Samsung Galaxy A21s vs. Samsung Galaxy A04s

Phone Comparison, Reviews and Tests

Side by side comparison and review of Samsung Galaxy A21s and Samsung Galaxy A04s. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

Samsung Galaxy A21s vs. Samsung Galaxy A04s Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A21s Samsung Galaxy A04s
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A217F/DSN SM-A047F/DSN
Form Factor Touch Touch
Height 163.7 mm 164.7 mm Samsung Galaxy A04s has greater height than Samsung Galaxy A21s.
Width 75.3 mm 76.7 mm Samsung Galaxy A04s has greater width than Samsung Galaxy A21s.
Depth 8.9 mm 9.1 mm Samsung Galaxy A21s is narrower than Samsung Galaxy A21s.
Weight 192 g 195 g Samsung Galaxy A21s is lighter than Samsung Galaxy A21s.
Body Colour White | Blue | Black Green | Black | White
Waterproof (Water-resistant) - -
SAR Value 1.544 W/kg (body), 0.422 W/kg (head), 2.21 W/kg (limb) 1.227 W/kg (body), 0.521 W/kg (head), 1.77 W/kg (limb)
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Samsung Galaxy A21s Samsung Galaxy A04s
Display Type LCD display LCD display
Display Technology PLS TFT PLS
Screen Size (Display Size) 6.5" 6.5" Both phones have the same screen size.
Screen Resolution (Display Resolution) 1600 x 720 pixels 1600 x 720 pixels Both phones have the same screen resolution.
Display Format HD+ HD+
Aspect Ratio 20:9 -
Colour Depth 16.7 million colours 16 million colors Samsung Galaxy A21s has better colour depth than Samsung Galaxy A04s.
Display Refresh Rate - 90 Hz
Display Features Infinity O display Infinity V Display
PROCESSOR Samsung Galaxy A21s Samsung Galaxy A04s
Clock Speed 2 GHz 2 GHz Both phones have the same clock speed.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
MEMORY Samsung Galaxy A21s Samsung Galaxy A04s
RAM 3 GB 3 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 32 GB 32 GB Both phones have the same internal memory capacity.
User Memory 19.5 GB 19.2 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Samsung Galaxy A21s Samsung Galaxy A04s
MAIN CAMERA
Number of Main Cameras 4 3
Sensor Resolution 48 Megapixel 50 Megapixel Samsung Galaxy A04s has better camera resolution than Samsung Galaxy A21s.
Lens Type Wide-angle lens -
Lens Aperture F/2.0 F/1.8 Samsung Galaxy A04s has better lens aperture than Samsung Galaxy A21s.
Field of View (FoV) 80 degree(s) -
Focus Adjustment Automatic Automatic
Digital Zoom 8x 10x Samsung Galaxy A04s has better digital zoom than Samsung Galaxy A21s.
Special Effects - Bokeh effect
Camera Modes Live Focus mode Portrait
Light Source LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps 1920 x 1080 (1080p) at 30 fps
Camera Features (Functions) Live Focus -
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 2 Megapixel Samsung Galaxy A21s has better second camera resolution than Samsung Galaxy A04s.
Lens Type (2nd Camera) Ultra wide-angle lens -
Lens Aperture (2nd Camera) F/2.2 F/2.4 Samsung Galaxy A21s has better second camera lens aperture than Samsung Galaxy A21s.
Field of View (2nd Camera) 123 degree(s) -
Camera Functions (2nd Camera) - Macro camera
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.
Camera Functions (3rd Camera) Macro camera Depth camera
Camera Features (3rd Camera) 4cm macro photography -
FOURTH CAMERA
Sensor Resolution (4th Camera) 2 Megapixel -
Lens Aperture (4th Camera) F/2.4 -
Camera Functions (4th Camera) Depth camera -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 13 Megapixel 5 Megapixel Samsung Galaxy A21s has better front camera resolution than Samsung Galaxy A04s.
Lens Aperture (Front) F/2.2 F/2.2 Both phones have the same front camera lens aperture.
Focus Adjustment Focus free -
Special Effects (Front) - Bokeh effect
BATTERY AND CHARGING Samsung Galaxy A21s Samsung Galaxy A04s
Battery Capacity (Battery Size) 5000 mAh 5000 mAh Both phones have the same battery capacity.
Talk Time 3240 minutes 3240 minutes Both phones have the same battery life when making calls.
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
Active online usage (LTE): up to 21 hrs
Active online usage (Wi-Fi): up to 21 hrs
Playback (video): up to 22 hrs
Playback (audio): up to 90 hrs
Talk (LTE): up to 3240 min
Battery Technology Lithium Ion -
CELLULAR Samsung Galaxy A21s Samsung Galaxy A04s
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
User Interface One UI One UI Core 4.1
Navigation GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS Samsung Galaxy A21s Samsung Galaxy A04s
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM
3G UMTS Band Band 1, Band 2, Band 5, Band 8 Band 1, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 850, 900 2100, 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 Band 1, 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 FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.0 LE Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA Samsung Galaxy A21s Samsung Galaxy A04s
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 MKV, FLV, AVI, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements Dolby Atmos sound technology Dolby Atmos sound technology
FEATURES Samsung Galaxy A21s Samsung Galaxy A04s
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, proximity sensor, gyro sensor, geomagnetic sensor Accelerometer, proximity sensor, light sensor
Security Devices Face recognition, fingerprint reader Fingerprint reader (side)
Additional Phone Features Samsung KNOX, Virtual Light Sensing Samsung KNOX
OTHERS Samsung Galaxy A21s Samsung Galaxy A04s
Included Accessories Power adapter -
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