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Smartphone comparison

OnePlus 15 5G vs Samsung Galaxy S26 Ultra

Compare cameras, battery, screen and everyday features.

Compared products
01Selected
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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02
Samsung Galaxy S26 Ultra

Samsung Galaxy S26 Ultra

  • 214 g.
  • About 120 Hz display refresh rate.
  • About 6.9 inch screen.
  • Qualcomm SM8850-1-AD Snapdragon 8 Elite Gen 5 (3 nm) processor.
  • Storage: UFS 4.X.
KSh 124,000In Stock
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2 spaces available

Samsung Galaxy S25 UltraKSh 113,000
OnePlus Ace 5 ProKSh 120,500
POCO F8 UltraKSh 106,000
Google Pixel 9 Pro XLKSh 109,000
Xiaomi 15KSh 104,000
Xiaomi 17 Pro MaxKSh 129,000
OnePlus 15TKSh 98,000
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 S26 Ultra has a sharper, brighter screen, longer software support (7 OS upgrades promised) and a higher-resolution main camera (200 MP).

Refresh

OnePlus 15 5G
About 165 Hz display refresh rate
Samsung Galaxy S26 Ultra
About 120 Hz display refresh rate

Display

OnePlus 15 5G
About 6.78 inch screen
Samsung Galaxy S26 Ultra
About 6.9 inch screen

Performance

OnePlus 15 5G
Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm) processor
Samsung Galaxy S26 Ultra
Qualcomm SM8850-1-AD Snapdragon 8 Elite Gen 5 (3 nm) processor

Storage

OnePlus 15 5G
UFS 4.1
Samsung Galaxy S26 Ultra
UFS 4.X

Battery capacity

OnePlus 15 5G
7,300 mAh battery capacity
Samsung Galaxy S26 Ultra
5,000 mAh battery capacity

Key differences

The main differences to help you choose.

OnePlus 15 5G

  • Bigger battery: 7,300 mAh (vs 5,000 mAh).
  • Faster rated wired charging: 120 W (vs 60 W).
  • Smoother 165 Hz display (vs 120 Hz).
  • Faster wireless charging: 50 W (vs 25 W).
  • Higher-resolution selfie camera: 32 MP (vs 12 MP).

Samsung Galaxy S26 Ultra

  • Sharper screen: 500 ppi (vs 450 ppi).
  • Higher-resolution main camera: 200 MP (vs 50 MP).
  • 7 OS upgrades promised.
  • Brighter display: up to 2,600 nits (vs 1,800).
  • Video output to an external display over USB-C.
  • Video output to a monitor over USB-C (DisplayPort).

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
PriorityOnePlus 15 5GSamsung Galaxy S26 Ultra
Display6.78-inch OLED display, 165 Hz, 450 ppi6.9-inch OLED display, 120 Hz, 500 ppi
Camera50 MP main camera with OIS, plus a 3.5x telephoto camera200 MP main camera with OIS, plus a 3x telephoto camera
PerformanceQualcomm Snapdragon 8 Elite Gen 5 processorQualcomm SM8850-1-AD Snapdragon 8 Elite Gen 5 processor
Battery capacity7,300 mAh battery5,000 mAh battery
Charging120 W wired, 50 W wireless charging60 W wired, 25 W wireless charging
Weight211 g214 g

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S26 Ultra
BrandOnePlusSamsung
ModelOnePlus 15 5GGalaxy S26 Ultra
Announced2025, October 272026, February 25
Release statusAvailable. Released 2025, October 28Available. Released 2026, March 06
Model numbersCPH2747, CPH2745, PLK110, CPH2749SM-S948B, SM-S948B/DS, SM-S948U, SM-S948U1, SM-S948W, SM-S948N, SM-S9480, SM-S948E, SM-S948E/DS
SAR—1.09 W/kg (head)     1.19 W/kg (body)
SAR EU—1.28 W/kg (head)     1.35 W/kg (body)

Design

Design specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S26 Ultra
Dimensions161.4 x 76.7 x 8.1 mm (6.35 x 3.02 x 0.32 in)163.6 x 78.1 x 7.9 mm (6.44 x 3.07 x 0.31 in)
Weight211 g or 215 g (7.44 oz)214 g (7.55 oz)
Build materialsGlass front (Gorilla Glass Victus 2), aluminum frame, glass back (Gorilla Glass 7i or Crystal Shield Glass) or glass-fiber reinforced plastic backGlass front (Corning Gorilla Armor 2), glass back (Gorilla Glass Victus 2), aluminum frame
Stylus support—Stylus

Display

Display specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S26 Ultra
Display6.78 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)Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak); 6.9 inches, 115.9 cm2 (~90.7% screen-to-body ratio)
Screen resolution1272 x 2772 pixels, 19.5:9 ratio (~450 ppi density)1440 x 3120 pixels, 19.5:9 ratio (~500 ppi density)
Display protectionCorning Gorilla Glass Victus 2Corning Gorilla Armor 2
Display featuresUltra HDR image supportDynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak) DX anti-reflective coating Privacy Display

Performance

Performance specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S26 Ultra
ProcessorQualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)Qualcomm SM8850-1-AD Snapdragon 8 Elite Gen 5 (3 nm)
CPUOcta-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)Octa-core (2x4.74 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
GPUAdreno 840Adreno 840 (1.3GHz)

Memory & Storage

Memory & Storage specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S26 Ultra
RAM12GB / 16GB12GB / 16GB
Storage256GB / 512GB / 1TB256GB / 512GB / 1TB
Storage technologyUFS 4.1UFS 4.X
Expandable storageNoNo
Memory configurations256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM256GB 12GB RAM, 512GB 12GB RAM, 1TB 16GB RAM

Cameras

Cameras specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S26 Ultra
Rear camera50 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, PDAF200 MP, f/1.4, 23mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS 10 MP, f/2.4, 67mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom 50 MP, f/2.9, 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
Front camera32 MP, f/2.4, 21mm (wide), 1/2.74", 0.64µm, AF12 MP, f/2.2, 23mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Rear camera featuresLaser focus, color spectrum sensor, LED flash, HDR, panorama, LUT previewLaser AF, Best Face, Horizon Lock, LED flash, auto-HDR, panorama
Rear camera video8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, HDR, gyro-EIS, Dolby Vision, LUT8K@24/30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS
Front camera featuresHDR, panoramaHDR, HDR10+
Front camera video4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR4K@30/60fps, 1080p@30fps

Battery & Charging

Battery & Charging specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S26 Ultra
BatterySi/C Li-Ion 7300 mAhLi-Ion 5000 mAh
Charging120W 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 charging60W wired, PD3.0, 75% in 30 min 25W wireless (Qi2.2) 4.5W reverse wireless
Wireless charging—25W wireless (Qi2.2); 4.5W reverse wireless
Reverse charging—4.5W reverse wireless

Software

Software specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S26 Ultra
Operating systemAndroid 16, OxygenOS 16 (Global), ColorOS 16 (China)Android 16, upgradable to Android 17, up to 7 major OS updates, One UI 9

Network

Network specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S26 Ultra
NetworkGSM / HSPA / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
SIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time) · Nano-SIM + Nano-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
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900; CDMA 800 / 1900 & TD-SCDMA
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - International; HSDPA 850 / 900 / 1700(AWS) / 2100 - China; HSDPA 850 / 900 / 1900 / 2100 - IndiaHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100; CDMA2000 1xEV-DO
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, 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 - India1, 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 unlocked
5G bands1, 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 - India1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International; 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 41, 66, 71, 77, 78, 257, 258, 260, 261 SA/NSA/Sub6/mmWave - USA unlocked
Network speedHSPA, LTE, 5GHSPA, LTE (CA), 5G

Connectivity

Connectivity specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S26 Ultra
NFCYesYes
Bluetooth6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 56.0, A2DP, LE
Wi-FiWi-Fi 802.11 a/b/g/n/ac/6/7, dual or tri-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
PositioningGPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)GPS, GLONASS, BDS, GALILEO, QZSS
RadioNoNo
USBUSB Type-C 3.2, OTGUSB Type-C 3.2, DisplayPort 1.2, OTG
InfraredYes—
Ultra Wideband (UWB)—Ultra Wideband (UWB) support

Durability

Durability specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S26 Ultra
Water resistanceIP68/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)IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Stylus Armor Aluminum 2

Features

Features specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S26 Ultra
SensorsFingerprint (under display, ultrasonic), accelerometer, proximity, gyro (UAV-grade), compass, barometer (exc. China)Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
ColorsInfinite Black, Ultra Violet, Sand StormCobalt Violet, Sky Blue, Black, White, Silver Shadow, Pink Gold
Desktop mode—Samsung DeX, Samsung Wireless DeX (desktop experience support)

Audio

Audio specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S26 Ultra
LoudspeakersYes, with stereo speakersYes, with stereo speakers
3.5 mm headphone jackNoNo
Audio features24-bit/192kHz Hi-Res audioHigh-bitrate audio support

Regulatory

Regulatory specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S26 Ultra
SAR (US)1.17 W/kg (head)     1.00 W/kg (body)—

EU label

EU label specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S26 Ultra
EnergyClass AClass A
Battery74:25h endurance, 1100 cycles55:00h endurance, 1200 cycles
Free fallClass C (90 falls)Class A (270 falls)
RepairabilityClass BClass C

Tests

Tests specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S26 Ultra
Performance benchmarksAnTuTu: 2790237 (v10), 3688274 (v11) GeekBench: 11062 (v6) 3DMark: 7370 (Wild Life Extreme)—
Measured display brightness1364 nits max brightness (measured)—
Measured loudspeaker loudness-24.8 LUFS (Very good)—
Active use battery scoreActive use score 23:07h—
Performance—AnTuTu: 2627986 (v10), 3892165 (v11) GeekBench: 11566 (v6) 3DMark: 7744 (Wild Life Extreme)
Display—1480 nits max brightness (measured)
Loudspeaker—-25.9 LUFS (Very good)
Battery—Active use score 16:23h

Similarities

  • Both are rated IP68.
  • Both have optical image stabilisation.
  • Both support Wi-Fi 7.
  • Both use Bluetooth 6.0.
  • Both have NFC.
  • Both have an aluminium frame.

In summary

Get the OnePlus 15 5G if you want a much bigger battery and smoother scrolling, or the Samsung Galaxy S26 Ultra if you would rather have a sharper, brighter screen and longer software support.

Back to compared products ↑

In-stock alternatives

Samsung Galaxy S26 PlusFor OnePlus 15 5GSamsung Galaxy S26 PlusView product ↗Samsung Galaxy S25 UltraFor OnePlus 15 5GSamsung Galaxy S25 UltraView product ↗Google Pixel 10 Pro XLFor Samsung Galaxy S26 UltraGoogle Pixel 10 Pro XLView product ↗

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