
On-board graphics card modelDiffersIntel® HD GraphicsIntel® HD Graphics 4600
Maximum on-board graphics card memoryKnown for one1.024 GB
Number of displays supported (on-board graphics)Differs23
On-board graphics card base frequencyDiffers688 MHz350 MHz
On-board graphics card dynamic frequency (max)Differs792 MHz1200 MHz
On-board graphics card DirectX versionKnown for one11.1
On-board graphics card IDKnown for one0x412
Discrete graphics cardKnown for oneNo
Performanceidentical
Motherboard chipsetKnown for oneIntel® Q87
Audio output channelsKnown for one5.1 channels
Network1 differ
Wi-FiDiffersYesNo
Wake-on-LAN readyKnown for oneYes
Top Wi-Fi standardKnown for oneWi-Fi 4 (802.11n)
Wi-Fi standardsKnown for one802.11b, 802.11g, Wi-Fi 4 (802.11n)
BluetoothKnown for oneYes
Bluetooth versionKnown for one4.0
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers46
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers14
DisplayPorts quantityKnown for one2
HDMI ports quantityDiffers10
PS/2 ports quantityKnown for one2
Serial ports quantityKnown for one1
Expansion slotsidentical
Number of 3.5" baysKnown for one2
PCI Express x1 slotsKnown for one1
PCI Express x16 slotsKnown for one2
PCI slotsKnown for one1
Poweridentical
Power supplyKnown for one290 W
Power supply input voltageKnown for one100 - 240 V
Power supply input frequencyKnown for one50 - 60 Hz
Design2 differ
Chassis typeDiffersSFFMini Tower
Number of 5.25" baysKnown for one2
Product colourDiffersBlackBlack, Grey
Software1 differ
Operating system installedDiffersWindows 8.1Windows 7 Professional
Recovery operating systemKnown for oneWindows 8.1
Trial softwareKnown for oneMicrosoft Office
Processor special features24 differ
Graphics & IMC lithographyKnown for one22 nm
Idle StatesKnown for oneYes
Intel Enhanced Halt StateDiffersNoYes
Intel FDI TechnologyDiffersNoYes
Intel Identity Protection Technology versionDiffers0.001.00
Intel Secure Key Technology versionKnown for one1.00
Intel Small Business Advantage (SBA) versionDiffers0.001.00
Intel Stable Image Platform Program (SIPP)DiffersNoYes
Intel Stable Image Platform Program (SIPP) versionDiffers0.001.00
Intel TSX-NIKnown for oneNo
Intel TSX-NI versionKnown for one0.00
Intel Trusted Execution TechnologyDiffersNoYes
Intel VT-x with Extended Page Tables (EPT)DiffersNoYes
Intel Virtualization Technology for Directed I/O (VT-d)DiffersNoYes
Intel® AES New Instructions (Intel® AES-NI)DiffersNoYes
Intel® Clear Video HD Technology (Intel® CVT HD)DiffersNoYes
Intel® InTru™ 3D TechnologyDiffersNoYes
Intel® Insider™DiffersNoYes
Intel® OS GuardKnown for oneYes
Intel® Secure KeyKnown for oneYes
Intel® Smart CacheKnown for oneYes
Intel® Wireless Display (Intel® WiDi)DiffersNoYes
Processor ARK IDDiffers7886680806
Processor codeDiffersSR1SDSR1QF
Processor package sizeDiffers25 X 27 mm37.5 x 37.5 mm
ScalabilityKnown for one1S
Supported instruction setsKnown for oneAVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesDiffersNoYes
Thermal solution specificationKnown for onePCG 2013D
Intel® Smart Response TechnologyDiffersNoYes
Intel® Turbo Boost TechnologyDiffersNo2.0
Intel® Hyper Threading Technology (Intel® HT Technology)DiffersNoYes
Intel® My WiFi Technology (Intel® MWT)DiffersNoYes
Intel® Identity Protection Technology (Intel® IPT)DiffersNoYes
Intel® Anti-Theft Technology (Intel® AT)DiffersNoYes
Intel® Virtualization Technology (Intel® VT)Known for oneVT-x
Physical Address Extension (PAE)Known for one36 bit
Weight & dimensions4 differ
WidthDiffers101.6 mm175 mm
DepthDiffers381 mm417 mm
HeightDiffers266.7 mm360 mm
WeightDiffers4 kg9.4 kg
Packaging contentidentical
Cables includedKnown for oneAC
ManualKnown for oneYes
Certificatesidentical
Compliance certificatesKnown for oneRoHS
Sustainabilityidentical
Sustainability certificatesKnown for oneEPEAT Gold, ENERGY STAR
Other featuresidentical
Intel segment taggingKnown for oneEnterprise, Small Business
Audioidentical
Audio systemKnown for oneWaves MaxxAudio
Operational conditionsidentical
Operating temperature (T-T)Known for one10 - 35 °C
Storage temperature (T-T)Known for one-40 - 65 °C
Operating relative humidity (H-H)Known for one20 - 80%
Operating altitudeKnown for one-15.2 - 3048 m
Non-operating altitudeKnown for one-15.2 - 10668 m

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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