Product comparison · 2 pcs/workstations

Dell OptiPlex 790 DT vs Fujitsu E400 E85+

91specifications compared
42differ
49identical
45known for one product only

Key differences

The Dell OptiPlex 790 DT has 2 more processor cores than the Fujitsu E400 E85+ (4 vs 2). The Dell OptiPlex 790 DT has 6 more processor threads than the Fujitsu E400 E85+ (8 vs 2). The Dell OptiPlex 790 DT has 0.7 GHz more processor frequency than the Fujitsu E400 E85+ (3.4 GHz vs 2.7 GHz). Only the Dell OptiPlex 790 DT has embedded options available. Only the Dell OptiPlex 790 DT has Intel Trusted Execution Technology.

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

Side by side

Differences highlightedShow differences only

Comparison of OptiPlex 790 DT, E400 E85+
136 specifications	A Dell OptiPlex 790 DT View product	B Fujitsu E400 E85+View product
Processor13 differ
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
FSB ParityKnown for one	No	Unknown — not stated by the source
Processor seriesDiffers	Intel Core i7-2600 Desktop Series	Intel Pentium G600 Series for Desktop
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
Number of processors installedKnown for one	1	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Differs	34	27
SteppingDiffers	D2	Q0
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
Memory layout (slots x size)Differs	2 x 2 GB	1 x 2 GB
Memory slotsDiffers	4x DIMM	2x DIMM
Storage1 differ
Optical drive typeDiffers	DVD±RW	DVD Super Multi
HDD capacityKnown for one	500 GB	Unknown — not stated by the source
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
Graphics3 differ
On-board graphics card modelDiffers	Intel® HD Graphics 2000	Intel® HD Graphics
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
Motherboard chipsetDiffers	Intel® Q65 Express	Intel® H61
Networkidentical
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	10	8
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
Headphone outputsDiffers	2	1
Line-inKnown for one	Yes	Unknown — not stated by the source
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
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 slots2 differ
PCI Express x1 slotsDiffers	1	2
PCI Express x16 slotsDiffers	2	1
PCI slotsKnown for one	1	Unknown — not stated by the source
Poweridentical
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
Design1 differ
Product colourDiffers	Black, Silver	Black
External drive baysKnown for one	1 x 5.25"	Unknown — not stated by the source
Internal drive baysKnown for one	1 x 3.5"	Unknown — not stated by the source
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Softwareidentical
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Processor special features12 differ
Embedded options availableDiffers	Yes	No
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 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 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
Processor ARK IDDiffers	52213	53483
Processor codeDiffers	SR00B	SR05S
Supported instruction setsKnown for one	AVX	Unknown — not stated by the source
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	40.2 mm	330 mm
DepthDiffers	161.4 mm	405 mm
HeightDiffers	141.7 mm	104 mm
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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