Product comparison · 2 pcs/workstations

Dell OptiPlex 780 DT vs Dell Precision T5500-E111

87specifications compared
45differ
42identical
47known for one product only

Key differences

The Dell Precision T5500-E111 has 2 more processor cores than the Dell OptiPlex 780 DT (4 vs 2). The Dell Precision T5500-E111 has 6 more processor threads than the Dell OptiPlex 780 DT (8 vs 2). The Dell OptiPlex 780 DT has 0.53 GHz more processor frequency than the Dell Precision T5500-E111 (2.93 GHz vs 2.4 GHz). Only the Dell Precision T5500-E111 has ECC supported by processor. Only the Dell Precision T5500-E111 has embedded options available.

Processor family
- OptiPlex 780 DT:Intel® Core™2 Duo
- Precision T5500-E111:Intel® Xeon® 5000 Sequence
Processor model
- OptiPlex 780 DT:E7500
- Precision T5500-E111:E5620
Processor cores
- OptiPlex 780 DT:2
- Precision T5500-E111:4
Processor threads
- OptiPlex 780 DT:2
- Precision T5500-E111:8
Processor frequency
- OptiPlex 780 DT:2.93 GHz
- Precision T5500-E111:2.4 GHz
Processor cache
- OptiPlex 780 DT:3 MB
- Precision T5500-E111:12 MB
Processor cache type
- OptiPlex 780 DT:L2
- Precision T5500-E111:Smart Cache
Bus type
- OptiPlex 780 DT:FSB
- Precision T5500-E111:QPI

Side by side

Differences highlightedShow differences only

Comparison of OptiPlex 780 DT, Precision T5500-E111
134 specifications	A Dell OptiPlex 780 DT View product	B Dell Precision T5500-E111 View product
Processor17 differ
Processor familyDiffers	Intel® Core™2 Duo	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E7500	E5620
Processor coresDiffers	2	4
Processor threadsDiffers	2	8
Processor frequencyDiffers	2.93 GHz	2.4 GHz
Processor cacheDiffers	3 MB	12 MB
Processor cache typeDiffers	L2	Smart Cache
Processor front side busKnown for one	1066 MHz	Unknown — not stated by the source
Bus typeDiffers	FSB	QPI
Processor lithographyDiffers	45 nm	32 nm
Processor seriesDiffers	Intel Core 2 Duo E7000 Series	Intel Xeon 5600 Series
Processor codenameDiffers	Wolfdale	Westmere EP
Thermal Design Power (TDP)Differs	65 W	80 W
TcaseDiffers	74.1 °C	77.6 °C
Processor socketDiffers	LGA 775 (Socket T)	Socket B (LGA 1366)
Number of Processing Die TransistorsKnown for one	228 M	Unknown — not stated by the source
Processing Die sizeKnown for one	82 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Differs	11	18
SteppingDiffers	R0	B1
ECC supported by processorDiffers	No	Yes
Processor boost frequencyKnown for one	Unknown — not stated by the source	2.66 GHz
System bus rateKnown for one	Unknown — not stated by the source	5.86 GT/s
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	288 GB
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3 800/1066
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	800,1066 MHz
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	25.6 GB/s
Memory2 differ
Internal memoryDiffers	3 GB	6 GB
Memory layout (slots x size)Differs	1 x 1 + 1 x 2 GB	3 x 2 GB
Memory slotsKnown for one	4x DIMM	Unknown — not stated by the source
Maximum internal memoryKnown for one	Unknown — not stated by the source	16 GB
Memory channelsKnown for one	Unknown — not stated by the source	Triple-channel
Storage1 differ
Total storage capacityKnown for one	320 GB	Unknown — not stated by the source
Optical drive typeDiffers	DVD-RW	DVD Super Multi
Floppy drive installedKnown for one	No	Unknown — not stated by the source
HDD capacityKnown for one	Unknown — not stated by the source	1 TB
Performance1 differ
Product typeDiffers	PC	Workstation
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® 5520
Networkidentical
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Wi-FiKnown for one	No	Unknown — not stated by the source
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	9	11
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Line-outKnown for one	Yes	Unknown — not stated by the source
Line-inKnown for one	Yes	Unknown — not stated by the source
VGA (D-Sub) ports quantityKnown for one	1	Unknown — not stated by the source
DVI portKnown for one	No	Unknown — not stated by the source
PS/2 ports quantityDiffers	0	2
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
eSATA ports quantityKnown for one	1	Unknown — not stated by the source
Expansion slots2 differ
PCI Express x16 slotsDiffers	1	2
PCI slotsDiffers	2	1
Poweridentical
Power supplyKnown for one	255 W	Unknown — not stated by the source
Design4 differ
Chassis typeDiffers	Desktop	Mini Tower
Product colourDiffers	Black	Black, Silver
External drive baysDiffers	1x 3.5", 1x 5.25"	1 x 3.5", 2 x 5.25"
Internal drive baysDiffers	1x 3.5"	2 x 3.5"
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Softwareidentical
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 7
Mac compatibilityKnown for one	Unknown — not stated by the source	No
Processor special features13 differ
Embedded options availableDiffers	No	Yes
Intel Demand Based SwitchingDiffers	No	Yes
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology (VT-x)Differs	2	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Processor ARK IDDiffers	36503	47925
Processor codeDiffers	SLB9Z	SLBV4
Processor package sizeDiffers	37.5 x 37.5 mm	42.5 X 45 mm
Thermal Monitoring TechnologiesDiffers	Yes	No
Intel® Turbo Boost TechnologyDiffers	No	1.0
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
CPU configuration (max)Known for one	Unknown — not stated by the source	2
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	40 bit
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.2
Weight & dimensions3 differ
WidthDiffers	110 mm	171 mm
DepthDiffers	400 mm	471 mm
HeightDiffers	350 mm	448 mm
WeightKnown for one	8.26 kg	Unknown — not stated by the source
Weight (imperial)Known for one	8.26 kg (18.2 lbs)	Unknown — not stated by the source
Packaging contentidentical
Remote control includedKnown for one	No	Unknown — not stated by the source
Certificatesidentical
CertificationKnown for one	EPEAT Gold, CECP, TCO 05, WEEE, CES, RoHS	Unknown — not stated by the source
Other featuresidentical
TV tuner integratedKnown for one	No	Unknown — not stated by the source
HDD user passwordKnown for one	Yes	Unknown — not stated by the source
Graphicsidentical
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.5 GB
Graphics cardKnown for one	Unknown — not stated by the source	Quadro FX 580
Graphics card manufacturerKnown for one	Unknown — not stated by the source	NVIDIA
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	High Definition Audio

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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