Samsung Galaxy A21s vs. Oppo A94 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of Samsung Galaxy A21s and Oppo A94 5G. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.

Phone Specifications Comparison

Samsung Galaxy A21s vs. Oppo A94 5G Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A21s Oppo A94 5G
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A217F/DSN -
Form Factor Touch Touch
Height 163.7 mm 160.1 mm Samsung Galaxy A21s has greater height than Oppo A94 5G.
Width 75.3 mm 73.4 mm Samsung Galaxy A21s has greater width than Oppo A94 5G.
Depth 8.9 mm 7.8 mm Oppo A94 5G is narrower than Samsung Galaxy A21s.
Weight 192 g 173 g Oppo A94 5G is lighter than Samsung Galaxy A21s.
Body Colour White | Blue | Black Fluid black
Waterproof (Water-resistant) - -
SAR Value 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb) 0.992 W/kg
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Handset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Samsung Galaxy A21s Oppo A94 5G
Display Type LCD display OLED display
Display Technology PLS TFT AMOLED
Screen Size (Display Size) 6.5" 6.43" Samsung Galaxy A21s has larger screen size than Oppo A94 5G.
Screen Resolution (Display Resolution) 1600 x 720 pixels 2400 x 1080 pixels Oppo A94 5G has better screen resolution than Samsung Galaxy A21s.
Display Format HD+ Full HD+
Pixel Density - 409 ppi
Aspect Ratio 20:9 -
Max Brightness - 800 cd/m²
Colour Depth 16.7 million colours -
Touch Sampling Rate - 180 Hz
Display Features Infinity O display -
PROCESSOR Samsung Galaxy A21s Oppo A94 5G
Processor Type (CPU) - MediaTek Dimensity 800U
Clock Speed 2 GHz 2.4 GHz Oppo A94 5G has higher clock speed than Samsung Galaxy A21s.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) - ARM G57 MC3
MEMORY Samsung Galaxy A21s Oppo A94 5G
RAM 3 GB LPDDR4X SDRAM - 8 GB Oppo A94 5G has more RAM than Samsung Galaxy A21s.
Internal Memory Size (Storage Capacity) 32 GB 128 GB Oppo A94 5G has more internal memory than Samsung Galaxy A21s.
User Memory 19.5 GB 112 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB microSDHC, microSD, microSDXC - up to 256 GB
CAMERA Samsung Galaxy A21s Oppo A94 5G
MAIN CAMERA
Number of Main Cameras 4 4
Sensor Resolution 48 Megapixel 48 Megapixel Both phones have the same camera resolution.
Lens Type Wide-angle lens -
Lens Aperture F/2.0 F/1.7 Oppo A94 5G has better lens aperture than Samsung Galaxy A21s.
Lens Construction - 6-element
Field of View (FoV) 80 degree(s) 79 degree(s) Samsung Galaxy A21s has larger lens field of view than Oppo A94 5G.
Focus Adjustment Automatic Automatic
Digital Zoom 8x -
Camera Modes Live Focus mode -
Light Source LED flash LED flash
Still Image Resolutions - 4000 x 3000, 4000 x 2256, 3000 x 3000, 8000 x 6000, 4000 x 1800
Video Resolutions 1920 x 1080 (1080p) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps
Camera Features (Functions) Live Focus -
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 8 Megapixel Both phones have the same second camera resolution.
Lens Type (2nd Camera) Ultra wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.2 Both phones have the same second camera lens aperture.
Lens Element Qty (2nd Camera) - 5-element
Field of View (2nd Camera) 123 degree(s) 119 degree(s) Samsung Galaxy A21s has larger second camera lens field of view than Oppo A94 5G.
THIRD CAMERA
Sensor Resolution (3rd Camera) 2 Megapixel 2 Megapixel Both phones have the same third camera resolution.
Lens Aperture (3rd Camera) F/2.4 F/2.4 Both phones have the same lens aperture of the third camera.
Lens Element Qty (3rd Camera) - 3-element
Field of View (3rd Camera) - 89 degree(s)
Camera Functions (3rd Camera) Macro camera Macro camera
Camera Features (3rd Camera) 4cm macro photography -
FOURTH CAMERA
Sensor Resolution (4th Camera) 2 Megapixel 2 Megapixel Both phones have the same resolution of the fourth camera.
Lens Aperture (4th Camera) F/2.4 F/2.4 Both phones have the same lens aperture of the fourth camera.
Lens Element Qty (4th Camera) - 3-element
Field of View (4th Camera) - 89 degree(s)
Camera Functions (4th Camera) Depth camera Monochrome
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 13 Megapixel 16 Megapixel Oppo A94 5G has better front camera resolution than Samsung Galaxy A21s.
Lens Aperture (Front) F/2.2 F/2.4 Samsung Galaxy A21s has better front lens aperture than Samsung Galaxy A21s.
Lens Element Qty (Front) - 5-element
Field of View (Front) - 78 degree(s)
Focus Adjustment Focus free -
Still Image Resolutions (Front) - 4624 x 3468
Video Resolutions (Front) - 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
BATTERY AND CHARGING Samsung Galaxy A21s Oppo A94 5G
Battery Capacity (Battery Size) 5000 mAh 4310 mAh Samsung Galaxy A21s has larger battery capacity than Oppo A94 5G.
Fast Charging Technology - VOOC Flash Charge technology 4.0 Oppo A94 5G has fast charging technology.
Standby Time - 330 hours
Talk Time 3240 minutes 1320 minutes Samsung Galaxy A21s has longer battery life when making calls than Oppo A94 5G.
Run Time Details Active online usage (4G): up to 23 hrs
Active online usage (Wi-Fi): up to 23 hrs
Playback (video): up to 21 hrs
Playback (audio): up to 109 hrs
Talk (4G): up to 3240 min
Talk: up to 1320 min
Standby: up to 330 hrs
Battery Technology Lithium Ion -
CELLULAR Samsung Galaxy A21s Oppo A94 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Oppo A94 5G has more advanced generation mobile network.
Operating System - ColorOS 11.1 (based on Android 11.1)
User Interface One UI -
Navigation GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS
COMMUNICATIONS Samsung Galaxy A21s Oppo A94 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE LTE, VoLTE, VoWiFi, 5G NR FR1
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 5, Band 8 -
3G UMTS Frequency 2100, 1900, 850, 900 -
4G LTE Band Band 1, Band 2, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 -
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 -
5G NR Band - N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n40
5G NR Frequency - FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500, TDD 2300
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 LE Bluetooth
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Samsung Galaxy A21s Oppo A94 5G
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID AAC, apt-X, LDAC, SBC, apt-X HD
Supported Digital Video Standards MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 -
Sound Enhancements Dolby Atmos sound technology -
FEATURES Samsung Galaxy A21s Oppo A94 5G
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor, gravity sensor, optical sensor, light sensor
Security Devices Face recognition, fingerprint reader Fingerprint reader (under display), face recognition
Additional Phone Features Samsung KNOX, Virtual Light Sensing Face Unlock, HD Voice, Wi-Fi Calling, Fingerprint 3.0
OTHERS Samsung Galaxy A21s Oppo A94 5G
Included Accessories Power adapter Headset, SIM card removal tool, USB-C cable, fast charge power adapter, protective case
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