Oppo Realme C75 vs Tecno Spark 40
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Compared 2 smartphones : Oppo Realme C75 Manufactured in December, 2024, with display 6.72 with chipsetMediaTek Helio G92 Max, vs Tecno Spark 40, Manufactured in July, 2025with chipsetMediaTek Helio G81. Below are specs, tests, pros and cons for each device
Key Differences
Reasons to choose Oppo Realme C75
- Larger display: 6.72in
- Higher pixel density: 392ppi
- Higher battery capacity: 6000mAh vs 5200mAh
Reasons to choose Tecno Spark 40
- Higher refresh rate: 120Hz
- Lighter design: 188g vs 196g
- Newer Bluetooth version: 5.3 vs 5
- Supports Dolby Atmos
- Infrared port
Versions
| Memory Options | - 6/128 GB - 8/128 GB - 8/256 GB |
- 4/128 GB - 4/256 GB - 6/128 GB - 8/256 GB |
Review
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
Adjust each parameter’s importance to find the best match for you.
Tests & specs
Specs & test comparisonDisplay
| Type | IPS LCD | IPS LCD |
| Size | 6.72 in | 6.67 in |
| Resolution | 1080x2400 pixels | 720x1600 pixels |
| Aspect ratio | 20:9 | 20:9 |
| Pixel density | 392 ppi | 263 ppi |
| Refresh rate | 90 Hz | 120 Hz |
| Adaptive refresh rate | No | Yes (60-120 Hz) |
| Max brightness | 690 nits | n/a |
| HDR support | No | No |
| Screen-to-body ratio | 86.3 % | 84.2 % |
Design & Build
| Height | 165.69 mm (6.52 in) | 165.6 mm (6.52 in) |
| Width | 76.22 mm (3 in) | 77 mm (3.03 in) |
| Thickness | 7.99 mm (0.31 in) | 7.7 mm (0.3 in) |
| Weight | 196 g (6.91 oz) | 188 g (6.63 oz) |
| Water resistance | IP69 | IP64 |
| Back panel | Plastic | n/a |
| Frame | Plastic | Plastic |
| Colors | - Black - Gold |
- White - Black - Gray - Blue |
| Fingerprint sensor | Yes In-Button | Yes In-Button |
Screen-to-body ratio
Performance
| Chipset | MediaTek Helio G92 Max | MediaTek Helio G81 |
| Max Frequency | 2000 MHz | 2000 MHz |
| CPU Cores | 8 (2 + 6) | 8 (2 + 6) |
| Architecture | - 6/1.8 (Cortex-A55) - 2/2 (Cortex-A75) |
- 6/1.8 (Cortex-A55) - 2/2 (Cortex-A75) |
| Process | TSMC | TSMC |
| Transistor Size | 12 nm | 12 nm |
| Neural Processor | MediaTek APU | Yes |
| Graphics | Mali-G52 MP2 | Mali-G52 MP2 |
| GPU Cores | 48 | 48 |
| GPU Frequency | 1000 MHz | 1000 MHz |
| FLOPS | 96 GFLOPS | 96 GFLOPS |
| Geekbench 6 (Single-Core) | 436 | 501 |
| Geekbench 6 (Multi-Core) | 1356 | 1410 |
| Geekbench Compute (GPU) | 1075 | n/a |
| CPU | 58520 | 84479 |
| GPU | 40838 | 35504 |
| Memory | 59672 | 67616 |
| UX | 63939 | 67813 |
| NanoReview Score | 222969 | 255412 |
Memory
| RAM Size | - 6 GB - 8 GB |
4 GB |
| Memory Type | LPDDR4X | LPDDR4X |
| Memory Frequency | 1800 MHz | 1800 MHz |
| Channels | 2 | 2 |
| Storage Capacity | - 128 GB - 256 GB | 128 GB |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Memory Card | MicroSD | MicroSD |
Software
| OS | Android 14 | Android 15 |
| UI Skin | Realme UI 5.0 | HIOS 15 |
Battery
| Volume | 6000 mAh | 5200 mAh |
| Max Charging Power | 45 W | 45 W |
| Battery Type | Li-Po | Li-Po |
| Removable | No | No |
| Wireless Charging | No | No |
| Reverse Charging | Yes | No |
| Fast Charging | Yes (40% in 30 min) | Yes (50% in 21 min) |
| Full Charge Time | n/a | 0:56 h |
Main camera
| Matrix | 50 MP | 50 MP |
| Zoom | Digital | Digital |
| Flash | LED | Dual LED |
| Stabilization | Digital | Digital |
| 8K Recording | No | No |
| 4K Recording | No | No |
| 1080p Recording | Yes (Up to 30 fps) | Yes (Up to 30 fps) |
| Lenses count | Standard: 50 MP Depth |
Standard: 50 MP Depth |
| Features | - Bokeh effect - Pro mode |
- Bokeh effect - Pro mode |
| Matrix | 50 MP | 50 MP |
| Aperture | f/1.8 | n/a |
| Sensor size | 1/2.88 | n/a |
| Pixel size | 0.64 μm | n/a |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Digital | Digital |
Front camera
| Matrix | 8 MP | 8 MP |
| Photo resolution | 3264x2448 pixels | n/a |
| Aperture | f/2.0 | n/a |
| Focal length | 26 mm | n/a |
| Sensor | CMOS | CMOS |
| Sensor size | 1/4 | n/a |
| Autofocus | No | No |
| Stabilization | Digital | No |
| Video resolution | 1080p (Full HD) at 30 fps | 1080p (Full HD) at 30 fps |
| TOF 3D sensor | No | No |
Connectivity
| Wi-Fi version | Wi-Fi 5 (802.11 a/b/g/n/ac) | Wi-Fi 5 (802.11 a/b/g/n/ac) |
| Wi-Fi features | - Dual Band - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5 | 5.3 |
| Bluetooth features | LE | LE |
| USB type | USB Type-C | USB Type-C |
| USB version | 2 | 2 |
| USB features | - Charging - USB Storage Mode - OTG |
- Charging - USB Storage Mode - OTG |
| DisplayPort | No | No |
| GPS | - GPS - GLONASS - Beidou - Galileo - QZSS |
- GPS - GLONASS - Galileo |
| NFC* | Varies by region | Varies by region |
| Infrared Port | No | Yes |
| SIM Count* | 2 | 2 |
| SIM Type | Nano | Nano |
| SIM Mode | Dual SIM Standby | Dual SIM Standby |
| eSIM Support * | No | No |
| Hybrid Slot | No | No |
| 2G Bands | GSM 850/900/1800/1900MHz | n/a |
| 3G Bands | WCDMA 1/5/8 | n/a |
| LTE Bands* | LTE (B1/B3/B5/B7/B8/B20/B28/B38/B40/B41) | n/a |
| LTE category | 7 | n/a |
| 5G Support | No | No |
Sound
| Speakers | Stereo | n/a |
| 3.5 mm Jack | No | Yes |
| FM Radio | No | Yes |
| Dolby Atmos | No | Yes |
Other
| Class | Budget | Budget |
| Announced | November, 2024 yr | July, 2025 yr |
| Release Date | December, 2024 yr | July, 2025 yr |
| Launch Price ($) | 180 | n/a |
| MSRP ($) | n/a | 130 |
| Sensors | - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
- Proximity Sensor - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
| Charger Included | Yes 45 W | Yes 45 W |
*
Attention!
Config, frequencies, NFC, and other specs may vary by region.
Results
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Survey
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