Category Breakdown
Oppo A78 4G
Tecno Spark 40
Performance
87.875.7
Camera
88.586.1
Display
82.777.3
Battery
83.593.5
Build
82.435.2
Overall
85.073.6
Summary
- The Oppo A78 4G features a 6.43-inch AMOLED display with a 90Hz refresh rate and a resolution of 1080 x 2400 pixels, offering superior color and clarity compared to the Tecno Spark 40's 6.67-inch IPS LCD display, which has a lower resolution of 720 x 1600 pixels but a higher refresh rate of 120Hz.
- In terms of performance, the A78 is powered by the Snapdragon 680 chipset, while the Spark 40 uses the Mediatek Helio G81 or G91, with the A78 likely providing better efficiency.
- Both phones have a 50 MP rear camera, but the Spark 40 can record video at 1440p, whereas the A78 is limited to 1080p.
- The A78 has a 5000 mAh battery with 67W charging, while the Spark 40 offers a slightly larger 5200 mAh battery with 45W charging.
- Software-wise, the A78 runs on Android 13 with ColorOS 13.1, while the Spark 40 operates on Android 15 with HIOS 15, indicating a more recent software experience for the Tecno device.
Side-by-side Specification Comparison
Oppo A78 4G
Tecno Spark 40
General
Release Date
2023, July 10
2025, July 02
Announced
2023, July 10
2025, July 02
Description
Not to be confused withOppo A78 5G
N/A
Display
Size
6.43"
6.67"
Type
AMOLED, 90Hz, 430 nits
IPS LCD, 120Hz
Resolution
1080 x 2400 pixels, 20:9 ratio (~409 ppi density)
720 x 1600 pixels, 20:9 ratio (~263 ppi density)
PPI
1080
720
Refresh Rate
90Hz
120Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
Corning Gorilla Glass 5
N/A
Performance
Chipset
Qualcomm SM6225 Snapdragon 680 4G (6 nm)
Mediatek Helio G81 (12 nm)Mediatek Helio G91 (12 nm) - NFC model
CPU
Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver)
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
Adreno 610
Mali-G52 MC2
Memory
128GB 8GB RAM, 256GB 8GB RAM
128GB 4GB RAM, 128GB 6GB RAM, 256GB 4GB RAM, 256GB 8GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC
microSDXC
Camera
Main Camera
50 MP
50 MP
Main Camera Details
50 MP, f/1.8, (wide), PDAF2 MP, f/2.4, (depth)
50 MP, (wide), PDAFAuxiliary lens
Front Camera
8 MP
8 MP
Front Camera Details
8 MP, f/2.0, (wide)
8 MP, (wide)
Video Recording
1080p@30fps
1440p@30fps, 1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
5000 mAh
5200 mAh
Battery Details
Li-Po 5000 mAh
5200 mAh
Charging Details
67W wired, PD, 76% in 30 min
45W wired, 55 min to 100%
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
160 x 73.2 x 7.9 mm (6.30 x 2.88 x 0.31 in)
165.6 x 77 x 7.7 mm (6.52 x 3.03 x 0.30 in)
Weight
180 g
N/A
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Mist Black, Aqua Green
Ink Black, Titanium Grey, Veil White, Mirage Blue
Foldable
✗
✗
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA, LTE
HSPA, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Yes
Bluetooth
5.0, A2DP, LE
Yes
NFC
✓
✓
USB
USB Type-C 2.0, OTG
USB Type-C
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GALILEO, GLONASS, BDS
GPS
Software
Operating System
Android 13, ColorOS 13.1
Android 15, HIOS 15
OS Version
Android 13, ColorOS 13.1
Android 15, HIOS 15
Security
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted); unspecified sensors
Audio
Stereo Speakers
✓
✓
Loudspeaker
Yes, with stereo speakers
Yes, with stereo speakers
Audio Jack
Yes
Yes

