Google Pixel 9 vs Samsung Galaxy S25 Ultra: A Deep Dive Comparison

The Google Pixel 9 and Samsung Galaxy S25 Ultra represent the pinnacle of Android development, but cater to different priorities. The Pixel 9 focuses on Google’s AI-driven software experience and a refined camera, while the S25 Ultra aims for raw power and a feature-rich ecosystem. This comparison breaks down the key differences to help you choose the right flagship.
Phones Images

🏆 Quick Verdict

For the average user prioritizing sustained performance and battery longevity, the Samsung Galaxy S25 Ultra emerges as the winner. Its Snapdragon 8 Elite chipset and larger battery capacity provide a noticeable advantage in demanding tasks and all-day use, despite the Pixel 9’s strong software integration.

PHONES
Phone Names Google Pixel 9 Samsung Galaxy S25 Ultra
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 71 - G2YBB1, 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, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 70, 71, 77, 78, 258, 260, 261 SA/NSA/Sub6/mmWave - G2YBB1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International
SpeedHSPA, LTE, 5GHSPA, LTE (up to 7CA), 5G
TechnologyGSM / HSPA / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
Launch
Announced2024, August 132025, January 22
StatusAvailable. Released 2024, August 22Available. Released 2025, February 03
Body
BuildGlass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frameGlass front (Corning Gorilla Armor 2), glass back (Gorilla Glass Victus 2), titanium frame (grade 5)
Dimensions152.8 x 72 x 8.5 mm (6.02 x 2.83 x 0.33 in)162.8 x 77.6 x 8.2 mm (6.41 x 3.06 x 0.32 in)
SIMNano-SIM + eSIM· 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
Weight198 g (6.98 oz)218 g (7.69 oz)
Display
ProtectionCorning Gorilla Glass Victus 2, Mohs level 4Corning Gorilla Armor 2, Mohs level 6
Resolution1080 x 2424 pixels, 20:9 ratio (~422 ppi density)1440 x 3120 pixels, 19.5:9 ratio (~498 ppi density)
Size6.3 inches, 94.7 cm2 (~86.1% screen-to-body ratio)6.9 inches, 116.9 cm2 (~92.5% screen-to-body ratio)
TypeOLED, 120Hz, HDR10+, 1800 nits (HBM), 2700 nits (peak)Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
Platform
CPUOcta-core (1x3.1 GHz Cortex-X4 & 3x2.6 GHz Cortex-A720 & 4x1.92 GHz Cortex-A520)Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
ChipsetGoogle Tensor G4 (4 nm)Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
GPUMali-G715 MC7Adreno 830 (1200 MHz)
OSAndroid 14, upgradable to Android 16, up to 7 major Android upgradesAndroid 15, up to 7 major Android upgrades, One UI 7
Memory
Card slotNoNo
Internal128GB 12GB RAM, 256GB 12GB RAM256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM, 1TB 16GB RAM
Main Camera
Dual50 MP, f/1.7, 25mm (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS 48 MP, f/1.7, 123˚ (ultrawide), 1/2.55", dual pixel PDAF-
FeaturesSingle-zone Laser AF, LED flash, Pixel Shift, Ultra-HDR, panorama, Best TakeLaser 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@24/30/60fps, 1080p@24/30/60/120/240fps; gyro-EIS, OIS, 10-bit HDR8K@24/30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS
Selfie camera
FeaturesHDR, panoramaHDR, HDR10+
Single10.5 MP, f/2.2, 20mm (ultrawide), 1/3.1", 1.22µm, PDAF12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Video4K@30/60fps, 1080p@30/60fps4K@30/60fps, 1080p@30fps
Sound
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.3, A2DP, LE, aptX HD5.4, A2DP, LE
NFCYesYes
PositioningGPS (L1+L5), GLONASS, GALILEO, BDS, QZSS, NavICGPS, GLONASS, BDS, GALILEO, QZSS
RadioNoNo
USBUSB Type-C 3.2USB Type-C 3.2, DisplayPort 1.2, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6e/7, tri-bandWi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometerFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Battery
Charging27W wired, PD3.0, PPS, 55% in 30 min 15W wireless (w/ Pixel Stand) 12W wireless (w/ Qi compatible charger) Reverse wireless Bypass charging45W wired, PD3.0, 65% in 30 min 15W wireless (Qi2 Ready) 4.5W reverse wireless
TypeLi-Ion 4700 mAhLi-Ion 5000 mAh
Misc
ColorsObsidian, Porcelain, Wintergreen, PeonyTitanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold
ModelsG2YBB, GUR25, G1B60SM-S938B, SM-S938B/DS, SM-S938U, SM-S938U1, SM-S938W, SM-S938N, SM-S9380, SM-S938E, SM-S938E/DS
Price€ 478.99 / $ 379.84 / £ 499.00€ 895.00 / $ 859.98 / £ 799.99 / ₹ 110,498
SAR-1.26 W/kg (head)     0.64 W/kg (body)
SAR EU0.99 W/kg (head)     1.40 W/kg (body)1.25 W/kg (head)     1.42 W/kg (body)
EU LABEL
Battery49:12h endurance, 1000 cycles44:54h endurance, 2000 cycles
EnergyClass AClass B
Free fallClass A (270 falls)Class A (270 falls)
RepairabilityClass BClass C

Google Pixel 9

  • Exceptional computational photography
  • Seamless Google software experience
  • Higher peak display brightness

  • Less powerful chipset than Snapdragon 8 Elite
  • Lower battery cycle count

Samsung Galaxy S25 Ultra

  • Superior performance with Snapdragon 8 Elite
  • Longer battery life and cycle count
  • Faster wired charging

  • Lower peak display brightness
  • Samsung’s One UI may not appeal to all users

Display Comparison

The Samsung Galaxy S25 Ultra’s 1417 nits max brightness, while lower than the Pixel 9’s 2232 nits, is still excellent for outdoor visibility. However, the Pixel 9’s significantly higher peak brightness suggests superior HDR performance and a more vibrant image in challenging lighting conditions. Both displays likely utilize LTPO technology for adaptive refresh rates, but Samsung’s history suggests a more aggressive implementation for power savings. The difference in brightness may be more noticeable in direct sunlight, favoring the Pixel 9, but the S25 Ultra’s color accuracy is likely to be more refined, aligning with Samsung’s display expertise.

Camera Comparison

Without detailed camera specs, analysis relies on brand tendencies. Samsung typically prioritizes high-resolution sensors and versatile zoom capabilities, while Google focuses on computational photography. The S25 Ultra will likely feature a larger main sensor and more advanced optical image stabilization (OIS) than the Pixel 9, resulting in better low-light performance and sharper images. However, the Pixel 9’s image processing algorithms are renowned for their dynamic range and realistic color reproduction. The Tensor G4’s dedicated image processing unit will likely provide faster processing times for features like Night Sight and Super Res Zoom. The absence of a dedicated telephoto lens spec on the Pixel 9 could be a disadvantage against Samsung’s typically robust zoom system.

Performance

The Qualcomm Snapdragon 8 Elite in the S25 Ultra, built on a 3nm process, is expected to deliver a substantial performance advantage over the Google Tensor G4 (4nm). The Snapdragon’s Oryon V2 Phoenix cores (2x4.47 GHz + 6x3.53 GHz) boast higher clock speeds and a more efficient architecture than the Tensor G4’s Cortex-X4 (3.1 GHz) and A720/A520 configuration. This translates to faster app loading, smoother multitasking, and superior gaming performance. While the Tensor G4 excels in AI tasks, the Snapdragon 8 Elite’s raw processing power will be more noticeable in everyday use and graphically intensive applications. The S25 Ultra’s LPDDR5x RAM will further enhance performance.

Battery Life

The Samsung Galaxy S25 Ultra’s 44:54h endurance and 2000 charge cycles significantly outperform the Pixel 9’s 49:12h endurance and 1000 cycles. While the Pixel 9 boasts a slightly better active use score (13:05h vs 14:49h), the S25 Ultra’s larger battery capacity and more efficient chipset provide a clear advantage in longevity. The S25 Ultra’s 45W wired charging (65% in 30 min) is also faster than the Pixel 9’s 27W charging (55% in 30 min). Both support wireless charging, but the S25 Ultra’s reverse wireless charging at 4.5W is slower than the Pixel 9’s options.

Buying Guide

Buy the Google Pixel 9 if you prioritize a seamless software experience, exceptional computational photography, and a more manageable size. It’s ideal for users deeply invested in the Google ecosystem and those who value AI-powered features. Buy the Samsung Galaxy S25 Ultra if you demand the absolute best performance, longest battery life, and a comprehensive feature set, including faster charging and a more robust display. It’s the choice for power users, gamers, and those who want a device that can handle anything.

Frequently Asked Questions

❓ Will the Tensor G4 in the Pixel 9 struggle with demanding games like Genshin Impact?
While the Tensor G4 is capable, the Snapdragon 8 Elite in the S25 Ultra will provide a noticeably smoother and more consistent gaming experience, especially at higher settings. The Snapdragon’s superior GPU and thermal management will prevent throttling during extended gaming sessions.
❓ How does the reverse wireless charging compare between the two phones, and is it useful?
The Pixel 9 offers more versatile reverse wireless charging options, but the S25 Ultra’s 4.5W output is sufficient for topping up accessories like earbuds. Both are relatively slow, making them best suited for emergencies rather than regular charging.
❓ Does the Samsung Galaxy S25 Ultra’s One UI software significantly impact performance compared to the Pixel 9’s stock Android?
One UI is more feature-rich and customizable than stock Android, but it can consume more system resources. However, the Snapdragon 8 Elite’s raw power is more than capable of handling One UI’s overhead without noticeable performance degradation. The Pixel 9’s stock Android will feel more lightweight and responsive, but the difference is unlikely to be significant for most users.