OnePlus 15 vs Apple iPhone 18 Pro Max vs Samsung Galaxy S26 Ultra

3 phones side by side: specs, PhoneRanked scores and US launch prices. The stronger value in each row is highlighted.

3 of 4 phones Clear all

OnePlus OnePlus 15

9.4 From $899.99

Top score

Apple Apple iPhone 18 Pro Max

9.2 From $1,299

Samsung Samsung Galaxy S26 Ultra

8.9 From $1,299.99

Key differences

Why choose the OnePlus 15

Bigger battery 7,300 mAh
Silicon-carbon battery
Higher refresh rate 165 Hz
Better water resistance IP68 + IP69K
Lower launch price $899.99
Faster wireless charging 50 W

Why choose the Apple iPhone 18 Pro Max

Newer model Sep 9, 2026
More storage 256 GB / 512 GB / 1 TB / 2 TB
Satellite messaging
Secure 3D face unlock

Why choose the Samsung Galaxy S26 Ultra

Longer optical zoom 5×
Thinner 7.9 mm
Higher screen resolution 1440 × 3120 px
Reverse wireless charging
Longer security updates 7 years

PhoneRanked scores

Calculated from specs, relative to phones from the same year and price range. How we rate phones

Spec OnePlus 15Apple iPhone 18 Pro MaxSamsung Galaxy S26 Ultra

Overall 9.4 9.2 8.9

Display 8.9 8.5 8.4

Performance 9.0 9.4 9.0

Camera 8.4 8.7 8.7

Battery 8.5 7.7 6.3

Design 8.8 8.3 8.6

Software support 7.4 7.4 9.2

Value for money 7.6 6.6 5.8

Display

Spec OnePlus 15Apple iPhone 18 Pro MaxSamsung Galaxy S26 Ultra

Size 6.78 inches 6.9 inches 6.9 inches

Type OLED OLED, Super Retina XDR OLED, Dynamic AMOLED 2X

Resolution 1272 × 2772 px 1320 × 2868 px 1440 × 3120 px

Pixel density 450 ppi 460 ppi —

Refresh rate 165 Hz 120 Hz 120 Hz

Adaptive refresh ✓ Yes ✓ Yes ✓ Yes

Peak brightness — 3,000 nits 2,600 nits

HDR HDR10+, HDR Vivid HDR10, HDR10+, Dolby Vision HDR10+

Protection Gorilla Glass Victus 2 Ceramic Shield 2 Corning Gorilla Armor 2

Performance

Spec OnePlus 15Apple iPhone 18 Pro MaxSamsung Galaxy S26 Ultra

Chipset Snapdragon 8 Elite Gen 5 Apple A20 Pro Snapdragon 8 Elite Gen 5

Process 3 nm 2 nm 3 nm

Max CPU clock 4.61 GHz 4.93 GHz —

GPU Adreno 840 Apple 7-core GPU Adreno 840

RAM 12 GB / 16 GB 12 GB 12 GB / 16 GB

Storage 256 GB / 512 GB 256 GB / 512 GB / 1 TB / 2 TB 256 GB / 512 GB / 1 TB

Storage type UFS 4.1 — UFS 4.0

microSD slot ✕ No ✕ No ✕ No

Cameras

Spec OnePlus 15Apple iPhone 18 Pro MaxSamsung Galaxy S26 Ultra

Main camera 50 MP, f/1.8 48 MP, f/1.48 200 MP, f/1.4, 1/1.3"

Optical stabilization ✓ Yes ✓ Yes ✓ Yes

Ultrawide 50 MP 48 MP 50 MP

Telephoto 50 MP, 3.5× optical 48 MP, 4× optical, periscope 50 MP, 5× optical, periscope

Optical zoom 3.5× 4× 5×

Rear cameras 3 3 4

Rear video 8K@30 4K@120 8K@30

Front camera 32 MP 18 MP 12 MP

Front video 4K@60 4K@60 —

Battery and charging

Spec OnePlus 15Apple iPhone 18 Pro MaxSamsung Galaxy S26 Ultra

Capacity 7,300 mAh 5,567 mAh 5,000 mAh

Battery type Silicon-carbon Li-Ion Li-Ion

Wired charging 120 W — 60 W

Wireless charging 50 W 25 W 25 W

Reverse wireless ✕ No ✕ No ✓ Yes

Charger in box ✓ Yes ✕ No ✕ No

Design and build

Spec OnePlus 15Apple iPhone 18 Pro MaxSamsung Galaxy S26 Ultra

Dimensions 161.42 × 76.67 × 8.1 mm 163.4 × 78 × 8.75 mm 163.6 × 78.1 × 7.9 mm

Thickness 8.1 mm 8.75 mm 7.9 mm

Weight 211 g 249 g 214 g

Form factor Bar Bar Bar

Frame — Aluminum Aluminum

Back Fiberglass Glass Glass

Water resistance IP68 + IP69K IP68 IP68

Fingerprint Under-display ultrasonic None Under-display ultrasonic

3D face unlock ✕ No ✓ Yes ✕ No

SIM Dual Nano-SIM + eSIM eSIM only Nano-SIM + eSIM

Colors Sand Storm, Infinite Black, Ultra Violet Black, Silver, Glacier, Burgundy Cobalt Violet, Sky Blue, Black, White, Silver Shadow, Pink Gold

Connectivity and features

Spec OnePlus 15Apple iPhone 18 Pro MaxSamsung Galaxy S26 Ultra

5G ✓ Yes ✓ Yes ✓ Yes

Wi-Fi Wi-Fi 7 Wi-Fi 7 Wi-Fi 7

Bluetooth 6.0 6.0 6.0

USB USB-C 3.x USB-C 3.x USB-C 3.x

NFC ✓ Yes ✓ Yes ✓ Yes

3.5 mm jack ✕ No ✕ No ✕ No

Stereo speakers ✓ Yes ✓ Yes ✓ Yes

Satellite ✕ No ✓ Yes ✕ No

IR blaster ✓ Yes ✕ No ✕ No

Software

Spec OnePlus 15Apple iPhone 18 Pro MaxSamsung Galaxy S26 Ultra

OS at launch Android 16 iOS 27 Android 16

Interface OxygenOS 16 — One UI 8.5

OS updates 4 years — 7 years

Security updates 6 years 5 years 7 years

Launch and price

Spec OnePlus 15Apple iPhone 18 Pro MaxSamsung Galaxy S26 Ultra

Announced Oct 27, 2025 Sep 9, 2026 Feb 25, 2026

Released — Sep 18, 2026 Mar 11, 2026

Status Released Released Released

US launch price $899.99 $1,299 $1,299.99

Green marks the stronger value in a row. Specs come from official manufacturer data, cross-checked with established tech media; each phone page lists its sources. Report an error

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