Samsung Galaxy A40 vs. Xiaomi Redmi 7

Phone Comparison, Reviews and Tests

Detailed comparison and review of Samsung Galaxy A40 and Xiaomi Redmi 7. 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. Xiaomi Redmi 7 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy A40 Xiaomi Redmi 7
Product Type Smartphone Smartphone
Manufacturer Model Number SM-A405FN/DS -
Form Factor Touch Touch
Height 144.4 mm 158.73 mm Xiaomi Redmi 7 has greater height than Samsung Galaxy A40.
Width 69.2 mm 75.58 mm Xiaomi Redmi 7 has greater width than Samsung Galaxy A40.
Depth 7.9 mm 8.47 mm Samsung Galaxy A40 is narrower than Samsung Galaxy A40.
Weight 140 g 180 g Samsung Galaxy A40 is lighter than Samsung Galaxy A40.
Body Colour Blue | Coral | White | Black Comet blue
Waterproof (Water-resistant) - -
SAR Value 1.34 W/kg (body), 0.49 W/kg (head) 1.251 W/kg (body), 0.577 W/kg (head), 2.98 W/kg (limb)
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
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 Xiaomi Redmi 7
Display Type OLED display LCD display
Display Technology Super AMOLED -
Screen Size (Display Size) 5.9" 6.26" Xiaomi Redmi 7 has larger screen size than Samsung Galaxy A40.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 1520 x 720 pixels Samsung Galaxy A40 has better screen resolution than Xiaomi Redmi 7.
Display Format Full HD+ HD+
Pixel Density 439 ppi 269 ppi Samsung Galaxy A40 has better pixel density than Xiaomi Redmi 7.
Aspect Ratio - 19:9
Max Brightness - 450 cd/m²
Colour Depth 16.7 million colours -
Contrast Ratio - 1500:1
Display Enhancement Technology Blue light filter Sunlight mode
Display Features Always-on display, Infinity Display, Edge-to-Edge screen Reading mode, Colour temperature adjustment, Dot Drop display
Display Protection (Screen Protector) - Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR Samsung Galaxy A40 Xiaomi Redmi 7
Processor Type (CPU) Samsung Exynos Qualcomm Snapdragon 632
Processor Number 7904 -
Clock Speed 1.8 GHz 1.8 GHz Both phones have the same clock speed.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture - Yes Xiaomi Redmi 7 has 64-bit architecture.
Graphics System (GPU) - Qualcomm ADRENO 506
MEMORY Samsung Galaxy A40 Xiaomi Redmi 7
RAM 4 GB LPDDR3 SDRAM - 2 GB Samsung Galaxy A40 has more RAM than Xiaomi Redmi 7.
Internal Memory Size (Storage Capacity) 64 GB 16 GB Samsung Galaxy A40 has more internal memory than Xiaomi Redmi 7.
User Memory 49.4 GB -
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 512 GB microSDHC, microSDXC - up to 512 GB
CAMERA Samsung Galaxy A40 Xiaomi Redmi 7
MAIN CAMERA
Number of Main Cameras 2 2
Sensor Resolution 16 Megapixel 12 Megapixel Samsung Galaxy A40 has better camera resolution than Xiaomi Redmi 7.
Lens Type Wide-angle lens -
Lens Aperture F/1.7 F/2.2 Samsung Galaxy A40 has better lens aperture than Samsung Galaxy A40.
Pixel Size - 1.25 μm
Focus Adjustment Automatic Automatic
Special Effects - HDR
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 AI portrait mode, AI Beautify 4.0
Face Recognition (Face ID) - Face recognition Xiaomi Redmi 7 has face detection.
Light Source LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 1280 x 720 (720p) at 120 fps
Camera Features (Functions) AR sticker, Scene Optimiser, 20 different scenes, Smart professional framing, fault detection AI Dual camera, AI scene detection, 27 different scenes
SECOND CAMERA
Sensor Resolution (2nd Camera) 5 Megapixel 2 Megapixel Samsung Galaxy A40 has better second camera resolution than Xiaomi Redmi 7.
Lens Type (2nd Camera) Ultra wide-angle lens -
Lens Aperture (2nd Camera) F/2.2 -
Field of View (2nd Camera) 123 degree(s) -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 25 Megapixel 8 Megapixel Samsung Galaxy A40 has better front camera resolution than Xiaomi Redmi 7.
Lens Aperture (Front) F/2.0 F/2.0 Both phones have the same front camera lens aperture.
Pixel Size (Front) - 1.12 μm
Focus Adjustment Automatic -
Special Effects (Front) - HDR
Camera Modes (Front) Portrait mode, AR Emoji, Motion Photos AI portrait mode, AI Beautify 4.0
Face Recognition (Face ID) - Face recognition Xiaomi Redmi 7 has face detection.
Light Source (Front) Display flash Display flash
Camera Features (Front) Floating camera button Selfie countdown
BATTERY AND CHARGING Samsung Galaxy A40 Xiaomi Redmi 7
Battery Capacity (Battery Size) 3100 mAh 4000 mAh Xiaomi Redmi 7 has larger battery capacity than Samsung Galaxy A40.
Fast Charging Technology Samsung Fast Charging - Samsung Galaxy A40 has fast charging technology.
Talk Time 1080 minutes -
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
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CELLULAR Samsung Galaxy A40 Xiaomi Redmi 7
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 9.0 Pie -
User Interface Samsung One UI -
Intelligent Assistant Bixby -
Navigation GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS Samsung Galaxy A40 Xiaomi Redmi 7
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1900 GSM, 2100 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 20, Band 38, Band 40
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 800 DD, TDD 2600, TDD 2300
Wireless Interface IEEE 802.11a/b/g/n/ac, ANT+ Infrared (IrDA), IEEE 802.11b/g/n
Bluetooth Bluetooth 5.0 LE Bluetooth 4.2
NFC Yes - Samsung Galaxy A40 has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Samsung Galaxy A40 Xiaomi Redmi 7
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), apt-X, AMR-WB, AMR-NB, SBC, apt-X HD
Supported Digital Video Standards MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 MKV, MPEG-4, H.264, M4V
Sound Enhancements Dolby Atmos sound technology -
FEATURES Samsung Galaxy A40 Xiaomi Redmi 7
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, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor Accelerometer, ambient light sensor, digital compass, distance sensor
Security Devices Face recognition, fingerprint reader Fingerprint reader
Additional Phone Features Alarm Clock, Fast Charging Infrared remote control
OTHERS Samsung Galaxy A40 Xiaomi Redmi 7
Included Accessories Power adapter Protective cover, USB cable, power adapter, SIM card removal tool
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