Home Phone comparison Xiaomi Poco X7 and Samsung Galaxy A8 (2018) - Which is better?

Xiaomi Poco X7 vs Samsung Galaxy A8 (2018)

66 out 100
Xiaomi Poco X7
VS
36 out 100
Samsung Galaxy A8 (2018)
Xiaomi Poco X7
Samsung Galaxy A8 (2018)

Compared 2 smartphones : Xiaomi Poco X7 Manufactured in January, 2025, with display 6.67 with chipsetMediaTek Dimensity 7300 Ultra, vs Samsung Galaxy A8 (2018), Manufactured in January, 2018with chipsetSamsung Exynos 7 Octa 7885. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Xiaomi Poco X7
  • Larger display: 6.67in
  • Higher pixel density: 446ppi
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 5110mAh vs 3000mAh
  • Newer Bluetooth version: 5.4 vs 5
  • Infrared port
  • Built-in eSIM
  • Includes charger
Reasons to choose Samsung Galaxy A8 (2018)
  • Lighter design: 172g vs 185.5g

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 8/256 GB
- 12/512 GB		 - 4/32 GB
- 4/64 GB

Review

Key Specs Xiaomi Poco X7 and Samsung Galaxy A8 (2018)
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Xiaomi Poco X7
vs
Galaxy A8 (2018)

Display

Display quality comparison
Type AMOLED Super AMOLED
Size 6.67 in 5.6 in
Resolution 1220x2712 pixels 1080x2220 pixels
Aspect ratio 20:9 18.5:9
Pixel density 446 ppi 441 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate Yes No
Max brightness 1200 nits 390 nits
HDR support Yes Dolby Vision No
Touch Sampling Rate 480 Hz n/a
Screen-to-body ratio 88.9 % 75.5 %
Features - DCI-P3
- Always-On Display
- DC dimming		 n/a
Display test
Peak brightness (auto)
Xiaomi Poco X7
1107 nits
Samsung Galaxy A8 (2018)
586 nits
sRGB gamut100 %n/a
PWM (Flicker)120 Hz242 Hz
Response time1 ms4.6 ms
Contrast∞ Infinite∞ Infinite
Sources: NotebookCheck [Xiaomi Poco X7], [Samsung Galaxy A8 (2018)]

Design & Build

Design and ergonomics comparison
Height 162.33 mm (6.39 in) 149.2 mm (5.87 in)
Width 74.42 mm (2.93 in) 70.6 mm (2.78 in)
Thickness 8.4 mm (0.33 in) 8.4 mm (0.33 in)
Weight 185.5 g (6.54 oz) 172 g (6.07 oz)
Water resistance IP68 IP68
Cooling system Vapor chamber n/a
Back panel Plastic Glass
Frame Plastic Metal
Colors - Black
- Silver
- Green		 - Black
- Gold
- Blue
Fingerprint sensor Yes In-Display Yes rear
Screen-to-body ratio
Xiaomi Poco X7
88.9 %
Samsung Galaxy A8 (2018)
75.5 %

Performance

Testing Xiaomi Poco X7 and Samsung Galaxy A8 (2018) In benchmarks
Processor
Chipset MediaTek Dimensity 7300 Ultra Samsung Exynos 7 Octa 7885
Max Frequency 2500 MHz 2200 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/2 (Cortex-A55)
- 4/2.5 (Cortex-A78)		 - 6/1.6 (Cortex-A53)
- 2/2.2 (Cortex-A73)
Process TSMC Samsung
Transistor Size 4 nm 14 nm
Neural Processor MediaTek APU 655 No
Graphics Mali-G615 MP2 Mali-G71 MP2
GPU Cores 256 32
GPU Frequency 1047 MHz 770 MHz
FLOPS 536.1 GFLOPS 70.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco X7
1031
Samsung Galaxy A8 (2018)
n/a
Geekbench 6 (Multi-Core)
Xiaomi Poco X7
2842
Samsung Galaxy A8 (2018)
n/a
Geekbench 6 (Single-Core)1031n/a
Geekbench 6 (Multi-Core)2842n/a
Geekbench Compute (GPU)2507n/a
Sources: Geekbench v6 [Xiaomi Poco X7]
AnTuTu 10
AnTuTu 10
Xiaomi Poco X7
675069
Samsung Galaxy A8 (2018)
202681
CPU20319473673
GPU14333826657
Memory15927550080
UX16926252271
NanoReview Score675069202681

Memory

RAM
RAM Size - 8 GB
- 12 GB		 4 GB
Memory Type LPDDR4X LPDDR4
Memory Frequency 2133 MHz 1333 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB
- 512 GB		- 32 GB
- 64 GB
Storage TypeUFS 2.2eMMC 5.1
Memory CardNoMicroSD

Software

OS Android 14 Android 7.1.1 (Upgradeable to Android 9)
UI Skin HyperOS 1.0 One UI 2.0

Battery

Volume 5110 mAh 3000 mAh
Max Charging Power 45 W 18 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (62% in 30 min) Yes Samsung Adaptive Fast Charge (50% in 30 min)
Full Charge Time 1:05 h 1:35 h
Battery Life Test
Battery Life
Xiaomi Poco X7
19:25
Samsung Galaxy A8 (2018)
17:10
Web Browsing06:50 h06:38 h
Video Playback10:59 h11:19 h
Games05:14 h04:20 h
Standby Mode104 h80 h

Main camera

Matrix 50 MP 16 MP
Photo resolution 8192x6144 pixels 4920x3264 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Optical Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 240 fps (720p) No
Wide-angle lens 120 ° n/a
Lenses count Standard: 50 MP
Ultra-wide: 8 MP
Macro: 2 MP		 Standard: 16 MP
Features - Bokeh effect
- Pro mode
Main lens
Matrix50 MP16 MP
Aperturef/1.5f/1.7
Focal length26 mm26 mm
SensorSony IMX882Samsung S5K2P6SX
Sensor size1/1.961/2.8
Pixel size0.8 μm1.12 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Ultra-wide lens
Matrix8 MPn/a
Aperturef/2.2n/a
Focal length15 mmn/a
SensorSony IMX355n/a
Sensor size1/4.0n/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a
Main camera DxOMark results
Photo quality
Xiaomi Poco X7
n/a
Samsung Galaxy A8 (2018)
82
Video quality
Xiaomi Poco X7
n/a
Samsung Galaxy A8 (2018)
74
Overall camera score
Xiaomi Poco X7
n/a
Samsung Galaxy A8 (2018)
79

Front camera

Matrix 20 MP 16 MP
Photo resolution 5184x3888 pixels 4608x3456 pixels
Aperture f/2.2 f/1.9
Focal length 25 mm 27 mm
Sensor Omnivision OV20B Samsung S5K3P8SP
Sensor size 1/4.0 1/3.1
Pixel size 0.7 μm 1 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
Bluetooth version 5.4 5
Bluetooth features LE PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort No n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM 2/3/5/8GSM 850, GSM 900, GSM 1800, GSM 1900
3G BandsWCDMA B1/2/4/5/6/8/19HSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B28/B38/B40/B41/B42/B48/B66)LTE (B800/B850/B900/B1700/B1800/B1900/B2100/B2300/B2500)
LTE categoryn/a11
5G SupportYesNo

Sound

Speakers Stereo Mono
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Xiaomi Poco X7
91.4 dB
Samsung Galaxy A8 (2018)
85 dB

Other

Class Mid-range Mid-range
Announced January, 2025 yr December, 2017 yr
Release Date January, 2025 yr January, 2018 yr
Launch Price ($) 229 480
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 45 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi Poco X7 the clear winner in this comparison.

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