Product comparison · 2 pcs/workstations

Dell OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM vs HP 400 G3 SFF + EliteDisplay E232

89specifications compared
49differ
40identical
87known for one product only

Key differences

The HP 400 G3 SFF + EliteDisplay E232 has 2 more processor cores than the Dell OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM (4 vs 2). The HP 400 G3 SFF + EliteDisplay E232 has 2 more processor threads than the Dell OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM (4 vs 2). The HP 400 G3 SFF + EliteDisplay E232 has 0.4 GHz more processor frequency than the Dell OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM (3.2 GHz vs 2.8 GHz). Only the HP 400 G3 SFF + EliteDisplay E232 has display included. Only the HP 400 G3 SFF + EliteDisplay E232 has embedded options available.

Processor family
- OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM:Intel® Pentium® D
- 400 G3 SFF + EliteDisplay E232:Intel® Core™ i5
Processor model
- OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM:820
- 400 G3 SFF + EliteDisplay E232:i5-6500
Processor cores
- OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM:2
- 400 G3 SFF + EliteDisplay E232:4
Processor threads
- OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM:2
- 400 G3 SFF + EliteDisplay E232:4
Processor frequency
- OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM:2.8 GHz
- 400 G3 SFF + EliteDisplay E232:3.2 GHz
Processor cache
- OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM:2 MB
- 400 G3 SFF + EliteDisplay E232:6 MB
Processor cache type
- OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM:L2
- 400 G3 SFF + EliteDisplay E232:Smart Cache
Bus type
- OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM:FSB
- 400 G3 SFF + EliteDisplay E232:DMI3

Side by side

Differences highlightedShow differences only

Comparison of GX520, 400 G3 SFF + EliteDisplay E232
176 specifications	A Dell OptiPlex GX520 Intel® Pentium® D 820 DDR2-SDRAM Model GX520 View product	B HP 400 G3 SFF + EliteDisplay E232 View product
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium® D	Intel® Core™ i5
Processor generationKnown for one	Unknown — not stated by the source	6th gen Intel® Core™ i5
Processor modelDiffers	820	i5-6500
Processor coresDiffers	2	4
Processor threadsDiffers	2	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.6 GHz
Processor frequencyDiffers	2.8 GHz	3.2 GHz
Processor cacheDiffers	2 MB	6 MB
Processor cache typeDiffers	L2	Smart Cache
Bus typeDiffers	FSB	DMI3
FSB Parity	No	No
System bus rateKnown for one	Unknown — not stated by the source	8 GT/s
Processor lithographyDiffers	90 nm	14 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Pentium D 800 Series	Intel Core i5-6500 Desktop series
Processor codenameDiffers	Smithfield	Skylake
Thermal Design Power (TDP)Differs	95 W	65 W
TcaseDiffers	64.1 °C	71 °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, 1x8+2x4
PCI Express slots versionKnown for one	Unknown — not stated by the source	3.0
Number of processors installed	1	1
Processor socketDiffers	LGA 775 (Socket T)	LGA 1151 (Socket H4)
SteppingKnown for one	Unknown — not stated by the source	R0
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	64 GB
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3L-SDRAM, DDR4-SDRAM
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	2133,1333,1600,1866 MHz
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	34.1 GB/s
ECC supported by processor	No	No
Memory voltage supported by processorKnown for one	Unknown — not stated by the source	1.35 V
Processor front side busKnown for one	800 MHz	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	230 M	Unknown — not stated by the source
Processing Die sizeKnown for one	206 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	14	Unknown — not stated by the source
Processor core voltage (AC)Known for one	1.25 - 1.40 V	Unknown — not stated by the source
Memory2 differ
Internal memoryKnown for one	Unknown — not stated by the source	4 GB
Maximum internal memoryDiffers	2 GB	32 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR4-SDRAM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Memory slots	2x DIMM	2x DIMM
Memory clock speedKnown for one	Unknown — not stated by the source	2133 MHz
Memory channelsKnown for one	Unknown — not stated by the source	Dual-channel
Non-ECCKnown for one	Yes	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	80 GB	128 GB
Optical drive type	DVD Super Multi	DVD Super Multi
Storage mediaDiffers	HDD	SSD
Total SSDs capacityKnown for one	Unknown — not stated by the source	128 GB
Number of SSDs installedKnown for one	Unknown — not stated by the source	1
SSD capacityKnown for one	Unknown — not stated by the source	128 GB
SSD interfaceKnown for one	Unknown — not stated by the source	SATA
Card reader integratedKnown for one	Unknown — not stated by the source	No
Number of storage drives installedKnown for one	1	Unknown — not stated by the source
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	80 GB	Unknown — not stated by the source
HDD interfaceKnown for one	SATA II	Unknown — not stated by the source
Graphics2 differ
Discrete graphics cardKnown for one	Unknown — not stated by the source	No
On-board graphics card	Yes	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Not available
On-board graphics card familyDiffers	Intel® GMA	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® GMA 950	Intel® HD Graphics 530
Maximum on-board graphics card memoryKnown for one	Unknown — not stated by the source	1.74 GB
Number of displays supported (on-board graphics)Known for one	Unknown — not stated by the source	3
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	350 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	1050 MHz
On-board graphics card DirectX versionKnown for one	Unknown — not stated by the source	12.0
On-board graphics card IDKnown for one	Unknown — not stated by the source	1912
On-board graphics card OpenGL versionKnown for one	Unknown — not stated by the source	4.4
Performance1 differ
Product type	PC	PC
Motherboard chipsetDiffers	Intel® 945G	Intel® H110
Optical driveidentical
Optical drives quantity	1	1
BD interface typeKnown for one	Unknown — not stated by the source	SATA
Networkidentical
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Wi-Fi	No	No
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	8	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity	0	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	0	0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	Unknown — not stated by the source	0
Thunderbolt 3 ports quantityKnown for one	Unknown — not stated by the source	0
DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
HDMI ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-out	Yes	Yes
Line-in	Yes	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
DVI port	No	No
PS/2 ports quantityKnown for one	Unknown — not stated by the source	2
Serial ports quantity	1	1
Parallel ports quantityKnown for one	1	Unknown — not stated by the source
Expansion slotsidentical
PCI Express x1 (Gen 2.x) slotsKnown for one	Unknown — not stated by the source	1
PCI Express x16 (Gen 3.x) slotsKnown for one	Unknown — not stated by the source	1
Power1 differ
Power supplyDiffers	220 W	180 W
Design1 differ
Chassis typeDiffers	Desktop	SFF
Liquid cooling systemKnown for one	Unknown — not stated by the source	No
Product colour	Black	Black
Country of originKnown for one	Unknown — not stated by the source	China
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Recovery operating systemKnown for one	Unknown — not stated by the source	Windows 10 Pro
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Display1 differ
Display includedDiffers	No	Yes
Display diagonalKnown for one	Unknown — not stated by the source	58.4 cm (23")
Full HDKnown for one	Unknown — not stated by the source	Yes
Display resolutionKnown for one	Unknown — not stated by the source	1920 x 1080 pixels
Panel typeKnown for one	Unknown — not stated by the source	IPS
Native aspect ratioKnown for one	Unknown — not stated by the source	16:9
Contrast ratio (typical)Known for one	Unknown — not stated by the source	1000:1
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Viewing angle, horizontalKnown for one	Unknown — not stated by the source	178°
Viewing angle, verticalKnown for one	Unknown — not stated by the source	178°
Processor special features19 differ
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Embedded options availableDiffers	No	Yes
Enhanced Intel SpeedStep TechnologyDiffers	No	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	14 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyDiffers	No	Yes
Intel Demand Based Switching	No	No
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 Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Rapid Storage Technology	No	No
Intel Secure Key Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Small Business Advantage (SBA) versionKnown for one	Unknown — not stated by the source	1.00
Intel Software Guard Extensions (Intel SGX)Known for one	Unknown — not stated by the source	Yes
Intel Stable Image Platform Program (SIPP)Known for one	Unknown — not stated by the source	Yes
Intel Stable Image Platform Program (SIPP) versionKnown for one	Unknown — not stated by the source	1.00
Intel TSX-NIKnown for one	Unknown — not stated by the source	Yes
Intel TSX-NI versionKnown for one	Unknown — not stated by the source	1.00
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology (VT-x)Differs	No	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
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	No	Yes
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® OS GuardKnown for one	Unknown — not stated by the source	Yes
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Intel® Smart CacheDiffers	No	Yes
Intel® Wireless Display (Intel® WiDi)Differs	No	Yes
Processor ARK IDDiffers	27512	88184
Processor codeKnown for one	Unknown — not stated by the source	SR2BX
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
ScalabilityKnown for one	Unknown — not stated by the source	1S
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.2, AVX 2.0, SSE4.1
Thermal Monitoring TechnologiesDiffers	No	Yes
Thermal solution specificationKnown for one	Unknown — not stated by the source	PCG 2015C
Intel® Turbo Boost TechnologyDiffers	No	2.0
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® Quick Sync Video TechnologyDiffers	No	Yes
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processorDiffers	No	Yes
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	DTS Sound+
Weight & dimensions3 differ
WidthDiffers	114.3 mm	95 mm
DepthDiffers	347.7 mm	299.5 mm
HeightDiffers	395.9 mm	270 mm
WeightKnown for one	Unknown — not stated by the source	4.43 kg
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	No
Keyboard includedKnown for one	Unknown — not stated by the source	Yes
ManualKnown for one	Yes	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold, ENERGY STAR
Other featuresidentical
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise, Small Business

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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