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Smartphone comparison

Samsung Galaxy S25 Ultra vs OnePlus 15 5G

Compare cameras, battery, screen and everyday features.

Compared products
01Selected
Samsung Galaxy S25 Ultra

Samsung Galaxy S25 Ultra

  • 218 g.
  • About 120 Hz display refresh rate.
  • About 6.9 inch screen.
  • Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm) processor.
  • Storage: UFS 4.0.
KSh 113,000In Stock
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02
OnePlus 15 5G

OnePlus 15 5G

  • About 165 Hz display refresh rate.
  • About 6.78 inch screen.
  • Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm) processor.
  • Storage: UFS 4.1.
  • 7,300 mAh battery capacity.
KSh 111,000In Stock
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2 spaces available

Samsung Galaxy S26 PlusKSh 112,000
Samsung Galaxy S24 UltraKSh 121,000
Google Pixel 9 Pro XLKSh 109,000
Xiaomi 15KSh 104,000
Google Pixel 10 Pro XLKSh 125,000
POCO F8 UltraKSh 106,000
OnePlus Ace 5 ProKSh 120,500
2 of 4 products

Our quick verdict

The OnePlus 15 5G has a much bigger battery (7,300 mAh), scrolls more smoothly (165 Hz), charges faster (120 W) and charges faster wirelessly (50 W), while the Samsung Galaxy S25 Ultra has a sharper, brighter screen, a longer cycle life (2,000 cycles) and a higher-resolution main camera (200 MP).

Refresh

Samsung Galaxy S25 Ultra
About 120 Hz display refresh rate
OnePlus 15 5G
About 165 Hz display refresh rate

Display

Samsung Galaxy S25 Ultra
About 6.9 inch screen
OnePlus 15 5G
About 6.78 inch screen

Performance

Samsung Galaxy S25 Ultra
Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm) processor
OnePlus 15 5G
Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm) processor

Storage

Samsung Galaxy S25 Ultra
UFS 4.0
OnePlus 15 5G
UFS 4.1

Battery capacity

Samsung Galaxy S25 Ultra
5,000 mAh battery capacity
OnePlus 15 5G
7,300 mAh battery capacity

Key differences

The main differences to help you choose.

Samsung Galaxy S25 Ultra

  • Sharper screen: 498 ppi (vs 450 ppi).
  • Higher-resolution main camera: 200 MP (vs 50 MP).
  • Rated for more charge cycles: 2,000 (vs 1,100).
  • Brighter display: up to 2,600 nits (vs 1,800).
  • Titanium frame and glass back (vs aluminium frame).
  • Video output to an external display over USB-C.

OnePlus 15 5G

  • Bigger battery: 7,300 mAh (vs 5,000 mAh).
  • Faster rated wired charging: 120 W (vs 45 W).
  • Smoother 165 Hz display (vs 120 Hz).
  • Faster wireless charging: 50 W (vs 15 W).
  • Newer Android 16 (vs Android 15).
  • Newer Bluetooth 6.0 (vs 5.4).

What matters most to you?

Choose any priorities

How each product answers the questions buyers ask most. Tick a topic to add it, untick one to hide it.

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6 priorities selected.
How each product answers the selected priorities
PrioritySamsung Galaxy S25 UltraOnePlus 15 5G
Display6.9-inch OLED display, 120 Hz, 498 ppi6.78-inch OLED display, 165 Hz, 450 ppi
Camera200 MP main camera with OIS, plus a 3x telephoto camera50 MP main camera with OIS, plus a 3.5x telephoto camera
PerformanceQualcomm Snapdragon 8 Elite processorQualcomm Snapdragon 8 Elite Gen 5 processor
Battery capacity5,000 mAh battery7,300 mAh battery
Charging45 W wired, 15 W wireless charging120 W wired, 50 W wireless charging
Weight218 g211 g

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationSamsung Galaxy S25 UltraOnePlus 15 5G
BrandSamsungOnePlus
ModelGalaxy S25 UltraOnePlus 15 5G
Announced2025, January 222025, October 27
Release statusAvailable. Released 2025, February 03Available. Released 2025, October 28
Model numbersSM-S938B, SM-S938B/DS, SM-S938U, SM-S938U1, SM-S938W, SM-S938N, SM-S9380, SM-S938E, SM-S938E/DSCPH2747, CPH2745, PLK110, CPH2749
SAR1.26 W/kg (head)     0.64 W/kg (body)—
SAR EU1.25 W/kg (head)     1.42 W/kg (body)—

Design

Design specifications comparison
SpecificationSamsung Galaxy S25 UltraOnePlus 15 5G
Dimensions162.8 x 77.6 x 8.2 mm (6.41 x 3.06 x 0.32 in)161.4 x 76.7 x 8.1 mm (6.35 x 3.02 x 0.32 in)
Weight218 g (7.69 oz)211 g or 215 g (7.44 oz)
Build materialsGlass front (Corning Gorilla Armor 2), glass back (Gorilla Glass Victus 2), titanium frame (grade 5)Glass front (Gorilla Glass Victus 2), aluminum frame, glass back (Gorilla Glass 7i or Crystal Shield Glass) or glass-fiber reinforced plastic back
Stylus supportStylus—

Display

Display specifications comparison
SpecificationSamsung Galaxy S25 UltraOnePlus 15 5G
DisplayDynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak); 6.9 inches, 116.9 cm2 (~92.5% screen-to-body ratio)6.78 inches, 112.4 cm2 (~90.8% screen-to-body ratio); LTPO AMOLED, 1B colors, 165Hz, PWM, Dolby Vision, HDR10+, HDR Vivid, 800 nits (typ), 1800 nits (HBM)
Screen resolution1440 x 3120 pixels, 19.5:9 ratio (~498 ppi density)1272 x 2772 pixels, 19.5:9 ratio (~450 ppi density)
Display protectionCorning Gorilla Armor 2Corning Gorilla Glass Victus 2
Display featuresDynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak) DX anti-reflective coatingUltra HDR image support

Performance

Performance specifications comparison
SpecificationSamsung Galaxy S25 UltraOnePlus 15 5G
ProcessorQualcomm SM8750-AC Snapdragon 8 Elite (3 nm)Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
CPUOcta-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
GPUAdreno 830 (1200 MHz)Adreno 840

Memory & Storage

Memory & Storage specifications comparison
SpecificationSamsung Galaxy S25 UltraOnePlus 15 5G
RAM12GB / 16GB12GB / 16GB
Storage256GB / 512GB / 1TB256GB / 512GB / 1TB
Storage technologyUFS 4.0UFS 4.1
Expandable storageNoNo
Memory configurations256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM, 1TB 16GB RAM256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM

Cameras

Cameras specifications comparison
SpecificationSamsung Galaxy S25 UltraOnePlus 15 5G
Rear camera200 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 video50 MP, f/1.8, 24mm (wide), 1/1.56", 1.0µm, multi-directional PDAF, OIS 50 MP, f/2.8, 80mm (periscope telephoto), 1/2.76", 0.64µm, 3.5x optical zoom, PDAF, OIS 50 MP, f/2.0, 16mm, 116˚ (ultrawide), 1/2.88", 0.61µm, PDAF
Front camera12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF32 MP, f/2.4, 21mm (wide), 1/2.74", 0.64µm, AF
Rear camera featuresLaser AF, Best Face, LED flash, auto-HDR, panoramaLaser focus, color spectrum sensor, LED flash, HDR, panorama, LUT preview
Rear camera video8K@24/30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, HDR, gyro-EIS, Dolby Vision, LUT
Front camera featuresHDR, HDR10+HDR, panorama
Front camera video4K@30/60fps, 1080p@30fps4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR

Battery & Charging

Battery & Charging specifications comparison
SpecificationSamsung Galaxy S25 UltraOnePlus 15 5G
BatteryLi-Ion 5000 mAhSi/C Li-Ion 7300 mAh
Charging45W wired, PD3.0, 65% in 30 min 15W wireless (Qi2 Ready) 4.5W reverse wireless120W wired, 120W UFCS, 55W PPS, 36W PD, 36W QC, 50% in 15 min, 100% in 40 min 50W wireless 10W reverse wireless 5W reverse wired Bypass charging
Wireless charging15W wireless (Qi2 Ready); 4.5W reverse wireless—
Reverse charging4.5W reverse wireless—

Software

Software specifications comparison
SpecificationSamsung Galaxy S25 UltraOnePlus 15 5G
Operating systemAndroid 15, upgradable to Android 17, up to 7 major OS updates, One UI 9Android 16, OxygenOS 16 (Global), ColorOS 16 (China)

Network

Network specifications comparison
SpecificationSamsung Galaxy S25 UltraOnePlus 15 5G
NetworkGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / HSPA / LTE / 5G
SIM· 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· Nano-SIM + Nano-SIM + eSIM (max 2 at a time) · Nano-SIM + Nano-SIM
2G bandsGSM 850 / 900 / 1800 / 1900; CDMA 800 / 1900 & TD-SCDMAGSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100; CDMA2000 1xEV-DOHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - International; HSDPA 850 / 900 / 1700(AWS) / 2100 - China; HSDPA 850 / 900 / 1900 / 2100 - India
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International; 1, 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 unlocked1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 34, 38, 39, 40, 41, 42, 48, 66, 71 - International; 1, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66 - China; 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66 - India
5G bands1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International; 1, 2, 5, 7, 25, 28, 41, 66, 71, 77, 78, 257, 258, 260, 261 SA/NSA/Sub6/mmWave - USA unlocked1, 2, 3, 5, 7, 8, 12, 13, 20, 25, 26, 28, 30, 38, 40, 41, 48, 66, 71, 75, 77, 78 SA/NSA/Sub6 - International; 1, 3, 5, 7, 8, 20, 26, 28, 38, 40, 41, 48, 66, 77, 78, 79, 80, 81, 83, 84, 89 SA/NSA - China; 1, 2, 3, 5, 7, 8, 20, 26, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA - India
Network speedHSPA, LTE (CA), 5GHSPA, LTE, 5G

Connectivity

Connectivity specifications comparison
SpecificationSamsung Galaxy S25 UltraOnePlus 15 5G
NFCYesYes
Bluetooth5.4, A2DP, LE6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5
Wi-FiWi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6/7, dual or tri-band, Wi-Fi Direct
PositioningGPS, GLONASS, BDS, GALILEO, QZSSGPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
RadioNoNo
USBUSB Type-C 3.2, DisplayPort 1.2, OTGUSB Type-C 3.2, OTG
Ultra Wideband (UWB)Ultra Wideband (UWB) support—
Infrared—Yes

Durability

Durability specifications comparison
SpecificationSamsung Galaxy S25 UltraOnePlus 15 5G
Water resistanceIP68 dust tight and water resistant (immersible up to 1.5m for 30 min) StylusIP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 2m for 30 min) Micro-Arc Oxidation frame treatment (Sand Storm color only)

Features

Features specifications comparison
SpecificationSamsung Galaxy S25 UltraOnePlus 15 5G
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometerFingerprint (under display, ultrasonic), accelerometer, proximity, gyro (UAV-grade), compass, barometer (exc. China)
ColorsTitanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink GoldInfinite Black, Ultra Violet, Sand Storm
Desktop modeSamsung DeX, Samsung Wireless DeX (desktop experience support)—

Audio

Audio specifications comparison
SpecificationSamsung Galaxy S25 UltraOnePlus 15 5G
LoudspeakersYes, with stereo speakersYes, with stereo speakers
3.5 mm headphone jackNoNo
Audio featuresHigh-bitrate audio support24-bit/192kHz Hi-Res audio

Tests

Tests specifications comparison
SpecificationSamsung Galaxy S25 UltraOnePlus 15 5G
PerformanceAnTuTu: 2207809 (v10) GeekBench: 9846 (v6) 3DMark: 6687 (Wild Life Extreme)—
Display1417 nits max brightness (measured)—
Loudspeaker-24.6 LUFS (Very good)—
BatteryActive use score 14:49h—
Performance benchmarks—AnTuTu: 2790237 (v10), 3688274 (v11) GeekBench: 11062 (v6) 3DMark: 7370 (Wild Life Extreme)
Measured display brightness—1364 nits max brightness (measured)
Measured loudspeaker loudness—-24.8 LUFS (Very good)
Active use battery score—Active use score 23:07h

EU label

EU label specifications comparison
SpecificationSamsung Galaxy S25 UltraOnePlus 15 5G
EnergyClass BClass A
Battery44:54h endurance, 2000 cycles74:25h endurance, 1100 cycles
Free fallClass A (270 falls)Class C (90 falls)
RepairabilityClass CClass B

Regulatory

Regulatory specifications comparison
SpecificationSamsung Galaxy S25 UltraOnePlus 15 5G
SAR (US)—1.17 W/kg (head)     1.00 W/kg (body)

Similarities

  • Both are rated IP68.
  • Both have optical image stabilisation.
  • Both support Wi-Fi 7.
  • Both have NFC.
  • Both have stereo speakers.
  • Both have OLED displays.

In summary

Get the OnePlus 15 5G if you want a much bigger battery and smoother scrolling, or the Samsung Galaxy S25 Ultra if you would rather have a sharper, brighter screen and a longer cycle life.

Back to compared products ↑

In-stock alternatives

Samsung Galaxy S26 PlusFor Samsung Galaxy S25 UltraSamsung Galaxy S26 PlusView product ↗iPhone 16 PlusFor Samsung Galaxy S25 UltraiPhone 16 PlusView product ↗Google Pixel 9 Pro XLFor OnePlus 15 5GGoogle Pixel 9 Pro XLView product ↗Xiaomi 15For OnePlus 15 5GXiaomi 15View product ↗

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