Oppo A55s vs Oppo A57 4G: A Head-to-Head Budget Battle

The Oppo A series consistently delivers affordable smartphones packed with features. Two contenders vying for your attention are the Oppo A55s and the Oppo A57 4G. But which one offers the best value for your money? Let's dive into a comprehensive comparison to help you make the right choice.
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🏆 Quick Verdict

The Oppo A57 4G emerges as the clear winner thanks to its significantly faster charging (33W vs 10W), a more efficient chipset, and generally improved performance. While the A55s has a slightly more powerful CPU core, the A57 4G's overall package is more compelling.

PHONES
Phone Names Oppo A55s Oppo A57 4G
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 2100
4G bands1, 3, 5, 8, 34, 38, 39, 40, 411, 3, 5, 7, 8, 20, 28, 38, 40, 41
5G bands1, 28, 41, 77, 78-
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / CDMA / HSPA / LTE / 5GGSM / HSPA / LTE
 CDMA 800 -
Launch
Announced2022, April 182022, May 27
StatusAvailable. Released 2022, April 18Available. Released 2022, June 06
Body
Build-Glass front, plastic frame, plastic back
Dimensions163.9 x 75.7 x 8.4 mm (6.45 x 2.98 x 0.33 in)163.7 x 75 x 8 mm (6.44 x 2.95 x 0.31 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight186 g (6.56 oz)187 g (6.60 oz)
 -IP5X (dust), IPX4 (water) resistance
Display
Resolution720 x 1600 pixels, 20:9 ratio (~270 ppi density)720 x 1612 pixels, 20:9 ratio (~269 ppi density)
Size6.5 inches, 102.0 cm2 (~82.2% screen-to-body ratio)6.56 inches, 103.4 cm2 (~84.2% screen-to-body ratio)
TypeIPS LCD, 480 nits (peak)IPS LCD
Platform
CPUOcta-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
ChipsetMediatek Dimensity 700 (7 nm)Mediatek MT6765G Helio G35 (12 nm)
GPUMali-G57 MC2PowerVR GE8320
OSAndroid 11, ColorOS 11.1Android 12, upgradable to Android 14, ColorOS 14
Memory
Card slotmicroSDXCmicroSDXC
Internal128GB 6GB RAM, 128GB 8GB RAM64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM
 -eMMC 5.1
Main Camera
Dual-13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, AF Auxiliary lens
FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Single8 MP, f/2.0, (wide)8 MP, f/2.0, (wide)
Triple13 MP, f/2.2, 25mm (wide), 1/3.06", 1.12µm, PDAF 2 MP (macro) Auxiliary lens-
Video1080p@30fps1080p@30fps
Selfie camera
FeaturesHDRHDR
Single8 MP, f/2.0, (wide)8 MP, f/2.0, (wide)
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.1, A2DP, LE, aptX HD5.3, A2DP, LE, aptX HD
NFCNoNo
PositioningGPS, GLONASS, GALILEO, BDS, QZSSGPS
RadioNoUnspecified
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, Wi-Fi Direct
Features
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, proximity
Battery
Charging10W wired33W wired, 50% in 30 min
TypeLi-Po 5000 mAhLi-Po 5000 mAh
Misc
ColorsBlack, Blue, GoldGlowing Black, Glowing Green
ModelsCPH2309CPH2387
PriceAbout 160 EURAbout 440 EUR

Oppo A55s

  • Slightly more powerful CPU core

  • Slow 10W charging
  • Less efficient chipset
  • Potentially older software

Oppo A57 4G

  • 33W fast charging
  • More efficient chipset (Helio G35)
  • Generally smoother performance
  • Likely newer software

  • CPU cores are less powerful individually

Display Comparison

Both phones likely feature similar display technology (likely an LCD) and resolution (likely FHD+). The A57 4G might have slightly better color accuracy or brightness due to potential panel upgrades, but this is difficult to confirm without detailed reviews. Expect similar viewing experiences for everyday use.

Camera Comparison

Camera specs are likely similar, with both phones featuring a primary 13MP camera and a depth sensor. Image quality will depend heavily on software processing. The A57 4G might have slightly improved image processing due to newer software or hardware.

Performance

The Dimensity 700 in the A55s boasts a more modern 7nm process and Cortex-A76 cores, which are generally faster than the Cortex-A53 cores in the Helio G35. However, the G35's efficiency and the A57 4G's software optimization often result in a smoother, more responsive user experience in real-world usage. Gaming performance will be noticeably better on the A57 4G.

Battery Life

The A57 4G's 33W fast charging is a game-changer compared to the A55s's 10W charging. While battery capacity might be similar (likely around 5000mAh), the A57 4G will charge significantly faster, reducing downtime.

Buying Guide

The Oppo A55s is a decent option for users prioritizing a slightly more powerful CPU for basic tasks and who aren't concerned about fast charging. The Oppo A57 4G is ideal for those seeking a smoother experience, faster charging, and better overall value in a budget-friendly package.

Frequently Asked Questions

❓ Which phone is better for gaming?
The Oppo A57 4G is significantly better for gaming due to its more efficient chipset and generally smoother performance.
❓ Is the Oppo A55s worth buying if I only need a phone for basic tasks?
It's a viable option, but the Oppo A57 4G offers a better overall experience, especially considering its faster charging.