Sizometry

  • Home
  • Devices
  • Comparisons
  • Tool
  • Insights
  • Methodology

Data sources and measurement methods are explained in our Methodology.

PrivacyTermsContact

Product names, trademarks, and registered trademarks belong to their respective owners. Sizometry is an independent reference site and is not affiliated with or endorsed by the manufacturers shown.

© 2026 Sizometry. All rights reserved.

iPhone 16 Pro Max vs K13

Device summary

Apple

iPhone 16 Pro Max

OPPO

K13

Full specifications

Full specifications
Basic information
Release year20242025
Starting price$1,199—
Display size6.9-inch6.7-inch
Dimensions77.6 mm × 163.0 mm × 8.3 mm76.1 mm × 163.2 mm × 8.5 mm
Weight227 g208 g
Front materialCeramic Shield—
Back materialTextured matte glass—
Display
Display technologySuper Retina XDR OLEDAMOLED
Resolution2868 × 13202400 × 1080
Refresh rate120 Hz120 Hz
Peak brightness2000 nits1200 nits
ProtectionCeramic Shield—
Performance
ChipsetApple A18 ProSnapdragon 6 Gen 4
GPU6-core GPUAdreno 810
RAM8 GB8 GB
Storage128 GB, 256 GB, 512 GB, 1024 GB128 GB, 256 GB
Expandable storageNo—
Cameras
Main cameraFusion · 48 MP · ƒ/1.78 · 24 mm · Second-generation sensor-shift OISWide · 50 MP · ƒ/1.8 · EIS
Ultra-wide cameraUltra Wide · 48 MP · ƒ/2.2 · 13 mm—
Telephoto cameraTelephoto · 12 MP · ƒ/2.8 · 120 mm · 5× optical zoom · OIS—
Monochrome camera—Monochrome · 2 MP · ƒ/2.4
Front camerasTrueDepth · 12 MP · ƒ/1.9Front · 16 MP · ƒ/2.4 · EIS
Video recording4K Dolby Vision up to 120 fps, ProRes up to 4K at 60 fps4K at 30 fps
Battery & charging
Wired charging25 W80 W
Wireless charging15 W—
Charging standardMagSafe, Qi2SUPERVOOC; VOOC; PPS; PD; QC
Battery typeBuilt-in rechargeable lithium-ion—
Typical capacity—7000 mAh
Rated capacity—6820 mAh
Connectivity
Cellular5G (sub-6 GHz and mmWave), Gigabit LTE5G, LTE
Wi‑FiWi‑Fi 7 (802.11be)Wi‑Fi 6
BluetoothBluetooth 5.3Bluetooth 5.2
USBUSB-C (USB 3)USB Type‑C
NFCYes—
eSIMYes—
SatelliteEmergency SOS via satellite—
Build & durability
FrameTitanium—
Ingress protectionIP68IP65

Basic information

Release year

iPhone 16 Pro Max
2024
K13
2025

Starting price

iPhone 16 Pro Max
$1,199
K13
—

Display size

iPhone 16 Pro Max
6.9-inch
K13
6.7-inch

Dimensions

iPhone 16 Pro Max
77.6 mm × 163.0 mm × 8.3 mm
K13
76.1 mm × 163.2 mm × 8.5 mm

Weight

iPhone 16 Pro Max
227 g
K13
208 g

Front material

iPhone 16 Pro Max
Ceramic Shield
K13
—

Back material

iPhone 16 Pro Max
Textured matte glass
K13
—

Display

Display technology

iPhone 16 Pro Max
Super Retina XDR OLED
K13
AMOLED

Resolution

iPhone 16 Pro Max
2868 × 1320
K13
2400 × 1080

Refresh rate

iPhone 16 Pro Max
120 Hz
K13
120 Hz

Peak brightness

iPhone 16 Pro Max
2000 nits
K13
1200 nits

Protection

iPhone 16 Pro Max
Ceramic Shield
K13
—

Performance

Chipset

iPhone 16 Pro Max
Apple A18 Pro
K13
Snapdragon 6 Gen 4

GPU

iPhone 16 Pro Max
6-core GPU
K13
Adreno 810

RAM

iPhone 16 Pro Max
8 GB
K13
8 GB

Storage

iPhone 16 Pro Max
128 GB, 256 GB, 512 GB, 1024 GB
K13
128 GB, 256 GB

Expandable storage

iPhone 16 Pro Max
No
K13
—

Cameras

Main camera

iPhone 16 Pro Max
Fusion · 48 MP · ƒ/1.78 · 24 mm · Second-generation sensor-shift OIS
K13
Wide · 50 MP · ƒ/1.8 · EIS

Ultra-wide camera

iPhone 16 Pro Max
Ultra Wide · 48 MP · ƒ/2.2 · 13 mm
K13
—

Telephoto camera

iPhone 16 Pro Max
Telephoto · 12 MP · ƒ/2.8 · 120 mm · 5× optical zoom · OIS
K13
—

Monochrome camera

iPhone 16 Pro Max
—
K13
Monochrome · 2 MP · ƒ/2.4

Front cameras

iPhone 16 Pro Max
TrueDepth · 12 MP · ƒ/1.9
K13
Front · 16 MP · ƒ/2.4 · EIS

Video recording

iPhone 16 Pro Max
4K Dolby Vision up to 120 fps, ProRes up to 4K at 60 fps
K13
4K at 30 fps

Battery & charging

Wired charging

iPhone 16 Pro Max
25 W
K13
80 W

Wireless charging

iPhone 16 Pro Max
15 W
K13
—

Charging standard

iPhone 16 Pro Max
MagSafe, Qi2
K13
SUPERVOOC; VOOC; PPS; PD; QC

Battery type

iPhone 16 Pro Max
Built-in rechargeable lithium-ion
K13
—

Typical capacity

iPhone 16 Pro Max
—
K13
7000 mAh

Rated capacity

iPhone 16 Pro Max
—
K13
6820 mAh

Connectivity

Cellular

iPhone 16 Pro Max
5G (sub-6 GHz and mmWave), Gigabit LTE
K13
5G, LTE

Wi‑Fi

iPhone 16 Pro Max
Wi‑Fi 7 (802.11be)
K13
Wi‑Fi 6

Bluetooth

iPhone 16 Pro Max
Bluetooth 5.3
K13
Bluetooth 5.2

USB

iPhone 16 Pro Max
USB-C (USB 3)
K13
USB Type‑C

NFC

iPhone 16 Pro Max
Yes
K13
—

eSIM

iPhone 16 Pro Max
Yes
K13
—

Satellite

iPhone 16 Pro Max
Emergency SOS via satellite
K13
—

Build & durability

Frame

iPhone 16 Pro Max
Titanium
K13
—

Ingress protection

iPhone 16 Pro Max
IP68
K13
IP65

Key differences

The most meaningful measured gaps in size and weight — not an overall winner.

  • Weight

    K13

    19 g lighter

  • Width

    iPhone 16 Pro Max

    1.5 mm wider · minor difference

  • Thickness

    iPhone 16 Pro Max

    0.3 mm thinner · minor difference

  • Height

    Very similar height

View iPhone 16 Pro Max detailsView K13 details

User Experience Summary

iPhone 16 Pro Max

Strengths

  • Best-in-lineup battery endurance for real travel and heavy days
  • 6.9-inch ProMotion display transforms media, gaming, and mobile editing
  • Full Pro camera system including 5x telephoto and 48MP ultrawide

Compromises

  • Wide, heavy body limits one-handed and pocket-first use
  • 227 g long-session fatigue for some owners
  • No camera advantage over the smaller iPhone 16 Pro
Read user experience

K13

Strengths

  • 7,000 mAh battery with excellent daily and light multi-day endurance
  • FHD+ AMOLED display clearly ahead of HD+ LCD on K14 and A6s
  • 80W SUPERVOOC charging faster than 45W endurance siblings

Compromises

  • Modest cameras without ultrawide for flexible photography
  • Overpowered-performance marketing exceeds maximum gaming reality
  • ColorOS bloatware requires first-week cleanup
Read user experience

Compare in Sizometry Tool

See both devices at the same scale.

Compare in Tool

Dimensions and weight are based on manufacturer specifications. Handling estimates are derived from physical measurements. Methodology