Compare Mobile Phones Side-by-Side

Samsung Galaxy M21s vs Oppo A1i

Samsung Galaxy M21s

$250

84% SPEC SCORE

Oppo A1i

$227

84% SPEC SCORE

Energizer Hard Case P28K

$276

86% SPEC SCORE

Redmi Note 15 Pro

$299

86% SPEC SCORE

OVERVIEW

Display

Screen Size: 6.4 inches

(1080 X 2340 pixels)

60 Refresh rate

Screen Size: 6.78 inches

(720 X 1612 pixels)

90 Refresh rate

Camera

64+8+5 MP (Triple Camera)

32 MP Selfie

4K Video

50+2 MP (Dual Camera)

16 MP Selfie

1080P Video

Hardware

Exynos 9611 (10nm)

Mediatek MT6833 Dimensity 700 (7 nm)

Android 10

One UI 2.5

Android 14

Battery

Li-Po

6000 mAh

Li-Po

5000 mAh

Storage

4GB RAM, 64GB

8GB RAM, 128GB

NETWORK

Technology

GSM / HSPA / LTE

GSM / HSPA / LTE / 5G

LAUNCH DATE

Announced Date

2020, November 06

Released Date

2020, November 06

2024, July (Expected)

Status

Available

Coming Soon

DISPLAY

Type

Super AMOLED, 420 nits (peak)

IPS LCD, 480 nits (typ), 600 nits (HBM)

Refresh Rate

60 Hz

90 Hz

Size

Screen Size: 6.4

Surface Area: 100.5 cm²

Screen To Body Ratio: 84.1%

Screen Size: 6.78

Screen To Body Ratio: 86.5%

Resolution

1080 x 2340 pixels, 19.5:9 ratio

720 x 1612 pixels, 20:9 ratio

Pixel Density

403 ppi

269 ppi

Protection

Front Protection: Corning Gorilla Glass 3

Always on Display

BODY

Dimensions

Height: 159.2 mm (6.27 inch)

Width: 75.1 mm (2.96 inch)

Depth: 8.9 mm (0.35 inch)

Height: 163.8 mm (6.45 inch)

Width: 75.1 mm (2.96 inch)

Depth: 8 mm (0.31 inch)

Weight

191g (6.74 oz)

186g (6.56 oz)

Build

Glass front (Gorilla Glass 3), plastic back, plastic frame

SIM

Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)

Dual SIM (Nano-SIM, dual stand-by)

MAIN CAMERA

Rear Camera

Triple Camera:

➤ 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF
➤ 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm
➤ 5 MP, f/2.2, (depth)

Dual Camera:

➤ 50 MP, f/2.2, 25mm (wide), PDAF
➤ 2 MP, f/2.4, (depth)

Features

LED flash, panorama, HDR

LED flash, HDR, panoram

Video

4K@30fps, 1080p@30fps, gyro-EIS

1080p@30fps

SELFIE CAMERA

Single

32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm

16 MP, f/2.0, 27mm (wide)

Features

HDR

Video

1080p@30fps

SOFTWARE & HARDWARE

Current Version: Android 10

Custom UI: One UI 2.5

Current Version: Android 14

Chipset

Processor: Exynos 9611 (10nm)

Processor: Mediatek MT6833 Dimensity 700 (7 nm)

CPU

Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)

Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)

GPU

Mali G72 MP3

Mali G57 MC2

BATTERY

Type

Li-Po

Capacity

6000 mAh

5000 mAh

Removable

Charging

15W wired

10W wired

STORAGE

Internal Memory

64GB 4GB RAM, 128GB 6GB RAM

128GB 8GB RAM

Card slot

microSDXC (dedicated slot)

Storage Type

eMMC 5.1

CONNECTIVITY

WLAN

Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct

Wi-Fi 802.11 a/b/g/n/ac, dual-band

Bluetooth

5.0, LE, A2DP

5.3, LE, A2DP, APTX

Positioning

GPS, GLONASS, GALILEO, BDS

GPS, GALILEO, GLONASS, BDS, QZSS

NFC

Yes

Radio

Yes

USB

USB Type-C 2.0

USB Type-C 2.0, OTG

Infrared port

SOUND

Loudspeaker

Yes

Yes, with stereo speakers

Sound jack

Yes, 3.5

SENSORS

Features

Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass

Fingerprint (side-mounted), accelerometer, proximity, compass

MISCELLANEOUS

Colors

Blue, Black

Night Black, Phantom Purple

Models

SM-F415F, SM-F415F/DS

SAR

0.38 W/kg (head)

SAR EU

0.48 W/kg (head) 1.13 W/kg (body)

Which Mobile Phone is Better: Samsung Galaxy M21s or Oppo A1i ?

Have a look at the benefits of this Samsung Galaxy M21s and Oppo A1i given by our tech specs.

Pros of Samsung Galaxy M21s

Samsung Galaxy M21s provides 1000mAh more battery capacity, ensuring extended power for heavy use.
This Device camera captures 64MP sharper and more vibrant photos, ideal for photography enthusiasts.

Pros of Oppo A1i

This Device provides a more immersive experience with its bigger display, perfect for multitasking and entertainment
Offers 25% more RAM (8GB vs 6GB), providing smoother multitasking and better performance.

Disclaimer: Information here may not be 100% accurate; please verify specs and prices on the retailer's website before buying.