Google Pixel 7a vs. vivo Y78: A Detailed Comparison of Mid-Range Contenders

The Google Pixel 7a and the vivo Y78 represent distinct approaches to the mid-range smartphone market. The Pixel 7a brings Google’s renowned computational photography and the Tensor G2 chip to a more accessible price point, while the vivo Y78 focuses on delivering 5G connectivity and a solid user experience at an even lower cost. This comparison dissects their key differences to determine which device best suits your needs.
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🏆 Quick Verdict

For most users, the Google Pixel 7a is the superior choice. Its Tensor G2 chipset provides significantly better performance, and its camera system is in a different league. However, the vivo Y78 offers compelling value for those prioritizing 5G connectivity and faster charging on a tighter budget.

PHONES
Phone Names vivo Y78 Google Pixel 7a
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 38, 39, 40, 411, 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 bands1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 28, 30, 38, 41, 48, 66, 71, 77, 78 SA/NSA/Sub6 - GWKK3
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / HSPA / LTE / 5GGSM / HSPA / LTE / 5G
 CDMA2000 1x 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
Announced2023, May 292023, May 10
StatusAvailable. Released 2023, June 10Available. Released 2023, May 10
Body
BuildGlass front, plastic frame, plastic backGlass front (Gorilla Glass 3), aluminum frame, plastic back
Dimensions164.3 x 74.8 x 7.9 mm (6.47 x 2.94 x 0.31 in)152 x 72.9 x 9 mm (5.98 x 2.87 x 0.35 in)
SIMNano-SIM + Nano-SIMNano-SIM + eSIM
Weight177 g (6.24 oz)193.5 g (6.84 oz)
 -IP67 dust/water resistant (up to 1m for 30 min)
Display
Protection-Corning Gorilla Glass 3
Resolution1080 x 2400 pixels, 20:9 ratio (~388 ppi density)1080 x 2400 pixels, 20:9 ratio (~429 ppi density)
Size6.78 inches, 111.0 cm2 (~90.3% screen-to-body ratio)6.1 inches, 90.7 cm2 (~81.8% screen-to-body ratio)
TypeAMOLED, 120Hz, 1300 nits (peak)OLED, HDR, 90Hz
 -Always-on display
Platform
CPUOcta-core (2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver)Octa-core (2x2.85 GHz Cortex-X1 & 2x2.35 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
ChipsetQualcomm SM6375 Snapdragon 695 5G (6 nm)Google Tensor G2 (5 nm)
GPUAdreno 619Mali-G710 MP7
OSAndroid 13, Funtouch 13Android 13, upgradable to Android 15, up to 5 major Android upgrades
Memory
Card slotNoNo
Internal256GB 8GB RAM128GB 8GB RAM
 UFS 2.2UFS 3.1
Main Camera
Dual50 MP, f/1.8, (wide), PDAF 2 MP, f/2.4, (depth)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
FeaturesLED flash, HDR, panoramaDual-LED flash, Pixel Shift, Auto-HDR, panorama
Triple64 MP, f/1.8, (wide), PDAF, OIS 2 MP (macro) Auxiliary lens-
Video1080p@30fps4K@30/60fps, 1080p@30/60/120/240fps, OIS
Selfie camera
Features-HDR, panorama
Single16 MP, f/2.5, (wide)13 MP, f/2.2, 20mm (ultrawide), 1.12µm
Video1080p@30fps4K@30fps, 1080p@30fps
Sound
3.5mm jack YesNo
35mm jackYesNo
Loudspeaker YesYes, with stereo speakers
Comms
Bluetooth5.1, A2DP, LE5.3, A2DP, LE
NFCYesYes
PositioningGPS (L1), GLONASS (G1), BDS (B1I+B1c), GALILEO (E1), QZSS (L1)GPS, GLONASS, GALILEO, BDS, QZSS, NavIC
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 3.2
WLANWi-Fi 802.11 a/b/g/n/ac, dual-bandWi-Fi 802.11 a/b/g/n/ac/6e, tri-band
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass, barometer
Battery
Charging44W wired18W wired, PD3.0 7.5W wireless
Type5000 mAhLi-Po 4385 mAh
Misc
ColorsFlare Black, Dreamy GoldCharcoal, Snow, Sea, Coral
Models-GWKK3, GHL1X, G0DZQ, G82U8
PriceAbout 180 EUR€ 179.90 / $ 150.00 / £ 170.00 / ₹ 25,980

vivo Y78

  • Superior camera performance with Google’s image processing
  • Significantly faster and more capable Tensor G2 chipset
  • Brighter and more vibrant display

  • Slower 18W charging
  • Higher price point

Google Pixel 7a

  • Faster 44W wired charging
  • More affordable price
  • Dedicated 5G connectivity

  • Less powerful Snapdragon 695 chipset
  • Inferior camera performance

Display Comparison

The Pixel 7a boasts a significantly brighter display, reaching a measured peak of 1070 nits, compared to an unspecified brightness for the vivo Y78. This translates to better visibility outdoors under direct sunlight. While both likely utilize OLED panels, the Pixel 7a’s higher brightness and Google’s color calibration expertise will deliver a more vibrant and accurate viewing experience. The Y78’s display specs are less defined, suggesting a focus on cost reduction rather than premium visual fidelity.

Camera Comparison

The Pixel 7a’s camera system is its standout feature. While specific sensor details are missing for both, Google’s computational photography prowess, powered by the Tensor G2, elevates image quality significantly. The Pixel 7a excels in low-light photography and dynamic range. The vivo Y78 likely relies more on hardware and less on software processing, resulting in less refined images. The absence of details regarding OIS on the Y78 suggests it may lack the stabilization capabilities of the Pixel 7a, impacting video recording and low-light performance. We can assume the Pixel 7a will offer a more versatile and consistently high-quality camera experience.

Performance

The performance gap between these two devices is substantial. The Google Pixel 7a’s Tensor G2, built on a 5nm process, features a tri-cluster configuration with high-performance Cortex-X1 cores, offering a significant advantage over the vivo Y78’s Snapdragon 695 5G (6nm). The Tensor G2’s architecture is designed for AI and machine learning tasks, enhancing features like voice recognition and image processing. The Snapdragon 695, while capable for everyday tasks, will struggle with demanding games and multitasking compared to the Pixel 7a. The Pixel 7a’s likely use of faster LPDDR5x RAM further contributes to its performance edge.

Battery Life

The Pixel 7a has an endurance rating of 76 hours, indicating strong battery life despite its 18W charging. The vivo Y78 counters with a faster 44W wired charging solution, allowing for quicker top-ups. While the Y78’s battery capacity is unknown, the faster charging speed is a clear advantage for users who prioritize minimizing downtime. The Pixel 7a supports PD3.0 and 7.5W wireless charging, offering additional convenience, but the charging speed is considerably slower than the Y78’s wired charging.

Buying Guide

Buy the vivo Y78 if you need a reliable 5G phone with fast 44W charging and prioritize affordability above all else. It’s ideal for users who primarily browse, use social media, and make occasional calls. Buy the Google Pixel 7a if you value a superior camera experience, smoother performance for demanding apps, and Google’s software features, even if it means sacrificing charging speed and paying a premium.

Frequently Asked Questions

❓ Does the Snapdragon 695 in the vivo Y78 struggle with graphically intensive games like Genshin Impact?
Yes, the Snapdragon 695 is a mid-range chipset and will likely require significant graphics settings reductions to achieve playable frame rates in demanding games like Genshin Impact. Expect noticeable frame drops and potential thermal throttling during extended gaming sessions. The Pixel 7a’s Tensor G2 offers a much smoother gaming experience.
❓ How does Google’s software support compare to vivo’s for the Pixel 7a and Y78 respectively?
Google guarantees at least 3 years of Android OS updates and 5 years of security updates for the Pixel 7a, ensuring long-term software support. vivo’s update policy is typically less extensive, often providing 2 years of OS updates and 3 years of security patches. This means the Pixel 7a will remain secure and feature-rich for a longer period.
❓ Is the 7.5W wireless charging on the Pixel 7a practical for daily use?
While convenient, the 7.5W wireless charging on the Pixel 7a is relatively slow. It’s best suited for overnight charging or occasional top-ups. It won’t provide the rapid charging speeds offered by the vivo Y78’s 44W wired charging.