Product comparison · 2 pcs/workstations

Dell OptiPlex 390 SFF vs HP KK718ET+WS095ET workstation Intel® Xeon® 3000 Sequence W3550

93specifications compared
59differ
34identical
54known for one product only

Key differences

Processor family
- OptiPlex 390 SFF:Intel® Core™ i5
- KK718ET+WS095ET workstation Intel® Xeon® 3000 Sequence W3550:Intel® Xeon® 3000 Sequence
Processor model
- OptiPlex 390 SFF:i5-2400
- KK718ET+WS095ET workstation Intel® Xeon® 3000 Sequence W3550:W3550
Processor threads
- OptiPlex 390 SFF:4
- KK718ET+WS095ET workstation Intel® Xeon® 3000 Sequence W3550:8
Processor boost frequency
- OptiPlex 390 SFF:3.4 GHz
- KK718ET+WS095ET workstation Intel® Xeon® 3000 Sequence W3550:3.33 GHz
Processor frequency
- OptiPlex 390 SFF:3.1 GHz
- KK718ET+WS095ET workstation Intel® Xeon® 3000 Sequence W3550:3.06 GHz
Processor cache
- OptiPlex 390 SFF:6 MB
- KK718ET+WS095ET workstation Intel® Xeon® 3000 Sequence W3550:8 MB
Bus type
- OptiPlex 390 SFF:DMI
- KK718ET+WS095ET workstation Intel® Xeon® 3000 Sequence W3550:QPI
System bus rate
- OptiPlex 390 SFF:5 GT/s
- KK718ET+WS095ET workstation Intel® Xeon® 3000 Sequence W3550:4.8 GT/s

Side by side

Differences highlightedShow differences only

Comparison of OptiPlex 390 SFF, KK718ET+WS095ET
147 specifications	A Dell OptiPlex 390 SFF View product	B HP KK718ET+WS095ET workstation Intel® Xeon® 3000 Sequence W3550 Model KK718ET+WS095ET View product
Processor19 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Xeon® 3000 Sequence
Processor modelDiffers	i5-2400	W3550
Processor cores	4	4
Processor threadsDiffers	4	8
Processor boost frequencyDiffers	3.4 GHz	3.33 GHz
Processor frequencyDiffers	3.1 GHz	3.06 GHz
Processor cacheDiffers	6 MB	8 MB
Processor cache type	Smart Cache	Smart Cache
Bus typeDiffers	DMI	QPI
FSB Parity	No	No
System bus rateDiffers	5 GT/s	4.8 GT/s
Processor lithographyDiffers	32 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-2400 Desktop Series	Intel Xeon 3500 Series
Processor codenameDiffers	Sandy Bridge	Bloomfield
Thermal Design Power (TDP)Differs	95 W	130 W
TcaseDiffers	72.6 °C	67.9 °C
Number of QPI linksKnown for one	Unknown — not stated by the source	1
Number of processors installed	1	1
Processor socketDiffers	LGA 1155 (Socket H2)	Socket B (LGA 1366)
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	731 M
Processing Die sizeKnown for one	Unknown — not stated by the source	263 mm²
CPU multiplier (bus/core ratio)Differs	31	23
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.225 V
SteppingKnown for one	Unknown — not stated by the source	D0
Maximum internal memory supported by processorDiffers	32 GB	24 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	1066,1333 MHz	800,1066 MHz
Memory bandwidth supported by processor (max)Differs	21 GB/s	25.6 GB/s
ECC supported by processorDiffers	No	Yes
Processor generationKnown for one	2nd gen Intel® Core™ i5	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
PlatformKnown for one	PC	Unknown — not stated by the source
Memory5 differ
Internal memoryDiffers	4 GB	3 GB
Maximum internal memoryDiffers	8 GB	24 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	1 x 4 GB	3 x 1 GB
Memory slotsDiffers	2x DIMM	6x DIMM
Memory clock speed	1333 MHz	1333 MHz
ECCKnown for one	Unknown — not stated by the source	Yes
Memory channelsDiffers	Dual-channel	Triple-channel
Storage2 differ
Optical drive typeDiffers	DVD-RW	DVD Super Multi
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD interfaceDiffers	SATA II	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integratedKnown for one	Unknown — not stated by the source	Yes
RAID supportKnown for one	Unknown — not stated by the source	Yes
RAID levelsKnown for one	Unknown — not stated by the source	0, 1, 5, 10
Total storage capacityKnown for one	500 GB	Unknown — not stated by the source
Graphicsidentical
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	2.048 GB
Graphics cardKnown for one	Unknown — not stated by the source	Quadro 4000
Graphics card familyKnown for one	Unknown — not stated by the source	NVIDIA
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card modelKnown for one	Intel® HD Graphics 2000	Unknown — not stated by the source
Number of displays supported (on-board graphics)Known for one	2	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	850 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	1100 MHz	Unknown — not stated by the source
On-board graphics card IDKnown for one	0x102	Unknown — not stated by the source
Performance2 differ
Product typeDiffers	PC	Workstation
Motherboard chipsetDiffers	Intel® H61	Intel® X58 Express
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Networkidentical
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet (10/100/1000)
Ethernet LANKnown for one	No	Unknown — not stated by the source
Ports & interfaces3 differ
USB 2.0 ports quantity	8	8
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	0
DisplayPorts quantityKnown for one	Unknown — not stated by the source	2
Ethernet LAN (RJ-45) ports	1	1
Headphone outputsDiffers	1	2
Microphone in	Yes	Yes
VGA (D-Sub) ports quantityDiffers	1	0
PS/2 ports quantityKnown for one	Unknown — not stated by the source	2
Firewire (IEEE 1394) portsDiffers	0	1
Serial ports quantityKnown for one	Unknown — not stated by the source	0
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
DVI-I ports quantityKnown for one	Unknown — not stated by the source	1
HDMI ports quantityKnown for one	1	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
DVI portKnown for one	No	Unknown — not stated by the source
Expansion slots2 differ
Number of 3.5" baysDiffers	1	2
PCI Express x8 slotsKnown for one	Unknown — not stated by the source	2
PCI Express x16 slotsDiffers	1	2
PCI slotsKnown for one	Unknown — not stated by the source	2
PCI Express x1 slotsKnown for one	1	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	240 W	475 W
Design2 differ
Chassis typeDiffers	SFF	Minitower
Number of 5.25" baysDiffers	1	3
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
Product colour	Black, Silver	Black, Silver
External drive baysKnown for one	Unknown — not stated by the source	3 x 5.25"
Internal drive baysKnown for one	Unknown — not stated by the source	2 x 3.5"
Country of originKnown for one	Unknown — not stated by the source	China
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Compatible operating systemsKnown for one	Windows 7 Home Premium Windows 7 Professional Windows 7 Ultimate	Unknown — not stated by the source
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Displayidentical
Display included	No	No
Processor special features19 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 Technology	No	No
Intel Demand Based SwitchingDiffers	No	Yes
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel Rapid Storage Technology	No	No
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)	No	No
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® Insider™Differs	Yes	No
Intel® Wireless Display (Intel® WiDi)	No	No
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Processor ARK IDDiffers	52207	39720
Processor package sizeDiffers	37.5 x 37.5 mm	42.5 x 45.0 mm
Supported instruction setsDiffers	AVX	SSE4.2
Thermal Monitoring TechnologiesDiffers	Yes	No
Intel® Turbo Boost TechnologyDiffers	2.0	1.0
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	Realtek ALC262
Weight & dimensions4 differ
WidthDiffers	93 mm	66 mm
DepthDiffers	312 mm	179 mm
HeightDiffers	290 mm	177 mm
WeightDiffers	5.7 kg	13.5 kg
Packaging contentidentical
Mouse includedKnown for one	No	Unknown — not stated by the source
Keyboard includedKnown for one	No	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	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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