Product comparison · 2 pcs/workstations

HP Pavilion 550-250na Intel® Core™ i5 i5-6400 vs HP 640 + Z23n

112specifications compared
67differ
45identical
60known for one product only

Key differences

Processor family
- Pavilion 550-250na Intel® Core™ i5 i5-6400:Intel® Core™ i5
- 640 + Z23n:Intel Xeon E5 v3
Processor model
- Pavilion 550-250na Intel® Core™ i5 i5-6400:i5-6400
- 640 + Z23n:E5-2620V3
Processor cores
- Pavilion 550-250na Intel® Core™ i5 i5-6400:4
- 640 + Z23n:6
Processor threads
- Pavilion 550-250na Intel® Core™ i5 i5-6400:4
- 640 + Z23n:12
Processor boost frequency
- Pavilion 550-250na Intel® Core™ i5 i5-6400:3.3 GHz
- 640 + Z23n:3.2 GHz
Processor frequency
- Pavilion 550-250na Intel® Core™ i5 i5-6400:2.7 GHz
- 640 + Z23n:2.4 GHz
Processor cache
- Pavilion 550-250na Intel® Core™ i5 i5-6400:6 MB
- 640 + Z23n:15 MB
Bus type
- Pavilion 550-250na Intel® Core™ i5 i5-6400:DMI3
- 640 + Z23n:QPI

Side by side

Differences highlightedShow differences only

Comparison of 550-250na, 640 + Z23n
172 specifications	A HP Pavilion 550-250na Intel® Core™ i5 i5-6400 Model 550-250na View product	B HP 640 + Z23n View product
Processor22 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel Xeon E5 v3
Processor generationKnown for one	6th gen Intel® Core™ i5	Unknown — not stated by the source
Processor modelDiffers	i5-6400	E5-2620V3
Processor coresDiffers	4	6
Processor threadsDiffers	4	12
Processor boost frequencyDiffers	3.3 GHz	3.2 GHz
Processor frequencyDiffers	2.7 GHz	2.4 GHz
Processor cacheDiffers	6 MB	15 MB
Processor cache type	Smart Cache	Smart Cache
Bus typeDiffers	DMI3	QPI
System bus rate	8 GT/s	8 GT/s
Processor lithographyDiffers	14 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-6400 Desktop series	Intel Xeon E5-2600 v3
Processor codenameDiffers	Skylake	Haswell
Thermal Design Power (TDP)Differs	65 W	85 W
TcaseDiffers	71 °C	72.6 °C
Maximum number of PCI Express lanesDiffers	16	40
PCI Express configurationsDiffers	1x16, 2x8, 1x8+2x4	x4, x8, x16
PCI Express slots version	3.0	3.0
Number of processors installed	1	1
Processor socketDiffers	LGA 1151 (Socket H4)	LGA 2011-v3
SteppingDiffers	R0	R2
Maximum internal memory supported by processorDiffers	64 GB	768 GB
Memory types supported by processorDiffers	DDR3L-SDRAM, DDR4-SDRAM	DDR4-SDRAM
Memory clock speeds supported by processorDiffers	2133,1333,1600,1866 MHz	1600,1866 MHz
Memory bandwidth supported by processor (max)Differs	34.1 GB/s	59 GB/s
ECC supported by processorDiffers	No	Yes
Memory voltage supported by processorKnown for one	1.35 V	Unknown — not stated by the source
FSB ParityKnown for one	Unknown — not stated by the source	No
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Memory7 differ
Internal memoryDiffers	8 GB	16 GB
Maximum internal memoryDiffers	16 GB	256 GB
Internal memory typeDiffers	DDR3L-SDRAM	DDR4-SDRAM
Memory layout (slots x size)Differs	2 x 4 GB	2 x 8 GB
Memory slotsDiffers	2x DIMM	4x DIMM
Memory clock speedDiffers	1600 MHz	2133 MHz
Memory channelsDiffers	Dual-channel	Quad-channel
Storageidentical
Total storage capacity	1 TB	1 TB
Optical drive type	DVD Super Multi	DVD Super Multi
Storage media	HDD	HDD
Number of storage drives installedKnown for one	1	Unknown — not stated by the source
Total HDDs capacity	1 TB	1 TB
Number of HDDs installed	1	1
HDD capacity	1 TB	1 TB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integrated	Yes	Yes
Graphics2 differ
Discrete graphics cardKnown for one	No	Unknown — not stated by the source
On-board graphics cardDiffers	Yes	No
Discrete graphics card model	Not available	Not available
On-board graphics card modelDiffers	Intel® HD Graphics 530	Not available
Maximum on-board graphics card memoryKnown for one	64 GB	Unknown — not stated by the source
Number of displays supported (on-board graphics)Known for one	3	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	350 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	950 MHz	Unknown — not stated by the source
On-board graphics card DirectX versionKnown for one	12.0	Unknown — not stated by the source
On-board graphics card IDKnown for one	1912	Unknown — not stated by the source
On-board graphics card OpenGL versionKnown for one	4.4	Unknown — not stated by the source
Performance2 differ
Product typeDiffers	PC	Workstation
Motherboard chipsetDiffers	Intel® H110	Intel® C612
Optical driveidentical
Optical drives quantity	1	1
Network1 differ
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Wi-FiDiffers	Yes	No
Top Wi-Fi standardKnown for one	Wi-Fi 5 (802.11ac)	Unknown — not stated by the source
Wi-Fi standardsKnown for one	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)	Unknown — not stated by the source
BluetoothKnown for one	Yes	Unknown — not stated by the source
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ports & interfaces5 differ
USB 2.0 ports quantity	2	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	4	8
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one	0	Unknown — not stated by the source
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	0	Unknown — not stated by the source
Thunderbolt 3 ports quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantityDiffers	2	0
Ethernet LAN (RJ-45) ports	1	1
Combo headphone/mic portKnown for one	Yes	Unknown — not stated by the source
Headphone outputsDiffers	0	1
Line-out	Yes	Yes
Line-in	Yes	Yes
Microphone inDiffers	No	Yes
VGA (D-Sub) ports quantity	0	0
DVI portDiffers	Yes	No
Mini DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
PS/2 ports quantityKnown for one	Unknown — not stated by the source	2
Expansion slotsidentical
PCI Express x1 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x1 (Gen 2.x) slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	180 W	925 W
Design1 differ
Chassis type	Mini Tower	Mini Tower
Placement supportedKnown for one	Vertical	Unknown — not stated by the source
Product colourDiffers	Silver	Black
Country of origin	China	China
Liquid cooling systemKnown for one	Unknown — not stated by the source	No
Software1 differ
Operating system installedDiffers	Windows 10 Home	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Pre-installed softwareKnown for one	Netflix	Unknown — not stated by the source
Trial softwareKnown for one	McAfee LiveSafe	Unknown — not stated by the source
Recovery operating systemKnown for one	Unknown — not stated by the source	Windows 8.1 Pro
Display1 differ
Display includedDiffers	No	Yes
Display diagonalKnown for one	Unknown — not stated by the source	58.4 cm (23")
Display typeKnown for one	Unknown — not stated by the source	LED
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)Differs	1	2
Embedded options availableDiffers	No	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	14 nm	Unknown — not stated by the source
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyDiffers	Yes	No
Intel Enhanced Halt State	Yes	Yes
Intel Identity Protection Technology versionDiffers	1.00	0.00
Intel Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) versionKnown for one	1.00	Unknown — not stated by the source
Intel Software Guard Extensions (Intel SGX)Known for one	Yes	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP)Known for one	No	Unknown — not stated by the source
Intel Stable Image Platform Program (SIPP) versionKnown for one	0.00	Unknown — not stated by the source
Intel TSX-NI	No	No
Intel TSX-NI version	0.00	0.00
Intel Trusted Execution TechnologyDiffers	No	Yes
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)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	Yes	No
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® Insider™Differs	Yes	No
Intel® OS Guard	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Smart Cache	Yes	Yes
Intel® Wireless Display (Intel® WiDi)Differs	Yes	No
Processor ARK IDDiffers	88185	83352
Processor codeDiffers	SR2BY	SR207
Processor package sizeDiffers	37.5 x 37.5 mm	52.5 x 45 mm
ScalabilityDiffers	1S	2S
Supported instruction setsDiffers	SSE4.2, AVX 2.0, SSE4.1	AVX
Thermal Monitoring Technologies	Yes	Yes
Thermal solution specificationKnown for one	PCG 2015C	Unknown — not stated by the source
Intel® Turbo Boost Technology	2.0	2.0
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® Identity Protection Technology (Intel® IPT)Differs	Yes	No
Conflict-Free processorDiffers	Yes	No
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	Yes
Intel Dual Display Capable TechnologyKnown for one	Unknown — not stated by the source	No
Intel FDI TechnologyKnown for one	Unknown — not stated by the source	No
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	No
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	No
Intel® Anti-Theft Technology (Intel® AT)Known for one	Unknown — not stated by the source	No
Brand-specific featuresidentical
HP Support AssistantKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	165 mm	175 mm
DepthDiffers	378 mm	464.8 mm
HeightDiffers	364 mm	444.5 mm
WeightDiffers	7.15 kg	15 kg
Sustainability1 differ
Sustainability certificatesDiffers	EPEAT Silver, ENERGY STAR	ENERGY STAR
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	HD
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	No
Keyboard includedKnown for one	Unknown — not stated by the source	No

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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