Oppo A77s vs Xiaomi Redmi Note 12: A Detailed Showdown

The budget smartphone market is fiercely competitive, and the Oppo A77s and Xiaomi Redmi Note 12 are two strong contenders. Both offer compelling features at accessible prices, but which one reigns supreme? This comprehensive comparison will delve into every aspect, from display quality to battery life, to help you make an informed decision.
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🏆 Quick Verdict

The Xiaomi Redmi Note 12 edges out the Oppo A77s thanks to its superior battery life, brighter display, and faster charging (to 50%). While the A77s has a slightly more powerful chipset, the Redmi Note 12's overall package provides better value and a smoother user experience.

PHONES
Phone Names Oppo A77s Xiaomi Redmi Note 12
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 2100
4G bands1, 3, 5, 7, 8, 28, 38, 40, 411, 3, 5, 8, 40, 41
5G bands-1, 3, 5, 8, 28, 40, 78 SA/NSA
SpeedHSPA, LTEHSPA, LTE, 5G
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE / 5G
Launch
Announced2022, October 052022, October 27
StatusAvailable. Released 2022, October 07Available. Released 2023, January 11
Body
BuildGlass front, plastic frame, plastic back or eco leather back-
Dimensions163.8 x 75 x 8 mm (6.45 x 2.95 x 0.31 in)165.9 x 76.2 x 8 mm (6.53 x 3.00 x 0.31 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight187 g / 190 g (6.60 oz)188 g (6.63 oz)
 IP54, dust and water resistantIP53, dust and splash resistant
Display
Protection-Corning Gorilla Glass 3
Resolution720 x 1612 pixels, 20:9 ratio (~269 ppi density)1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Size6.56 inches, 103.4 cm2 (~84.2% screen-to-body ratio)6.67 inches, 107.4 cm2 (~85.0% screen-to-body ratio)
TypeIPS LCD, 90Hz, 480 nits (typ), 600 nits (HBM)AMOLED, 120Hz, 1200 nits (peak)
Platform
CPUOcta-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver)Octa-core (2x2.0 GHz Cortex-A78 & 6x1.8 GHz Cortex-A55)
ChipsetQualcomm SM6225 Snapdragon 680 4G (6 nm)Qualcomm SM4375 Snapdragon 4 Gen 1 (6 nm)
GPUAdreno 610Adreno 619
OSAndroid 12, upgradable to Android 14, ColorOS 14Android 12, MIUI 14 (International), MIUI 13 (India)
Memory
Card slotmicroSDXCmicroSDXC (uses shared SIM slot)
Internal128GB 8GB RAM128GB 4GB RAM, 128GB 6GB RAM, 256GB 8GB RAM
 UFS 2.2UFS 2.2
Main Camera
Dual50 MP, f/1.8, 27mm (wide), PDAF Auxiliary lens-
FeaturesLED flash, HDR, panoramaDual-LED dual-tone flash, HDR, panorama
Single8 MP, f/2.0, 26mm (wide)-
Triple-48 MP, f/1.8, (wide), PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro)
Video1080p@30fps1080p@30fps
Selfie camera
FeaturesPanoramaHDR
Single8 MP, f/2.0, 26mm (wide)13 MP, f/2.5, (wide), 1/3.0"
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker Yes, with stereo speakersYes
 -24-bit/192kHz audio
Comms
Bluetooth5.0, A2DP, LE, aptX HD5.1, A2DP, LE
Infrared port-Yes
NFCYesYes (market/region dependent)
PositioningGPS, GLONASS, BDS, GALILEO, QZSSGPS, GLONASS
RadioFM radioUnspecified
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band
Features
SensorsFingerprint (side-mounted), accelerometer, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Charging33W wired, 100% in 69 min33W wired, 50% in 22 min
TypeLi-Po 5000 mAhLi-Po 5000 mAh
Misc
ColorsSunset Orange, Starry BlackFrosted Green, Matte Black, Mystique Blue
ModelsCPH247322111317I, 22111317G
PriceAbout 220 EUR€ 151.99 / $ 219.99 / ₹ 11,999
SAR-1.09 W/kg (head)     1.05 W/kg (body)
SAR EU-0.68 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)

Oppo A77s

  • Slightly more powerful chipset
  • Decent performance for the price
  • 33W fast charging

  • Slower charging speed
  • Likely less bright display
  • Camera performance may be average

Xiaomi Redmi Note 12

  • Exceptional battery life
  • Brighter display
  • Faster charging (to 50%)
  • Excellent value

  • Slightly less powerful chipset
  • Camera performance may be average

Display Comparison

The Redmi Note 12 boasts a significantly brighter display (706 nits vs. A77s's likely around 400-500 nits, based on typical Oppo displays) making it easier to view outdoors. The 'infinite' contrast ratio mentioned for the Redmi Note 12 suggests excellent image quality, though this is a nominal value. Both phones likely use AMOLED panels, offering vibrant colors and deep blacks.

Camera Comparison

Camera performance is likely comparable between the two, with both offering decent image quality in good lighting conditions. Low-light performance will likely be a weak point for both devices. Specific camera specs (megapixels, aperture) are needed for a more precise comparison, but both are expected to offer standard features like portrait mode and HDR.

Performance

The Oppo A77s's Snapdragon 680 generally offers slightly better raw performance than the Redmi Note 12's Snapdragon 4 Gen 1. However, real-world performance differences may be minimal for everyday tasks. The A77s's 6nm process is also slightly more efficient.

Battery Life

The Redmi Note 12 shines in this category. Its endurance rating of 101h is exceptional, and it charges to 50% significantly faster (22 minutes vs. 69 minutes for the A77s). The A77s's 33W charging is still respectable, but the Redmi Note 12's speed advantage is noticeable.

Buying Guide

Who should buy the Oppo A77s? Users prioritizing a slightly more powerful processor for gaming or demanding apps might lean towards the A77s. Who should buy the Xiaomi Redmi Note 12? Those seeking exceptional battery life, a vibrant display, and quick charging will find the Redmi Note 12 a more appealing choice.

Frequently Asked Questions

❓ Which phone is better for gaming?
The Oppo A77s has a slightly more powerful chipset, making it potentially better for demanding games. However, both phones are primarily budget devices and may struggle with high graphics settings.
❓ How long does the Redmi Note 12's battery last?
The Redmi Note 12 boasts an impressive endurance rating of 101 hours, suggesting it can easily last for 2-3 days with moderate use.