iPhone 16 vs. Samsung Galaxy S25 Ultra: A Deep Dive into Flagship Supremacy

Apple and Samsung continue their annual battle for smartphone dominance. This year, the iPhone 16 and Galaxy S25 Ultra represent the pinnacle of their respective ecosystems, both leveraging cutting-edge 3nm chipsets. However, their approaches to battery life, display technology, and charging diverge significantly, creating a compelling choice for discerning consumers.
Phones Images

🏆 Quick Verdict

For the average user prioritizing longevity and charging flexibility, the Samsung Galaxy S25 Ultra emerges as the winner. Its significantly higher battery endurance (44:54h vs 37:00h) and faster charging (65% in 30 min) outweigh the iPhone 16’s slightly brighter display.

PHONES
Phone Names Apple iPhone 16 Samsung Galaxy S25 Ultra
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 34, 38, 39, 40, 41, 42, 48, 53, 66 - A32871, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International
5G bands1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 53, 66, 70, 75, 76, 77, 78, 79 SA/NSA/Sub6 - A32871, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International
SpeedHSPA, LTE, 5G, EV-DO Rev.A 3.1 MbpsHSPA, LTE (up to 7CA), 5G
TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
Launch
Announced2024, September 092025, January 22
StatusAvailable. Released 2024, September 20Available. Released 2025, February 03
Body
BuildGlass front (Ceramic Shield), glass back, aluminum frameGlass front (Corning Gorilla Armor 2), glass back (Gorilla Glass Victus 2), titanium frame (grade 5)
Dimensions147.6 x 71.6 x 7.8 mm (5.81 x 2.82 x 0.31 in)162.8 x 77.6 x 8.2 mm (6.41 x 3.06 x 0.32 in)
SIM· Nano-SIM + eSIM + eSIM (max 2 at a time; International)· eSIM + eSIM (8 or more, max 2 at a time; USA)· Nano-SIM + Nano-SIM (China)· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time) - INT· Nano-SIM + eSIM + eSIM (max 2 at a time) - USA· Nano-SIM + Nano-SIM - CN
Weight170 g (6.00 oz)218 g (7.69 oz)
Display
ProtectionCeramic Shield glass (2024 gen), Mohs level 4Corning Gorilla Armor 2, Mohs level 6
Resolution1179 x 2556 pixels, 19.5:9 ratio (~460 ppi density)1440 x 3120 pixels, 19.5:9 ratio (~498 ppi density)
Size6.1 inches, 91.7 cm2 (~86.8% screen-to-body ratio)6.9 inches, 116.9 cm2 (~92.5% screen-to-body ratio)
TypeSuper Retina XDR OLED, HDR10, Dolby Vision, 1000 nits (typ), 2000 nits (HBM)Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
Platform
CPUHexa-core (2x4.04 GHz + 4x2.20 GHz)Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
ChipsetApple A18 (3 nm)Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
GPUApple GPU (5-core graphics)Adreno 830 (1200 MHz)
OSiOS 18, upgradable to iOS 26.1Android 15, up to 7 major Android upgrades, One UI 7
Memory
Card slotNoNo
Internal128GB 8GB RAM, 256GB 8GB RAM, 512GB 8GB RAM256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM, 1TB 16GB RAM
Main Camera
Dual48 MP, f/1.6, 26mm (wide), 1/1.56", 1.0µm, dual pixel PDAF, sensor-shift OIS 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 0.7µm, dual pixel PDAF-
FeaturesDual-LED dual-tone flash, HDR (photo/panorama)Laser AF, Best Face, LED flash, auto-HDR, panorama
Quad-200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS 10 MP, f/2.4, 67mm (telephoto), 1/3.52", 1.12µm, PDAF, OIS, 3x optical zoom 50 MP, f/3.4, 111mm (periscope telephoto), 1/2.52", 0.7µm, PDAF, OIS, 5x optical zoom 50 MP, f/1.9, 120˚ (ultrawide), 1/2.5", 0.7µm, dual pixel PDAF, Super Steady video
Video4K@24/25/30/60fps, 1080p@25/30/60/120/240fps, HDR, Dolby Vision HDR (up to 60fps), stereo sound rec.8K@24/30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS
Selfie camera
FeaturesHDR, Dolby Vision HDR, 3D (spatial) audio, stereo sound rec.HDR, HDR10+
Single12 MP, f/1.9, 23mm (wide), 1/3.6", 1.0µm, PDAF SL 3D, (depth/biometrics sensor)12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Video4K@24/25/30/60fps, 1080p@25/30/60/120fps, gyro-EIS4K@30/60fps, 1080p@30fps
Sound
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.3, A2DP, LE5.4, A2DP, LE
NFCYesYes
PositioningGPS, GLONASS, GALILEO, BDS, QZSSGPS, GLONASS, BDS, GALILEO, QZSS
RadioNoNo
USBUSB Type-C 2.0, DisplayPortUSB Type-C 3.2, DisplayPort 1.2, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6/7, tri-band, hotspotWi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Features
SensorsFace ID, accelerometer, gyro, proximity, compass, barometerFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Battery
ChargingWired, PD2.0, 50% in 30 min 25W wireless (MagSafe), 15W wireless (China only) 15W wireless (Qi2) 4.5W reverse wired45W wired, PD3.0, 65% in 30 min 15W wireless (Qi2 Ready) 4.5W reverse wireless
TypeLi-Ion 3561 mAhLi-Ion 5000 mAh
Misc
ColorsBlack, White, Pink, Teal, UltramarineTitanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold
ModelsA3287, A3081, A3286, A3288, iPhone17,3SM-S938B, SM-S938B/DS, SM-S938U, SM-S938U1, SM-S938W, SM-S938N, SM-S9380, SM-S938E, SM-S938E/DS
Price$ 494.93 / C$ 945.75 / £ 569.99 / € 678.57 / ₹ 66,900€ 895.00 / $ 859.98 / £ 799.99 / ₹ 110,498
SAR1.08 W/kg (head)     1.17 W/kg (body)1.26 W/kg (head)     0.64 W/kg (body)
SAR EU1.24 W/kg (head)     1.41 W/kg (body)1.25 W/kg (head)     1.42 W/kg (body)
EU LABEL
Battery37:00h endurance, 1000 cycles44:54h endurance, 2000 cycles
EnergyClass BClass B
Free fallClass C (90 falls)Class A (270 falls)
RepairabilityClass CClass C

Apple iPhone 16

  • Brighter display for outdoor visibility
  • Longer battery cycle life (1000 cycles)
  • MagSafe wireless charging ecosystem

  • Shorter battery endurance (37:00h)
  • Slower wired charging speed

Samsung Galaxy S25 Ultra

  • Superior battery endurance (44:54h)
  • Faster wired charging (65% in 30 min)
  • Longer battery cycle life (2000 cycles)

  • Lower peak display brightness
  • Android ecosystem fragmentation

Display Comparison

The iPhone 16 boasts a measured peak brightness of 1708 nits, exceeding the Galaxy S25 Ultra’s 1417 nits. While this translates to better visibility in direct sunlight, the difference isn’t drastic. Both devices likely employ LTPO technology for adaptive refresh rates, though specifics are missing. The S25 Ultra’s display, while dimmer, benefits from Samsung’s established color calibration expertise. The iPhone 16’s brightness advantage is most noticeable in HDR content, but the S25 Ultra’s panel is still excellent.

Camera Comparison

Without detailed camera specifications, a direct comparison is limited. However, Samsung typically prioritizes high-resolution sensors and advanced computational photography, while Apple focuses on natural image processing. The S25 Ultra is likely to feature a larger main sensor, benefiting low-light performance. The iPhone 16’s image processing pipeline is known for its color accuracy and dynamic range. Both phones will likely offer excellent video recording capabilities, but Samsung’s hardware advantages may give it an edge in zoom capabilities.

Performance

Both the iPhone 16’s Apple A18 and the Galaxy S25 Ultra’s Snapdragon 8 Elite are built on a 3nm process, promising significant efficiency gains. However, the Snapdragon 8 Elite utilizes an octa-core configuration (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M) compared to the iPhone’s hexa-core (2x4.04 GHz + 4x2.20 GHz). This core count advantage *could* translate to better multi-threaded performance for demanding tasks like video editing. The Snapdragon 8 Elite’s Oryon V2 cores are designed for high performance, potentially closing the gap with Apple’s custom CPU cores. Thermal management will be crucial; the Snapdragon’s higher peak clock speeds may necessitate more aggressive throttling under sustained load.

Battery Life

The Galaxy S25 Ultra’s 44:54h endurance significantly surpasses the iPhone 16’s 37:00h. This is a substantial difference, translating to a full day of heavier use for the Samsung device. While the iPhone 16 offers 1000 battery cycles, indicating longevity, the S25 Ultra’s 2000 cycles suggest it will maintain capacity for a longer period. The S25 Ultra’s 45W wired charging (65% in 30 min) is faster than the iPhone 16’s 50% in 30 min. Both support 15W Qi2 wireless charging, but the iPhone 16 also offers 25W MagSafe, a proprietary advantage.

Buying Guide

Buy the Apple iPhone 16 if you prioritize seamless ecosystem integration, a refined software experience, and are heavily invested in the Apple ecosystem. Its 1000 battery cycles also offer a longer lifespan. Buy the Samsung Galaxy S25 Ultra if you demand maximum battery endurance, faster charging speeds, and a more versatile feature set, particularly if you’re comfortable with Android’s customization options.

Frequently Asked Questions

❓ Does the Snapdragon 8 Elite in the Galaxy S25 Ultra tend to throttle under heavy gaming loads?
While the Snapdragon 8 Elite is a powerful chipset, its higher peak clock speeds could lead to thermal throttling during extended gaming sessions. Samsung’s cooling system will be critical in mitigating this. The iPhone 16’s A18, with its lower peak clocks, may exhibit less throttling, but both phones will likely experience some performance reduction after prolonged use.
❓ How does MagSafe compare to Qi2 wireless charging in terms of charging speed and convenience?
MagSafe offers a faster 25W wireless charging speed compared to the standard 15W Qi2 supported by both devices. MagSafe also provides magnetic alignment, ensuring a more secure and efficient connection. However, Qi2 is a more universal standard, allowing compatibility with a wider range of accessories.
❓ What is the practical benefit of having 2000 battery cycles on the Galaxy S25 Ultra compared to the iPhone 16’s 1000?
A higher cycle count means the battery will retain a higher percentage of its original capacity after a greater number of charge/discharge cycles. The S25 Ultra’s 2000 cycles suggest it will maintain usable battery health for a longer period, potentially delaying the need for a battery replacement.