Product
Samsung Galaxy S20 5G
Samsung Galaxy S20 5G
Samsung Galaxy M55s
Samsung Galaxy M55s
Battery
Charging 25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless 45W wired
Type Li-Ion 4000 mAh 5000 mAh
Body
Build Glass front (Gorilla Glass 6), glass back (Gorilla Glass 6), aluminum frame -
Dimensions 151.7 x 69.1 x 7.9 mm (5.97 x 2.72 x 0.31 in) 163.9 x 76.5 x 7.8 mm (6.45 x 3.01 x 0.31 in)
SIM Nano-SIM + eSIMNano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 163 g (5.75 oz) 180 g (6.35 oz)
  IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) -
Comms
Bluetooth 5.0, A2DP, LE 5.2, A2DP, LE
NFC Yes Yes
Positioning GPS, GLONASS, BDS, GALILEO GPS, GALILEO, GLONASS, BDS, QZSS
Radio FM radio (Snapdragon model only; market/operator dependent) No
USB USB Type-C 3.2, OTG USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 6 -
Resolution 1440 x 3200 pixels, 20:9 ratio (~563 ppi density) 1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
Size 6.2 inches, 93.8 cm2 (~89.5% screen-to-body ratio) 6.7 inches, 108.4 cm2 (~86.4% screen-to-body ratio)
Type Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (peak) Super AMOLED+, 120Hz, 1000 nits (HBM)
  120Hz@FHD/60Hz@QHD refresh rate -
Features
Sensors Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
  Samsung DeX, Samsung Wireless DeX (desktop experience support) ANT+ -
Launch
Announced 2020, February 11 2024, September 24
Status Available. Released 2020, March 06 Available. Released 2024, September 26
Main Camera
Features LED flash, auto-HDR, panorama LED flash, panorama, HDR
Triple 12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS 64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video 50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS 8 MP, f/2.2, 123˚ (ultrawide) 2 MP, f/2.4, (macro)
Video 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS 4K@30fps, 1080p@30/60fps, gyro-EIS, OIS
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)
Internal 128GB 8GB RAM, 128GB 12GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  UFS 3.0 -
Misc
Colors Cosmic Grey, Cloud Blue, Cloud Pink, Cloud White, Aura Red Thunder Black, Coral Green
Models SM-G981, SM-G981F, SM-G981F/DS, SM-G981B/DS, SM-G981U, SM-G981U1, SM-G981N, SM-G981B, SM-G9810, SM-G981W, SC-51A, SCG01 SM-M558B, SM-M558B/DS
SAR 1.07 W/kg (head)     1.03 W/kg (body)     0.93 W/kg (head)    
SAR EU 0.38 W/kg (head)     1.52 W/kg (body)     -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - SM-G981B 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 38, 40, 41, 66
5G bands 1, 3, 5, 7, 8, 28, 40, 77, 78 SA/NSA/Sub6 - SM-G981B 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Speed HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL) HSPA, LTE, 5G
Technology GSM / CDMA / HSPA / EVDO / LTE / 5G GSM / HSPA / LTE / 5G
  2, 5, 41, 66, 71 SA/NSA/Sub6 - SM-G981U -
Platform
Chipset Exynos 990 (7 nm+) - GlobalQualcomm SM8250 Snapdragon 865 5G (7 nm+) - USA Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU Octa-core (2x2.73 GHz Mongoose M5 & 2x2.50 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55) - GlobalOcta-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55) - USA Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU Mali-G77 MP11 - GlobalAdreno 650 - USA Adreno 644
OS Android 10, upgradable to Android 13, One UI 5.1 Android 14, up to 4 major Android upgrades, One UI 6.1
Selfie camera
Features HDR -
Single 10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, dual pixel PDAF 50 MP, f/2.4, (wide)
Video 4K@30/60fps, 1080p@30fps 4K@30fps, 1080p@30/60fps
Sound
3.5mm jack No No
Loudspeaker Yes, with stereo speakers Yes, with stereo speakers
  32-bit/384kHz audio Tuned by AKG -