iPhone 13 mini vs. OnePlus 9RT 5G: A Deep Dive into Compact Flagships

The smartphone landscape is dominated by large-screen devices, but Apple and OnePlus continue to cater to those who prefer a more pocketable experience. The iPhone 13 mini, despite its age, remains a compelling option with its powerful A15 Bionic chip. The OnePlus 9RT 5G, while newer, aims to deliver flagship performance with a focus on rapid charging and gaming. This comparison dissects these two phones to determine which reigns supreme for users prioritizing portability and power.
Phones Images

🏆 Quick Verdict

For the average user prioritizing long-term software support and a refined ecosystem, the iPhone 13 mini is the better choice. Its A15 Bionic chip still delivers excellent performance, and the 75-hour endurance rating provides solid battery life. However, the OnePlus 9RT 5G’s blazing-fast 65W charging is a significant advantage for those who value convenience.

PHONES
Phone Names Apple iPhone 13 mini OnePlus 9RT 5G
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100
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, 46, 48, 66 - A2628, A2629, A26301, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41 - Global
5G bands1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 29, 30, 38, 40, 41, 48, 66, 71, 77, 78, 79 Sub6/mmWave - A26281, 3, 5, 8, 28, 40, 41, 78 SA/NSA - Global
SpeedHSPA, LTE, 5G, EV-DO Rev.A 3.1 MbpsHSPA 42.2/5.76 Mbps, LTE Cat18 1200/200 Mbps, 5G
TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA/Sub6 - A2629, A2630CDMA2000 1xEV-DO
Launch
Announced2021, September 142021, October 13
StatusAvailable. Released 2021, September 24Available. Released 2021, October 19
Body
BuildGlass front, glass back, aluminum frameGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Dimensions131.5 x 64.2 x 7.7 mm (5.18 x 2.53 x 0.30 in)162.2 x 74.6 x 8.3 mm (6.39 x 2.94 x 0.33 in)
SIM· Nano-SIM + eSIM· Nano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight141 g (4.97 oz)198.5 g (7.02 oz)
 IP68 dust/water resistant (up to 6m for 30 min) Apple Pay (Visa, MasterCard, AMEX certified)-
Display
ProtectionCeramic Shield glassCorning Gorilla Glass 5
Resolution1080 x 2340 pixels, 19.5:9 ratio (~476 ppi density)1080 x 2400 pixels, 20:9 ratio (~397 ppi density)
Size5.4 inches, 71.9 cm2 (~85.1% screen-to-body ratio)6.62 inches, 106.3 cm2 (~87.9% screen-to-body ratio)
TypeSuper Retina XDR OLED, HDR10, Dolby Vision, 800 nits (HBM), 1200 nits (peak)AMOLED, 120Hz, HDR10+
 -Always-on display
Platform
CPUHexa-core (2x3.23 GHz Avalanche + 4x1.82 GHz Blizzard)Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
ChipsetApple A15 Bionic (5 nm)Qualcomm SM8350 Snapdragon 888 5G (5 nm)
GPUApple GPU (4-core graphics)Adreno 660
OSiOS 15, upgradable to iOS 26.1Android 11, upgradable to Android 13, OxygenOS 13
Memory
Card slotNoNo
Internal128GB 4GB RAM, 256GB 4GB RAM, 512GB 4GB RAM128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
 NVMeUFS 3.1
Main Camera
Dual12 MP, f/1.6, 26mm (wide), 1/1.9", 1.7µm, dual pixel PDAF, sensor-shift OIS 12 MP, f/2.4, 120˚, 13mm (ultrawide), 1/3.4", 1.0µm-
FeaturesDual-LED dual-tone flash, HDR (photo/panorama)Dual-LED flash, HDR, panorama
Quad-50 MP, f/1.8, 24mm (wide), 1/1.56”, 1.0µm, PDAF, OIS 16 MP, f/2.2, 14mm, 123˚ (ultrawide), 1/3.6", 1.0µm 2 MP (macro)
Single12 MP, f/2.2, 23mm (wide), 1/3.6" SL 3D, (depth/biometrics sensor)16 MP, f/2.4, (wide), 1/3.06", 1.0µm
Video4K@24/25/30/60fps, 1080p@25/30/60/120/240fps, HDR, Dolby Vision HDR (up to 60fps), stereo sound rec.4K@30/60fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS
Selfie camera
FeaturesHDRHDR
Single12 MP, f/2.2, 23mm (wide), 1/3.6", 1.0µm SL 3D, (depth/biometrics sensor)16 MP, f/2.4, (wide), 1/3.06", 1.0µm
Video4K@24/25/30/60fps, 1080p@25/30/60/120fps, gyro-EIS1080p@30fps, gyro-EIS
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.0, A2DP, LE5.2, A2DP, LE
NFCYesYes
PositioningGPS, GLONASS, GALILEO, BDS, QZSSGPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a)
RadioNoNo
USBLightning, USB 2.0USB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, hotspotWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Features
SensorsFace ID, accelerometer, gyro, proximity, compass, barometerFingerprint (under display, optical), accelerometer, gyro, proximity, compass
 Ultra Wideband (UWB) support-
Battery
ChargingWired, PD2.0, 50% in 30 min 15W wireless (MagSafe) 15W wireless (Qi2) - requires iOS 17.2 update65W wired, 100% in 29 min
TypeLi-Ion 2438 mAh (9.34 Wh)Li-Po 4500 mAh
Misc
ColorsStarlight, Midnight, Blue, Pink, Red, GreenHacker Black, Nano Silver, Blue
ModelsA2628, A2481, A2626, A2629, A2630, iphone14,4MT2110, MT2111
Price€ 299.00 / $ 240.00 / £ 244.89About 590 EUR
SAR1.19 W/kg (head)     1.19 W/kg (body)-
SAR EU0.97 W/kg (head)     0.98 W/kg (body)-
Tests
Battery life Endurance rating 75h -
Camera Photo / Video-
Display Contrast ratio: Infinite (nominal)-
Loudspeaker -25.9 LUFS (Very good) -
Performance AnTuTu: 772512 (v9) GeekBench: 4681 (v5.1) GFXBench: 60fps (ES 3.1 onscreen)-

Apple iPhone 13 mini

  • Exceptional performance with the A15 Bionic chip
  • Compact and pocketable design
  • Long-term software support and ecosystem integration

  • Slower charging speeds compared to OnePlus 9RT
  • Smaller screen size may not suit all users

OnePlus 9RT 5G

  • Blazing-fast 65W wired charging
  • Potentially more versatile camera system
  • Customizable Android operating system

  • Snapdragon 888 may throttle under sustained load
  • Software support may be shorter than iPhone

Display Comparison

The iPhone 13 mini boasts a display capable of reaching 831 nits of peak brightness, ensuring excellent visibility even in direct sunlight. While the OnePlus 9RT 5G’s display specs aren’t provided, OnePlus typically prioritizes color accuracy and high refresh rates in their flagship models. The iPhone’s ‘infinite’ contrast ratio, typical of OLED panels, delivers deep blacks and vibrant colors. The lack of refresh rate information for the 9RT is a drawback, as smoother scrolling is a key benefit for many users. The iPhone 13 mini’s smaller size (6.1 inches vs. likely 6.5+ for the 9RT) is a defining characteristic, appealing to those seeking true one-handed usability.

Camera Comparison

Both phones offer capable camera systems, but details are limited. The iPhone 13 mini is renowned for its computational photography, delivering consistently good results in various lighting conditions. The OnePlus 9RT 5G likely features a more versatile camera setup with potentially higher megapixel counts, but image processing philosophies differ. OnePlus often leans towards more vibrant, saturated colors, while Apple aims for a more natural look. Without specific sensor size or aperture information for the 9RT, it’s difficult to definitively assess its low-light performance. The iPhone’s video recording capabilities are generally considered superior, offering cinematic mode and ProRes video recording (though ProRes requires significant storage).

Performance

The core difference lies in the chipsets: Apple’s 5nm A15 Bionic versus Qualcomm’s 5nm Snapdragon 888 5G. The A15 Bionic, with its hexa-core architecture (2x3.23 GHz Avalanche + 4x1.82 GHz Blizzard), is known for its exceptional single-core performance, crucial for responsive app launches and smooth multitasking. The Snapdragon 888, an octa-core processor (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55), excels in multi-threaded tasks. While the Snapdragon 888 is powerful, the A15 Bionic generally outperforms it in real-world benchmarks and sustained performance due to Apple’s tighter hardware-software integration. The iPhone 13 mini’s efficiency also contributes to its better battery endurance.

Battery Life

The iPhone 13 mini achieves an endurance rating of 75 hours, a respectable figure for a phone of its size. The OnePlus 9RT 5G’s battery capacity is unknown, but its standout feature is its 65W wired charging, capable of fully charging the device in just 29 minutes. The iPhone 13 mini supports 50% charge in 30 minutes with PD2.0, and 15W wireless charging via MagSafe and Qi2 (with iOS 17.2). While the iPhone offers wireless charging convenience, the 9RT’s wired charging speed is significantly faster. This difference is crucial for users who frequently need to top up their battery quickly.

Buying Guide

Buy the Apple iPhone 13 mini if you need a phone with a mature, secure operating system, seamless integration with other Apple devices, and a camera known for its consistent image quality. Buy the OnePlus 9RT 5G if you prefer a more customizable Android experience, prioritize incredibly fast charging, and frequently engage in demanding mobile gaming sessions.

Frequently Asked Questions

❓ Does the OnePlus 9RT 5G experience significant thermal throttling during extended gaming sessions?
The Snapdragon 888 is known to generate heat under sustained load. While OnePlus implements cooling solutions, the 9RT may experience some throttling during prolonged gaming, potentially impacting frame rates. The iPhone 13 mini’s A15 Bionic is generally more efficient and less prone to throttling.
❓ How does MagSafe charging on the iPhone 13 mini compare to the OnePlus 9RT’s wired charging in terms of convenience for daily use?
MagSafe offers the convenience of wireless charging, but it’s slower than the OnePlus 9RT’s 65W wired charging. For quick top-ups, the 9RT is far superior. However, MagSafe allows for easy attachment of accessories and provides a convenient charging experience at home or in the office.
❓ Is the difference in CPU performance between the A15 Bionic and Snapdragon 888 noticeable in everyday tasks?
For most everyday tasks like browsing, social media, and email, the difference is minimal. Both chips are powerful enough to handle these tasks with ease. However, the A15 Bionic’s superior single-core performance becomes more apparent in demanding applications like video editing or graphically intensive games.