Samsung Galaxy S26 Ultra vs Samsung Galaxy A51 5G

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Brand Samsung Samsung
Versions — SM-A516B/DS (International), SM-A516U (USA), SM-A516F/DSN, SM-A516N (South Korea)
Announced 2026, February 25 2020, April 08
Released 2026, March 06 2020, April 29
Availability Available Available
Technology GSM / CDMA / HSPA / EVDO / LTE / 5G GSM / HSPA / LTE / 5G
2G Bands GSM 850 / 900 / 1800 / 1900CDMA 800 / 1900 & TD-SCDMA GSM 850 / 900 / 1800 / 1900
3G Bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100CDMA2000 1xEV-DO HSDPA 850 / 900 / 1900 / 2100 - SM-A516B/DSHSDPA 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 - International1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66, 71 - USA unlocked 1, 3, 4, 5, 7, 8, 12, 20, 28, 38, 40, 41 - SM-A516B/DS2, 4, 5, 12, 13, 25, 26, 41, 66, 71 - SM-A516U
5G Bands 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 41, 66, 71, 77, 78, 257, 258, 260, 261 SA/NSA/Sub6/mmWave - USA unlocked 41, 78 SA/NSA/Sub6 - SM-A516B/DS
Speed HSPA, LTE (CA), 5G HSPA, LTE, 5G
Dimensions 163.6 x 78.1 x 7.9 mm(6.44 x 3.07 x 0.31 in) 158.9 x 73.6 x 8.7 mm(6.26 x 2.90 x 0.34 in)
Weight 214 g (7.55 oz) 187 g (6.60 oz) Best
Build Glass front (Corning Gorilla Armor 2), glass back (Gorilla Glass Victus 2), aluminum frame (Armor Aluminum 2)Stylus Feature:Passive EMR input only (No Bluetooth / Air Actions) Glass front (Gorilla Glass 3), plastic back, aluminum frame
Stylus Yes, S Pen (built in, no Bluetooth/Air Actions) —
SIM Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time) - INTNano-SIM + eSIM + eSIM (max 2 at a time) - USANano-SIM + Nano-SIM - CN · Nano-SIM· Nano-SIM + Nano-SIM
Protection / IP Rating IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)Armor Aluminum 2 —
Display Type Dynamic LTPO AMOLED 2X Super AMOLED
Display Size 6.9 inches, 115.9 cm2 (~90.7% screen-to-body ratio) Best 6.5 inches, 102.0 cm2 (~87.2% screen-to-body ratio)
Resolution 1440 x 3120 pixels, 19.5:9 ratio 1080 x 2400 pixels, 20:9 ratio
Pixel Density ~500 ppi Best ~405 ppi
Refresh Rate 120Hz Best 60Hz
Peak Brightness 2600 nits (peak) Best 400 to 420 nits
Protection Corning Gorilla Armor 2DX anti-reflective coatingPrivacy Display Corning Gorilla Glass 3
Display Features HDR10+ Infinity-O
Operating System Android Android
OS Version 16 10
Update Support Upgradable to Android 17; up to 7 major OS updates Upgradable to Android 13
User Interface One UI 8.5, upgradable to One UI 8.5 One UI 2.1, Upgradable to One UI 5
Chipset Qualcomm SM8850-1-AD Snapdragon 8 Elite Gen 5 for Galaxy (3 nm) Exynos 980 (8 nm)
CPU Octa-core (2x4.74 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M) Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55)
GPU Adreno 840 (1.3GHz) Mali-G76 MP5
RAM Options 12GB, 16GB 4GB, 6GB, 8GB
Storage Options 256GB / 12GB RAM512GB / 12GB RAM1TB / 16GB RAM 128GB / 4GB RAM128GB / 6GB RAM128GB / 8GB RAM
Storage Type UFS 4.X UFS 2.1
Card Slot No microSDXC (uses shared SIM slot)
Cameras Quad camera Triple camera
Modules 200 MP, f/1.4, 23mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS10 MP, f/2.4, 67mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom50 MP, f/2.9, 111mm (periscope telephoto), 1/2.52", 0.7µm, PDAF, OIS, 5x optical zoom50 MP, f/1.9, 120˚ (ultrawide), 1/2.5", 0.7µm, dual pixel PDAF, Super Steady video Best 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF12 MP, f/2.2, 123˚ (ultrawide)5 MP (macro)Auxiliary lens
Features Laser AF, Best Face, Horizon Lock, LED flash, auto-HDR, panorama LED flash, panorama, HDR
Video 8K@24/30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS 4K@30fps, 1080p@30/120fps, gyro-EIS
Cameras Single camera Single camera
Modules 12 MP, f/2.2, 23mm (wide), 1/3.2", 1.12µm, dual pixel PDAF 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm Best
Features HDR, HDR10+ HDR
Video 4K@30/60fps, 1080p@30fps 4K@30fps, 1080p@30fps
Loudspeaker Yes, with stereo speakers Yes
Audio Jack No Yes
Audio Codec High-bitrate audio support —
WLAN Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth 6.0, A2DP, LE 5.0, A2DP, LE
GPS / Positioning GPS, GLONASS, BDS, GALILEO, QZSS GPS, GLONASS, GALILEO, BDS
NFC Yes Yes
Radio No FM radio, RDS, recording
USB USB Type-C 3.2, DisplayPort 1.2, OTG USB Type-C 2.0, OTG
Fingerprint Yes, (under display, ultrasonic) Yes, (under display, optical)
Face Unlock Yes Yes
Sensors Accelerometer, gyro, proximity, compass, barometer Accelerometer, gyro, proximity, compass
Other Features Samsung DeX, Samsung Wireless DeX (desktop experience support)Ultra Wideband (UWB) support ANT+
Battery Type Li-Ion Li-Po
Battery Capacity 5000 mAh Best 4500 mAh
Wired Charging 60W wired, PD3.0, 75% in 30 min Best 15W wired
Wireless Charging 25W wireless (Qi2.2) No
Reverse Wireless Charging 4.5W reverse wireless —
Colours Cobalt Violet, Sky Blue, Black, White, Silver Shadow, Pink Gold Prism Cube Black, Prism Cube White, Prism Cube Pink
Models SM-S948B, SM-S948B/DS, SM-S948U, SM-S948U1, SM-S948W, SM-S948N, SM-S9480, SM-S948E, SM-S948E/DS SM-A516F, SM-A516F/DSN, SM-A516N, SM-A516B/DS, SM-A516B, SM-A516U, SC-54A, SM-A516U1, SCG07, SM-A5160
SAR 1.09 W/kg (head) 1.19 W/kg (body) —
SAR EU 1.28 W/kg (head) 1.35 W/kg (body) 0.50 W/kg (head) 1.55 W/kg (body) Best