Xiaomi Redmi 3S vs. Nokia XR21

Phone Comparison, Reviews and Tests

Detailed comparison and review of Xiaomi Redmi 3S and Nokia XR21. 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

Xiaomi Redmi 3S vs. Nokia XR21 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi Redmi 3S Nokia XR21
Product Type Smartphone Smartphone
Manufacturer Model Number - TA-1486
Form Factor Touch Touch - Rugged
Height 139.3 mm 168 mm Nokia XR21 has greater height than Xiaomi Redmi 3S.
Width 69.6 mm 78.58 mm Nokia XR21 has greater width than Xiaomi Redmi 3S.
Depth 8.5 mm 10.45 mm Xiaomi Redmi 3S is narrower than Xiaomi Redmi 3S.
Weight 144 g 231 g Xiaomi Redmi 3S is lighter than Xiaomi Redmi 3S.
Body Colour Gold Midnight black | Pine green
Body Material Metal Polycarbonate, thermoplastic polyurethane (TPU)
Protection - Dustproof, drop-proof, water-resistant
Waterproof (Water-resistant) - Yes Nokia XR21 is waterproof.
IP rating - IP68, IP69K, IP69
SAR Value 0.43 W/kg (body), 0.62 W/kg (head) 1.16 W/kg (body), 1.1 W/kg (head)
Integrated Components - LED flashlight
Connector Type Micro-USB - 5 pin Micro-USB Type B USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Micro SIM, nano SIM Nano SIM, Electronic SIM card (e-SIM)
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details Micro SIM + nano SIM/microSD -
DISPLAY Xiaomi Redmi 3S Nokia XR21
Screen Size (Display Size) 5" 6.49" Nokia XR21 has larger screen size than Xiaomi Redmi 3S.
Screen Resolution (Display Resolution) 1280 x 720 pixels 2400 x 1080 pixels Nokia XR21 has better screen resolution than Xiaomi Redmi 3S.
Display Format HD Full HD+
Aspect Ratio - 20:9
Max Brightness - 550 cd/m²
Display Refresh Rate - 120 Hz
Display Features - Glove & Wet Touch, 82% NTSC
Display Protection (Screen Protector) - Corning Gorilla Glass Victus (scratch resistant glass)
PROCESSOR Xiaomi Redmi 3S Nokia XR21
Processor Type (CPU) Qualcomm Snapdragon 430 Qualcomm Snapdragon 695 5G
Processor Number - SM6375
Clock Speed 1.4 GHz 2.2 GHz Nokia XR21 has higher clock speed than Xiaomi Redmi 3S.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Xiaomi Redmi 3S has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 505 Qualcomm ADRENO 619
MEMORY Xiaomi Redmi 3S Nokia XR21
RAM 2 GB 6 GB Nokia XR21 has more RAM than Xiaomi Redmi 3S.
Internal Memory Size (Storage Capacity) 16 GB 128 GB Nokia XR21 has more internal memory than Xiaomi Redmi 3S.
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 128 GB -
CAMERA Xiaomi Redmi 3S Nokia XR21
MAIN CAMERA
Number of Main Cameras 1 2
Sensor Resolution 13 Megapixel 64 Megapixel Nokia XR21 has better camera resolution than Xiaomi Redmi 3S.
Lens Aperture F/2.0 -
Lens Construction 5-element -
Focus Adjustment Automatic Automatic
Special Effects HDR -
Camera Modes Panorama, manual mode AI Portait, Night Mode 2.0, SpeedWarp camera mode, Action Cam mode, flash shot mode
Light Source LED light Dual LED flash
Video Resolutions 1920 x 1080 (1080p) -
Camera Features (Functions) Phase Detect Auto-Focus (PDAF) Corning Gorilla Glass DX+ (protective lens glass), UW Capture fusion
SECOND CAMERA
Sensor Resolution (2nd Camera) - 8 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 16 Megapixel Nokia XR21 has better front camera resolution than Xiaomi Redmi 3S.
Lens Aperture (Front) F/2.2 -
Camera Modes (Front) Beautify Selfie mode -
Face Recognition (Face ID) Face recognition - Xiaomi Redmi 3S has face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) -
BATTERY AND CHARGING Xiaomi Redmi 3S Nokia XR21
Battery Capacity (Battery Size) 4100 mAh 4800 mAh Nokia XR21 has larger battery capacity than Xiaomi Redmi 3S.
Fast Charging Technology - Qualcomm Quick Charge 3.0, Power Delivery 2.0 Nokia XR21 has fast charging technology.
Run Time Details - Mixed usage: up to 48 hrs
CELLULAR Xiaomi Redmi 3S Nokia XR21
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Nokia XR21 has more advanced generation mobile network.
Operating System - Android 12
User Interface MIUI V7 -
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC, A-GLONASS
COMMUNICATIONS Xiaomi Redmi 3S Nokia XR21
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE LTE, 5G NR
2G Band 900 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band - Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency - 2100, 1900, 1700, 850, 900
4G LTE Band Band 3, Band 5, Band 40 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 42, Band 43, Band 48, Band 66, Band 71
4G LTE Frequency FDD 1800+, FDD 850, TDD 2300 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 3700, TDD 3600, FDD 1700 - 2110 AWS-3, FDD 600
5G NR Band - N1, n2, n3, n5, n7, n20, n28, n41, n66, n71, n77, n78, n79, n40, n25
5G NR Frequency - FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 800, FDD 700APT, TDD TD 2500, FDD AWS-3, FDD 600, TDD TD 3700, TDD TD 3500, TDD TD 4500, TDD 2300, FDD 1900
Wireless Interface IEEE 802.11b/g/n IEEE 802.11a/b/g/n/ac/ax
Bluetooth Bluetooth 4.1 Bluetooth 5.1
Bluetooth Profiles HID -
NFC - Yes Nokia XR21 has NFC reader for mobile payments.
Modem - Snapdragon X51 5G
Messaging Services SMS, MMS -
MEDIA Xiaomi Redmi 3S Nokia XR21
Supported Digital Audio Standards AAC, PCM, MP3, FLAC, AC-3, AAC +, eAAC+, MIDI -
Supported Digital Video Standards MKV, VC-1, XviD, MPEG-4, ASF, DivX, MPEG-2, H.264, H.263, M4V, VP8, Sorenson Spark -
Sound Enhancements - OZO Playback technology, OZO spatial sound recording with wind noise reduction, audio boost mode
FEATURES Xiaomi Redmi 3S Nokia XR21
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Ambient light sensor, proximity sensor, digital compass, gyro sensor, gravity sensor Accelerometer, ambient light sensor, proximity sensor, digital compass, barometer, gyroscope
Security Devices - Face recognition, fingerprint reader (side)
Security Technology - Face Unlock
Additional Phone Features Infrared remote control, Reading mode Dual microphones, 4 years of Security Updates, dual stereo speakers, 3 years of OS updates, SOS light signal function
OTHERS Xiaomi Redmi 3S Nokia XR21
Included Accessories USB cable, power adapter, SIM card removal tool SIM card removal tool, USB-C cable
Compliant Standards - IP68, IP69K, MIL-STD-810H
Product Recycled Content - 100 % - aluminium inner chassis
Max Height of Shock Resistance - 1.8 m
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