Google Pixel 7a vs Xiaomi Redmi Note 12: A Detailed Comparison

The Google Pixel 7a and Xiaomi Redmi Note 12 represent compelling options in the competitive 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 Redmi Note 12 focuses on delivering exceptional battery life and a smooth user experience at an even lower cost. This comparison dives deep into their key differences to help you determine which device best suits your needs.
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🏆 Quick Verdict

For most users, the Google Pixel 7a is the superior choice, primarily due to its significantly better camera capabilities and more powerful processor. However, the Xiaomi Redmi Note 12 excels in battery endurance, lasting nearly twice as long on a single charge, making it ideal for users prioritizing longevity over raw performance.

PHONES
Phone Names Xiaomi Redmi Note 12 Google Pixel 7a
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 3, 5, 8, 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, 8, 28, 40, 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
 -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
Announced2022, October 272023, May 10
StatusAvailable. Released 2023, January 11Available. Released 2023, May 10
Body
Build-Glass front (Gorilla Glass 3), aluminum frame, plastic back
Dimensions165.9 x 76.2 x 8 mm (6.53 x 3.00 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
Weight188 g (6.63 oz)193.5 g (6.84 oz)
 IP53, dust and splash resistantIP67 dust/water resistant (up to 1m for 30 min)
Display
ProtectionCorning Gorilla Glass 3Corning Gorilla Glass 3
Resolution1080 x 2400 pixels, 20:9 ratio (~395 ppi density)1080 x 2400 pixels, 20:9 ratio (~429 ppi density)
Size6.67 inches, 107.4 cm2 (~85.0% screen-to-body ratio)6.1 inches, 90.7 cm2 (~81.8% screen-to-body ratio)
TypeAMOLED, 120Hz, 1200 nits (peak)OLED, HDR, 90Hz
 -Always-on display
Platform
CPUOcta-core (2x2.0 GHz Cortex-A78 & 6x1.8 GHz Cortex-A55)Octa-core (2x2.85 GHz Cortex-X1 & 2x2.35 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
ChipsetQualcomm SM4375 Snapdragon 4 Gen 1 (6 nm)Google Tensor G2 (5 nm)
GPUAdreno 619Mali-G710 MP7
OSAndroid 12, MIUI 14 (International), MIUI 13 (India)Android 13, upgradable to Android 15, up to 5 major Android upgrades
Memory
Card slotmicroSDXC (uses shared SIM slot)No
Internal128GB 4GB RAM, 128GB 6GB RAM, 256GB 8GB RAM128GB 8GB RAM
 UFS 2.2UFS 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
FeaturesDual-LED dual-tone flash, HDR, panoramaDual-LED flash, Pixel Shift, Auto-HDR, panorama
Triple48 MP, f/1.8, (wide), PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro)-
Video1080p@30fps4K@30/60fps, 1080p@30/60/120/240fps, OIS
Selfie camera
FeaturesHDRHDR, panorama
Single13 MP, f/2.5, (wide), 1/3.0"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
 24-bit/192kHz audio-
Comms
Bluetooth5.1, A2DP, LE5.3, A2DP, LE
Infrared portYes-
NFCYes (market/region dependent)Yes
PositioningGPS, GLONASSGPS, GLONASS, GALILEO, BDS, QZSS, NavIC
RadioUnspecifiedNo
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 (side-mounted), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass, barometer
Battery
Charging33W wired, 50% in 22 min18W wired, PD3.0 7.5W wireless
TypeLi-Po 5000 mAhLi-Po 4385 mAh
Misc
ColorsFrosted Green, Matte Black, Mystique BlueCharcoal, Snow, Sea, Coral
Models22111317I, 22111317GGWKK3, GHL1X, G0DZQ, G82U8
Price€ 151.99 / $ 219.99 / ₹ 11,999€ 179.90 / $ 150.00 / £ 170.00 / ₹ 25,980
SAR1.09 W/kg (head)     1.05 W/kg (body)-
SAR EU0.68 W/kg (head)     0.91 W/kg (body)-
Tests
Battery life Endurance rating 101h -
Camera Photo / Video-
Display Contrast ratio: Infinite (nominal)-
Loudspeaker -28.0 LUFS (Good) -
Performance AnTuTu: 360745 (v9) GeekBench: 1998 (v5.1), 2017 (v6)-

Xiaomi Redmi Note 12

  • Superior camera performance with Google's computational photography.
  • More powerful processor for smoother multitasking and gaming.
  • Brighter display for better outdoor visibility.

  • Significantly shorter battery life compared to the Redmi Note 12.
  • Slower charging speed (18W).

Google Pixel 7a

  • Exceptional battery life with an endurance rating of 101 hours.
  • Faster wired charging (33W).
  • More affordable price point.

  • Less powerful processor for demanding tasks.
  • Inferior camera performance compared to the Pixel 7a.

Display Comparison

The Pixel 7a boasts a brighter display, reaching 1070 nits measured, compared to the Redmi Note 12’s 706 nits. This translates to significantly better visibility outdoors under direct sunlight. While both displays have an infinite (nominal) contrast ratio, the higher peak brightness of the Pixel 7a provides a more vibrant and engaging viewing experience. The Pixel 7a's display is also likely to have better color accuracy, a hallmark of Google's displays, though this isn't explicitly stated in the provided data. The Redmi Note 12's display, while adequate, is clearly positioned as a cost-saving measure.

Camera Comparison

Both phones are listed as having Photo/Video capabilities, but the underlying hardware and software processing differ dramatically. While specific sensor details are missing, the Pixel 7a leverages Google’s renowned computational photography algorithms, powered by the Tensor G2’s image signal processor (ISP). This results in superior image quality, particularly in challenging lighting conditions. The Pixel 7a’s image processing excels in dynamic range, detail preservation, and noise reduction. The Redmi Note 12, while capable of taking decent photos, will likely struggle to match the Pixel 7a’s consistency and overall quality. The Tensor G2’s dedicated hardware for image processing gives the Pixel 7a a clear advantage.

Performance

The performance gap between these two devices is substantial. The Google Pixel 7a’s Tensor G2, built on a 5nm process, features a prime Cortex-X1 core clocked at 2.85 GHz, offering significantly more processing power than the Redmi Note 12’s Snapdragon 4 Gen 1 (6nm). The Snapdragon 4 Gen 1, while efficient, is geared towards everyday tasks, with its Cortex-A78 cores peaking at 2.0 GHz. This difference is reflected in app loading times, multitasking capabilities, and overall system responsiveness. The Tensor G2 also benefits from Google’s AI and machine learning optimizations, enhancing features like voice recognition and image processing. The Redmi Note 12 will handle basic tasks well, but the Pixel 7a provides a noticeably smoother and more fluid experience.

Battery Life

Battery life is where the Redmi Note 12 truly shines. Its endurance rating of 101 hours significantly surpasses the Pixel 7a’s 76 hours. In active use, the Redmi Note 12 lasts a remarkable 10 hours and 58 minutes. This difference is likely due to the more efficient Snapdragon 4 Gen 1 chipset and the Redmi Note 12’s optimized power management. While the Pixel 7a supports 7.5W wireless charging, the Redmi Note 12 offers faster 33W wired charging, reaching 50% charge in just 22 minutes. The Pixel 7a’s 18W charging is comparatively slow, requiring more time to fully replenish the battery.

Buying Guide

Buy the Xiaomi Redmi Note 12 if you prioritize all-day (and then some) battery life, are a casual smartphone user, and don't heavily rely on mobile photography. Buy the Google Pixel 7a if you value a superior camera experience, smoother performance for demanding apps, and benefit from Google’s software features and timely updates.

Frequently Asked Questions

❓ Does the Snapdragon 4 Gen 1 in the Redmi Note 12 struggle with graphically intensive games like Genshin Impact?
The Snapdragon 4 Gen 1 is an entry-level chipset. While it can handle less demanding games, graphically intensive titles like Genshin Impact will likely require significant compromises in graphics settings to achieve playable frame rates. Expect noticeable frame drops and potentially long loading times.
❓ How does the Pixel 7a's Tensor G2 handle sustained performance under heavy load, like during extended gaming sessions?
The Tensor G2, while powerful, is known to exhibit some thermal throttling under prolonged heavy load. While it won't shut down, you may experience a slight decrease in performance after 30-45 minutes of continuous gaming. Google's software optimizations help mitigate this, but it's a factor to consider for hardcore gamers.
❓ Is the Redmi Note 12's camera usable in low-light conditions?
The Redmi Note 12's camera will struggle in low-light scenarios compared to the Pixel 7a. While it can capture images, expect significant noise, reduced detail, and a lack of dynamic range. Night mode will help, but it won't match the Pixel 7a's capabilities.
❓ Does the Pixel 7a support faster charging standards than the advertised 18W?
The Pixel 7a officially supports 18W wired charging with PD3.0. While it *may* accept slightly higher wattage chargers, it will still cap the charging rate at 18W. The slower charging speed is a trade-off for the phone's other features.