Screen size
Quick verdict
Galaxy S20 Ultra leads the measured specs 8-7.
Measured wins
Galaxy A57
7
spec wins
Ties
8
equal specs
Galaxy S20 Ultra
8
spec wins
Overall winner
Screen size
Resolution
Refresh rate
equal specsPeak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain camera
Front camera
Battery
equal specsWired charging
equal specsWeight
Thickness
IP rating
equal specsWi‑Fi
Bluetooth
USB
5G support
NFC
equal specs3.5mm jack
equal specsSD card
Stereo speakers
equal specsTechnology
Galaxy A57
GSM / HSPA / LTE / 5G
Galaxy S20 Ultra
GSM / CDMA / HSPA / EVDO / LTE
2G bands
Galaxy A57
GSM 850 / 900 / 1800 / 1900
Galaxy S20 Ultra
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900 & TD-SCDMA
3G bands
Galaxy A57
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Galaxy S20 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
4G bands
Galaxy A57
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 32, 38, 40, 41, 66
Galaxy S20 Ultra
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66
5G bands
Galaxy A57
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Galaxy S20 Ultra
-
Speed
Galaxy A57
HSPA, LTE, 5G
Galaxy S20 Ultra
HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps
Announced
Galaxy A57
2026, March 25
Galaxy S20 Ultra
2020, February 11
Status
Galaxy A57
Released Apr 10, 2026
Galaxy S20 Ultra
Available. Released 2020, March 15
Dimensions
Galaxy A57
161.5 x 76.8 x 6.9 mm (6.36 x 3.02 x 0.27 in)
Galaxy S20 Ultra
166.9 x 76 x 8.8 mm (6.57 x 2.99 x 0.35 in)
Weight
Galaxy A57
179 g (6.31 oz)
Galaxy S20 Ultra
220 g (7.76 oz)
Build
Galaxy A57
Glass front (Gorilla Glass Victus+), aluminum frame, glass back (Gorilla Glass Victus+)
Galaxy S20 Ultra
Glass front (Gorilla Glass 6), glass back (Gorilla Glass 6), aluminum frame
SIM
Galaxy A57
· Nano-SIM + eSIM· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
Galaxy S20 Ultra
· Nano-SIM + eSIM· Nano-SIM + Nano-SIM
Other
Galaxy A57
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Galaxy S20 Ultra
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Type
Galaxy A57
Super AMOLED+, 120Hz, HDR10+, 1200 nits (HBM), 1900 nits (peak)
Galaxy S20 Ultra
Dynamic AMOLED 2X, 120Hz, HDR10+, 1400 nits (peak)
Size
Galaxy A57
6.7 inches, 110.2 cm2 (~88.8% screen-to-body ratio)
Galaxy S20 Ultra
6.9 inches, 114.0 cm2 (~89.9% screen-to-body ratio)
Resolution
Galaxy A57
1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Galaxy S20 Ultra
1440 x 3200 pixels, 20:9 ratio (~511 ppi density)
Protection
Galaxy A57
Corning Gorilla Glass Victus+, Mohs level 5
Galaxy S20 Ultra
Corning Gorilla Glass 6
Other
Galaxy A57
-
Galaxy S20 Ultra
120Hz@FHD/60Hz@QHD refresh rate
OS
Galaxy A57
Android 16, up to 6 major Android upgrades, One UI 8.5
Galaxy S20 Ultra
Android 10, upgradable to Android 13, One UI 5
Chipset
Galaxy A57
Exynos 1680 (4 nm)
Galaxy S20 Ultra
Exynos 990 (7 nm+)Qualcomm SM8250 Snapdragon 865 5G (7 nm+)
CPU
Galaxy A57
Octa-core (1x2.9 GHz Cortex-720 & 4x2.6 GHz Cortex-720 & 3x1.95 GHz Cortex-520)
Galaxy S20 Ultra
Octa-core (2x2.73 GHz Mongoose M5 & 2x2.50 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55)Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55)
GPU
Galaxy A57
Xclipse 550
Galaxy S20 Ultra
Mali-G77 MP11Adreno 650
Card slot
Galaxy A57
No
Galaxy S20 Ultra
microSDXC (uses shared SIM slot)
Internal
Galaxy A57
128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM
Galaxy S20 Ultra
128GB 12GB RAM, 512GB 16GB RAM
Other
Galaxy A57
UFS
Galaxy S20 Ultra
UFS 3.0
Triple
Galaxy A57
50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS 12 MP, f/2.2, 123˚ (ultrawide), 1/3.06", 1.12µm 5 MP, f/2.4, (macro)
Galaxy S20 Ultra
108 MP, f/1.8, 26mm (wide), 1/1.33", 0.8µm, PDAF, OIS 48 MP, f/3.5, 103mm (periscope telephoto), 1/2.0", 0.8µm, PDAF, OIS, 4x optical zoom, 10x hybrid zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video 0.3 MP, TOF 3D, f/1.0, (depth)
Features
Galaxy A57
Best Face, LED flash, panorama, HDR
Galaxy S20 Ultra
LED flash, auto-HDR, panorama
Video
Galaxy A57
4K@30fps, 1080p@30/60fps, HDR, gyro-EIS
Galaxy S20 Ultra
8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS
Single
Galaxy A57
12 MP, f/2.2, (wide), 1/3.2", 1.12µm
Galaxy S20 Ultra
40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, PDAF
Video
Galaxy A57
4K@30fps, 1080p@30/60fps, 10-bit HDR
Galaxy S20 Ultra
4K@30/60fps, 1080p@30fps
Features
Galaxy A57
-
Galaxy S20 Ultra
HDR
Loudspeaker
Galaxy A57
Yes, with stereo speakers
Galaxy S20 Ultra
Yes, with stereo speakers
3.5mm jack
Galaxy A57
No
Galaxy S20 Ultra
No
Other
Galaxy A57
-
Galaxy S20 Ultra
High-bitrate audio support Tuned by AKG
WLAN
Galaxy A57
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band or tri-band, Wi-Fi Direct
Galaxy S20 Ultra
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth
Galaxy A57
6.0, A2DP, LE
Galaxy S20 Ultra
5.0, A2DP, LE
Positioning
Galaxy A57
GPS, GALILEO, GLONASS, BDS, QZSS
Galaxy S20 Ultra
GPS, GLONASS, BDS, GALILEO
NFC
Galaxy A57
Yes (market/region dependent)
Galaxy S20 Ultra
Yes
Radio
Galaxy A57
No
Galaxy S20 Ultra
FM radio (USA & Canada only)
USB
Galaxy A57
USB Type-C 2.0, OTG
Galaxy S20 Ultra
USB Type-C 3.2, OTG
Sensors
Galaxy A57
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Galaxy S20 Ultra
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Other
Galaxy A57
-
Galaxy S20 Ultra
Samsung DeX, Samsung Wireless DeX (desktop experience support) ANT+
Type
Galaxy A57
5000 mAh
Galaxy S20 Ultra
Li-Ion 5000 mAh
Charging
Galaxy A57
45W wired
Galaxy S20 Ultra
45W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless
Colors
Galaxy A57
Navy, Gray, Icyblue, Lilac
Galaxy S20 Ultra
Cosmic Grey, Cosmic Black, Cloud White
Models
Galaxy A57
SM-A576B, SM-A576B/DS, SM-A576Q, SM-A576U1, SM-A576W, SM-A576Z, SM-A5760
Galaxy S20 Ultra
SM-G988B/DS
SAR
Galaxy A57
0.85 W/kg (head) 1.20 W/kg (body)
Galaxy S20 Ultra
0.94 W/kg (head) 0.95 W/kg (body)
SAR EU
Galaxy A57
0.70 W/kg (head) 1.07 W/kg (body)
Galaxy S20 Ultra
0.32 W/kg (head) 1.56 W/kg (body)
Price
Galaxy A57
₹ 56,999
Galaxy S20 Ultra
About 690 EUR