Product comparison · 2 all-in-one pcs/workstations

HP All-in-One - 22-b021na vs HP Pavilion 27-a155na All-in-One

107specifications compared
42differ
65identical
63known for one product only

Key differences

Display diagonal
- All-in-One - 22-b021na:54.6 cm (21.5")
- Pavilion 27-a155na All-in-One:68.6 cm (27")
Processor family
- All-in-One - 22-b021na:Intel® Pentium®
- Pavilion 27-a155na All-in-One:Intel® Core™ i5
Processor model
- All-in-One - 22-b021na:J3710
- Pavilion 27-a155na All-in-One:i5-6400T
Processor boost frequency
- All-in-One - 22-b021na:2.64 GHz
- Pavilion 27-a155na All-in-One:2.8 GHz
Processor frequency
- All-in-One - 22-b021na:1.6 GHz
- Pavilion 27-a155na All-in-One:2.2 GHz
Processor cache
- All-in-One - 22-b021na:2 MB
- Pavilion 27-a155na All-in-One:6 MB
Processor cache type
- All-in-One - 22-b021na:L2
- Pavilion 27-a155na All-in-One:Smart Cache
Thermal Design Power (TDP)
- All-in-One - 22-b021na:6.5 W
- Pavilion 27-a155na All-in-One:35 W

Side by side

Differences highlightedShow differences only

Comparison of 22-b021na, 27-a155na
170 specifications	A HP All-in-One - 22-b021na Model 22-b021na View product	B HP Pavilion 27-a155na All-in-One Model 27-a155na View product
Display1 differ
Display diagonalDiffers	54.6 cm (21.5")	68.6 cm (27")
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
Touchscreen	No	No
HD type	Full HD	Full HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Panel typeKnown for one	Unknown — not stated by the source	IPS
Screen shape	Flat	Flat
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium®	Intel® Core™ i5
Processor generationKnown for one	Unknown — not stated by the source	6th gen Intel® Core™ i5
Processor modelDiffers	J3710	i5-6400T
Processor cores	4	4
Processor threads	4	4
Processor boost frequencyDiffers	2.64 GHz	2.8 GHz
Processor frequencyDiffers	1.6 GHz	2.2 GHz
Processor cacheDiffers	2 MB	6 MB
Processor cache typeDiffers	L2	Smart Cache
Processor socketKnown for one	Unknown — not stated by the source	LGA 1151 (Socket H4)
System bus rateKnown for one	Unknown — not stated by the source	8 GT/s
Thermal Design Power (TDP)Differs	6.5 W	35 W
Bus typeKnown for one	Unknown — not stated by the source	DMI3
Maximum number of PCI Express lanesDiffers	4	16
PCI Express configurationsDiffers	1x2+2x1, 1x4, 2x2, 4x1	1x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers	2.0	3.0
Processor codeKnown for one	Unknown — not stated by the source	SR2BS
Processor codenameDiffers	Braswell	Skylake
Processor lithography	14 nm	14 nm
Processor operating modes	64-bit	64-bit
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core i5-6400 Desktop series
SteppingKnown for one	Unknown — not stated by the source	R0
TcaseKnown for one	Unknown — not stated by the source	66 °C
Conflict-Free processor	Yes	Yes
Maximum internal memory supported by processorDiffers	8 GB	64 GB
Memory types supported by processorDiffers	DDR3L-SDRAM	DDR3L-SDRAM, DDR4-SDRAM
Memory clock speeds supported by processorDiffers	1600 MHz	2133,1333,1600,1866 MHz
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	34.1 GB/s
Memory channels supported by processor	Dual	Dual
ECC supported by processor	No	No
Memory voltage supported by processorKnown for one	Unknown — not stated by the source	1.35 V
Integrated 4G WiMAXKnown for one	No	Unknown — not stated by the source
TjunctionKnown for one	90 °C	Unknown — not stated by the source
Memory3 differ
Internal memory	8 GB	8 GB
Internal memory typeDiffers	DDR3L-SDRAM	DDR4-SDRAM
Maximum internal memoryKnown for one	Unknown — not stated by the source	16 GB
Memory slots	2	2
Memory slots typeDiffers	DIMM	SO-DIMM
Memory clock speedDiffers	1600 MHz	2133 MHz
Memory layout (slots x size)	1 x 8 GB	1 x 8 GB
Memory form factor	DIMM/SO-DIMM	DIMM/SO-DIMM
Storage4 differ
Total storage capacityDiffers	1 TB	2 TB
Storage media	HDD	HDD
Number of storage drives installedKnown for one	Unknown — not stated by the source	1
Total HDDs capacityDiffers	1 TB	2 TB
Number of HDDs installed	1	1
HDD capacityDiffers	1 TB	2 TB
HDD speedDiffers	7200 RPM	5400 RPM
HDD interface	SATA	SATA
Optical drive type	DVD Super Multi	DVD Super Multi
Card reader integrated	Yes	Yes
Compatible memory cards	SD, SDHC, SDXC	SD, SDHC, SDXC
Graphics5 differ
Discrete graphics card model	Not available	Not available
On-board graphics card	Yes	Yes
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 405	Intel® HD Graphics 530
Maximum on-board graphics card memoryDiffers	8 GB	1.7 GB
Number of displays supported (on-board graphics)	3	3
On-board graphics card base frequencyDiffers	400 MHz	350 MHz
On-board graphics card burst frequencyDiffers	740 MHz	950 MHz
On-board graphics card dynamic frequency (max)Differs	740 MHz	950 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	0x1912
On-board graphics card OpenGL versionKnown for one	Unknown — not stated by the source	4.4
Discrete graphics cardKnown for one	No	Unknown — not stated by the source
Number of execution unitsKnown for one	18	Unknown — not stated by the source
Audioidentical
Built-in speaker(s)	Yes	Yes
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Dolby technologiesKnown for one	DTS Studio Sound	Unknown — not stated by the source
Cameraidentical
Built-in camera	Yes	Yes
Network2 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth	Yes	Yes
Bluetooth versionDiffers	4.0	4.2
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Ports & interfaces2 differ
Ethernet LAN (RJ-45) portsDiffers	1	0
USB 2.0 ports quantity	2	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityDiffers	0	1
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 quantity	0	0
Thunderbolt 3 ports quantity	0	0
Thunderbolt ports quantity	0	0
HDMI ports quantity	1	1
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	0
Headphone outputs	0	0
Microphone in	No	No
Combo headphone/mic port	Yes	Yes
DC-in jack	Yes	Yes
VGA (D-Sub) ports quantityKnown for one	0	Unknown — not stated by the source
Design1 differ
Product colourDiffers	Turquoise, White	White
Country of origin	China	China
Performanceidentical
Product type	All-in-One PC	All-in-One PC
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® H170
Softwareidentical
Operating system installed	Windows 10 Home	Windows 10 Home
Operating system architecture	64-bit	64-bit
Processor special features6 differ
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep TechnologyKnown for one	Unknown — not stated by the source	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	14 nm
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	Yes	Yes
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	Yes
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
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)	No	No
Intel Stable Image Platform Program (SIPP) versionKnown for one	Unknown — not stated by the source	0.00
Intel TSX-NIKnown for one	Unknown — not stated by the source	No
Intel TSX-NI versionKnown for one	Unknown — not stated by the source	0.00
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)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Known for one	Unknown — not stated by the source	Yes
Intel® OS GuardDiffers	No	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	Yes
Processor ARK IDDiffers	91532	88187
Processor package sizeDiffers	25 x 27 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 Technologies	Yes	Yes
Thermal solution specificationKnown for one	Unknown — not stated by the source	PCG 2015A
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Secure BootKnown for one	Yes	Unknown — not stated by the source
Intel Smart Connect TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Intel® High Definition Audio (Intel® HD Audio)Known for one	Yes	Unknown — not stated by the source
Intel® Smart Response TechnologyKnown for one	No	Unknown — not stated by the source
UARTKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
Width (with stand)Differs	539 mm	654.8 mm
Depth (with stand)Differs	184 mm	203.5 mm
Height (with stand)Differs	397 mm	553.4 mm
Weight (with stand)Differs	5.53 kg	10.3 kg
Package weightKnown for one	7.37 kg	Unknown — not stated by the source
Packaging contentidentical
Mouse included	Yes	Yes
Keyboard included	Yes	Yes
Warranty cardKnown for one	Yes	Unknown — not stated by the source
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Power cord includedKnown for one	Yes	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Detachable display	No	No
Autonomy modeKnown for one	No	Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	EPEAT Silver, 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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