Poco F7 vs. Asus Zenfone 9: A Detailed Comparison of Two Powerful Smartphones

The Xiaomi Poco F7 arrives as a compelling mid-range contender, boasting the latest Snapdragon 8s Gen 4 chipset and a bright display. It directly challenges the Asus Zenfone 9, a 2022 compact flagship known for its powerful Snapdragon 8+ Gen 1 and refined user experience. This comparison dissects their strengths and weaknesses to determine which phone delivers the best value and performance.
Phones Images

🏆 Quick Verdict

For most users, the Xiaomi Poco F7 emerges as the winner. Its significantly brighter display (1525 nits vs 831 nits) and faster 90W charging, coupled with the newer Snapdragon 8s Gen 4, offer a more compelling package. However, the Zenfone 9’s compact form factor remains a unique advantage.

PHONES
Phone Names Xiaomi Poco F7 Asus Zenfone 9
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 38, 40, 41, 42, 48, 661, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42 - A version
5G bands1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA/Sub61, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78 - A version
SpeedHSPA, LTE, 5GHSPA 42.2/5.76 Mbps, LTE (5CA) Cat20 2000/211 Mbps, 5G 4.5/0.9 Gbps
TechnologyGSM / HSPA / LTE / 5GGSM / HSPA / LTE / 5G
 -1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 71, 77, 78 - C version
Launch
Announced2025, June 242022, July 28
StatusAvailable. Released 2025, June 24Available. Released 2022, September 15
Body
BuildGlass front (Gorilla Glass 7i), aluminum frame, glass backGlass front (Gorilla Glass Victus), plastic back, aluminum frame
Dimensions163.1 x 77.9 x 8.2 mm (6.42 x 3.07 x 0.32 in)146.5 x 68.1 x 9.1 mm (5.77 x 2.68 x 0.36 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight215.7 g (7.62 oz)169 g (5.96 oz)
 -IP68 dust/water resistant (up to 1.5m for 30 min)
Display
ProtectionCorning Gorilla Glass 7i, Mohs level 5Corning Gorilla Glass Victus
Resolution1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)1080 x 2400 pixels, 20:9 ratio (~445 ppi density)
Size6.83 inches, 114.5 cm2 (~90.2% screen-to-body ratio)5.9 inches, 84.4 cm2 (~84.6% screen-to-body ratio)
TypeAMOLED, 68B colors, 120Hz, 3840Hz PWM, Dolby Vision, HDR10+, 700 nits (typ), 1700 nits (HBM), 3200 nits (peakSuper AMOLED, 120Hz, HDR10+, 1100 nits (peak)
 -Always-on display
Platform
CPUOcta-core (1x3.21 GHz Cortex-X4 & 3x3.0 GHz Cortex-A720 & 2x2.8 GHz Cortex-A720 & 2x2.0 GHz Cortex-A720)Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)
ChipsetQualcomm SM8735 Snapdragon 8s Gen 4 (4 nm)Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm)
GPUAdreno 825Adreno 730
OSAndroid 15, HyperOS 2Android 12, upgradable to Android 14
Memory
Card slotNoNo
Internal256GB 12GB RAM, 512GB 12GB RAM128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 16GB RAM
 -UFS 3.1
Main Camera
Dual50 MP, f/1.5, 26mm (wide), 1/1.95", 0.8µm, PDAF, OIS 8 MP, f/2.2, 15mm (ultrawide), 1/4.0", 1.12µm50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, multi-directional PDAF, gimbal OIS 12 MP, f/2.2, 14mm, 113° (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF
FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Video4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS8K@24fps, 4K@30/60/120fps, 1080p@30/60/240fps; gyro-EIS, HDR
Selfie camera
FeaturesHDR-
Single20 MP, f/2.2, (wide), 1/4"12 MP, f/2.5, 28mm (standard), 1/2.93", 1.22µm, dual pixel PDAF
Video1080p@30/60fps4K@30fps, 1080p@30/60fps
Sound
3.5mm jack -Yes
35mm jackNoYes
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
 -24-bit/192kHz audio
Comms
Bluetooth6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 55.2, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless
Infrared portYes-
NFCYesYes
PositioningGPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASSGPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Charging90W wired, PD3.0, QC3+, 80% in 30 min 22.5W reverse wired30W wired, PD3.0, PPS, QC4 5W reverse wired
TypeMarket-dependent versions:· 6500 mAh - International model· Si/C Li-Ion 7550 mAh - India modelLi-Po 4300 mAh
Misc
ColorsBlack, White, Cyber SilverStarry Blue, Moonlight White, Sunset Red, Midnight Black
Models25053PC47G, 25053PC47IAI2202-1A006EU, AI2202, AI2202_B
Price€ 329.90 / $ 376.57 / £ 289.00£ 619.99
Tests
Battery life- Endurance rating 108h
Camera- Photo / Video
Display- Contrast ratio: Infinite (nominal)
Loudspeaker- -26.7 LUFS (Good)
Performance- AnTuTu: 1083092 (v9) GeekBench: 4338 (v5.1) GFXBench: 89fps (ES 3.1 onscreen)
EU LABEL
Battery64:03h endurance, 1000 cycles-
EnergyClass B-
Free fallClass D (45 falls)-
RepairabilityClass C-

Xiaomi Poco F7

  • Significantly brighter display for outdoor visibility
  • Faster Snapdragon 8s Gen 4 processor
  • Ultra-fast 90W wired charging
  • Longer battery endurance (based on newer testing)

  • Likely larger and less pocketable than the Zenfone 9
  • Software experience may not be as refined as Asus’s

Asus Zenfone 9

  • Extremely compact and pocketable design
  • Refined software experience with minimal bloatware
  • Excellent camera image processing and video stabilization
  • Good battery life for its size

  • Dimmer display compared to the Poco F7
  • Slower 30W charging
  • Older Snapdragon 8+ Gen 1 processor

Display Comparison

The Poco F7’s display is a clear standout, achieving a measured peak brightness of 1525 nits, significantly surpassing the Zenfone 9’s 831 nits. This translates to vastly improved visibility in direct sunlight. While both utilize 4nm chipsets, the brighter display of the Poco F7 will draw more power. The Zenfone 9’s ‘Infinite’ contrast ratio suggests a high-quality OLED panel, but the lower peak brightness limits its HDR performance. The Poco F7’s larger size likely contributes to its brightness advantage, but also means it won’t be as easily one-handed as the Zenfone 9.

Camera Comparison

Both phones feature capable camera systems, but detailed sensor information is limited for both. The Zenfone 9’s camera is known for its excellent image processing and video stabilization. Without specific sensor size or aperture details for the Poco F7, it’s difficult to make a direct comparison. The Zenfone 9’s focus on photo and video suggests a more refined camera experience, while the Poco F7 likely prioritizes overall value. We can assume the Poco F7 will have a higher megapixel count, but megapixels aren’t everything; image processing and sensor quality are crucial.

Performance

The Poco F7’s Snapdragon 8s Gen 4 (4nm) represents a generational leap over the Zenfone 9’s Snapdragon 8+ Gen 1 (4nm). The 8s Gen 4’s Cortex-X4 prime core, clocked at 3.21 GHz, offers a performance advantage over the Zenfone 9’s Cortex-X2 (3.19 GHz). The Poco F7’s CPU configuration, with a mix of Cortex-A720 cores, is designed for sustained performance. While the 8+ Gen 1 is still a capable chip, the 8s Gen 4’s newer architecture and potentially improved thermal management will likely result in higher sustained clock speeds during demanding tasks. The Poco F7’s LPDDR5x RAM will also contribute to faster application loading and multitasking.

Battery Life

The Poco F7 boasts a 64:03h endurance rating and 90W wired charging, capable of reaching 80% charge in just 30 minutes. This is a significant advantage over the Zenfone 9’s 30W charging. While the Zenfone 9’s 108h endurance rating is impressive, it’s based on older testing methodologies. The Poco F7’s active use score of 14:45h provides a more realistic measure of real-world battery life. The Poco F7’s faster charging mitigates any potential battery life concerns, allowing for quick top-ups throughout the day. The 22.5W reverse wired charging on the Poco F7 is also substantially faster than the Zenfone 9’s 5W reverse charging.

Buying Guide

Buy the Xiaomi Poco F7 if you prioritize raw performance, a vibrant display for media consumption, and incredibly fast charging speeds. It’s ideal for gamers and power users who demand the most from their device. Buy the Asus Zenfone 9 if you value a truly pocketable design, a refined software experience, and don't mind sacrificing some display brightness and charging speed for ultimate portability.

Frequently Asked Questions

❓ Does the Snapdragon 8s Gen 4 in the Poco F7 throttle under sustained load, and how does it compare to the Zenfone 9's 8+ Gen 1?
While long-term testing is needed, the Snapdragon 8s Gen 4’s newer architecture and potentially improved thermal management suggest it will throttle less than the Zenfone 9’s 8+ Gen 1 during extended gaming sessions. The 8s Gen 4’s more efficient CPU cores and potentially optimized cooling solution should allow for higher sustained clock speeds.
❓ How significant is the difference in display brightness between the Poco F7 and Zenfone 9 in real-world usage?
The difference is substantial. The Poco F7’s 1525 nits peak brightness makes it easily viewable in direct sunlight, while the Zenfone 9’s 831 nits can struggle in the same conditions. This is particularly noticeable when viewing HDR content or using the phone outdoors.
❓ Is the 22.5W reverse wired charging on the Poco F7 useful for charging accessories like earbuds or smartwatches?
Yes, the 22.5W reverse wired charging is significantly faster than the Zenfone 9’s 5W offering. It can quickly top up smaller devices, making it a convenient feature for users who frequently use wireless accessories.
❓ Given the Zenfone 9 is an older model, is software support still a concern?
Asus typically provides good software support for its devices, but the Zenfone 9 is nearing the end of its major Android update cycle. While it will likely continue to receive security patches for a while, it won't receive the same long-term software support as the newer Poco F7.