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Samsung Galaxy S21 vs Samsung Galaxy S24

2G Network SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900   SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100   HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100  
4G Network LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100)   LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100)  
5G Network 5G SA/NSA   SA/NSA/Sub6  
Dimensions 151.7 x 71.2 x 7.9 mm   147 x 70.6 x 7.6 mm  
Sim Type Dual Sim, Dual Standby, eSIM (Nano-SIM)   Nano-SIM + eSIM or Dual SIM (2 Nano-SIMs + eSIM, dual stand-by)  
Weight 171 g   167 g  
Display Type Eye Comfort Shield, Always-on display, 120Hz, HDR10+, 1300 nits (peak)   Dynamic LTPO AMOLED 2X Capacitive Touchscreen, Multitouch   120Hz, HDR10+, 2600 nits (peak)  
Display Size 1080 x 2400 Pixels (~424 PPI)   6.2 Inches   1080 x 2340 Pixels (~416 PPI)  
Protection Corning Gorilla Glass Victus   Corning Gorilla Glass Victus 2  
Memory 128/256GB Built-in, 8GB RAM, UFS 3.1   128/256/512GB Built-in, 8GB RAM, UFS 3.1 - 128GB only, UFS 4.0  
Card slot No   No  
GPRS Yes Yes
WLAN Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot   Wi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct  
BlueTooth v5.0 with A2DP, LE   v5.3 with A2DP, LE  
USB USB Type-C 3.2, USB On-The-Go   USB Type-C 3.2, OTG  
NFC Yes   Yes  
GPS Yes + A-GPS support & Glonass, BDS, GALILEO   Yes + A-GPS support & Glonass, BDS, GALILEO  
Main Camera Geo-tagging, touch focus, face/smile detection, Auto HDR, panorama, Video ([email protected], [email protected]/60fps, [email protected]/60/120fps, [email protected], HDR10+, stereo sound rec., gyro-EIS & OIS)   Triple Camera: 50 MP, f/1.8, 24mm (wide), 1/1.56", Dual Pixel PDAF, OIS + 10 MP, f/2.4, 67mm (telephoto), 1/3.94", PDAF, OIS, 3x optical zoom + 12 MP, f/2.2, 13mm, (ultrawide), 1/2.55", Super Steady video, LED Flash   Auto HDR, panorama, Video (8K@24/30fps, 4K@30/60fps, 1080p@30/60/240fps, 1080p@960fps, HDR10+, stereo sound rec., gyro-EIS)  
Front Camera 10 MP, f/2.2, 26mm (wide), 1/3.24   12 MP, f/2.2, 26mm (wide), Dual Pixel PDAF, 12 MP, f/2.2, 26mm (wide), Dual Pixel PDAF, Video (4K@30/60fps, 1080p@30fp)  
OS Android 11 OS   Android 14 OS  
Chipset Exynos 2100 (5 nm)   Exynos 2400 (4 nm)  
Processor Octa-core (1 x 2.9 GHz Cortex-X1 + 3 x 2.80 GHz Cortex-A78 + 4 x 2.2 GHz Cortex-A55)   Deca-core (1 x 3.2 GHz Cortex-X4 + 2 x 2.90 GHz Cortex-A720 + 3 x 2.60 GHz Cortex-A720 + 4 x 2.0 GHz Cortex-A520)  
GPU Mali-G78 MP14   Xclipse 940  
Sensors Accelerometer, Barometer, Compass, Fingerprint (under display, ultrasonic), Gyro, Proximity, SpO2   Accelerometer, Barometer, Compass, FingerPrint (under display, ultrasonic), Gyro, Proximity  
Browser HTML5   HTML5  
Sound 32-bit/384kHz audio, MP4/DivX/XviD/WMV/H.265 player, MP3/WAV/WMA/eAAC+/FLAC player, Speaker Phone   32-bit/384kHz audio Tuned by AKG, Speaker Phone  
Colors Phantom Gray, Phantom White, Phantom Violet, Phantom Pink   Onyx Black, Marble Grey, Cobalt Violet, Amber Yellow, Jade Green, Sandstone Orange, Sapphire Blue  
Battery - Fast charging 25W, USB Power Delivery 3.0, Fast Qi/PMA wireless charging 15W, Reverse wireless charging 4.5W   (Li-ion Non removable), 4000 mAh   - Fast charging 25W wired, PD3.0, 50% in 30 min (advertised), 15W wireless (Qi/PMA), 4.5W reverse wireless  
Misc Glass front + Gorilla Glass Victus), Plastic back, Aluminum frame, Stylus support, Tuned by AKG, Active noise cancellation with dedicated mic, ANT+, Bixby natural language commands and dictation, Samsung DeX, Samsung Wireless DeX (desktop experience support), Samsung Pay (Visa, MasterCard certified), IP68 dust/water resistant (up to 1.5m for 30 mins), Document viewer, Photo/video editor   SMS(threaded view), MMS, Email, Push Mail, IM   Glass front + Gorilla Glass Victus 2), Glass back + Gorilla Glass Victus 2), Aluminum frame, IP68 dust/water resistant (up to 1.5m for 30 min), Armor aluminum 2 frame with tougher drop and scratch resistance (advertised), Document viewer, Photo/video editor