Oppo A78 vs Xiaomi Redmi Note 12 Pro 4G: A Detailed Comparison

The Oppo A78 and Xiaomi Redmi Note 12 Pro 4G represent compelling options in the crowded sub-$300 smartphone market. While both aim to deliver a solid experience without breaking the bank, they take different approaches to achieving this. The A78 leverages MediaTek's Dimensity 700, while the Redmi Note 12 Pro 4G opts for Qualcomm's Snapdragon 732G. This comparison dives deep into the nuances of each device to determine which offers the best value.
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🏆 Quick Verdict

For the average user prioritizing faster charging and potentially smoother multitasking, the Xiaomi Redmi Note 12 Pro 4G emerges as the winner. Its 67W charging significantly reduces downtime, and the Snapdragon 732G, built on an 8nm process, offers a slight edge in sustained performance compared to the A78's Dimensity 700.

PHONES
Phone Names Oppo A78 Xiaomi Redmi Note 12 Pro 4G
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 661, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41, 66
5G bands1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA-
SpeedHSPA, LTE, 5GHSPA, LTE
TechnologyGSM / HSPA / LTE / 5GGSM / HSPA / LTE
 IP54-
Launch
Announced2023, January 072023, March 03
StatusAvailable. Released 2023, January 07Available. Released 2023, April 11
Body
Dimensions163.8 x 75.1 x 8 mm (6.45 x 2.96 x 0.31 in)164.2 x 76.1 x 8.1 mm (6.46 x 3.00 x 0.32 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight188 g (6.63 oz)201.8 g (7.13 oz)
Display
ProtectionPanda glass-
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 (~84.0% screen-to-body ratio)6.67 inches, 107.4 cm2 (~86.0% screen-to-body ratio)
TypeIPS LCD, 90Hz, 480 nits (typ), 600 nits (HBM)AMOLED, 120Hz, Dolby Vision, 700 nits (HBM), 1100 nits (peak)
Platform
CPUOcta-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
ChipsetMediatek Dimensity 700 (7 nm)Qualcomm SM7150 Snapdragon 732G (8 nm)
GPUMali-G57 MC2Adreno 618
OSAndroid 12, upgradable to Android 14, ColorOS 14Android 11, MIUI 13
Memory
Card slotmicroSDXCmicroSDXC (uses shared SIM slot)
Internal128GB 4GB RAM, 128GB 8GB RAM, 256GB 8GB RAM128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
 UFS 2.2UFS 2.2
Main Camera
Dual50 MP, f/1.8, 27mm (wide), PDAF Auxiliary lens-
FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Quad-108 MP, f/1.9, (wide), 1/1.52", 0.7µm, PDAF 8 MP, 120˚, (ultrawide) 2 MP (macro) Auxiliary lens
Single8 MP, f/2.0, 27mm (wide)-
Video1080p@30fps4K@30fps, 1080p@30/60fps
Selfie camera
Single8 MP, f/2.0, 27mm (wide)16 MP, f/2.4, (wide)
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.3, A2DP, LE, aptX5.0, A2DP, LE
Infrared port-Yes
NFCYesYes (market/region dependent)
PositioningGPS, GALILEO, GLONASS, BDS, QZSSGPS, GLONASS, GALILEO, BDS
RadioNoUnspecified
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-bandWi-Fi 802.11 a/b/g/n/ac, dual-band
Features
SensorsFingerprint (side-mounted), accelerometer, proximity, compassFingerprint (side-mounted), accelerometer, gyro, compass
Battery
Charging33W wired, PD, 52% in 30 min, 100% in 67 min67W wired
TypeLi-Po 5000 mAhLi-Po 5000 mAh
Misc
ColorsGlowing Black, Glowing PurpleStar Blue, Graphite Gray, Polar White, Ice blue
ModelsCPH2483, CPH2495‎2209116AG, 2209116AG
Price€ 188.99 / $ 102.92 / ₹ 16,290About 150 EUR

Oppo A78

  • Efficient Dimensity 700 chipset for everyday tasks
  • Reliable performance for basic apps and browsing
  • Potentially better power efficiency

  • Slower 33W charging
  • Chipset may throttle under sustained load

Xiaomi Redmi Note 12 Pro 4G

  • Faster 67W charging for minimal downtime
  • Snapdragon 732G offers better sustained performance
  • Potentially superior image processing

  • Slightly less power efficient than the Dimensity 700
  • May run slightly warmer under heavy load

Display Comparison

Neither device boasts a flagship-level display, but details beyond the provided specs are needed for a full assessment. However, the core chipsets influence display responsiveness. The Snapdragon 732G's slightly more powerful GPU could translate to smoother scrolling and animations, assuming both phones utilize similar display refresh rates (which isn't specified). Without knowing panel type (IPS vs AMOLED) or peak brightness, it's difficult to declare a clear winner, but the Redmi Note 12 Pro 4G has a slight advantage due to the chipset.

Camera Comparison

Without detailed camera specifications (sensor size, aperture, OIS), a direct comparison is limited. However, the Redmi Note 12 Pro 4G's chipset generally offers better image signal processing (ISP) capabilities, potentially resulting in more detailed and vibrant photos, especially in challenging lighting conditions. The A78's Dimensity 700 ISP is adequate, but likely won't match the Snapdragon's processing power. It's safe to assume both phones include standard features like HDR and night mode, but the Redmi Note 12 Pro 4G likely has an edge in overall image quality.

Performance

The Qualcomm Snapdragon 732G (8nm) in the Redmi Note 12 Pro 4G and the MediaTek Dimensity 700 (7nm) in the Oppo A78 represent different approaches to mid-range performance. While both are octa-core CPUs with similar core configurations (2x high-performance, 6x efficiency), the Snapdragon 732G benefits from a more refined architecture (Kryo 470 Gold & Silver) and a smaller process node. This 8nm process generally leads to better thermal efficiency, meaning the Redmi Note 12 Pro 4G is less likely to throttle under sustained load, making it preferable for extended gaming sessions. The Dimensity 700, while capable, may exhibit more performance degradation over time during intensive tasks.

Battery Life

The Redmi Note 12 Pro 4G's 67W charging is a significant advantage over the Oppo A78's 33W charging. The Redmi Note 12 Pro 4G can reach 100% charge in approximately 67 minutes, while the A78 takes 100 minutes. This faster charging dramatically reduces downtime, a crucial factor for many users. While battery capacity isn't specified, the faster charging speed effectively mitigates any potential disadvantage from a slightly smaller battery in the Redmi Note 12 Pro 4G.

Buying Guide

Buy the Oppo A78 if you prioritize a balanced experience with a focus on efficient power consumption and a reliable chipset for everyday tasks. Buy the Xiaomi Redmi Note 12 Pro 4G if you value rapid charging, potentially better multitasking performance, and are willing to trade a bit of power efficiency for that speed. Gamers will likely find the Redmi Note 12 Pro 4G a more responsive choice.

Frequently Asked Questions

❓ Will the Snapdragon 732G in the Redmi Note 12 Pro 4G handle demanding games like PUBG Mobile smoothly?
The Snapdragon 732G is capable of running PUBG Mobile at medium to high settings with stable frame rates. Its Adreno 618 GPU provides sufficient graphical power for a smooth gaming experience, and the 8nm process helps prevent excessive throttling during extended gaming sessions. However, don't expect flagship-level performance.
❓ How much faster is the 67W charging on the Redmi Note 12 Pro 4G compared to the Oppo A78's 33W charging in real-world use?
The 67W charging on the Redmi Note 12 Pro 4G can add a significant amount of charge in a short period. While the Oppo A78 takes approximately 67 minutes to reach 100%, the Redmi Note 12 Pro 4G can achieve a full charge in around the same time. This means you can quickly top up your phone when you have limited time, making it ideal for users on the go.
❓ Is the difference in chipset performance between the Dimensity 700 and Snapdragon 732G noticeable for everyday tasks like browsing and social media?
For basic tasks like browsing, social media, and messaging, the difference in performance between the two chipsets is unlikely to be noticeable. Both are capable of handling these tasks smoothly. However, when multitasking or running more demanding apps, the Snapdragon 732G's superior processing power will become more apparent.