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

HP Pavilion All-in-One - 27-a255na vs HP ENVY All-in-One - 27-b105na

141specifications compared
22differ
119identical
11known for one product only

Key differences

Display resolution
- Pavilion All-in-One - 27-a255na:1920 x 1080 pixels
- ENVY All-in-One - 27-b105na:2560 x 1440 pixels
Touchscreen
- Pavilion All-in-One - 27-a255na:No
- ENVY All-in-One - 27-b105na:Yes
HD type
- Pavilion All-in-One - 27-a255na:Full HD
- ENVY All-in-One - 27-b105na:Quad HD
Maximum internal memory
- Pavilion All-in-One - 27-a255na:16 GB
- ENVY All-in-One - 27-b105na:32 GB
Memory layout (slots x size)
- Pavilion All-in-One - 27-a255na:1 x 8 GB
- ENVY All-in-One - 27-b105na:2 x 4 GB
Optical drive type
- Pavilion All-in-One - 27-a255na:DVD Super Multi
- ENVY All-in-One - 27-b105na:No
Discrete graphics card
- Pavilion All-in-One - 27-a255na:No
- ENVY All-in-One - 27-b105na:Yes
Discrete graphics card model
- Pavilion All-in-One - 27-a255na:Not available
- ENVY All-in-One - 27-b105na:NVIDIA® GeForce® GTX 950M

Side by side

Differences highlightedShow differences only

Comparison of 27-a255na, 27-b105na
152 specifications	A HP Pavilion All-in-One - 27-a255na Model 27-a255na View product	B HP ENVY All-in-One - 27-b105na Model 27-b105na View product
Display3 differ
Display diagonal	68.6 cm (27")	68.6 cm (27")
Display resolutionDiffers	1920 x 1080 pixels	2560 x 1440 pixels
TouchscreenDiffers	No	Yes
HD typeDiffers	Full HD	Quad HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Screen shape	Flat	Flat
Touch technologyKnown for one	Unknown — not stated by the source	Multi-touch
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i5	Intel® Core™ i5
Processor generation	7th gen Intel® Core™ i5	7th gen Intel® Core™ i5
Processor model	i5-7400T	i5-7400T
Processor cores	4	4
Processor threads	4	4
Processor boost frequency	3 GHz	3 GHz
Processor frequency	2.4 GHz	2.4 GHz
Processor cache	6 MB	6 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
Configurable TDP-down frequency	1.2 GHz	1.2 GHz
Bus type	DMI3	DMI3
Maximum number of PCI Express lanes	16	16
Number of QPI links	0	0
PCI Express configurations	1x16, 1x8+2x4, 2x8	1x16, 1x8+2x4, 2x8
PCI Express slots version	3.0	3.0
Processor code	SSSR332	SSSR332
Processor codename	Kaby Lake	Kaby Lake
Processor lithography	14 nm	14 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i5-7400 Desktop Series	Intel Core i5-7400 Desktop Series
Stepping	B0	B0
Tjunction	80 °C	80 °C
Conflict-Free processor	Yes	Yes
Maximum internal memory supported by processor	64 GB	64 GB
Memory types supported by processor	DDR3L, DDR4-SDRAM	DDR3L, DDR4-SDRAM
Memory clock speeds supported by processor	1333,1600,2133,2400 MHz	1333,1600,2133,2400 MHz
Memory channels supported by processor	Dual	Dual
ECC supported by processor	No	No
Memory voltage supported by processor	1.35 V	1.35 V
Memory2 differ
Internal memory	8 GB	8 GB
Internal memory type	DDR4-SDRAM	DDR4-SDRAM
Maximum internal memoryDiffers	16 GB	32 GB
Memory slots	2	2
Memory slots type	SO-DIMM	SO-DIMM
Memory clock speed	2133 MHz	2133 MHz
Memory layout (slots x size)Differs	1 x 8 GB	2 x 4 GB
Memory form factor	DIMM/SO-DIMM	DIMM/SO-DIMM
Storage1 differ
Total storage capacity	1.12 TB	1.12 TB
Storage media	HDD+SSD	HDD+SSD
Total HDDs capacity	1 TB	1 TB
HDD capacity	1 TB	1 TB
HDD speed	7200 RPM	7200 RPM
HDD interface	SATA	SATA
Total SSDs capacity	128 GB	128 GB
SSD capacity	128 GB	128 GB
Optical drive typeDiffers	DVD Super Multi	No
Card reader integrated	Yes	Yes
Compatible memory cards	SD, SDHC, SDXC	SD, SDHC, SDXC
Number of storage drives installedKnown for one	Unknown — not stated by the source	2
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
Number of SSDs installedKnown for one	Unknown — not stated by the source	1
Graphics3 differ
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	NVIDIA® GeForce® GTX 950M
Discrete graphics card memory	4 GB	4 GB
Discrete graphics memory typeDiffers	GDDR3	GDDR5
On-board graphics card	Yes	Yes
On-board graphics card model	Intel® HD Graphics 630	Intel® HD Graphics 630
Maximum on-board graphics card memory	64 GB	64 GB
Number of displays supported (on-board graphics)	3	3
On-board graphics card base frequency	350 MHz	350 MHz
On-board graphics card dynamic frequency (max)	1000 MHz	1000 MHz
On-board graphics card DirectX version	12.0	12.0
On-board graphics card ID	0x5912	0x5912
On-board graphics card OpenGL version	4.4	4.4
Audioidentical
Built-in speaker(s)	Yes	Yes
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Audio systemKnown for one	B&O PLAY	Unknown — not stated by the source
Cameraidentical
Built-in camera	Yes	Yes
Network3 differ
Wi-Fi	Yes	Yes
Top Wi-Fi standardKnown for one	Wi-Fi 5 (802.11ac)	Unknown — not stated by the source
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n), 802.11a, Wi-Fi 5 (802.11ac)	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANDiffers	Yes	No
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Bluetooth	Yes	Yes
Bluetooth versionDiffers	4.2	4.0
Ports & interfaces4 differ
Ethernet LAN (RJ-45) portsKnown for one	1	Unknown — not stated by the source
USB 2.0 ports quantityDiffers	2	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	4
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 quantityDiffers	0	1
Thunderbolt ports quantity	0	0
HDMI ports quantityDiffers	1	2
VGA (D-Sub) ports quantity	0	0
Headphone outputs	0	0
Microphone in	No	No
Combo headphone/mic port	Yes	Yes
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Design1 differ
Product colourDiffers	White	Grey
Country of origin	China	China
Performanceidentical
Product type	All-in-One PC	All-in-One PC
Softwareidentical
Operating system installed	Windows 10 Home	Windows 10 Home
Operating system architecture	64-bit	64-bit
Processor special featuresidentical
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
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 Software Guard Extensions (Intel SGX)	Yes	Yes
Intel Stable Image Platform Program (SIPP)	No	No
Intel Stable Image Platform Program (SIPP) version	0.00	0.00
Intel TSX-NI	No	No
Intel TSX-NI version	0.00	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)	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)	No	No
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® OS Guard	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK ID	97184	97184
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Scalability	1S	1S
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Thermal solution specification	PCG 2015A	PCG 2015A
Power1 differ
AC adapter powerDiffers	120 W	180 W
Weight & dimensions4 differ
Width (with stand)Differs	654.8 mm	615 mm
Depth (with stand)Differs	203.5 mm	191 mm
Height (with stand)Differs	553.4 mm	457 mm
Weight (with stand)Differs	10.3 kg	11 kg
Sustainabilityidentical
Sustainability certificates	EPEAT Silver, ENERGY STAR	EPEAT Silver, ENERGY STAR
Packaging contentidentical
Mouse included	Yes	Yes
Keyboard included	Yes	Yes
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Autonomy mode	No	No
Detachable display	No	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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