Product comparison · 2 pcs/workstations

Dell 3900 + KB vs Dell OptiPlex 9020 Computador SFF BTX

118specifications compared
47differ
71identical
65known for one product only

Key differences

Processor family
- 3900 + KB:Intel Pentium G
- OptiPlex 9020 Computador SFF BTX:Intel® Core™ i7
Processor model
- 3900 + KB:G3260
- OptiPlex 9020 Computador SFF BTX:i7-4790
Processor cores
- 3900 + KB:2
- OptiPlex 9020 Computador SFF BTX:4
Processor threads
- 3900 + KB:2
- OptiPlex 9020 Computador SFF BTX:8
Processor frequency
- 3900 + KB:3.3 GHz
- OptiPlex 9020 Computador SFF BTX:3.6 GHz
Processor cache
- 3900 + KB:3 MB
- OptiPlex 9020 Computador SFF BTX:8 MB
Bus type
- 3900 + KB:DMI2
- OptiPlex 9020 Computador SFF BTX:DMI
Thermal Design Power (TDP)
- 3900 + KB:53 W
- OptiPlex 9020 Computador SFF BTX:84 W

Side by side

Differences highlightedShow differences only

Comparison of 3900 + KB, OptiPlex 9020 Computador SFF BTX
183 specifications	A Dell 3900 + KB View product	B Dell OptiPlex 9020 Computador SFF BTX View product
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel Pentium G	Intel® Core™ i7
Processor generationKnown for one	Unknown — not stated by the source	4th gen Intel® Core™ i7
Processor modelDiffers	G3260	i7-4790
Processor coresDiffers	2	4
Processor threadsDiffers	2	8
Processor boost frequencyKnown for one	Unknown — not stated by the source	4 GHz
Processor frequencyDiffers	3.3 GHz	3.6 GHz
Processor cacheDiffers	3 MB	8 MB
Processor cache type	Smart Cache	Smart Cache
Bus typeDiffers	DMI2	DMI
FSB ParityKnown for one	Unknown — not stated by the source	No
System bus rate	5 GT/s	5 GT/s
Processor lithography	22 nm	22 nm
Processor operating modes	32-bit, 64-bit	32-bit, 64-bit
Processor seriesDiffers	Intel Pentium G3000 series for Desktop	Intel Core i7-4700 Desktop series
Processor codename	Haswell	Haswell
Thermal Design Power (TDP)Differs	53 W	84 W
TcaseDiffers	72 °C	72.72 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsDiffers	1x8, 1x16, 2x4, 2x8	1x16, 2x8, 1x8+2x4
PCI Express slots version	3.0	3.0
Number of QPI linksKnown for one	Unknown — not stated by the source	0
Number of processors installed	1	1
Processor socket	LGA 1150 (Socket H3)	LGA 1150 (Socket H3)
Stepping	C0	C0
Maximum internal memory supported by processor	32 GB	32 GB
Memory types supported by processorDiffers	DDR3-SDRAM, DDR3L-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	1333 MHz	1333,1600 MHz
Memory bandwidth supported by processor (max)	25.6 GB/s	25.6 GB/s
ECC supported by processorDiffers	Yes	No
Memory voltage supported by processorKnown for one	1.5 V	Unknown — not stated by the source
Memory4 differ
Internal memoryDiffers	4 GB	8 GB
Maximum internal memoryDiffers	16 GB	32 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	1 x 4 GB	2 x 4 GB
Memory slotsDiffers	2x 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
Storage1 differ
Total storage capacity	500 GB	500 GB
Optical drive typeDiffers	DVD±RW	DVD Super Multi
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"
RAID supportKnown for one	Unknown — not stated by the source	Yes
Number of storage drives installedKnown for one	1	Unknown — not stated by the source
Card reader integratedKnown for one	Yes	Unknown — not stated by the source
Graphics4 differ
On-board graphics card	Yes	Yes
Discrete graphics card modelDiffers	Not available	AMD Radeon R5 240
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	1 GB
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 memoryDiffers	16 GB	1.024 GB
Number of displays supported (on-board graphics)	3	3
On-board graphics card base frequency	350 MHz	350 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1200 MHz
On-board graphics card DirectX version	11.1	11.1
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x412
Graphics card Open GL supportKnown for one	Unknown — not stated by the source	Yes
CUDAKnown for one	Unknown — not stated by the source	No
NVIDIA G-SYNCKnown for one	Unknown — not stated by the source	No
NVIDIA GameWorks VRKnown for one	Unknown — not stated by the source	No
Graphics card DVI-I ports quantityKnown for one	Unknown — not stated by the source	1
Graphics card DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Discrete graphics cardKnown for one	No	Unknown — not stated by the source
Performance1 differ
Product type	PC	PC
Motherboard chipsetDiffers	Intel® H81	Intel® Q87
Password protection	Yes	Yes
Password protection typeKnown for one	BIOS, User	Unknown — not stated by the source
Audio output channelsKnown for one	5.1 channels	Unknown — not stated by the source
Optical driveidentical
Optical drives quantity	1	1
Networkidentical
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-FiKnown for one	Unknown — not stated by the source	No
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	4	6
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	4
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	0	0
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 quantity	2	2
Serial ports quantityKnown for one	Unknown — not stated by the source	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one	0	Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	0	Unknown — not stated by the source
Thunderbolt 3 ports quantityKnown for one	0	Unknown — not stated by the source
Expansion slots1 differ
Number of 3.5" baysDiffers	2	1
PCI Express x1 (Gen 2.x) slotsKnown for one	2	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
PCI slotsKnown for one	1	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	300 W	255 W
Power supply input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Power supply input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Design3 differ
Chassis typeDiffers	Mini Tower	SFF
Placement supportedDiffers	Vertical	Horizontal/Vertical
Number of 5.25" baysDiffers	2	1
Cable lock slot	Yes	Yes
Liquid cooling systemKnown for one	Unknown — not stated by the source	No
Product colour	Black	Black
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Recovery operating systemKnown for one	Windows 8.1	Unknown — not stated by the source
Displayidentical
Display included	No	No
Processor special features11 differ
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithography	22 nm	22 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	No
Intel Dual Display Capable TechnologyKnown for one	Unknown — not stated by the source	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	No
Intel HD GraphicsKnown for one	Unknown — not stated by the source	Yes
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	No
Intel Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) versionKnown for one	Unknown — not stated by the source	1.00
Intel Stable Image Platform Program (SIPP)Differs	No	Yes
Intel Stable Image Platform Program (SIPP) versionDiffers	0.00	1.00
Intel TSX-NI	No	No
Intel TSX-NI version	0.00	0.00
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)	Yes	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® Built-in Visuals TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Unknown — not stated by the source	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	No
Intel® InTru™ 3D TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Insider™Known for one	Unknown — not stated by the source	Yes
Intel® OS GuardKnown for one	Unknown — not stated by the source	Yes
Intel® Secure Key	Yes	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Virtualization Technology (Intel® VT)Known for one	Unknown — not stated by the source	VT-x, VT-d
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	Yes
Processor ARK IDDiffers	87356	80806
Processor codeDiffers	SR1K8	SR1QF
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Scalability	1S	1S
Supported instruction setsDiffers	SSE4.1, SSE4.2	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Thermal solution specificationDiffers	PCG 2013C	PCG 2013D
Intel® Turbo Boost TechnologyDiffers	No	2.0
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	Yes
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Intel® Anti-Theft Technology (Intel® AT)Known for one	Unknown — not stated by the source	Yes
Conflict-Free processor	Yes	Yes
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	HD
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 35 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 65 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	20 - 80%
Operating altitudeKnown for one	Unknown — not stated by the source	-15.2 - 3048 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-15.2 - 10668 m
Weight & dimensions4 differ
WidthDiffers	360 mm	93 mm
DepthDiffers	436.3 mm	312 mm
HeightDiffers	175 mm	290 mm
WeightDiffers	8.9 kg	6 kg
Packaging contentidentical
Mouse included	Yes	Yes
Keyboard included	Yes	Yes
Cables included	AC	AC
Manual	Yes	Yes
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
CertificationKnown for one	Unknown — not stated by the source	CECP, WEEE
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR

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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