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

HP Pavilion 27-a155na All-in-One vs HP Pavilion 27-a175na All-in-One

141specifications compared
19differ
122identical
4known for one product only

Key differences

Processor family
- Pavilion 27-a155na All-in-One:Intel® Core™ i5
- Pavilion 27-a175na All-in-One:Intel® Core™ i7
Processor generation
- Pavilion 27-a155na All-in-One:6th gen Intel® Core™ i5
- Pavilion 27-a175na All-in-One:6th gen Intel® Core™ i7
Processor model
- Pavilion 27-a155na All-in-One:i5-6400T
- Pavilion 27-a175na All-in-One:i7-6700T
Processor threads
- Pavilion 27-a155na All-in-One:4
- Pavilion 27-a175na All-in-One:8
Processor boost frequency
- Pavilion 27-a155na All-in-One:2.8 GHz
- Pavilion 27-a175na All-in-One:3.6 GHz
Processor frequency
- Pavilion 27-a155na All-in-One:2.2 GHz
- Pavilion 27-a175na All-in-One:2.8 GHz
Processor cache
- Pavilion 27-a155na All-in-One:6 MB
- Pavilion 27-a175na All-in-One:8 MB
Processor code
- Pavilion 27-a155na All-in-One:SR2BS
- Pavilion 27-a175na All-in-One:SR2BU

Side by side

Differences highlightedShow differences only

Comparison of 27-a155na, 27-a175na
145 specifications	A HP Pavilion 27-a155na All-in-One Model 27-a155na View product	B HP Pavilion 27-a175na All-in-One Model 27-a175na View product
Displayidentical
Display diagonal	68.6 cm (27")	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 type	IPS	IPS
Screen shape	Flat	Flat
Processor9 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor generationDiffers	6th gen Intel® Core™ i5	6th gen Intel® Core™ i7
Processor modelDiffers	i5-6400T	i7-6700T
Processor cores	4	4
Processor threadsDiffers	4	8
Processor boost frequencyDiffers	2.8 GHz	3.6 GHz
Processor frequencyDiffers	2.2 GHz	2.8 GHz
Processor cacheDiffers	6 MB	8 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	LGA 1151 (Socket H4)	LGA 1151 (Socket H4)
System bus rate	8 GT/s	8 GT/s
Thermal Design Power (TDP)	35 W	35 W
Bus type	DMI3	DMI3
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
PCI Express slots version	3.0	3.0
Processor codeDiffers	SR2BS	SR2BU
Processor codename	Skylake	Skylake
Processor lithography	14 nm	14 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-6400 Desktop series	Intel Core i7-6700 Desktop series
Stepping	R0	R0
Tcase	66 °C	66 °C
Conflict-Free processor	Yes	Yes
Maximum internal memory supported by processor	64 GB	64 GB
Memory types supported by processor	DDR3L-SDRAM, DDR4-SDRAM	DDR3L-SDRAM, DDR4-SDRAM
Memory clock speeds supported by processor	2133,1333,1600,1866 MHz	2133,1333,1600,1866 MHz
Memory bandwidth supported by processor (max)	34.1 GB/s	34.1 GB/s
Memory channels supported by processor	Dual	Dual
ECC supported by processor	No	No
Memory voltage supported by processor	1.35 V	1.35 V
Memoryidentical
Internal memory	8 GB	8 GB
Internal memory type	DDR4-SDRAM	DDR4-SDRAM
Maximum internal memory	16 GB	16 GB
Memory slots	2	2
Memory slots type	SO-DIMM	SO-DIMM
Memory clock speed	2133 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
Storageidentical
Total storage capacity	2 TB	2 TB
Storage media	HDD	HDD
Number of storage drives installed	1	1
Total HDDs capacity	2 TB	2 TB
Number of HDDs installed	1	1
HDD capacity	2 TB	2 TB
HDD speed	5400 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
Graphics3 differ
Discrete graphics card model	Not available	Not available
On-board graphics card	Yes	Yes
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 530	Intel® HD Graphics 530
Maximum on-board graphics card memoryDiffers	1.7 GB	1.74 GB
Number of displays supported (on-board graphics)	3	3
On-board graphics card base frequency	350 MHz	350 MHz
On-board graphics card burst frequencyKnown for one	950 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Differs	950 MHz	1100 MHz
On-board graphics card DirectX version	12.0	12.0
On-board graphics card IDDiffers	0x1912	1912
On-board graphics card OpenGL version	4.4	4.4
Audioidentical
Built-in speaker(s)	Yes	Yes
Cameraidentical
Built-in camera	Yes	Yes
Networkidentical
Wi-Fi	Yes	Yes
Wi-Fi standards	802.11a, Wi-Fi 5 (802.11ac), 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 version	4.2	4.2
Ports & interfacesidentical
Ethernet LAN (RJ-45) ports	0	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 quantity	1	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 quantity	0	0
Headphone outputs	0	0
Microphone in	No	No
Combo headphone/mic port	Yes	Yes
DC-in jack	Yes	Yes
Designidentical
Product colour	White	White
Country of origin	China	China
Performanceidentical
Product type	All-in-One PC	All-in-One PC
Motherboard chipset	Intel® H170	Intel® H170
Softwareidentical
Operating system installed	Windows 10 Home	Windows 10 Home
Operating system architecture	64-bit	64-bit
Processor special features7 differ
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithography	14 nm	14 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) version	1.00	1.00
Intel Software Guard Extensions (Intel SGX)	Yes	Yes
Intel Stable Image Platform Program (SIPP)Differs	No	Yes
Intel Stable Image Platform Program (SIPP) versionDiffers	0.00	1.00
Intel TSX-NIDiffers	No	Yes
Intel TSX-NI versionDiffers	0.00	1.00
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)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	Yes	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® OS Guard	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
Processor ARK IDDiffers	88187	88200
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Scalability	1S	1S
Supported instruction sets	SSE4.2, AVX 2.0, SSE4.1	SSE4.2, AVX 2.0, SSE4.1
Thermal Monitoring Technologies	Yes	Yes
Thermal solution specification	PCG 2015A	PCG 2015A
Weight & dimensionsidentical
Width (with stand)	654.8 mm	654.8 mm
Depth (with stand)	203.5 mm	203.5 mm
Height (with stand)	553.4 mm	553.4 mm
Weight (with stand)	10.3 kg	10.3 kg
Packaging contentidentical
Mouse includedKnown for one	Yes	Unknown — not stated by the source
Keyboard includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Detachable display	No	No
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	120 W

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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