Asus Zenfone 8 vs. Apple iPhone 13: A Deep Dive into Two Distinct Flagships

The Asus Zenfone 8 and Apple iPhone 13 represent contrasting philosophies in the flagship smartphone market. The Zenfone 8 prioritizes raw performance and a compact form factor, while the iPhone 13 focuses on a seamless ecosystem and refined user experience. This comparison dissects their key differences to determine which device best suits your needs.
Phones Images

🏆 Quick Verdict

For the average user prioritizing ease of use, long-term software support, and a strong ecosystem, the Apple iPhone 13 is the better choice. However, power users and those seeking a truly compact, high-performance Android device will find the Zenfone 8 a compelling alternative.

PHONES
Phone Names Asus Zenfone 8 Apple iPhone 13
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 - International1, 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 - A2633, A2634, A2635
5G bands1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78 SA/NSA - International1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 29, 30, 38, 40, 41, 48, 66, 71, 77, 78, 79 Sub6/mmWave - A2633
SpeedHSPA 42.2/5.76 Mbps, LTE (5CA) Cat20 2000/150 Mbps, 5GHSPA, LTE, 5G, EV-DO Rev.A 3.1 Mbps
TechnologyGSM / HSPA / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
 1, 2, 3, 5, 7, 8, 12, 20, 25, 38, 40, 66, 71, 77, 78 SA/NSA - USA1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA/Sub6 - A2634, A2635
Launch
Announced2021, May 122021, September 14
StatusAvailable. Released 2021, May 13Available. Released 2021, September 24
Body
BuildGlass front (Gorilla Glass Victus), glass back (Gorilla Glass 3), aluminum frameGlass front, glass back, aluminum frame
Dimensions148 x 68.5 x 8.9 mm (5.83 x 2.70 x 0.35 in)146.7 x 71.5 x 7.7 mm (5.78 x 2.81 x 0.30 in)
SIMNano-SIM + Nano-SIM· Nano-SIM + eSIM· Nano-SIM + Nano-SIM
Weight169 g (5.96 oz)174 g (6.14 oz)
 IP68 dust/water resistant (up to 1.5m for 30 min)IP68 dust/water resistant (up to 6m for 30 min) Apple Pay (Visa, MasterCard, AMEX certified)
Display
ProtectionCorning Gorilla Glass VictusCeramic Shield glass
Resolution1080 x 2400 pixels, 20:9 ratio (~446 ppi density)1170 x 2532 pixels, 19.5:9 ratio (~460 ppi density)
Size5.9 inches, 84.0 cm2 (~82.9% screen-to-body ratio)6.1 inches, 90.2 cm2 (~86.0% screen-to-body ratio)
TypeSuper AMOLED, 120Hz, HDR10+, 700 nits (HBM), 1100 nits (peak)Super Retina XDR OLED, HDR10, Dolby Vision, 800 nits (HBM), 1200 nits (peak)
 Always-on display-
Platform
CPUOcta-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)Hexa-core (2x3.23 GHz Avalanche + 4x1.82 GHz Blizzard)
ChipsetQualcomm SM8350 Snapdragon 888 5G (5 nm)Apple A15 Bionic (5 nm)
GPUAdreno 660Apple GPU (4-core graphics)
OSAndroid 11, upgradable to Android 13iOS 15, upgradable to iOS 26.1
Memory
Card slotNoNo
Internal128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 256GB 16GB RAM128GB 4GB RAM, 256GB 4GB RAM, 512GB 4GB RAM
 UFS 3.1NVMe
Main Camera
Dual64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF, OIS 12 MP, f/2.2, 112˚, 14mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF12 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
FeaturesLED flash, HDR, panoramaDual-LED dual-tone flash, HDR (photo/panorama)
Single-12 MP, f/2.2, 23mm (wide), 1/3.6" SL 3D, (depth/biometrics sensor)
Video8K@24fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR4K@24/25/30/60fps, 1080p@25/30/60/120/240fps, HDR, Dolby Vision HDR (up to 60fps), stereo sound rec.
Selfie camera
Features-HDR
Single12 MP, f/2.5, 28mm (standard), 1/2.93", 1.22µm, dual pixel PDAF12 MP, f/2.2, 23mm (wide), 1/3.6", 1.0µm SL 3D, (depth/biometrics sensor)
Video4K@30fps, 1080p@30/60fps4K@24/25/30/60fps, 1080p@25/30/60/120fps, gyro-EIS
Sound
3.5mm jack YesNo
35mm jackYesNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
 32-bit/384kHz audio-
Comms
Bluetooth5.2, A2DP, LE, aptX HD, aptX Adaptive5.0, A2DP, LE
NFCYesYes
PositioningGPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)GPS, GLONASS, GALILEO, BDS, QZSS
RadioFM radio (market/region dependent)No
USBUSB Type-C 2.0, OTGLightning, USB 2.0
WLANWi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6, dual-band, hotspot
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFace ID, accelerometer, gyro, proximity, compass, barometer
 -Ultra Wideband (UWB) support
Battery
Charging30W wired, PD3.0, 60% in 25 min, 100% in 80 min Reverse wiredWired, PD2.0, 50% in 30 min 15W wireless (MagSafe) 15W wireless (Qi2) - requires iOS 17.2 update
TypeLi-Po 4000 mAhLi-Ion 3240 mAh (12.41 Wh)
Misc
ColorsObsidian Black, Horizon SilverStarlight, Midnight, Blue, Pink, Red, Green
ModelsZS590KS, ZS590KS-2A007EU, I006DA2633, A2482, A2631, A2634, A2635, iphone14,5
PriceAbout 290 EUR€ 304.00 / $ 249.97 / £ 248.00
SAR-1.18 W/kg (head)     1.19 W/kg (body)
SAR EU-0.99 W/kg (head)     0.98 W/kg (body)
Tests
Battery life Endurance rating 88h Endurance rating 89h
Camera Photo / Video Photo / Video
Display Contrast ratio: Infinite (nominal) Contrast ratio: Infinite (nominal)
Loudspeaker -27.9 LUFS (Good) -25.5 LUFS (Very good)
Performance AnTuTu: 676001 (v8) | 799738 (v9) GeekBench: 3604 (v5.1) GFXBench: 61fps (ES 3.1 onscreen) AnTuTu: 775519 (v9) GeekBench: 4645 (v5.1) GFXBench: 59fps (ES 3.1 onscreen)

Asus Zenfone 8

  • More affordable price point
  • Compact and pocketable design
  • Faster wired charging speed

  • Shorter software support lifespan
  • Potential for thermal throttling under heavy load
  • Less refined user experience compared to iOS

Apple iPhone 13

  • Superior performance and sustained speeds
  • Long-term software support and updates
  • Excellent camera quality and video recording

  • Higher price tag
  • Larger size compared to the Zenfone 8
  • Slower wired charging speed

Display Comparison

Both the Zenfone 8 and iPhone 13 boast excellent displays with infinite (nominal) contrast ratios, ensuring deep blacks and vibrant colors. However, the iPhone 13 edges out the Zenfone 8 with a slightly higher peak brightness of 802 nits compared to the Zenfone 8’s 800 nits. While the difference is minimal, it could be noticeable in direct sunlight. Neither device specifies refresh rate, suggesting both are locked at 60Hz, a potential drawback for users accustomed to smoother scrolling on higher refresh rate panels. The similar brightness levels suggest comparable outdoor visibility, but the iPhone’s color calibration is generally considered more accurate out of the box.

Camera Comparison

Both phones offer capable camera systems, but approach image processing differently. While both are listed as capable of Photo/Video, specific sensor details are missing. The iPhone 13 is known for its cinematic mode and natural-looking images, prioritizing color accuracy and dynamic range. The Zenfone 8, leveraging the Snapdragon 888’s ISP, likely offers more computational photography features and potentially more aggressive image processing. Without detailed sensor specifications, it’s difficult to definitively declare a winner, but Apple’s consistent image quality and video capabilities give it a slight edge. The lack of detail regarding the Zenfone 8’s camera suggests it may not compete with the iPhone 13’s video recording prowess.

Performance

The core of the performance difference lies in the chipsets. The Zenfone 8 utilizes the Qualcomm Snapdragon 888 5G (5nm), featuring an octa-core CPU with a high-clocked Cortex-X1 prime core. The iPhone 13, conversely, employs Apple’s A15 Bionic (5nm) with a hexa-core CPU. While core count differs, the A15 Bionic consistently outperforms the Snapdragon 888 in real-world benchmarks and sustained performance due to Apple’s superior chip design and thermal management. The Zenfone 8’s Snapdragon 888 can experience thermal throttling under prolonged heavy load, whereas the A15 Bionic maintains higher clock speeds for longer. Both devices utilize 5G connectivity, but the A15 Bionic’s integrated modem generally offers faster and more reliable speeds.

Battery Life

Battery endurance is remarkably similar, with both phones achieving an 89-hour rating. However, the charging speeds differ significantly. The Zenfone 8 supports 30W wired charging with PD3.0, reaching 60% in 25 minutes and 100% in 80 minutes. The iPhone 13 offers slower wired charging, reaching 50% in 30 minutes with PD2.0. The iPhone 13 also supports 15W wireless charging via MagSafe and Qi2 (requiring iOS 17.2), a feature absent on the Zenfone 8. While the Zenfone 8 charges faster initially, the iPhone 13’s wireless charging adds convenience. The similar endurance ratings suggest comparable real-world battery life despite potential differences in battery capacity.

Buying Guide

Buy the Asus Zenfone 8 if you need a pocketable powerhouse with maximum Android customization and don't mind potentially shorter software support. It's ideal for gamers, power users, and those who dislike large phones. Buy the Apple iPhone 13 if you prefer a polished, user-friendly experience, a robust app ecosystem, and guaranteed software updates for years to come. It's best for users deeply invested in the Apple ecosystem and those prioritizing camera simplicity.

Frequently Asked Questions

❓ Does the Snapdragon 888 in the Zenfone 8 overheat during extended gaming sessions?
The Snapdragon 888 is known to generate heat under sustained load. While the Zenfone 8 has cooling solutions, it's likely to experience some thermal throttling during prolonged gaming, potentially leading to reduced performance. The iPhone 13's A15 Bionic is more efficient and maintains higher clock speeds for longer periods.
❓ How does the iPhone 13's MagSafe wireless charging compare to standard Qi wireless charging?
MagSafe offers a more secure connection and faster wireless charging speeds (up to 15W) compared to standard Qi wireless charging (typically 7.5W on iPhones). The Zenfone 8 lacks wireless charging entirely, making MagSafe a unique advantage for the iPhone 13.
❓ What kind of software updates can Zenfone 8 users expect compared to iPhone 13 users?
Apple provides typically 5-7 years of major iOS updates for its iPhones, ensuring long-term security and feature enhancements. Asus's software support for the Zenfone 8 is considerably shorter, typically around 2-3 years of major Android updates. This is a significant consideration for users who prioritize long-term software support.