Infinix Zero Ultra vs Google Pixel 7a: A Deep Dive into Speed, Snaps, and Smarts

The mid-range smartphone market is fiercely competitive, and the Infinix Zero Ultra and Google Pixel 7a represent compelling options at different ends of the spectrum. The Zero Ultra aggressively targets charging speed and raw power, while the Pixel 7a prioritizes Google’s renowned camera capabilities and software experience. This comparison dissects their key differences to help you choose the right phone for your needs.

Phones Images

🏆 Quick Verdict

For the average user prioritizing camera quality and a polished software experience, the Google Pixel 7a is the clear winner. However, the Infinix Zero Ultra’s 180W charging is a game-changer for those who value minimizing downtime and don't mind a less refined software experience.

PHONES
Phone Names	Infinix Zero Ultra	Google Pixel 7a

Network
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100	HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands	1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41, 66	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 71 - GWKK3, G0DZQ
5G bands	1, 2, 3, 5, 20, 28, 38, 40, 41, 71, 77, 78, 79 SA/NSA/Sub6	1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 28, 30, 38, 41, 48, 66, 71, 77, 78 SA/NSA/Sub6 - GWKK3
Speed	HSPA 42.2/11.5 Mbps, LTE Cat7 300/75 Mbps, 5G	HSPA, LTE, 5G
Technology	GSM / HSPA / LTE / 5G	GSM / HSPA / LTE / 5G
	1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA/Sub6	1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 75, 76, 77, 78, 79 SA/NSA/Sub6 - GHL1X, G82U8

Launch
Announced	2022, October 05	2023, May 10
Status	Available. Released 2022, October 25	Available. Released 2023, May 10

Body
Build	-	Glass front (Gorilla Glass 3), aluminum frame, plastic back
Dimensions	165.5 x 74.5 x 8.8 mm - Coslight Silver165.5 x 75.1 x 9.2 mm - Genesis Noir	152 x 72.9 x 9 mm (5.98 x 2.87 x 0.35 in)
SIM	Nano-SIM + Nano-SIM	Nano-SIM + eSIM
Weight	213 g (7.51 oz)	193.5 g (6.84 oz)
	-	IP67 dust/water resistant (up to 1m for 30 min)

Display
Protection	Corning Gorilla Glass 3	Corning Gorilla Glass 3
Resolution	1080 x 2400 pixels, 20:9 ratio (~387 ppi density)	1080 x 2400 pixels, 20:9 ratio (~429 ppi density)
Size	6.8 inches, 111.6 cm2 (~90.5% screen-to-body ratio)	6.1 inches, 90.7 cm2 (~81.8% screen-to-body ratio)
Type	AMOLED, 120Hz, 900 nits (HBM)	OLED, HDR, 90Hz
	-	Always-on display

Platform
CPU	Octa-core (2x2.5 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)	Octa-core (2x2.85 GHz Cortex-X1 & 2x2.35 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
Chipset	Mediatek Dimensity 920 (6 nm)	Google Tensor G2 (5 nm)
GPU	Mali-G68 MC4	Mali-G710 MP7
OS	Android 12, XOS 12	Android 13, upgradable to Android 15, up to 5 major Android upgrades

Memory
Card slot	No	No
Internal	256GB 8GB RAM	128GB 8GB RAM
	-	UFS 3.1

Main Camera
Dual	-	64 MP, f/1.9, 26mm (wide), 1/1.73", 0.8µm, dual pixel PDAF, OIS 13 MP, f/2.2, 120˚ (ultrawide), 1.12µm
Features	Dual-LED flash, HDR, panorama	Dual-LED flash, Pixel Shift, Auto-HDR, panorama
Single	32 MP, f/2.0, (wide)	-
Triple	200 MP, f/2.0, (wide), 1/1.22", 0.64µm, dual pixel PDAF, OIS 13 MP, f/2.4, (ultrawide), AF 2 MP	-
Video	4K@30fps, 1080p@30/60fps	4K@30/60fps, 1080p@30/60/120/240fps, OIS

Selfie camera
Features	Dual-LED flash	HDR, panorama
Single	32 MP, f/2.0, (wide)	13 MP, f/2.2, 20mm (ultrawide), 1.12µm
Video	1080p@30fps	4K@30fps, 1080p@30fps

Sound
3.5mm jack	No	No
35mm jack	No	No
Loudspeaker	Yes, with dual speakers	Yes, with stereo speakers

Comms
Bluetooth	Yes	5.3, A2DP, LE
NFC	Yes (market/region dependent)	Yes
Positioning	GPS	GPS, GLONASS, GALILEO, BDS, QZSS, NavIC
Radio	FM radio	No
USB	USB Type-C 2.0, OTG	USB Type-C 3.2
WLAN	Wi-Fi 802.11 a/b/g/n/ac/6, dual-band	Wi-Fi 802.11 a/b/g/n/ac/6e, tri-band

Features
Sensors	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass	Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, barometer

Battery
Charging	180W wired, 100% in 12 min	18W wired, PD3.0 7.5W wireless
Type	4500 mAh	Li-Po 4385 mAh

Misc
Colors	Coslight Silver, Genesis Noir	Charcoal, Snow, Sea, Coral
Models	X6820	GWKK3, GHL1X, G0DZQ, G82U8
Price	About 500 EUR	€ 179.90 / $ 150.00 / £ 170.00 / ₹ 25,980

Infinix Zero Ultra

Blazing-fast 180W charging (0-100% in 12 minutes)
Powerful Dimensity 920 chipset for demanding tasks
Potentially competitive price point

Software experience likely less refined than Pixel
Camera performance potentially lags behind Pixel 7a
Battery capacity not specified

Google Pixel 7a

Exceptional camera quality with Google’s computational photography
Clean and intuitive software experience with guaranteed updates
Excellent battery life and efficient power management

Significantly slower 18W charging
Less powerful chipset compared to Zero Ultra
Higher price point

Display Comparison

The Pixel 7a boasts a measured peak brightness of 1070 nits, ensuring excellent visibility even in direct sunlight. While the Zero Ultra’s display specs are not provided, its market positioning suggests a comparable, if not slightly lower, peak brightness. The Pixel 7a’s OLED panel delivers vibrant colors and deep blacks, and its 90Hz refresh rate provides smoother scrolling. The absence of LTPO technology on either device means refresh rate scaling isn’t as dynamic as on flagship phones, but the Pixel 7a’s color accuracy is likely superior due to Google’s calibration expertise.

Camera Comparison

The Pixel 7a’s camera system is its standout feature. While specific sensor details aren’t provided in the context data, Google’s computational photography algorithms are renowned for their ability to produce stunning images in various conditions. The Pixel 7a excels in dynamic range, detail preservation, and low-light performance. The Zero Ultra’s camera specs are not detailed enough to make a direct comparison, but its success will hinge on its image processing capabilities to compete with Google’s expertise. The Pixel 7a’s video recording capabilities are also likely superior, benefiting from the Tensor G2’s dedicated image signal processor (ISP).

Performance

The Google Pixel 7a’s Tensor G2, fabricated on a 5nm process, offers a significant architectural advantage over the Infinix Zero Ultra’s Dimensity 920 (6nm). The Tensor G2’s Cortex-X1 prime core, clocked at 2.85 GHz, provides a substantial performance boost over the Zero Ultra’s Cortex-A78 cores (2.5 GHz). While both chips are octa-core, the Tensor G2’s focus on AI and machine learning tasks translates to superior image processing and on-device smarts. The 5nm process also contributes to better thermal efficiency, potentially reducing throttling during sustained workloads. The Zero Ultra’s Dimensity 920 is still a capable performer, but the Tensor G2 holds a clear lead in overall processing power and efficiency.

Battery Life

The Pixel 7a’s endurance rating of 76 hours suggests a well-optimized battery life, despite not having the largest capacity. The Infinix Zero Ultra’s battery capacity is not specified, but its 180W wired charging is its defining feature. A full charge takes only 12 minutes, drastically reducing downtime. The Pixel 7a’s 18W charging, while supporting PD3.0, is significantly slower. The Zero Ultra’s charging speed effectively mitigates any potential disadvantage from a smaller battery capacity, making it ideal for users who frequently need to top up their phone quickly. The Pixel 7a also offers 7.5W wireless charging, a feature absent on the Zero Ultra.

Buying Guide

Buy the Infinix Zero Ultra if you need incredibly fast charging – topping up from 0-100% in just 12 minutes – and prioritize raw processing power for demanding tasks. Buy the Google Pixel 7a if you prefer a consistently excellent camera, a clean and intuitive software experience with guaranteed updates, and a more balanced overall package.

Frequently Asked Questions

❓ Does the Dimensity 920 in the Infinix Zero Ultra get noticeably hot during extended gaming sessions?

The 6nm process of the Dimensity 920 is reasonably efficient, but sustained gaming will likely generate heat. While not expected to reach critical levels, the Pixel 7a’s 5nm Tensor G2 is likely to exhibit better thermal management, resulting in less performance throttling during prolonged gaming.

❓ How does the Pixel 7a’s camera perform in low-light conditions compared to other phones in its price range?

The Pixel 7a consistently ranks among the best in low-light photography within its price bracket. Google’s Night Sight mode leverages computational photography to capture bright, detailed images with minimal noise, often surpassing the capabilities of phones with larger sensors but less sophisticated image processing.

❓ Is the 180W charging of the Infinix Zero Ultra safe for the battery's long-term health?

Infinix employs multiple safety mechanisms to mitigate the risks associated with ultra-fast charging. These include optimized charging curves, temperature control, and overcharge protection. While long-term battery health is always a consideration with any charging technology, Infinix claims to have implemented safeguards to minimize degradation.

❓ Does the Google Pixel 7a support expandable storage via microSD card?

No, the Google Pixel 7a does not support expandable storage. Users are limited to the internal storage option selected at the time of purchase. This is a common omission in modern smartphones, so users should carefully consider their storage needs before buying.