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Smartphone comparison

OnePlus 15 5G vs Samsung Galaxy S27 Plus

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 114,500In Stock
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02
Samsung Galaxy S27 Plus

Samsung Galaxy S27 Plus

  • 190 g.
  • 120 Hz display refresh rate.
  • 6.7 inch screen.
  • Adreno 840 (1.3GHz) - US/CA/CN; Xclipse 960 - ROW graphics.
  • 12 GB RAM in this version.
KSh 110,000Out of Stock

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Samsung Galaxy S25 UltraKSh 113,000
OnePlus Ace 5 ProKSh 120,500
POCO F8 UltraKSh 106,000
Samsung Galaxy S26 UltraKSh 127,000
Google Pixel 9 Pro XLKSh 109,000
Xiaomi 15KSh 104,000
Xiaomi 17 Pro MaxKSh 130,000
2 of 4 products

Our quick verdict

With the same IP68 rating and 50 MP main camera, 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 S27 Plus has a sharper, brighter screen and longer software support (7 OS upgrades promised) and offers video output to a monitor over USB-C.

Refresh

OnePlus 15 5G
About 165 Hz display refresh rate
Samsung Galaxy S27 Plus
120 Hz display refresh rate

Display

OnePlus 15 5G
About 6.78 inch screen
Samsung Galaxy S27 Plus
6.7 inch screen

Performance

OnePlus 15 5G
Adreno 840 graphics
Samsung Galaxy S27 Plus
Adreno 840 (1.3GHz) - US/CA/CN; Xclipse 960 - ROW graphics

Storage

OnePlus 15 5G
UFS 4.1
Samsung Galaxy S27 Plus
UFS 4.X

Battery capacity

OnePlus 15 5G
7,300 mAh battery capacity
Samsung Galaxy S27 Plus
4,900 mAh battery capacity

Key differences

The main differences to help you choose.

OnePlus 15 5G

  • Bigger battery: 7,300 mAh (vs 4,900 mAh).
  • Faster rated wired charging: 120 W (vs 45 W).
  • Smoother 165 Hz display (vs 120 Hz).
  • Faster wireless charging: 50 W (vs 20 W).
  • Higher-resolution selfie camera: 32 MP (vs 12 MP).

Samsung Galaxy S27 Plus

  • Sharper screen: 516 ppi (vs 450 ppi).
  • 7 OS upgrades promised.
  • Brighter display: up to 2,600 nits (vs 1,800).
  • Lighter: 190 g (vs 211 g).
  • Slimmer: 7.3 mm thick (vs 8.1 mm).
  • Video output to an external display over USB-C.

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.

More topicsFewer topics
6 priorities selected.
How each product answers the selected priorities
PriorityOnePlus 15 5GSamsung Galaxy S27 Plus
Display6.78-inch OLED display, 165 Hz, 450 ppi6.7-inch OLED display, 120 Hz, 516 ppi
Camera50 MP main camera with OIS, plus a 3.5x telephoto camera50 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
StorageUp to 1 TB storageUp to 512 GB storage
Battery capacity7,300 mAh battery4,900 mAh battery
Charging120 W wired, 50 W wireless charging45 W wired, 20 W wireless charging

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S27 Plus
BrandOnePlusSamsung
ModelOnePlus 15 5G—
Announced2025, October 27—
Release statusAvailable. Released 2025, October 28—
Model numbersCPH2747, CPH2745, PLK110, CPH2749—

Design

Design specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S27 Plus
Dimensions161.4 x 76.7 x 8.1 mm (6.35 x 3.02 x 0.32 in)158.4 x 75.8 x 7.3 mm (6.24 x 2.98 x 0.29 in)
Weight211 g or 215 g (7.44 oz)190 g (6.70 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 (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame

Display

Display specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S27 Plus
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)6.7 inches; Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
Screen resolution1272 x 2772 pixels, 19.5:9 ratio (~450 ppi density)1440 x 3120 pixels, 19.5:9 ratio (~516 ppi density)
Display protectionCorning Gorilla Glass Victus 2Corning Gorilla Glass Victus 2, Mohs level 5
Display featuresUltra HDR image support—

Performance

Performance specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S27 Plus
ProcessorQualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)Qualcomm SM8850-1-AD Snapdragon 8 Elite Gen 5 (3 nm) - US/CA/CN Exynos 2600 (2 nm) - ROW
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) - US/CA/CN; 10-core (1x3.80GHz C1-Ultra & 3x3.25GHz C1-Pro & 6x2.75GHz C1-Pro) - ROW
GPUAdreno 840Adreno 840 (1.3GHz) - US/CA/CN; Xclipse 960 - ROW

Memory & Storage

Memory & Storage specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S27 Plus
RAM12GB / 16GB12GB
Storage256GB / 512GB / 1TB256GB, 512GB
Storage technologyUFS 4.1UFS 4.X
Expandable storageNoNo
Memory configurations256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM—

Cameras

Cameras specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S27 Plus
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, PDAF50 MP, f/1.8, 24mm (wide), 1/1.56", 1.0µm, dual pixel PDAF, OIS 10 MP, f/2.4, 67mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, 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 previewBest 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@30/60fps, 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 S27 Plus
BatterySi/C Li-Ion 7300 mAhLi-Ion 4900 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 charging45W wired, PD3.0, 69% in 30 min 20W wireless (Qi2.2) 4.5W reverse wireless

Software

Software specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S27 Plus
Operating systemAndroid 16, OxygenOS 16 (Global), ColorOS 16 (China)Android 16, up to 7 major OS updates, One UI 8.5

Network

Network specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S27 Plus
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 / 1900—
3G bandsHSDPA 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, 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, 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, 5G—

Connectivity

Connectivity specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S27 Plus
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 S27 Plus
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)

Features

Features specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S27 Plus
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 Storm—
Desktop mode—Samsung DeX and Samsung Wireless DeX

Audio

Audio specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S27 Plus
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 S27 Plus
SAR (US)1.17 W/kg (head)     1.00 W/kg (body)—

EU label

EU label specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S27 Plus
EnergyClass A—
Battery74:25h endurance, 1100 cycles—
Free fallClass C (90 falls)—
RepairabilityClass B—

Tests

Tests specifications comparison
SpecificationOnePlus 15 5GSamsung Galaxy S27 Plus
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—

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 S27 Plus 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 9 Pro XLFor Samsung Galaxy S27 PlusGoogle Pixel 9 Pro XLView product ↗iPhone AirFor Samsung Galaxy S27 PlusiPhone AirView product ↗

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