Product comparison · 2 pcs/workstations

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

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

Key differences

Processor family
- Inspiron 3646 Intel® Celeron® J1800:Intel® Celeron®
- OptiPlex 7020 Intel® Core™ i7 i7-4790:Intel® Core™ i7
Processor model
- Inspiron 3646 Intel® Celeron® J1800:J1800
- OptiPlex 7020 Intel® Core™ i7 i7-4790:i7-4790
Processor cores
- Inspiron 3646 Intel® Celeron® J1800:2
- OptiPlex 7020 Intel® Core™ i7 i7-4790:4
Processor threads
- Inspiron 3646 Intel® Celeron® J1800:2
- OptiPlex 7020 Intel® Core™ i7 i7-4790:8
Processor boost frequency
- Inspiron 3646 Intel® Celeron® J1800:2.58 GHz
- OptiPlex 7020 Intel® Core™ i7 i7-4790:4 GHz
Processor frequency
- Inspiron 3646 Intel® Celeron® J1800:2.41 GHz
- OptiPlex 7020 Intel® Core™ i7 i7-4790:3.6 GHz
Processor cache
- Inspiron 3646 Intel® Celeron® J1800:1 MB
- OptiPlex 7020 Intel® Core™ i7 i7-4790:8 MB
Processor cache type
- Inspiron 3646 Intel® Celeron® J1800:L2
- OptiPlex 7020 Intel® Core™ i7 i7-4790:Smart Cache

Side by side

Differences highlightedShow differences only

Comparison of 3646, 7020
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 manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron®	Intel® Core™ i7
Processor generationKnown for one	Unknown — not stated by the source	4th gen Intel® Core™ i7
Processor modelDiffers	J1800	i7-4790
Processor coresDiffers	2	4
Processor threadsDiffers	2	8
Processor boost frequencyDiffers	2.58 GHz	4 GHz
Processor frequencyDiffers	2.41 GHz	3.6 GHz
Processor cacheDiffers	1 MB	8 MB
Processor cache typeDiffers	L2	Smart Cache
Bus typeKnown for one	Unknown — not stated by the source	DMI
FSB Parity	No	No
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Processor lithography	22 nm	22 nm
Processor operating modes	32-bit, 64-bit	32-bit, 64-bit
Processor seriesDiffers	Intel Celeron Processor J1000 series for Desktop	Intel Core i7-4700 Desktop series
Processor codenameDiffers	Bay Trail	Haswell
Thermal Design Power (TDP)Differs	10 W	84 W
TcaseKnown for one	Unknown — not stated by the source	72.72 °C
Maximum number of PCI Express lanesDiffers	4	16
PCI Express configurationsDiffers	1x4	1x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers	2.0	3.0
Number of QPI linksKnown for one	Unknown — not stated by the source	0
Number of processors installed	1	1
Processor socketDiffers	BGA 1170	LGA 1150 (Socket H3)
SteppingDiffers	B3	C0
Maximum internal memory supported by processorDiffers	8 GB	32 GB
Memory types supported by processorDiffers	DDR3L-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	1333 MHz	1333,1600 MHz
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	25.6 GB/s
ECC supported by processor	No	No
TjunctionKnown for one	105 °C	Unknown — not stated by the source
Memory5 differ
Internal memoryDiffers	4 GB	8 GB
Maximum internal memoryDiffers	8 GB	16 GB
Internal memory typeDiffers	DDR3L-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	1 x 4 GB	2 x 4 GB
Memory slotsDiffers	1x DIMM	4x DIMM
Memory clock speed	1600 MHz	1600 MHz
Memory channels	Dual-channel	Dual-channel
Non-ECCKnown for one	Unknown — not stated by the source	Yes
Storage2 differ
Total storage capacity	500 GB	500 GB
Optical drive typeDiffers	DVD±RW	DVD-RW
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Card reader integratedDiffers	Yes	No
Number of storage drives installedKnown for one	1	Unknown — not stated by the source
Compatible memory cardsKnown for one	Memory Stick (MS), MMC, MMC+, MS PRO, SD, SDHC, SDXC, xD	Unknown — not stated by the source
Graphics4 differ
On-board graphics card	Yes	Yes
Discrete graphics card model	Not available	Not available
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics	Intel® HD Graphics 4600
Maximum on-board graphics card memoryKnown for one	Unknown — not stated by the source	1.024 GB
Number of displays supported (on-board graphics)Differs	2	3
On-board graphics card base frequencyDiffers	688 MHz	350 MHz
On-board graphics card dynamic frequency (max)Differs	792 MHz	1200 MHz
On-board graphics card DirectX versionKnown for one	Unknown — not stated by the source	11.1
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x412
Discrete graphics cardKnown for one	No	Unknown — not stated by the source
Performanceidentical
Product type	PC	PC
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® Q87
Audio output channelsKnown for one	5.1 channels	Unknown — not stated by the source
Optical driveidentical
Optical drives quantity	1	1
Network1 differ
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Wi-FiDiffers	Yes	No
Wake-on-LAN readyKnown for one	Unknown — not stated by the source	Yes
Top Wi-Fi standardKnown for one	Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Wi-Fi standardsKnown for one	802.11b, 802.11g, Wi-Fi 4 (802.11n)	Unknown — not stated by the source
BluetoothKnown for one	Yes	Unknown — not stated by the source
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	4	6
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	4
DisplayPorts quantityKnown for one	Unknown — not stated by the source	2
HDMI ports quantityDiffers	1	0
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-out	Yes	Yes
Line-in	Yes	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI port	No	No
PS/2 ports quantityKnown for one	Unknown — not stated by the source	2
Serial ports quantityKnown for one	Unknown — not stated by the source	1
Expansion slotsidentical
Number of 3.5" baysKnown for one	Unknown — not stated by the source	2
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	1
PCI Express x16 slotsKnown for one	Unknown — not stated by the source	2
PCI slotsKnown for one	Unknown — not stated by the source	1
Poweridentical
Power supplyKnown for one	Unknown — not stated by the source	290 W
Power supply input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
Power supply input frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Design2 differ
Chassis typeDiffers	SFF	Mini Tower
Placement supported	Vertical	Vertical
Number of 5.25" baysKnown for one	Unknown — not stated by the source	2
Liquid cooling system	No	No
Product colourDiffers	Black	Black, Grey
Software1 differ
Operating system installedDiffers	Windows 8.1	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Recovery operating systemKnown for one	Unknown — not stated by the source	Windows 8.1
Trial softwareKnown for one	Unknown — not stated by the source	Microsoft Office
Displayidentical
Display included	No	No
Processor special features24 differ
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	22 nm
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt StateDiffers	No	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology versionDiffers	0.00	1.00
Intel Rapid Storage Technology	No	No
Intel Secure Key Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Small Business Advantage (SBA) versionDiffers	0.00	1.00
Intel Stable Image Platform Program (SIPP)Differs	No	Yes
Intel Stable Image Platform Program (SIPP) versionDiffers	0.00	1.00
Intel TSX-NIKnown for one	Unknown — not stated by the source	No
Intel TSX-NI versionKnown for one	Unknown — not stated by the source	0.00
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® OS GuardKnown for one	Unknown — not stated by the source	Yes
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Intel® Small Business Advantage (Intel® SBA)	No	No
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Wireless Display (Intel® WiDi)Differs	No	Yes
Processor ARK IDDiffers	78866	80806
Processor codeDiffers	SR1SD	SR1QF
Processor package sizeDiffers	25 X 27 mm	37.5 x 37.5 mm
ScalabilityKnown for one	Unknown — not stated by the source	1S
Supported instruction setsKnown for one	Unknown — not stated by the source	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesDiffers	No	Yes
Thermal solution specificationKnown for one	Unknown — not stated by the source	PCG 2013D
Intel® Smart Response TechnologyDiffers	No	Yes
Intel® Rapid Start Technology	No	No
Intel® Turbo Boost TechnologyDiffers	No	2.0
Intel Smart Connect Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)Differs	No	Yes
Intel® Identity Protection Technology (Intel® IPT)Differs	No	Yes
Intel® Anti-Theft Technology (Intel® AT)Differs	No	Yes
Conflict-Free processor	Yes	Yes
Intel® Virtualization Technology (Intel® VT)Known for one	VT-x	Unknown — not stated by the source
Physical Address Extension (PAE)Known for one	36 bit	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	101.6 mm	175 mm
DepthDiffers	381 mm	417 mm
HeightDiffers	266.7 mm	360 mm
WeightDiffers	4 kg	9.4 kg
Packaging contentidentical
Mouse included	No	No
Keyboard included	No	No
Cables includedKnown for one	AC	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold, ENERGY STAR
Other featuresidentical
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise, Small Business
Audioidentical
Audio systemKnown for one	Waves MaxxAudio	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	10 - 35 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 65 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	20 - 80%	Unknown — not stated by the source
Operating altitudeKnown for one	-15.2 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-15.2 - 10668 m	Unknown — not stated by the source

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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