Samsung Galaxy Note 21 Ultra vs Samsung Galaxy A57 512GB

Key Specs
Display 6.7""
Battery 4300 mAh
Camera 12 MP + 64 MP + 12 MP
Storage 256GB Built-in

Network
TechnologyGSM / CDMA / HSPA / EVDO / LTE
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
 CDMA 800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
 CDMA2000 1xEV-DO
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66
SpeedHSPA 42.2/5.76 Mbps, LTE-A (7CA) Cat20 2000/200 Mbps
Launch
Announced Not Available
Status Coming Soon
Body
Dimensions161.6 x 75.2 x 8.3 mm (6.36 x 2.96 x 0.33 in)
Weight192 g (6.77 oz)
BuildGlass front (Gorilla Glass 5), plastic back
SIMSingle SIM (Nano-SIM and/or eSIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)
 IP68 dust/water resistant (up to 1.5m for 30 mins)
Stylus, 26ms latency (Bluetooth integration, accelerometer, gyro)
Display for Samsung Galaxy Note 21 Ultra
TypeSuper AMOLED Plus, HDR10+
Size6.7 inches, 108.4 cm2 (~89.2% screen-to-body ratio)
Resolution1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
ProtectionCorning Gorilla Glass 5
 Always-on display
Platform
OSAndroid 10, upgradable to Android 11, One UI 3.0
ChipsetExynos 990 (7 nm+) - Global
Qualcomm SM8250 Snapdragon 865+ (7 nm+) - USA
CPUOcta-core (2x2.73 GHz Mongoose M5 & 2x2.50 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55) - Global
Octa-core (1x3.0 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585) - USA
GPUMali-G77 MP11 - Global
Adreno 650 - USA
Memory
Card slotNo
Internal256GB 8GB RAM
 UFS 3.0
Main Camera
Triple12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS
64 MP, f/2.0, 27mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 3x hybrid zoom
12 MP, f/2.2, 120˚, 13mm (ultrawide), 1/2.55", 1.4µm
FeaturesLED flash, auto-HDR, panorama
Video8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS
Selfie camera
Single10 MP, f/2.2, 26mm (wide), 1/3.2", 1.22µm, Dual Pixel PDAF
FeaturesDual video call, Auto-HDR
Video4K@30/60fps, 1080p@30fps
Sound
Loudspeaker Yes, with stereo speakers
3.5mm jack No
 32-bit/384kHz audio
Tuned by AKG
Comms
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
Bluetooth5.0, A2DP, LE, aptX
GPSYes, with A-GPS, GLONASS, BDS, GALILEO
NFCYes
RadioFM radio (Snapdragon model only; market/operator dependent)
USBUSB Type-C 3.2, USB On-The-Go
Features
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
 Samsung Wireless DeX (desktop experience support)
ANT+
Bixby natural language commands and dictation
Samsung Pay (Visa, MasterCard certified)
Battery
TypeLi-Ion 4300 mAh, non-removable
ChargingFast charging 25W
USB Power Delivery 3.0
Fast Qi/PMA wireless charging 15W
Reverse wireless charging 4.5W
space
Key Specs
Display 6.7""
Battery 5000 mAh
Camera 50 MP + 12 MP + 5 MP
Storage 512GB Built-in
Network
Technology GSM / HSPA / LTE / 5G
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 32, 38, 40, 41, 66
5G bands 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Speed HSPA, LTE, 5G
Launch
Announced 2026, March 25
Status Available. Released 2026, April 9
Body
Dimensions 161.5 x 76.8 x 6.9 mm (6.36 x 3.02 x 0.27 in)
Weight 179 g (6.31 oz)
Build Glass front (Gorilla Glass Victus+), aluminum frame, glass back (Gorilla Glass Victus+)
SIM · Nano-SIM + eSIM
· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
 IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Display for Samsung Galaxy A57 512GB
Type Super AMOLED+, 120Hz, HDR10+, 1200 nits (HBM), 1900 nits (peak)
Size 6.7 inches, 110.2 cm2 (~88.8% screen-to-body ratio)
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Protection Corning Gorilla Glass Victus+, Mohs level 5
Platform
OS Android 16, up to 6 major Android upgrades, One UI 8.5
Chipset Exynos 1680 (4 nm)
CPU Octa-core (1x2.9 GHz Cortex-720 & 4x2.6 GHz Cortex-720 & 3x1.95 GHz Cortex-520)
GPU Xclipse 550
Memory
Card slot No
Internal 512GB 12GB RAM
 UFS 3.1
Main Camera
Triple 50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS
12 MP, f/2.2, 13mm (ultrawide), 1/3.06", 1.12µm
5 MP, f/2.4, (macro)
Features Best Face, LED flash, panorama, HDR
Video 4K@30fps, 1080p@30/60fps, gyro-EIS
Selfie camera
Single 12 MP, f/2.2, (wide), 1/3.2", 1.12µm
Video 4K@30fps, 1080p@30/60fps, 10-bit HDR
Sound
Loudspeaker Yes, with stereo speakers
3.5mm jack No
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band or tri-band, Wi-Fi Direct
Bluetooth 6.0, A2DP, LE
Positioning GPS, GALILEO, GLONASS, BDS, QZSS
NFC Yes (market/region dependent)
Radio No
USB USB Type-C 2.0, OTG
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Type 5000 mAh
Charging 45W wired