Samsung Galaxy A40 vs. Samsung Galaxy S21 FE 5G

Phone Comparison, Reviews and Tests

Detailed comparison and review of Samsung Galaxy A40 and Samsung Galaxy S21 FE 5G. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.

Phone Specifications Comparison

Samsung Galaxy A40 vs. Samsung Galaxy S21 FE 5G Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A40 Samsung Galaxy S21 FE 5G
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A405FN/DS SM-G990B/DS
Form Factor Touch Touch
Height 144.4 mm 155.7 mm Samsung Galaxy S21 FE 5G has greater height than Samsung Galaxy A40.
Width 69.2 mm 74.5 mm Samsung Galaxy S21 FE 5G has greater width than Samsung Galaxy A40.
Depth 7.9 mm 7.9 mm Both phones are the same depth.
Weight 140 g 177 g Samsung Galaxy A40 is lighter than Samsung Galaxy A40.
Body Colour Blue | Coral | White | Black Olive | Graphite | White | Lavender
Protection - Dustproof, splashproof, water-resistant
Waterproof (Water-resistant) - -
IP rating - IP68
SAR Value 1.34 W/kg (body), 0.49 W/kg (head) 1.48 W/kg (body), 0.952 W/kg (head), 2.91 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
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details Nano SIM + nano SIM/microSD -
DISPLAY Samsung Galaxy A40 Samsung Galaxy S21 FE 5G
Display Type OLED display OLED display
Display Technology Super AMOLED Infinity-O Dynamic AMOLED 2X
Screen Size (Display Size) 5.9" 6.4" Samsung Galaxy S21 FE 5G has larger screen size than Samsung Galaxy A40.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 2340 x 1080 pixels Both phones have the same screen resolution.
Display Format Full HD+ Full HD+
Pixel Density 439 ppi 401 ppi Samsung Galaxy A40 has better pixel density than Samsung Galaxy S21 FE 5G.
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
HDR Technology - HDR10+
Display Enhancement Technology Blue light filter Eye Comfort Shield
Display Refresh Rate - 120 Hz
Display Features Always-on display, Infinity Display, Edge-to-Edge screen AOD(Always On Display), Infinity O display, Video Wallpaper
Display Protection (Screen Protector) - Corning Gorilla Glass Victus (scratch resistant glass)
PROCESSOR Samsung Galaxy A40 Samsung Galaxy S21 FE 5G
Processor Type (CPU) Samsung Exynos -
Processor Number 7904 -
Clock Speed 1.8 GHz 2.84 GHz Samsung Galaxy S21 FE 5G has higher clock speed than Samsung Galaxy A40.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
MEMORY Samsung Galaxy A40 Samsung Galaxy S21 FE 5G
RAM 4 GB 6 GB Samsung Galaxy S21 FE 5G has more RAM than Samsung Galaxy A40.
Internal Memory Size (Storage Capacity) 64 GB 128 GB Samsung Galaxy S21 FE 5G has more internal memory than Samsung Galaxy A40.
User Memory 49.4 GB 101.1 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB -
CAMERA Samsung Galaxy A40 Samsung Galaxy S21 FE 5G
MAIN CAMERA
Number of Main Cameras 2 3
Sensor Resolution 16 Megapixel 12 Megapixel Samsung Galaxy A40 has better camera resolution than Samsung Galaxy S21 FE 5G.
Sensor Size - 1/1.76"
Lens Type Wide-angle lens Wide-angle lens
Lens Aperture F/1.7 F/1.8 Samsung Galaxy A40 has better lens aperture than Samsung Galaxy A40.
Field of View (FoV) - 79 degree(s)
Pixel Size - 1.8 μm
Optical Image Stabiliser (OIS) - Optical Image Stabiliser (OIS) Samsung Galaxy S21 FE 5G has optical stabilisation.
Focus Adjustment Automatic Automatic
Optical Zoom - 3x
Digital Zoom - 30x
Special Effects - Face retouch, Grid Line
HDR Mode - Auto HDR mode
Camera Modes Panorama, Pro mode, HYPERLAPSE, portrait mode, AR Emoji, Flowers, Animals, Landscapes, Trees, Sky, Mountains, Beaches, Street scenes, Waterfalls, Snow, Birds, Text, Food, Indoor, Night view, Sunsets, Portaits, Green, Sunrises, Shore Night mode, portrait mode
Light Source LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1280 x 720 (720p) at 960 fps
Camera Features (Functions) AR sticker, Scene Optimiser, 20 different scenes, Smart professional framing, fault detection Dual recording
SECOND CAMERA
Sensor Resolution (2nd Camera) 5 Megapixel 12 Megapixel Samsung Galaxy S21 FE 5G has better second camera resolution than Samsung Galaxy A40.
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.
Field of View (2nd Camera) 123 degree(s) 123 degree(s) Both phones have the same second camera lens field of view.
Pixel Size (2nd Camera) - 1.12 μm
THIRD CAMERA
Sensor Resolution (3rd Camera) - 8 Megapixel
Lens Type (3rd Camera) - Telephoto lens
Lens Aperture (3rd Camera) - F/2.4
Field of View (3rd Camera) - 32 degree(s)
Pixel Size (3rd Camera) - 1 μm
Camera Features (3rd Camera) - Space Zoom x30
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 25 Megapixel 32 Megapixel Samsung Galaxy S21 FE 5G has better front camera resolution than Samsung Galaxy A40.
Lens Aperture (Front) F/2.0 F/2.2 Samsung Galaxy A40 has better front lens aperture than Samsung Galaxy A40.
Field of View (Front) - 81 degree(s)
Pixel Size (Front) - 0.8 μm
Focus Adjustment Automatic Focus free
Camera Modes (Front) Portrait mode, AR Emoji, Motion Photos -
Light Source (Front) Display flash -
Camera Features (Front) Floating camera button -
BATTERY AND CHARGING Samsung Galaxy A40 Samsung Galaxy S21 FE 5G
Battery Capacity (Battery Size) 3100 mAh 4500 mAh Samsung Galaxy S21 FE 5G has larger battery capacity than Samsung Galaxy A40.
Fast Charging Technology Samsung Fast Charging Samsung Fast Charging Both phones have fast charging technology.
Wireless Charging - Yes Samsung Galaxy S21 FE 5G can be charged wirelessly.
Wireless Charging Standards - Wireless PowerShare
Talk Time 1080 minutes 2220 minutes Samsung Galaxy S21 FE 5G has longer battery life when making calls than Samsung Galaxy A40.
Run Time Details Active online usage (3G): up to 9 hrs
Active online usage (4G): up to 11 hrs
Active online usage (Wi-Fi): up to 11 hrs
Playback (video): up to 14 hrs
Playback (audio): up to 62 hrs
Talk (3G): up to 1080 min
Talk (LTE): up to 2220 min
Active online usage (LTE): up to 13 hrs
Active online usage (Wi-Fi): up to 13 hrs
Playback (video): up to 16 hrs
Playback (audio): up to 79 hrs
CELLULAR Samsung Galaxy A40 Samsung Galaxy S21 FE 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Samsung Galaxy S21 FE 5G has more advanced generation mobile network.
Operating System Android 9.0 Pie Android 12
User Interface Samsung One UI -
Intelligent Assistant Bixby Bixby
Payment Technology - Samsung Pay
Navigation GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS Samsung Galaxy A40 Samsung Galaxy S21 FE 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE, 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 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 850, 900 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40, Band 41 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 20, Band 26, Band 28, Band 32, Band 38, Band 40, Band 41, Band 66
4G LTE Frequency FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
5G NR Band - N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, 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 3500, TDD 2300
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+ 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 A40 Samsung Galaxy S21 FE 5G
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID WAV, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID
Supported Digital Video Standards MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 MKV, FLV, AVI, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements Dolby Atmos sound technology Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound
FEATURES Samsung Galaxy A40 Samsung Galaxy S21 FE 5G
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor, light sensor
Security Devices Face recognition, fingerprint reader Fingerprint reader
Additional Phone Features Alarm Clock, Fast Charging MIMO technology, Fast Charging, Samsung KNOX, Samsung DeX support, Samsung Smart Switch, Game mode
OTHERS Samsung Galaxy A40 Samsung Galaxy S21 FE 5G
Included Accessories Power adapter SIM card removal tool, USB-C cable
Compliant Standards - IP68
Max Depth of Water Resistance - 1.5 m
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