Home Phone comparison Oppo Realme 8i and Samsung Galaxy A57 5G - Which is better?

Oppo Realme 8i vs Samsung Galaxy A57 5G

46 out 100
Oppo Realme 8i
VS
71 out 100
Samsung Galaxy A57 5G
Oppo Realme 8i
Samsung Galaxy A57 5G

Compared 2 smartphones : Oppo Realme 8i Manufactured in September, 2021, with display 6.6 with chipsetMediaTek Helio G96, vs Samsung Galaxy A57 5G, Manufactured in April, 2026 with chipsetSamsung Exynos 1680. 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 Oppo Realme 8i
  • Higher pixel density: 401ppi
Reasons to choose Samsung Galaxy A57 5G
  • Larger display: 6.7in
  • Lighter design: 179g vs 194g
  • Newer Bluetooth version: 6.0 vs 5.1
  • Supports Dolby Atmos
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 4/128 GB
- 6/128 GB		 - 8/128 GB
- 8/256 GB
- 12/256 GB
- 12/512 GB

Review

Key Specs Oppo Realme 8i and Samsung Galaxy A57 5G
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:
Oppo Realme 8i
vs
Samsung Galaxy A57 5G

Display

Display quality comparison
Type IPS LCD Super AMOLED
Size 6.6 in 6.7 in
Resolution 1080x2412 pixels 1080x2340 pixels
Aspect ratio 20:9 19.5:9
Pixel density 401 ppi 385 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 600 nits 1200 nits
HDR support No Yes, HDR10+
Touch Sampling Rate 180 Hz n/a
Screen-to-body ratio 84.9 % 88.8 %
Features DCI-P3 - DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Oppo Realme 8i
535 nits
Samsung Galaxy A57 5G
1883 nits

Design & Build

Design and ergonomics comparison
Height 164.1 mm (6.46 in) 161.5 mm (6.36 in)
Width 75.5 mm (2.97 in) 76.8 mm (3.02 in)
Thickness 8.5 mm (0.33 in) 6.9 mm (0.27 in)
Weight 194 g (6.84 oz) 179 g (6.31 oz)
Water resistance No IP68
Cooling system n/a Vapor chamber
Back panel Plastic Glass
Frame Plastic Metal
Colors - Black
- Purple		 - Gray
- Blue
- Purple
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Oppo Realme 8i
84.9 %
Samsung Galaxy A57 5G
88.8 %

Performance

Testing Oppo Realme 8i and Samsung Galaxy A57 5G In benchmarks
Processor
Chipset MediaTek Helio G96 Samsung Exynos 1680
Max Frequency 2050 MHz 2900 MHz
CPU Cores 8 (2 + 6) 8 (1 + 4 + 3)
Architecture - 6/2 (Cortex-A55)
- 2/2.05 (Cortex-A76)		 - 3/1.95 (Cortex-A520)
- 4/2.6 (Cortex-A720)
- 1/2.9 (Cortex-A720)
Process TSMC Samsung
Transistor Size 12 nm 4 nm
Neural Processor MediaTek APU Yes
Graphics Mali-G57 MP2 n/a
GPU Cores 128 n/a
GPU Frequency 950 MHz n/a
FLOPS 243 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Realme 8i
730
Samsung Galaxy A57 5G
1389
Geekbench 6 (Multi-Core)
Oppo Realme 8i
1882
Samsung Galaxy A57 5G
4453
Geekbench 6 (Single-Core)7301389
Geekbench 6 (Multi-Core)18824453
Sources: Geekbench v6 [Samsung Galaxy A57 5G]
AnTuTu 10
AnTuTu 10
Oppo Realme 8i
361810
Samsung Galaxy A57 5G
1390055
CPU125217510705
GPU62165374535
Memory75158204469
UX99270300346
NanoReview Score3618101390055
3DMark Wild Life
3DMark Wild Life
Oppo Realme 8i
1091
Samsung Galaxy A57 5G
n/a
Stability98 %n/a
Graphics Test6 fpsn/a
Graphics Score1091n/a
Sources: 3DMark [Oppo Realme 8i]
PCMark 3.0
PCMark 3.0
Oppo Realme 8i
10004
Samsung Galaxy A57 5G
n/a
Writing score12620n/a
Web score8175n/a
Video editing5409n/a
Data manipulation6630n/a
NanoReview Score10004n/a

Memory

RAM
RAM Size - 4 GB
- 6 GB		 8 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz n/a
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB		128 GB
Storage TypeUFS 2.1UFS 3.1
Memory CardMicroSDNo

Software

OS Android 11 (Upgradeable to Android 13) Android 16
UI Skin Realme UI 4.0 One UI 8.5

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 18 W 45 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No No
Reverse Charging No n/a
Fast Charging Yes (30% in 30 min) Yes (64% in 30 min)
Full Charge Time 2:21 h 1:09 h
Battery Life Test
Battery Life
Oppo Realme 8i
24:45
Samsung Galaxy A57 5G
24:32
Web Browsing08:17 h10:41 h
Video Playback13:08 h20:15 h
Games05:22 h05:40 h
Standby Mode143 h85 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8700x5800 pixels 8192x6144 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Optical
8K Recording No No
4K Recording No Yes (Up to 30 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion 120 fps (720p) 240 fps (720p)
Wide-angle lens n/a 123 °
Lenses count Standard: 50 MP
Macro: 2 MP
Depth: 2 MP		 Standard: 50 MP
Ultra-wide: 12 MP
Macro: 5 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.8
Focal length26 mmn/a
SensorSamsung S5KJN1Sony IMX906
Sensor size1/2.761/1.56 (0.64)
Pixel size0.64 μm1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Ultra-wide lens
Matrixn/a12 MP
Aperturen/af/2.2
Sensorn/aSony IMX258
Sensor sizen/a1/3.06 (0.33)
Pixel sizen/a1.12 μm
Stabilizationn/aDigital

Front camera

Matrix 16 MP 12 MP
Photo resolution 4920x3264 pixels n/a
Aperture f/2.1 f/2.2
Sensor Hynix Hi-1364Q n/a
Sensor size 1/3.0 1/3.2 (0.31)
Pixel size 1 μm 1.12 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 6E (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.1 6.0
Bluetooth features LE, A2DP LE
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 n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Varies by region Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900MHzn/a
3G BandsWCDMA 1/5/8n/a
LTE Bands*LTE (B1/B3/B5/B8/B38/B40/B41)n/a
LTE category13n/a
5G SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack Yes No
FM Radio No No
Dolby Atmos No Yes

Other

Class Mid-range Mid-range
Announced September, 2021 yr March, 2026 yr
Release Date September, 2021 yr April, 2026 yr
Launch Price ($) 230 n/a
MSRP ($) n/a 549
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a No
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Samsung Galaxy A57 5G the clear winner in this comparison.

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