iPhone 17 Pro vs. Samsung Galaxy S25 Ultra: A Deep Dive into Flagship Supremacy

As the smartphone landscape matures, the battle for the top spot intensifies. Apple’s iPhone 17 Pro and Samsung’s Galaxy S25 Ultra represent the pinnacle of their respective ecosystems, both leveraging cutting-edge 3nm fabrication processes. This comparison dissects their key differences, focusing on real-world performance, battery longevity, and charging capabilities to help you choose the device that best suits your needs.
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🏆 Quick Verdict

For the average user prioritizing long-term battery health and consistently fast performance, the Samsung Galaxy S25 Ultra emerges as the winner. Its superior battery cycle count (2000 vs 1000) and slightly faster charging, combined with a powerful Snapdragon 8 Elite chipset, provide a more robust and enduring experience.

PHONES
Phone Names Apple iPhone 17 Pro 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 - A35231, 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 - A35231, 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 alloy frame, aluminum alloy back/ glass back (Ceramic Shield)Glass front (Corning Gorilla Armor 2), glass back (Gorilla Glass Victus 2), titanium frame (grade 5)
Dimensions150 x 71.9 x 8.8 mm (5.91 x 2.83 x 0.35 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
Weight206 g (7.27 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 (~89.4% 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 Pro (3 nm)Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
GPUApple GPU (6-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 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM, 1TB 16GB RAM
Main Camera
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
Triple48 MP, f/1.8, 24mm (wide), 1/1.28", 1.22µm, dual pixel PDAF, sensor-shift OIS 48 MP, f/2.8, 100mm (periscope telephoto), 1/2.55", 0.7µm, PDAF, 3D sensor‑shift OIS, 4x optical zoom 48 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 0.7µm, PDAF TOF 3D LiDAR scanner (depth)-
Video4K@24/25/30/60/100/120fps, 1080p@25/30/60/120/240fps, 10-bit HDR, Dolby Vision HDR (up to 120fps), ProRes, ProRes RAW (up to 120fps), Apple Log 2, 3D (spatial) video/audio, stereo8K@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., ProRes RAW, Apple Log 2HDR, 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 3.2 Gen 2, DisplayPortUSB Type-C 3.2, DisplayPort 1.2, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6e/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
TypeMarket-dependent versions:· Li-Ion 3998 mAh - Nano SIM model· Li-Ion 4252 mAh - eSIM only modelLi-Ion 5000 mAh
Misc
ColorsSilver, Cosmic Orange, Deep BlueTitanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold
ModelsiPhone18,1, A3256, A3523, A3522, A3524SM-S938B, SM-S938B/DS, SM-S938U, SM-S938U1, SM-S938W, SM-S938N, SM-S9380, SM-S938E, SM-S938E/DS
Price€ 1,242.00 / $ 1,400.00 / £ 1,069.00 / ₹ 134,900€ 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
Battery47:00h 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 Pro

  • Higher peak display brightness for outdoor visibility
  • Seamless integration with the Apple ecosystem
  • Optimized software experience with iOS

  • Lower battery cycle count (1000)
  • Slower wired charging speed
  • Less flexible operating system (iOS)

Samsung Galaxy S25 Ultra

  • Superior battery cycle count (2000)
  • Faster wired charging speed
  • More versatile Android operating system

  • Lower peak display brightness
  • Potential for software bloatware
  • Dependence on Qualcomm for chipset supply

Display Comparison

The Samsung Galaxy S25 Ultra’s display, reaching 1417 nits, falls short of the iPhone 17 Pro’s 1012 nits in measured peak brightness, but this doesn’t tell the whole story. Both devices are expected to utilize LTPO technology for adaptive refresh rates, conserving battery life. While the iPhone’s brightness is higher, Samsung’s panel likely benefits from its color science and potentially wider color gamut. The impact of these differences will be most noticeable in direct sunlight and when viewing HDR content.

Camera Comparison

While detailed camera specs are unavailable, the focus should be on sensor size and image processing. Both manufacturers are likely to employ large sensors with advanced optical image stabilization (OIS). Samsung historically leans towards vibrant, saturated images, while Apple aims for more natural color reproduction. The Snapdragon 8 Elite’s ISP (Image Signal Processor) will play a crucial role in processing images, potentially offering improved low-light performance and dynamic range. Ignoring the typical 2MP macro lens found on both devices, the quality of the main and ultrawide sensors will be the defining factor.

Performance

Both the Apple A19 Pro and the Qualcomm Snapdragon 8 Elite are built on a 3nm process, promising significant efficiency gains. However, the architectural differences are key. The iPhone 17 Pro’s hexa-core CPU contrasts with the S25 Ultra’s octa-core configuration (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M). Samsung’s Oryon cores, designed in-house, aim to deliver a balance of performance and efficiency, potentially offering an edge in multi-threaded tasks. The Snapdragon 8 Elite’s higher clock speeds suggest a focus on raw processing power, which could translate to faster app launches and smoother gaming. The S25 Ultra’s LPDDR5x RAM will also contribute to faster data access.

Battery Life

The Galaxy S25 Ultra boasts a significant advantage in battery cycle count, rated for 2000 cycles compared to the iPhone 17 Pro’s 1000. This indicates a longer lifespan before noticeable battery degradation. While the iPhone 17 Pro achieves a 47:00h endurance rating and 15:23h active use, the S25 Ultra’s 44:54h endurance and 14:49h active use are competitive. Samsung’s 45W wired charging (65% in 30 min) is faster than Apple’s 50% in 20 min via PD3.2, and the S25 Ultra’s Qi2 support ensures compatibility with the latest wireless charging standards. Both offer 4.5W reverse wired charging, useful for topping up accessories.

Buying Guide

Buy the Apple iPhone 17 Pro if you prioritize seamless ecosystem integration, a refined software experience, and are heavily invested in Apple’s services. Its 1012 nits peak brightness is ideal for outdoor visibility. Buy the Samsung Galaxy S25 Ultra if you demand maximum battery longevity, faster charging speeds, and the flexibility of the Android operating system, particularly if you’re a power user who pushes their device to its limits.

Frequently Asked Questions

❓ Does the Snapdragon 8 Elite in the Galaxy S25 Ultra exhibit thermal throttling during extended gaming sessions?
The Snapdragon 8 Elite’s 3nm fabrication and Qualcomm’s advanced thermal management solutions are designed to mitigate throttling. However, sustained peak performance will inevitably generate heat. Samsung is expected to employ a sophisticated vapor chamber cooling system to maintain optimal temperatures, but the extent of throttling will depend on ambient temperature and the game’s demands.
❓ How does the MagSafe/Qi2 wireless charging on the iPhone 17 Pro compare to the Galaxy S25 Ultra’s Qi2 implementation in terms of charging speed and efficiency?
While both support Qi2, Apple’s MagSafe system offers a more secure connection and potentially slightly faster wireless charging speeds (up to 15W, 25W in China) due to its magnetic alignment. The Galaxy S25 Ultra’s 15W Qi2 charging is competitive, but may experience slightly lower efficiency due to the lack of magnetic alignment. Both devices offer comparable reverse wireless charging capabilities at 4.5W.
❓ What real-world impact does the difference in battery cycle counts (1000 vs 2000) have on the longevity of these devices?
A higher battery cycle count means the battery will retain a greater percentage of its original capacity after a given number of charge cycles. The Galaxy S25 Ultra’s 2000 cycles suggest it will maintain a usable battery capacity for a significantly longer period than the iPhone 17 Pro, potentially delaying the need for a battery replacement by several years.