Product comparison · 2 pcs/workstations

Dell OptiPlex 390 Intel® Core™ i3 i3-2120 vs HP Pavilion 2020es Intel® Pentium® G620

92specifications compared
34differ
58identical
48known for one product only

Key differences

The Dell OptiPlex 390 Intel® Core™ i3 i3-2120 has 2 more processor threads than the HP Pavilion 2020es Intel® Pentium® G620 (4 vs 2). The Dell OptiPlex 390 Intel® Core™ i3 i3-2120 has 0.7 GHz more processor frequency than the HP Pavilion 2020es Intel® Pentium® G620 (3.3 GHz vs 2.6 GHz). The Dell OptiPlex 390 Intel® Core™ i3 i3-2120 has 7 more CPU multiplier (bus/core ratio) than the HP Pavilion 2020es Intel® Pentium® G620 (33 vs 26). Only the HP Pavilion 2020es Intel® Pentium® G620 has DVI port. Only the Dell OptiPlex 390 Intel® Core™ i3 i3-2120 has embedded options available.

Processor family
- OptiPlex 390 Intel® Core™ i3 i3-2120:Intel® Core™ i3
- Pavilion 2020es Intel® Pentium® G620:Intel® Pentium®
Processor model
- OptiPlex 390 Intel® Core™ i3 i3-2120:i3-2120
- Pavilion 2020es Intel® Pentium® G620:G620
Processor threads
- OptiPlex 390 Intel® Core™ i3 i3-2120:4
- Pavilion 2020es Intel® Pentium® G620:2
Processor frequency
- OptiPlex 390 Intel® Core™ i3 i3-2120:3.3 GHz
- Pavilion 2020es Intel® Pentium® G620:2.6 GHz
CPU multiplier (bus/core ratio)
- OptiPlex 390 Intel® Core™ i3 i3-2120:33
- Pavilion 2020es Intel® Pentium® G620:26
Memory types supported by processor
- OptiPlex 390 Intel® Core™ i3 i3-2120:DDR3 1066/1333
- Pavilion 2020es Intel® Pentium® G620:DDR3-SDRAM
Memory bandwidth supported by processor (max)
- OptiPlex 390 Intel® Core™ i3 i3-2120:21 GB/s
- Pavilion 2020es Intel® Pentium® G620:17 GB/s
Internal memory
- OptiPlex 390 Intel® Core™ i3 i3-2120:2 GB
- Pavilion 2020es Intel® Pentium® G620:6 GB

Side by side

Differences highlightedShow differences only

Comparison of 390, 2020es
140 specifications	A Dell OptiPlex 390 Intel® Core™ i3 i3-2120 Model 390 View product	B HP Pavilion 2020es Intel® Pentium® G620 Model 2020es View product
Processor8 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Pentium®
Processor modelDiffers	i3-2120	G620
Processor cores	2	2
Processor threadsDiffers	4	2
Processor frequencyDiffers	3.3 GHz	2.6 GHz
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	DMI	DMI
System bus rate	5 GT/s	5 GT/s
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i3-2100 Desktop Series	Intel Pentium G600 Series for Desktop
Processor codename	Sandy Bridge	Sandy Bridge
Thermal Design Power (TDP)	65 W	65 W
Tcase	69.1 °C	69.1 °C
PCI Express slots version	2.0	2.0
Number of processors installed	1	1
Processor socket	LGA 1155 (Socket H2)	LGA 1155 (Socket H2)
CPU multiplier (bus/core ratio)Differs	33	26
PlatformKnown for one	Unknown — not stated by the source	PC
SteppingKnown for one	Unknown — not stated by the source	Q0
Maximum internal memory supported by processor	32 GB	32 GB
Memory types supported by processorDiffers	DDR3 1066/1333	DDR3-SDRAM
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	1066 MHz
Memory bandwidth supported by processor (max)Differs	21 GB/s	17 GB/s
Processor generationKnown for one	2nd gen Intel® Core™ i3	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memory2 differ
Internal memoryDiffers	2 GB	6 GB
Maximum internal memoryDiffers	4 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Memory clock speed	1333 MHz	1333 MHz
Memory channels	Dual-channel	Dual-channel
Memory layout (slots x size)Known for one	2 x 1 GB	Unknown — not stated by the source
Storage3 differ
Total storage capacityDiffers	250 GB	1 TB
Optical drive typeDiffers	DVD-ROM	DVD Super Multi
Storage mediaKnown for one	Unknown — not stated by the source	HDD
Total HDDs capacityKnown for one	Unknown — not stated by the source	1 TB
Number of HDDs installed	1	1
HDD interfaceDiffers	SATA III	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integratedKnown for one	Unknown — not stated by the source	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	MMC, MMC+, MS PRO, SD, SDHC, xD
HDD capacityKnown for one	250 GB	Unknown — not stated by the source
Graphics1 differ
On-board graphics card	Yes	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Not available
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 2000	Intel® HD Graphics
Number of displays supported (on-board graphics)	2	2
On-board graphics card base frequency	850 MHz	850 MHz
On-board graphics card dynamic frequency (max)	1100 MHz	1100 MHz
Graphics card family	Intel	Intel
On-board graphics card IDKnown for one	0x102	Unknown — not stated by the source
Performanceidentical
Product type	PC	PC
Motherboard chipset	Intel® H61	Intel® H61
Audio output channelsKnown for one	Unknown — not stated by the source	5.1 channels
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	40x
CD write speedKnown for one	Unknown — not stated by the source	40x
CD rewrite speedKnown for one	Unknown — not stated by the source	32x
BD interface typeKnown for one	Unknown — not stated by the source	SATA
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Wi-FiKnown for one	Unknown — not stated by the source	No
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	10	6
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
HDMI ports quantityDiffers	1	0
Ethernet LAN (RJ-45) ports	1	1
Headphone outputsDiffers	2	1
Line-outKnown for one	Unknown — not stated by the source	Yes
Line-in	Yes	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI portDiffers	No	Yes
PS/2 ports quantityKnown for one	Unknown — not stated by the source	0
Firewire (IEEE 1394) ports	0	0
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Serial ports quantityKnown for one	Unknown — not stated by the source	0
Parallel ports quantity	0	0
Expansion slotsidentical
PCI Express x1 slots	3	3
PCI Express x16 slots	1	1
Mini PCI Express slotsKnown for one	Unknown — not stated by the source	1
Power1 differ
Power supplyDiffers	250 W	300 W
Power supply input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Power consumption (typical)Known for one	Unknown — not stated by the source	240 W
Design1 differ
Chassis typeDiffers	Desktop	Mini Tower
Product colour	Black	Black
Country of originKnown for one	Unknown — not stated by the source	China
Software1 differ
Operating system installedKnown for one	Unknown — not stated by the source	Windows 7 Home Premium
Operating system architectureDiffers	32-bit	64-bit
Displayidentical
Display includedKnown for one	Unknown — not stated by the source	No
Processor special features8 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 Dual Display Capable Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Trusted Execution Technology	No	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)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® Insider™Differs	Yes	No
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	53426	53480
Processor codeKnown for one	Unknown — not stated by the source	SR05R
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction setsDiffers	AVX	SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Intel® Turbo Boost Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Quick Sync Video TechnologyDiffers	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® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
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
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	Realtek ALC656
Weight & dimensions4 differ
WidthDiffers	102 mm	165 mm
DepthDiffers	410 mm	389 mm
HeightDiffers	360 mm	368 mm
WeightDiffers	7.56 kg	8 kg
Packaging content1 differ
Mouse includedDiffers	No	Yes
Numeric keypadKnown for one	Unknown — not stated by the source	Yes
Keyboard includedKnown for one	No	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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