Product comparison · 2 pcs/workstations

Dell Optiplex 780 SFF vs HP Pavilion p6796es

97specifications compared
50differ
47identical
60known for one product only

Key differences

The HP Pavilion p6796es has 2 more processor threads than the Dell Optiplex 780 SFF (4 vs 2). The HP Pavilion p6796es has 0.27 GHz more processor frequency than the Dell Optiplex 780 SFF (3.2 GHz vs 2.93 GHz). The HP Pavilion p6796es has 1 MB more processor cache than the Dell Optiplex 780 SFF (4 MB vs 3 MB). Only the HP Pavilion p6796es has card reader integrated. Only the HP Pavilion p6796es has DVI port.

Processor family
- Optiplex 780 SFF:Intel® Core™2 Duo
- Pavilion p6796es:Intel® Core™ i5
Processor model
- Optiplex 780 SFF:E7500
- Pavilion p6796es:i5-650
Processor threads
- Optiplex 780 SFF:2
- Pavilion p6796es:4
Processor frequency
- Optiplex 780 SFF:2.93 GHz
- Pavilion p6796es:3.2 GHz
Processor cache
- Optiplex 780 SFF:3 MB
- Pavilion p6796es:4 MB
Processor cache type
- Optiplex 780 SFF:L2
- Pavilion p6796es:Smart Cache
Bus type
- Optiplex 780 SFF:FSB
- Pavilion p6796es:DMI
Processor lithography
- Optiplex 780 SFF:45 nm
- Pavilion p6796es:32 nm

Side by side

Differences highlightedShow differences only

Comparison of Optiplex 780 SFF, Pavilion p6796es
157 specifications	A Dell Optiplex 780 SFF View product	B HP Pavilion p6796es View product
Processor17 differ
Processor familyDiffers	Intel® Core™2 Duo	Intel® Core™ i5
Processor generationKnown for one	Unknown — not stated by the source	Intel® Core™ i5
Processor modelDiffers	E7500	i5-650
Processor threadsDiffers	2	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.46 GHz
Processor frequencyDiffers	2.93 GHz	3.2 GHz
Processor cacheDiffers	3 MB	4 MB
Processor cache typeDiffers	L2	Smart Cache
Bus typeDiffers	FSB	DMI
System bus rateKnown for one	Unknown — not stated by the source	2.5 GT/s
Processor lithographyDiffers	45 nm	32 nm
Processor seriesDiffers	Intel Core 2 Duo E7000 Series	Intel Core i5-600 Desktop Series
Processor codenameDiffers	Wolfdale	Clarkdale
Thermal Design Power (TDP)Differs	65 W	73 W
TcaseDiffers	74.1 °C	72.6 °C
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x16, 2x8
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
Number of processors installedKnown for one	Unknown — not stated by the source	1
Processor socketDiffers	LGA 775 (Socket T)	LGA 1156 (Socket H)
Number of Processing Die TransistorsDiffers	228 M	382 M
Processing Die sizeDiffers	82 mm²	81 mm²
CPU multiplier (bus/core ratio)Differs	11	24
SteppingDiffers	R0	C2
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	16 GB
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3 1066/1333
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	21 GB/s
Processor front side busKnown for one	1066 MHz	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	2 GB	4 GB
Memory slotsKnown for one	Unknown — not stated by the source	4x DIMM
Memory channelsKnown for one	Unknown — not stated by the source	Dual-channel
Memory layout (slots x size)Known for one	1 x 2 GB	Unknown — not stated by the source
Storage4 differ
Total storage capacityDiffers	250 GB	500 GB
Optical drive typeDiffers	DVD-RW	DVD Super Multi
HDD interfaceDiffers	SATA	SATA II
Card reader integratedDiffers	No	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	CF, Memory Stick (MS), MicroDrive, miniSD, MMC, MMC+, MS Duo, MS PRO, MS PRO Duo, SD, xD
Drive device, buffer sizeKnown for one	16 MB	Unknown — not stated by the source
Floppy drive installedKnown for one	No	Unknown — not stated by the source
Storage drive average seek timeKnown for one	8.5 ms	Unknown — not stated by the source
Graphics2 differ
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelDiffers	Intel® GMA 4500	NVIDIA® GeForce® G405
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics
Number of displays supported (on-board graphics)Known for one	Unknown — not stated by the source	2
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	733 MHz
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	1.024 GB
Graphics card familyDiffers	Intel	NVIDIA
Graphics card RAMDACKnown for one	350 MHz	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® H57
Audio output channelsKnown for one	Unknown — not stated by the source	5.1 channels
Password protection typeKnown for one	BIOS	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	9	8
HDMI ports quantityDiffers	0	1
Headphone outputsDiffers	2	1
DVI portDiffers	No	Yes
Firewire (IEEE 1394) portsDiffers	0	1
S/PDIF out portKnown for one	Unknown — not stated by the source	Yes
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
PS/2 ports quantityKnown for one	0	Unknown — not stated by the source
eSATA ports quantityKnown for one	1	Unknown — not stated by the source
Serial ports quantityKnown for one	1	Unknown — not stated by the source
Parallel ports quantityKnown for one	1	Unknown — not stated by the source
Expansion slots1 differ
Number of 3.5" baysDiffers	2	3
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	3
Mini PCI Express slotsKnown for one	Unknown — not stated by the source	1
PCI slotsKnown for one	2	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	235 W	300 W
Power requirementsKnown for one	90 - 264 V	Unknown — not stated by the source
Design2 differ
Chassis typeDiffers	SFF	Desktop
Number of 5.25" baysDiffers	1	2
Country of originKnown for one	Unknown — not stated by the source	China
External drive baysKnown for one	1x 3.5", 1x 5.25"	Unknown — not stated by the source
Internal drive baysKnown for one	1x 3.5"	Unknown — not stated by the source
Software2 differ
Operating system installedDiffers	Windows 7 Professional	Windows 7 Home Premium
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Compatible operating systemsDiffers	Win 7 Ultimate/Vista Business/Vista Home Basic Ubuntu Linux	Windows 7
Processor special features12 differ
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	45 nm
Intel Dual Display Capable TechnologyDiffers	No	Yes
Intel FDI TechnologyDiffers	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
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	36 bit
Processor ARK IDDiffers	36503	43546
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.2
Thermal Monitoring TechnologiesDiffers	Yes	No
Intel® Turbo Boost TechnologyDiffers	No	1.0
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Processor codeKnown for one	SLB9Z	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	ALC888S
Weight & dimensions3 differ
WidthDiffers	92.6 mm	175 mm
DepthDiffers	340 mm	414 mm
HeightDiffers	314 mm	387 mm
WeightKnown for one	6.8 kg	Unknown — not stated by the source
Weight (imperial)Known for one	6.8 kg (15 lbs)	Unknown — not stated by the source
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Keyboard includedKnown for one	Unknown — not stated by the source	Yes
Certificatesidentical
CertificationKnown for one	EPEAT Gold, CECP, TCO 05, WEEE, CES, RoHS	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	50 - 95 °F	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 65 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	20 - 80%	Unknown — not stated by the source
Operating altitudeKnown for one	-15.2 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-15.2 - 10668 m	Unknown — not stated by the source
Other featuresidentical
HDD user passwordKnown for one	Yes	Unknown — not stated by the source

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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