HP 15-X7R21AV (BTO787A) vs Acer PH315-51 (NH.Q3FSI.008)

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Summary

Processor Family

Intel Core i7
(7th Gen)
Intel Core i7
(8th Gen)

Clock Speed

2.8 Ghz
4.1 GHz

Capacity

16 GB RAM
16 GB RAM

RAM Features

DDR4
2133 Mhz
DDR4
2400 Mhz

Hard Disk

1 TB HDD
512 GB SSD
1 TB HDD
128 GB SSD

Hard Disk Features

SATA
5400 RPM
SATA
7200 RPM

Display Size

15.6 inches
(39.62 cm)
15.6 inches
(39.62 cm)

Display Features

Diagonal FHD IPS UWVA Anti-Glare WLED-Backlit Display
Full HD LED Backlit Anti-Glare Display

OS

Windows 10
Windows 10

Type

(64-bit) OS
(64-bit) OS

General Information

Brand

HP
Acer

Model

15-X7R21AV (BTO787A)
PH315-51 (NH.Q3FSI.008)

Series

N/A
Predator Helios 300

Thickness

24.9 Millimeter thickness
26.7 mm

Dimensions (WxDxH)

388.6 x 275.6 x 24.9  mm
390 x 266 x 26.7  mm

Weight

2.7 Kg weight
2.7 Kg

Colors

Black
Black

Operating System

Windows 10 Home Basic
Windows 10 Home Basic

Operating System Type

64-bit
64-bit

Display Details

Display Size

15.6 Inches  (39.62 cm)
15.6 Inches  (39.62 cm)

Display Resolution

1920 x 1080 Pixels
1920 x 1080 Pixels

Pixel Density

141 ppi
141 ppi

Display Type

LED
LED

Display Features

Diagonal FHD IPS UWVA Anti-Glare WLED-Backlit Display
Full HD LED Backlit Anti-Glare Display

Display Touchscreen

No
N/A

Touch Screen Display

N/A
No

Performance

Processor

Intel Core i7-7700HQ

7th Gen
Intel Core i7-8750H

Clock-speed

2.8 Ghz
N/A

Max Clock Speed

N/A
4.1 GHz

Graphic Processor

NVIDIA GeForce GTX 1050
NVIDIA GeForce GTX 1060

Cache

N/A
9 MB

Graphics Memory

4 GB
6 GB

Memory

Capacity

16 GB
16 GB

RAM type

DDR4
N/A

RAM Type

N/A
DDR4

RAM speed

2133 Mhz
N/A

RAM Speed

N/A
2400 MHz

Memory Slots

1
2

Expandable Memory

N/A
32 GB

Memory Layout

1 x 16 Gigabyte
2x8 Gigabyte

Storage

HDD Capacity

1 TB
1 TB

HDD Speed(RPM)

5400 RPM
7200 RPM

HDD type

SATA
SATA

SSD Capacity

512 GB
128 GB

Battery

Battery Cell

4 Cell
4 Cell

Battery type

Li-Ion
N/A

Battery Type

N/A
Li-Ion

Power Supply

63 W AC Adapter W
48 W AC Adapter W

Battery Life

8.5 Hrs
6 Hrs

Networking

Wireless LAN

802.11 a/b/g/n/ac
802.11 a/b/g/n/ac

Wi-Fi Version

5
5

Bluetooth

Yes
Yes

Bluetooth Version

4.2
5.0

Other Networking Options

Multi-Format SD Media Card Reader
Multi-Format SD Media card Reader

Ports

HDMI Ports

N/A
1

USB 3.0 slots

2
1

USB 2.0 slots

1
2

USB Type C

N/A
1

SD Card Reader

Yes
Yes

Ethernet Ports

1
1

Headphone Jack

Yes
Yes

Microphone Jack

Yes
Yes

VGA Port

Yes
N/A

Multimedia

Web-cam

Yes
Yes

Video Recording

HD 720p
720p HD

Secondary cam(Rear-facing)

No
N/A

Audio Solution

Bang & Olufsen Play
N/A

Speakers

Dual Speakers
Stereo Speakers

Sound Technologies

HP Audio Boost
N/A

In-built Microphone

Yes
Yes

Microphone Type

Integrated Dual Array Digital Microphone
Dual Array Digital Microphone

Peripherals

Pointing Device

HP Imagepad with Multi-touch Gesture Support
Touchpad with Multi-Touch Gestures Enabled

Keyboard

Standard Notebook Keyboard
N/A

Backlit Keyboard

N/A
Yes Red Backlit Gaming Keyboard

Fingerprint Scanner

No
No

Face Recognition

N/A
No

Others

Warranty

1 Year
1 Year

Lockport

No
N/A

Sales Package

Laptop Battery AC Adapter User Guide
Laptop Battery AC Adapter User Guide