iPhone 17 vs. Galaxy S25 Ultra: A Deep Dive into Apple and Samsung's 2025 Flagships

As the 2025 flagship season heats up, Apple’s iPhone 17 and Samsung’s Galaxy S25 Ultra represent the pinnacle of smartphone technology. This comparison isn’t just about specs; it’s about understanding how Apple’s vertically integrated approach stacks up against Samsung’s hardware flexibility and Android ecosystem. We’ll dissect the key differences to help you choose the right device.
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🏆 Quick Verdict

For the average user prioritizing long-term battery life and a brighter display, the Samsung Galaxy S25 Ultra emerges as the winner. Its significantly higher battery endurance (44:54h vs 41:00h) and peak brightness (1417 nits vs 1012 nits) provide a tangible advantage, despite the iPhone 17’s efficient A19 chip.

PHONES
Phone Names Apple iPhone 17 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 - A35201, 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, 77, 78, 79 SA/NSA/Sub6 - A35201, 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
Announced2025, September 092025, January 22
StatusAvailable. Released 2025, September 19Available. Released 2025, February 03
Body
BuildGlass front (Ceramic Shield 2), aluminum frame, glass backGlass front (Corning Gorilla Armor 2), glass back (Gorilla Glass Victus 2), titanium frame (grade 5)
Dimensions149.6 x 71.5 x 8 mm (5.89 x 2.81 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
Weight177 g (6.24 oz)218 g (7.69 oz)
Display
ProtectionCeramic Shield 2, Mohs level 5Corning Gorilla Armor 2, Mohs level 6
Resolution1206 x 2622 pixels, 19.5:9 ratio (~460 ppi density)1440 x 3120 pixels, 19.5:9 ratio (~498 ppi density)
Size6.3 inches, 96.4 cm2 (~90.1% screen-to-body ratio)6.9 inches, 116.9 cm2 (~92.5% screen-to-body ratio)
TypeLTPO Super Retina XDR OLED, 120Hz, HDR10, Dolby Vision, 1000 nits (typ), 1600 nits (HBM), 3000 nits (peak)Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
Platform
CPUHexa-core (2x4.26 GHz + 4xX.X GHz)Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
ChipsetApple A19 (3 nm)Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
GPUApple GPU (5-core graphics)Adreno 830 (1200 MHz)
OSiOS 26, upgradable to iOS 26.1Android 15, up to 7 major Android upgrades, One UI 7
Memory
Card slotNoNo
Internal256GB 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 48 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 0.7µm, 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+
Single18 MP multi-aspect, f/1.9, 20mm (ultrawide), 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
Bluetooth6.0, A2DP, LE5.4, A2DP, LE
NFCYesYes
PositioningGPS (L1+L5), GLONASS, GALILEO, BDS, QZSS, NavICGPS, 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, PD3.2, AVS, 50% in 20 min 25W wireless MagSafe/Qi2, 50% in 30 min (15W - China) 4.5W reverse wired45W wired, PD3.0, 65% in 30 min 15W wireless (Qi2 Ready) 4.5W reverse wireless
TypeLi-Ion 3692 mAhLi-Ion 5000 mAh
Misc
ColorsBlack, White, Mist Blue, Sage, LavenderTitanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold
ModelsiPhone18,3, A3520, A3258, A3519, A3521SM-S938B, SM-S938B/DS, SM-S938U, SM-S938U1, SM-S938W, SM-S938N, SM-S9380, SM-S938E, SM-S938E/DS
Price£ 799.00 / € 949.00€ 895.00 / $ 859.98 / £ 799.99 / ₹ 110,498
SAR1.19 W/kg (head)     1.19 W/kg (body)1.26 W/kg (head)     0.64 W/kg (body)
SAR EU1.49 W/kg (head)     1.49 W/kg (body)1.25 W/kg (head)     1.42 W/kg (body)
EU LABEL
Battery41:00h endurance, 1000 cycles44:54h endurance, 2000 cycles
EnergyClass AClass B
Free fallClass B (180 falls)Class A (270 falls)
RepairabilityClass CClass C

Apple iPhone 17

  • Seamless Apple ecosystem integration
  • Optimized software and long-term updates
  • Strong single-core performance with A19 chip

  • Lower peak display brightness
  • Shorter battery lifespan (charge cycles)
  • Less customizable operating system

Samsung Galaxy S25 Ultra

  • Superior battery endurance and lifespan
  • Brighter display for outdoor visibility
  • More versatile Android operating system

  • Potential for software bloatware
  • Slightly slower single-core performance
  • Update fragmentation compared to iOS

Display Comparison

The Samsung Galaxy S25 Ultra boasts a significantly brighter display, reaching a measured 1417 nits compared to the iPhone 17’s 1012 nits. This translates to superior visibility outdoors under direct sunlight. While both devices utilize Qi2 wireless charging, the display technology likely differs; Samsung typically employs LTPO panels for adaptive refresh rates, potentially offering better power efficiency than the iPhone 17’s display, though Apple’s color accuracy is historically excellent. The impact of these differences is a more vibrant and easily viewable experience on the S25 Ultra.

Camera Comparison

Without specific camera specs, it’s difficult to make a definitive judgment. However, Samsung typically prioritizes high-resolution sensors and advanced zoom capabilities. The Galaxy S25 Ultra will likely feature a larger main sensor and more versatile zoom lenses than the iPhone 17. Apple focuses on computational photography and natural-looking images. The image processing style will be a key differentiator; Samsung tends towards more saturated colors, while Apple aims for accuracy. The absence of details on the iPhone 17’s camera system makes a precise comparison impossible, but Samsung’s history suggests a more feature-rich camera experience.

Performance

Both the Apple A19 and the Qualcomm SM8750-AC Snapdragon 8 Elite are built on a 3nm process, promising significant performance and 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 17’s hexa-core (2x4.26 GHz + 4xX.X GHz). This core count advantage, coupled with the Oryon V2 architecture, suggests the S25 Ultra may excel in multi-threaded tasks. The iPhone 17’s A19 will likely maintain a lead in single-core performance and optimized app experiences due to Apple’s software control. Both devices will likely utilize LPDDR5x RAM, but the speed and configuration will be crucial for real-world performance.

Battery Life

The Samsung Galaxy S25 Ultra delivers a substantial advantage in battery endurance, achieving 44:54 hours compared to the iPhone 17’s 41:00 hours. While the active use score is nearly identical (14:49h vs 14:59h), the longer endurance suggests better standby efficiency. The S25 Ultra also boasts 2000 charge cycles, double that of the iPhone 17’s 1000 cycles, indicating a longer lifespan. Charging speeds are competitive, with the S25 Ultra reaching 65% in 30 minutes (45W wired) and the iPhone 17 reaching 50% in 20 minutes (50W wired). Both support Qi2 wireless charging, but the iPhone 17’s MagSafe offers a proprietary advantage.

Buying Guide

Buy the Apple iPhone 17 if you need seamless integration within the Apple ecosystem, prioritize software updates and privacy, and value a streamlined user experience. Buy the Samsung Galaxy S25 Ultra if you prefer a more customizable Android experience, demand the longest possible battery life, and require a display that excels in direct sunlight. The S25 Ultra also caters to users who appreciate the flexibility of the Android platform and its wider range of app choices.

Frequently Asked Questions

❓ Does the Snapdragon 8 Elite in the Galaxy S25 Ultra tend to throttle under sustained load, like during extended gaming sessions?
Qualcomm’s Snapdragon 8 Elite, built on a 3nm process, is designed for improved thermal efficiency. However, throttling can still occur. The S25 Ultra’s cooling system will be critical. Samsung typically employs vapor chamber cooling, which should mitigate throttling better than previous generations, but real-world testing will be needed to confirm its effectiveness.
❓ How does the MagSafe ecosystem benefit iPhone 17 users beyond wireless charging?
MagSafe offers a range of accessories, including wallets, cases, and car mounts, that magnetically attach to the iPhone 17. This provides a convenient and secure way to expand the phone’s functionality. Apple’s ecosystem lock-in also means optimized accessory compatibility and performance.
❓ What is the practical impact of the doubled charge cycle count on the Galaxy S25 Ultra's battery health over several years?
The Galaxy S25 Ultra’s 2000 charge cycles mean the battery will retain a higher percentage of its original capacity after two or three years of typical use compared to the iPhone 17’s 1000 cycles. This translates to less noticeable battery degradation and a longer overall lifespan for the device.