BeastCompare

A78 vs C55: Which One Should You Buy?

A78 edges ahead with a BeastScore of 79.8/100 — but the right choice depends on what matters to you.

Head-to-head
Comparing 2 devicesSwipe ⇄
Oppo · 2023

A78

A78
80/ 100
Launch pricePrice on request
Realme · 2023

C55

C55
80/ 100
Launch price$170
Head-to-head

A78 wins 2 of 7 categories

Here's exactly where each phone is stronger.

A78
A78
2 wins
C55
C55
1 win
At a glance

Bigger shape = better phone.

SpeedCameraSelfieBatteryDisplayConnectivityValue
A78C55
Category winners

Scores out of 100. How we score

  • SpeedTie
    80
    80
  • CameraTie
    84
    84
  • VideoNot enough data
  • SelfieTie
    40
    40
  • BatteryTie
    86
    86
  • DisplayA78
    74
    62
  • ConnectivityA78
    65
    55
  • SecurityNot enough data
  • ValueC55
    68
    90
Key differences
  • C55 has a sharper main camera64 MP vs 50.1 MP
  • C55 has the bigger screen6.72" vs 6.56"
  • A78 is lighter188 g vs 189 g
  • A78 has newer Bluetooth5.3 vs 5
See all specs ↓

Why buy each phone

Swipe ⇄
Reasons to buy A78
  • ✓1 g lighter (188 g vs 189 g), easier to hold
  • ✓50.1 MP main camera
  • ✓6.56" display at 90 Hz
Reasons to buy C55
  • ✓64 MP main camera
  • ✓6.72" display at 90 Hz

Full specifications

Swipe ⇄
SpecificationA78C55
1. Display & Screen🏆 A78 Wins Display
Screen typeIPS TFT LCDIPS LCD
Screen Size6.56"6.72"
Resolution & Density720x1612 (269 ppi)2400x1080 (392 ppi)
Refresh Rate90 Hz90 Hz
BrightnessN/A680 nits peak
Screen ProtectionNot listedNot listed
2. Platform & Performance
Chipset / ProcessorDimensity 700 (7nm)MediaTek Helio G88 (12nm)
CPU CoresNot listedNot listed
GPU GraphicsMali-G57 MC2Mali-G52 MC2
Operating SystemAndroid 12Android 13
3. Memory & Storage
RAM Memory8 GB LPDDR8 GB LPDDR
Internal Storage128GB128GB / 256GB
Storage SpeedNot listedNot listed
Card SlotNoNo
4. Main Camera Optics
Primary Camera50.1 MP64 MP, f/1.79
Telephoto ZoomNone (digital zoom only)None (digital zoom only)
Ultrawide CameraN/AN/A
LiDAR / DepthNoneNone
5. Video
Main Camera Video
Not listed
Not listed
Front Video
Not listed
Not listed
6. Selfie Camera
Selfie Lens8 MP8 MP, f/2
7. Body & Dimensions🏆 A78 Lightest Chassis
Dimensions163.8 x 75.04 x 7.99 mm165.6 x 75.9 x 7.8 mm
Weight188 g189 g
Build MaterialsNot listedNot listed
SIM TypeNot listedNot listed
Water ResistanceNot listedNot listed
8. Battery & Charging
Battery Capacity5,000 mAh5,000 mAh
Wired Fast Charging33W wired fast charging33W wired fast charging
Wireless ChargingNot listedNot listed
Reverse ChargingNot listedNot listed
9. Sound & Audio
LoudspeakerNot listedNot listed
3.5mm Headphone JackNoNo
10. Connectivity
Wi-Fi StandardNot listedWi-Fi 5
BluetoothBluetooth 5.35.0
USB Port & SpeedUSB C reversibleUSB-C 2.0
NFCYesYes
11. Sensors & Security
SensorsNot listedNot listed
Satellite FeaturesNot listedNot listed
12. Colors & Overview
ColorsNot listedNot listed
Launch PricePrice on request$170
Our verdict

A78 wins — BeastScore 79.8/100

The A78 is the better pick for most people thanks to its lighter body (188 g vs 189 g) and newer Bluetooth (5.3 vs 5). The C55 is worth a look if you prefer its sharper main camera (64 MP vs 50.1 MP).

Buy A78 if you want

Reliable all-round performance.

Buy C55 if you want

Higher-resolution main camera: 64 MP vs 50.1 MP

Common questions

Which is better: A78 or C55?

The A78 is the better pick for most people thanks to its lighter body (188 g vs 189 g) and newer Bluetooth (5.3 vs 5). The C55 is worth a look if you prefer its sharper main camera (64 MP vs 50.1 MP). BeastScore: A78 79.8/100, C55 79.6/100.

What are the main battery and display differences between A78 and C55?

A78 has a 6.56-inch display and 5000 mAh battery. C55 has a 6.72-inch display and 5000 mAh battery.

How do A78 and C55 compare for speed?

A78 scores 80/100 for performance; C55 scores 80/100.

Similar Smartphones

Samsung Galaxy A07s
Samsung

Samsung Galaxy A07s

iPhone 16 Pro Max
Apple

iPhone 16 Pro Max

Pixel 6
Google

Pixel 6

OnePlus Nord N30 SE
Oneplus

OnePlus Nord N30 SE

Xiaomi Poco C81x
Xiaomi

Xiaomi Poco C81x

T3 5G
Vivo

T3 5G

K10x
Oppo

K10x

Motorola Moto G Play 5G (2026)
Motorola

Motorola Moto G Play 5G (2026)

More Smartphones comparisons

vs

A78 vs A80

Compare →
vs

Oppo A18 vs A78

Compare →
vs

Oppo A58 4G vs A78

Compare →
vs

C55 vs C61

Compare →
vs

C55 vs C63

Compare →
vs

A78 vs Samsung Galaxy A07s

Compare →
vs

C55 vs Samsung Galaxy A07s

Compare →
vs

A78 vs iPhone 16 Pro Max

Compare →

Gear for the A78

All Amazon Finds →
Amazon FindsBest power banksFast charging for a full day out.See the picks Amazon FindsBest USB-C chargersSmall GaN bricks that charge fast.See the picks Amazon FindsBest wireless earbudsTop 5 on Amazon, compared.See the picks Amazon FindsBest Bluetooth trackersAirTag vs SmartTag2 vs Tile.See the picks

Related articles

All articles →
Oppo Find X10 to feature dual 200MP cameras, Pro Max gets Open GateCamera
5 min read

Oppo Find X10 to feature dual 200MP cameras, Pro Max gets Open Gate

Oppo has confirmed the Find X10 Pro Max will pack twin 200MP sensors and cinema-grade Open Gate 4:3 full-sensor video recording for filmmakers.

Read →
OPPO Find X10 Pro Max Price: €1,799 Global Launch, Worth It?Tech News
6 min read

OPPO Find X10 Pro Max Price: €1,799 Global Launch, Worth It?

OPPO launched the Find X10 and Find X10 Pro Max worldwide on October 21. The Pro Max costs about €1,800 with three 200MP cameras, but European models get a smaller battery than the China versions. Here are the prices, the specs and who should buy which.

Read →
PlayStation Pulse vs Pulse Edge: Pre-Order the $99.99 or Wait?Tech News
6 min read

PlayStation Pulse vs Pulse Edge: Pre-Order the $99.99 or Wait?

Sony has priced the new PlayStation Pulse at $99.99 and set pre-orders for October 29. The premium Pulse Edge has no price yet and lands in early 2027. Here is who should buy now and who should wait.

Read →