vivo V27 vs Google Pixel 7a: A Battery Life and Performance Showdown

The vivo V27 and Google Pixel 7a represent compelling options in the increasingly competitive mid-range smartphone market. While the Pixel 7a leverages Google’s Tensor G2 for AI-driven features and camera prowess, the vivo V27 prioritizes endurance with a larger battery and faster charging. This comparison dissects their key differences to determine which device best suits your needs.

Phones Images

🏆 Quick Verdict

For users prioritizing battery life and rapid charging, the vivo V27 is the clear winner. Its 134-hour endurance rating significantly outpaces the Pixel 7a’s 76 hours. However, the Pixel 7a’s Tensor G2 offers a unique software experience and strong camera capabilities, making it ideal for Google ecosystem enthusiasts.

PHONES
Phone Names	vivo V27	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 - International	HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands	1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 38, 39, 40, 41 - International	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, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA - International	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, LTE, 5G	HSPA, LTE, 5G
Technology	GSM / HSPA / LTE / 5G	GSM / HSPA / LTE / 5G
	1, 3, 5, 8, 28, 78 SA/NSA - Asia	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	2023, March 01	2023, May 10
Status	Available. Released 2023, March 01	Available. Released 2023, May 10

Body
Build	Glass front, glass back	Glass front (Gorilla Glass 3), aluminum frame, plastic back
Dimensions	164.1 x 74.8 x 7.4 mm (6.46 x 2.94 x 0.29 in)	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	180 g (6.35 oz)	193.5 g (6.84 oz)
	Color changing back panel color	IP67 dust/water resistant (up to 1m for 30 min)

Display
Protection	-	Corning Gorilla Glass 3
Resolution	1080 x 2400 pixels, 20:9 ratio (~388 ppi density)	1080 x 2400 pixels, 20:9 ratio (~429 ppi density)
Size	6.78 inches, 111.0 cm2 (~90.4% screen-to-body ratio)	6.1 inches, 90.7 cm2 (~81.8% screen-to-body ratio)
Type	AMOLED, 1B colors, 120Hz, HDR10+	OLED, HDR, 90Hz
	-	Always-on display

Platform
CPU	Octa-core (2x2.8 GHz Cortex-A715 & 6x Cortex-A510)	Octa-core (2x2.85 GHz Cortex-X1 & 2x2.35 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
Chipset	Mediatek Dimensity 7200 (4 nm)	Google Tensor G2 (5 nm)
GPU	Mali-G610 MC4	Mali-G710 MP7
OS	Android 13, Funtouch 13	Android 13, upgradable to Android 15, up to 5 major Android upgrades

Memory
Card slot	No	No
Internal	128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB 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	Ring-LED flash, panorama, HDR	Dual-LED flash, Pixel Shift, Auto-HDR, panorama
Single	50 MP, f/2.5, (wide), AF	-
Triple	50 MP, f/1.9, (wide), 1/1.56", 1.0µm, PDAF, OIS 8 MP, f/2.2, 16mm, 120˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro)	-
Video	4K@30/60fps, 1080p@30fps, gyro-EIS	4K@30/60fps, 1080p@30/60/120/240fps, OIS

Selfie camera
Features	Dual-LED flash, HDR	HDR, panorama
Single	50 MP, f/2.5, (wide), AF	13 MP, f/2.2, 20mm (ultrawide), 1.12µm
Video	4K@30/60fps, 1080p@30fps, gyro-EIS	4K@30fps, 1080p@30fps

Sound
3.5mm jack	No	No
35mm jack	No	No
Loudspeaker	Yes	Yes, with stereo speakers
	24-bit/192kHz audio	-

Comms
Bluetooth	5.3, A2DP, LE	5.3, A2DP, LE
NFC	Yes	Yes
Positioning	GPS, GLONASS, GALILEO, BDS, QZSS, NavIC	GPS, GLONASS, GALILEO, BDS, QZSS, NavIC
Radio	No	No
USB	USB Type-C 2.0, OTG	USB Type-C 3.2
WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct	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	66W wired, 50% in 19 min	18W wired, PD3.0 7.5W wireless
Type	4600 mAh	Li-Po 4385 mAh

Misc
Colors	Magic Blue, Noble Black, Emerald Green, Flowing Gold	Charcoal, Snow, Sea, Coral
Models	V2231, V2246	GWKK3, GHL1X, G0DZQ, G82U8
Price	About 380 EUR	€ 179.90 / $ 150.00 / £ 170.00 / ₹ 25,980

Tests
Battery life	Endurance rating 134h	-
Camera	Photo / Video	-
Display	Contrast ratio: Infinite (nominal)	-
Loudspeaker	-28.2 LUFS (Average)	-
Performance	AnTuTu: 613641 (v9) GeekBench: 2400 (v5.1), 2689 (v6) GFXBench: 34fps (ES 3.1 onscreen)	-

vivo V27

Exceptional battery life (134h endurance)
Ultra-fast 66W charging
Modern 4nm Dimensity 7200 chipset

Camera specifications are largely unknown
Software experience may not appeal to all users

Google Pixel 7a

Google Tensor G2 for AI and image processing
Clean Android experience with timely updates
Strong camera performance through computational photography

Significantly shorter battery life (76h endurance)
Slow 18W charging

Display Comparison

Both the vivo V27 and Pixel 7a feature vibrant displays, achieving peak brightness levels of 1055 nits and 1070 nits respectively. While the Pixel 7a marginally edges out the V27 in peak brightness, the difference is unlikely to be noticeable in most real-world scenarios. Both displays offer an 'infinite' (nominal) contrast ratio, typical of OLED panels. However, the V27’s display technology isn’t specified, while the Pixel 7a’s is standard OLED, lacking features like LTPO for variable refresh rates found in higher-end devices. This means the V27 may offer better power efficiency in static content viewing if it employs a more advanced panel technology.

Camera Comparison

Both phones offer photo and video capabilities, but their approaches differ. The Pixel 7a leverages Google’s renowned computational photography, extracting detail and dynamic range through software. While sensor sizes and apertures aren’t specified, the Pixel 7a’s image processing is a key differentiator. The V27’s camera system details are limited, making a direct comparison difficult. The absence of specific sensor information suggests the V27 may rely more on hardware specifications, but without details, it’s hard to assess its low-light performance or dynamic range capabilities. We can assume both phones will offer acceptable results, but the Pixel 7a likely holds an edge in consistently delivering high-quality images with minimal user effort.

Performance

The chipset choice defines the core performance difference. The vivo V27 utilizes the Mediatek Dimensity 7200 (4nm), featuring an octa-core CPU with 2x2.8 GHz Cortex-A715 cores and 6x Cortex-A510 cores. The Pixel 7a, conversely, is powered by Google’s Tensor G2 (5nm) with a tri-cluster configuration: 2x2.85 GHz Cortex-X1, 2x2.35 GHz Cortex-A78, and 4x1.80 GHz Cortex-A55. The Tensor G2’s 5nm process offers potential thermal advantages, but the Dimensity 7200’s newer architecture and efficient 4nm node provide strong competition. The Pixel 7a’s Tensor G2 excels in AI tasks and image processing, while the Dimensity 7200 focuses on balanced CPU and GPU performance. RAM specifications are not provided, but the Tensor G2 benefits from Google’s software optimizations.

Battery Life

Battery life is where the vivo V27 truly shines. Its endurance rating of 134 hours dwarfs the Pixel 7a’s 76 hours. This translates to significantly longer usage between charges. The V27 also supports 66W wired charging, achieving a 50% charge in just 19 minutes. The Pixel 7a’s 18W wired charging (PD3.0) and 7.5W wireless charging are considerably slower. While the Pixel 7a’s smaller battery capacity contributes to its lower endurance, the charging speed difference is substantial. The V27’s faster charging is a major convenience factor for users who frequently need to top up their battery.

Buying Guide

Buy the vivo V27 if you need all-day battery life and value fast 66W charging, especially if you frequently travel or have limited access to power outlets. Buy the Google Pixel 7a if you prioritize a clean Android experience, exceptional computational photography, and seamless integration with Google services, even if it means more frequent charging.

Frequently Asked Questions

❓ Does the Dimensity 7200 in the vivo V27 throttle under sustained load, like during extended gaming sessions?

The Dimensity 7200’s 4nm process and efficient core design mitigate throttling. While we haven’t conducted specific thermal testing, the 4nm node generally provides better thermal efficiency than the 5nm Tensor G2, suggesting the V27 should maintain performance for longer periods during demanding tasks. However, sustained peak performance will still generate heat.

❓ How does the Pixel 7a’s Tensor G2 handle AI tasks compared to the Dimensity 7200?

The Google Tensor G2 is specifically designed for on-device AI processing. It excels in tasks like voice recognition, image processing, and real-time translation. The Dimensity 7200 also has AI capabilities, but they are not as deeply integrated into the system as with the Tensor G2. If you heavily rely on Google Assistant or AI-powered camera features, the Pixel 7a is the better choice.

❓ Is the 7.5W wireless charging on the Pixel 7a practical for daily use?

7.5W wireless charging is relatively slow compared to wired charging and even some other wireless charging implementations. It's best suited for overnight or occasional top-ups. It's convenient, but don't expect rapid charging speeds wirelessly with the Pixel 7a.