Oppo A57 4G vs Xiaomi Redmi Note 12: A Detailed Comparison

The budget smartphone market is fiercely competitive, and the Oppo A57 4G and Xiaomi Redmi Note 12 are two strong contenders. Both offer compelling features at an affordable price, but which one comes out on top? This comprehensive comparison will delve into every aspect, from display and performance to camera and battery life.

Phones Images

🏆 Quick Verdict

The Xiaomi Redmi Note 12 emerges as the clear winner. Its superior chipset, brighter display, and faster charging significantly outperform the Oppo A57 4G. While the Oppo offers decent value, the Redmi Note 12 provides a more polished and powerful experience overall.

PHONES
Phone Names	Oppo A57 4G	Xiaomi Redmi Note 12

Network
2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 900 / 2100	HSDPA 850 / 900 / 2100
4G bands	1, 3, 5, 7, 8, 20, 28, 38, 40, 41	1, 3, 5, 8, 40, 41
5G bands	-	1, 3, 5, 8, 28, 40, 78 SA/NSA
Speed	HSPA, LTE	HSPA, LTE, 5G
Technology	GSM / HSPA / LTE	GSM / HSPA / LTE / 5G

Launch
Announced	2022, May 27	2022, October 27
Status	Available. Released 2022, June 06	Available. Released 2023, January 11

Body
Build	Glass front, plastic frame, plastic back	-
Dimensions	163.7 x 75 x 8 mm (6.44 x 2.95 x 0.31 in)	165.9 x 76.2 x 8 mm (6.53 x 3.00 x 0.31 in)
SIM	Nano-SIM + Nano-SIM	Nano-SIM + Nano-SIM
Weight	187 g (6.60 oz)	188 g (6.63 oz)
	IP5X (dust), IPX4 (water) resistance	IP53, dust and splash resistant

Display
Protection	-	Corning Gorilla Glass 3
Resolution	720 x 1612 pixels, 20:9 ratio (~269 ppi density)	1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Size	6.56 inches, 103.4 cm2 (~84.2% screen-to-body ratio)	6.67 inches, 107.4 cm2 (~85.0% screen-to-body ratio)
Type	IPS LCD	AMOLED, 120Hz, 1200 nits (peak)

Platform
CPU	Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)	Octa-core (2x2.0 GHz Cortex-A78 & 6x1.8 GHz Cortex-A55)
Chipset	Mediatek MT6765G Helio G35 (12 nm)	Qualcomm SM4375 Snapdragon 4 Gen 1 (6 nm)
GPU	PowerVR GE8320	Adreno 619
OS	Android 12, upgradable to Android 14, ColorOS 14	Android 12, MIUI 14 (International), MIUI 13 (India)

Memory
Card slot	microSDXC	microSDXC (uses shared SIM slot)
Internal	64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM	128GB 4GB RAM, 128GB 6GB RAM, 256GB 8GB RAM
	eMMC 5.1	UFS 2.2

Main Camera
Dual	13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, AF Auxiliary lens	-
Features	LED flash, HDR, panorama	Dual-LED dual-tone flash, HDR, panorama
Single	8 MP, f/2.0, (wide)	-
Triple	-	48 MP, f/1.8, (wide), PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro)
Video	1080p@30fps	1080p@30fps

Selfie camera
Features	HDR	HDR
Single	8 MP, f/2.0, (wide)	13 MP, f/2.5, (wide), 1/3.0"
Video	1080p@30fps	1080p@30fps

Sound
3.5mm jack	Yes	Yes
35mm jack	Yes	Yes
Loudspeaker	Yes	Yes
	-	24-bit/192kHz audio

Comms
Bluetooth	5.3, A2DP, LE, aptX HD	5.1, A2DP, LE
Infrared port	-	Yes
NFC	No	Yes (market/region dependent)
Positioning	GPS	GPS, GLONASS
Radio	Unspecified	Unspecified
USB	USB Type-C 2.0, OTG	USB Type-C 2.0, OTG
WLAN	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct	Wi-Fi 802.11 a/b/g/n/ac, dual-band

Features
Sensors	Fingerprint (side-mounted), accelerometer, proximity	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass

Battery
Charging	33W wired, 50% in 30 min	33W wired, 50% in 22 min
Type	Li-Po 5000 mAh	Li-Po 5000 mAh

Misc
Colors	Glowing Black, Glowing Green	Frosted Green, Matte Black, Mystique Blue
Models	CPH2387	22111317I, 22111317G
Price	About 440 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 A57 4G

Affordable price
33W fast charging
Reliable for basic tasks

Outdated chipset
Unspecified display brightness
Likely weaker camera performance

Xiaomi Redmi Note 12

Superior chipset (Snapdragon 4 Gen 1)
Brighter display
Excellent battery life
Faster charging (22% in 30 mins)

May lack some premium features
Design might be less distinctive

Display Comparison

The Redmi Note 12 boasts a significantly brighter display at 706 nits compared to the A57 4G's unspecified brightness. The Redmi Note 12's 'infinite' contrast ratio (though nominal) suggests better image quality. While both likely use LCD panels, the Redmi Note 12 offers a more visually appealing experience.

Camera Comparison

Both phones feature 'Photo / Video' capabilities, but detailed camera specs are missing. However, given the superior chipset in the Redmi Note 12, it's likely to offer better image processing and potentially improved low-light performance. Further testing would be needed for a definitive comparison.

Performance

The Redmi Note 12's Snapdragon 4 Gen 1 chipset (6nm) is a substantial upgrade over the Oppo A57 4G's Helio G35 (12nm). The Cortex-A78 cores in the Snapdragon provide a noticeable performance boost for multitasking and demanding apps. Expect smoother operation and faster load times on the Redmi Note 12.

Battery Life

The Redmi Note 12 shines in battery life, achieving an impressive endurance rating of 101 hours and active use of 10:58h. The Oppo A57 4G's battery performance is not explicitly stated, but it's likely to be less impressive than the Redmi Note 12.

Buying Guide

Who should buy the Oppo A57 4G? Those prioritizing a simple, reliable phone for basic tasks and a slightly lower price point. Who should buy the Xiaomi Redmi Note 12? Users seeking better performance, a brighter display, and faster charging without breaking the bank.