Product comparison · 2 pcs/workstations

Dell OptiPlex 790 SFF vs Fujitsu E400 E85+

91specifications compared
44differ
47identical
44known for one product only

Key differences

The Dell OptiPlex 790 SFF has 2 more processor cores than the Fujitsu E400 E85+ (4 vs 2). The Dell OptiPlex 790 SFF has 6 more processor threads than the Fujitsu E400 E85+ (8 vs 2). The Dell OptiPlex 790 SFF has 0.7 GHz more processor frequency than the Fujitsu E400 E85+ (3.4 GHz vs 2.7 GHz). Only the Fujitsu E400 E85+ has card reader integrated. Only the Dell OptiPlex 790 SFF has embedded options available.

Processor family
- OptiPlex 790 SFF:Intel® Core™ i7
- E400 E85+:Intel Pentium G
Processor model
- OptiPlex 790 SFF:i7-2600
- E400 E85+:G630
Processor cores
- OptiPlex 790 SFF:4
- E400 E85+:2
Processor threads
- OptiPlex 790 SFF:8
- E400 E85+:2
Processor frequency
- OptiPlex 790 SFF:3.4 GHz
- E400 E85+:2.7 GHz
Processor cache
- OptiPlex 790 SFF:8 MB
- E400 E85+:3 MB
Thermal Design Power (TDP)
- OptiPlex 790 SFF:95 W
- E400 E85+:65 W
Tcase
- OptiPlex 790 SFF:72.6 °C
- E400 E85+:69.1 °C

Side by side

Differences highlightedShow differences only

Comparison of OptiPlex 790 SFF, E400 E85+
135 specifications	A Dell OptiPlex 790 SFF View product	B Fujitsu E400 E85+View product
Processor13 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel Pentium G
Processor generationKnown for one	2nd gen Intel® Core™ i7	Unknown — not stated by the source
Processor modelDiffers	i7-2600	G630
Processor coresDiffers	4	2
Processor threadsDiffers	8	2
Processor boost frequencyKnown for one	3.8 GHz	Unknown — not stated by the source
Processor frequencyDiffers	3.4 GHz	2.7 GHz
Processor cacheDiffers	8 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	DMI	DMI
FSB ParityKnown for one	No	Unknown — not stated by the source
System bus rate	5 GT/s	5 GT/s
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-2600 Desktop Series	Intel Pentium G600 Series for Desktop
Processor codename	Sandy Bridge	Sandy Bridge
Thermal Design Power (TDP)Differs	95 W	65 W
TcaseDiffers	72.6 °C	69.1 °C
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express slots version	2.0	2.0
Number of processors installedKnown for one	1	Unknown — not stated by the source
Processor socket	LGA 1155 (Socket H2)	LGA 1155 (Socket H2)
CPU multiplier (bus/core ratio)Differs	34	27
SteppingDiffers	D2	Q0
Maximum internal memory supported by processor	32 GB	32 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	1066,1333 MHz	1066 MHz
Memory bandwidth supported by processor (max)Differs	21 GB/s	17 GB/s
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memory4 differ
Internal memoryDiffers	4 GB	2 GB
Maximum internal memoryDiffers	16 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	2 x 2 GB	1 x 2 GB
Memory slotsDiffers	4x DIMM	2x DIMM
Memory clock speed	1333 MHz	1333 MHz
Memory channels	Dual-channel	Dual-channel
Storage2 differ
Total storage capacity	500 GB	500 GB
Optical drive typeDiffers	DVD-RW	DVD Super Multi
Number of HDDs installed	1	1
HDD capacityKnown for one	500 GB	Unknown — not stated by the source
HDD interface	SATA	SATA
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
Card reader integratedDiffers	No	Yes
Graphics3 differ
On-board graphics card	Yes	Yes
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 2000	Intel® HD Graphics
Number of displays supported (on-board graphics)	2	2
On-board graphics card base frequency	850 MHz	850 MHz
On-board graphics card dynamic frequency (max)Differs	1350 MHz	1100 MHz
On-board graphics card IDKnown for one	0x102	Unknown — not stated by the source
Graphics card familyDiffers	Intel	Intel, NVIDIA
Discrete graphics card modelKnown for one	Unknown — not stated by the source	NVIDIA® GeForce® GT 420
Performance1 differ
Product type	PC	PC
Motherboard chipsetDiffers	Intel® Q65 Express	Intel® H61
Password protection type	BIOS	BIOS
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Wi-FiKnown for one	Unknown — not stated by the source	Yes
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 4 (802.11n)
Wi-Fi standardsKnown for one	Unknown — not stated by the source	802.11g, Wi-Fi 4 (802.11n)
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	7	8
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
Headphone outputsDiffers	2	1
Line-out	Yes	Yes
Line-inKnown for one	Yes	Unknown — not stated by the source
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
DVI portKnown for one	Unknown — not stated by the source	Yes
PS/2 ports quantityKnown for one	Unknown — not stated by the source	2
Serial ports quantityKnown for one	Unknown — not stated by the source	4
Expansion slots1 differ
PCI Express x16 slotsDiffers	2	1
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	2
Power1 differ
Power supplyDiffers	240 W	250 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
Design2 differ
Chassis typeDiffers	SFF	Desktop
Cable lock slot	Yes	Yes
Product colourDiffers	Black, Silver	Black
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Displayidentical
Display included	No	No
Processor special features12 differ
CPU configuration (max)	1	1
Embedded options availableDiffers	Yes	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Trusted Execution TechnologyDiffers	Yes	No
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	Yes	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® Insider™Differs	Yes	No
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	52213	53483
Processor codeDiffers	SR00B	SR05S
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction setsKnown for one	AVX	Unknown — not stated by the source
Thermal Monitoring Technologies	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	2.0	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	36.5 mm	330 mm
DepthDiffers	122 mm	405 mm
HeightDiffers	114.2 mm	104 mm
WeightKnown for one	5.7 kg	Unknown — not stated by the source
Packaging contentidentical
Mouse includedKnown for one	No	Unknown — not stated by the source
Keyboard includedKnown for one	No	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	EPEAT Gold, ENERGY STAR	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	10 - 35 °C

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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