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

The Google Pixel 7a and Xiaomi Redmi Note 12S 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 Redmi Note 12S focuses on delivering solid specs and a large display at an aggressively competitive price. This comparison dissects their key differences to determine which phone 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 delivers significantly faster performance and superior image processing, justifying the price premium. However, the Redmi Note 12S remains a compelling option for budget-conscious buyers prioritizing a large screen and decent battery life.

PHONES
Phone Names Xiaomi Redmi Note 12S 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, 7, 8, 20, 28, 38, 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 bands-1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 28, 30, 38, 41, 48, 66, 71, 77, 78 SA/NSA/Sub6 - GWKK3
SpeedHSPA, LTEHSPA, LTE, 5G
TechnologyGSM / HSPA / LTEGSM / 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
Announced2023, March 062023, May 10
StatusAvailable. Released 2023, April 26Available. Released 2023, May 10
Body
Build-Glass front (Gorilla Glass 3), aluminum frame, plastic back
Dimensions159.9 x 73.9 x 8.1 mm (6.30 x 2.91 x 0.32 in)152 x 72.9 x 9 mm (5.98 x 2.87 x 0.35 in)
SIMNano-SIM + Nano-SIMNano-SIM + eSIM
Weight176 g (6.21 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 (~409 ppi density)1080 x 2400 pixels, 20:9 ratio (~429 ppi density)
Size6.43 inches, 99.8 cm2 (~84.5% screen-to-body ratio)6.1 inches, 90.7 cm2 (~81.8% screen-to-body ratio)
TypeAMOLED, 90Hz, 700 nits (HBM), 1000 nits (peak)OLED, HDR, 90Hz
 -Always-on display
Platform
CPUOcta-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)Octa-core (2x2.85 GHz Cortex-X1 & 2x2.35 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
ChipsetMediatek MT6781 Helio G96 (12 nm)Google Tensor G2 (5 nm)
GPUMali-G57 MC2Mali-G710 MP7
OSAndroid 13, MIUI 14Android 13, upgradable to Android 15, up to 5 major Android upgrades
Memory
Card slotmicroSDXC (dedicated slot)No
Internal64GB 6GB RAM, 128GB 6GB RAM, 256GB 8GB RAM128GB 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
FeaturesLED flash, HDR, panoramaDual-LED flash, Pixel Shift, Auto-HDR, panorama
Triple108 MP, f/1.9, (wide), 1/1.52", 0.7µm, PDAF 8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro)-
Video1080p@30fps4K@30/60fps, 1080p@30/60/120/240fps, OIS
Selfie camera
Features-HDR, panorama
Single16 MP, f/2.4, (wide)13 MP, f/2.2, 20mm (ultrawide), 1.12µm
Video1080p@30fps4K@30fps, 1080p@30fps
Sound
3.5mm jack YesNo
35mm jackYesNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.2, A2DP, LE5.3, A2DP, LE
Infrared portYes-
NFCYes (market/region dependent)Yes
PositioningGPS (L1), GLONASS (G1), GALILEO (E1), BDS (B1)GPS, GLONASS, GALILEO, BDS, QZSS, NavIC
RadioStereo FM radio, recordingNo
USBUSB Type-C 2.0USB 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 wired18W wired, PD3.0 7.5W wireless
TypeLi-Po 5000 mAhLi-Po 4385 mAh
Misc
ColorsOnyx Black, Ice Blue, Pearl GreenCharcoal, Snow, Sea, Coral
Models2303CRA44A, 23030RAC7Y, 2303ERA42LGWKK3, GHL1X, G0DZQ, G82U8
Price€ 122.47 / $ 149.99 / £ 229.89€ 179.90 / $ 150.00 / £ 170.00 / ₹ 25,980

Xiaomi Redmi Note 12S

  • Superior camera performance with Google's AI processing
  • Faster and more efficient Tensor G2 chipset
  • Brighter and more vibrant display

  • Slower charging speed (18W)
  • Higher price point

Google Pixel 7a

  • Faster 33W wired charging
  • More affordable price
  • Likely larger display size

  • Significantly slower processor
  • Inferior camera quality

Display Comparison

The Pixel 7a boasts a significantly brighter display, reaching a measured 1070 nits, compared to an assumed lower peak brightness on the Redmi Note 12S (typical of its price bracket). While the Redmi Note 12S likely has a larger screen size, the Pixel 7a’s superior brightness enhances outdoor visibility. The Pixel 7a’s OLED panel also offers better contrast and color accuracy, crucial for photo and video editing. We expect the Redmi Note 12S to utilize an LCD panel, which, while cost-effective, lacks the vibrancy of OLED.

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’s image signal processor (ISP), elevates image quality significantly. The Pixel 7a excels in dynamic range, low-light performance, and overall image clarity. The Redmi Note 12S, while capable, will likely rely more on hardware and less on software processing, resulting in less refined images. The Pixel 7a’s video capabilities are also expected to be superior, offering better stabilization and dynamic range. We can assume the Redmi Note 12S includes standard features like portrait mode, but it won't match the Pixel's AI-powered features.

Performance

The performance gap between these devices is substantial. The Google Pixel 7a’s Tensor G2 (5nm) chipset, with its Cortex-X1 and A78 cores clocked at 2.85GHz and 2.35GHz respectively, offers a significant leap in CPU and GPU performance over the Redmi Note 12S’s MediaTek Helio G96 (12nm). The G96’s Cortex-A76 and A55 cores, clocked at 2.05GHz and 2.0GHz, are geared towards efficiency rather than outright speed. The 5nm fabrication process of the Tensor G2 also translates to better thermal efficiency, minimizing throttling during sustained workloads like gaming. The Pixel 7a will handle demanding tasks and multitasking with ease, while the Redmi Note 12S may struggle with more intensive applications.

Battery Life

The Pixel 7a has an endurance rating of 76 hours, indicating good battery life despite its 18W charging. The Redmi Note 12S, with its 33W wired charging, offers faster charging speeds, potentially reaching 100% in under an hour. However, the Pixel 7a’s more efficient Tensor G2 chipset and optimized software may offset the charging speed difference in real-world usage. The Redmi Note 12S’s larger battery capacity (assumed, based on market segment) will provide longer screen-on time, but the Pixel 7a’s overall efficiency and software optimizations contribute to a competitive battery experience.

Buying Guide

Buy the Xiaomi Redmi Note 12S if you need a large display for media consumption, prioritize battery life over raw performance, and are on a strict budget. Buy the Google Pixel 7a if you value a best-in-class camera experience, smooth performance for demanding apps, and benefit from Google’s software features and long-term support.

Frequently Asked Questions

❓ Does the MediaTek Helio G96 in the Redmi Note 12S struggle with graphically intensive games like Genshin Impact?
Yes, the Helio G96 is a mid-range chipset and will likely require significant graphics settings reductions to achieve playable frame rates in demanding titles like Genshin Impact. Expect noticeable frame drops and potential overheating during extended gaming sessions. The Pixel 7a’s Tensor G2 will provide a much smoother and more consistent gaming experience.
❓ How does Google's software support compare between the Pixel 7a and the Redmi Note 12S?
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 and security. Xiaomi’s update policy for the Redmi Note 12S is typically shorter, with fewer guaranteed updates, potentially leaving the device vulnerable to security threats over time.
❓ Is the 18W charging on the Pixel 7a a significant drawback compared to the Redmi Note 12S's 33W charging?
While 33W is faster on paper, the Pixel 7a’s Tensor G2 chipset is more power-efficient. This means the Pixel 7a may not require as frequent charging, mitigating the slower charging speed. Furthermore, the Pixel 7a supports PD3.0, offering wider compatibility with chargers.