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 manufacturer	Intel	Intel
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
FSB Parity	No	No
Processor lithographyDiffers	45 nm	32 nm
Processor operating modes	64-bit	64-bit
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
Number of processors installed	1	1
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
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
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
Memory clock speed	1333 MHz	1333 MHz
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
Number of HDDs installed	1	1
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integrated	No	No
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
Password protection type	BIOS	BIOS
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
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-outKnown for one	Yes	Unknown — not stated by the source
Line-inKnown for one	Yes	Unknown — not stated by the source
Microphone in	Yes	Yes
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
Serial ports quantity	1	1
Parallel ports quantity	1	1
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
Operating system installed	Windows 7 Professional	Windows 7 Professional
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 7
Mac compatibilityKnown for one	Unknown — not stated by the source	No
Displayidentical
Display included	No	No
Processor special features13 differ
Embedded options availableDiffers	No	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based SwitchingDiffers	No	Yes
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
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
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® Wireless Display (Intel® WiDi)	No	No
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
Intel® Quick Sync Video Technology	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
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
Mouse included	No	No
Keyboard included	No	No
Remote control includedKnown for one	No	Unknown — not stated by the source
Certificatesidentical
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
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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