Xiaomi Redmi 15C 4G vs Tecno Spark Slim
53
out of 100
VS
57
out of 100
Here we compared two smartphones: the 6.9-inch Xiaomi Redmi 15C 4G (with MediaTek Helio G81 Ultra) that was released on August 1, 2025, against the Tecno Spark Slim, which is powered by MediaTek Helio G200 and came out 1 month after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
Select the amount of RAM to evaluate performance and value for money more precisely
Key differences
Reasons to consider the Xiaomi Redmi 15C 4G
- Expandable storage via MicroSD card up to 1024GB
- Comes with 840 mAh larger battery capacity: 6000 vs 5160 mAh
- Includes a 3.5 mm headphone audio jack port
Reasons to consider the Tecno Spark Slim
- 73% higher pixel density (440 vs 254 PPI)
- Has 2x more RAM: 8GB versus 4GB
- 63% better performance in AnTuTu Benchmark (591K versus 361K)
- Higher display refresh rate – 144 Hz
- More energy-efficient CPU – Helio G200
- Stereo speakers
- AMOLED display (versus competitor's IPS LCD)
- Supports higher wattage charging (45W versus 33W)
- Has a built-in infrared port
Review
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
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Value for money (Beta)
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | IPS LCD | AMOLED |
| Size | 6.9 inches | 6.78 inches |
| Resolution | 720 x 1600 pixels | 1224 x 2720 pixels |
| Aspect ratio | 20:9 | 20:9 |
| PPI | 254 ppi | 440 ppi |
| Refresh rate | 120 Hz | 144 Hz |
| Adaptive refresh rate | Yes (60-120 Hz) | Yes |
| Max rated brightness | 810 nits | 4500 nits |
| HDR support | No | No |
| Touch sampling rate | 240 Hz | - |
| Screen protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 7i |
| Screen-to-body ratio | 84.3% | 89.1% |
| Display features | - | - DCI-P3 - DC Dimming |
Design and build
| Height | 171.56 mm (6.75 inches) | 164.2 mm (6.46 inches) |
| Width | 79.47 mm (3.13 inches) | 75.9 mm (2.99 inches) |
| Thickness | 7.99 mm (0.31 inches) | 5.93 mm (0.23 inches) |
| Weight | 205 g (7.23 oz) | 156 g (5.5 oz) |
| Waterproof | IP64 | IP64 |
| Rear material | Eco-leather | - |
| Frame material | Plastic | Plastic |
| Colors | Black, Blue, Green, Orange | White, Black |
| Fingerprint scanner | Yes, in-button | Yes, in-display |
| Repairability | Average (2.63/5) | - |
| Drop resistance | Excellent (A) · 270 drops | - |
Screen-to-body ratio
Performance
| Chipset | MediaTek Helio G81 Ultra | MediaTek Helio G200 |
| Max clock | 2000 MHz | 2200 MHz |
| CPU cores | 8 (2 + 6) | 8 (2 + 6) |
| Architecture | - 6 cores at 1.7 GHz: Cortex-A55 - 2 cores at 2 GHz: Cortex-A75 |
- 6 cores at 2 GHz: Cortex-A55 - 2 cores at 2.2 GHz: Cortex-A76 |
| Manufacturing | TSMC | TSMC |
| Lithography process | 12 nanometers | 6 nanometers |
| Neural processor (NPU) | Yes | Yes |
| Graphics | Mali-G52 MP2 | Mali-G57 MP2 |
| GPU shading units | 48 | 64 |
| GPU clock | 820 MHz | 1100 MHz |
| FLOPS | ~78.7 GFLOPS | ~140.8 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
| Compute Score (GPU) | 915 | 1480 |
| Single-core score | 403 | 718 |
| Multi-core score | 1384 | 1985 |
AnTuTu Benchmark 11
| CPU | 131538 | 220476 |
| GPU | 23704 | 48665 |
| Memory | 98010 | 149900 |
| UX | 108676 | 172511 |
| Total score | 361928 | 591552 |
| Samples | [5 tests] | Less than 3 |
PCMark 3.0
| Web score | 9949 | 10809 |
| Video editing | 5889 | 6392 |
| Photo editing | 17453 | 24311 |
| Data manipulation | 5631 | 6221 |
| Writing score | 9299 | 12529 |
Recent User Tests
Xiaomi Redmi 15C 4G
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-09-26 (Junior) | AnTuTu 12 | 398363 |
| 📘 2026-09-08 (BerQt) | AnTuTu 11 | 348068 |
| 📘 2026-06-07 (Sg) | AnTuTu 11 | 367297 |
| 📘 2026-06-07 (Sg) | AnTuTu 11 | 367297 |
| 📘 2026-06-07 (Chelzie) | AnTuTu 11 | 352100 |
Tecno Spark Slim
No benchmark results yet
Memory
| RAM size | 4 GB | 8 GB |
| Memory type | LPDDR4X | LPDDR4X |
| Memory clock | 1800 MHz | 2133 MHz |
| Channels | 2 | 2 |
| Storage size | 128 GB | 256 GB |
| Storage type | eMMC 5.1 | UFS 2.2 |
| Memory card | MicroSD | No |
| Memory card max size | Up to 1024 GB | - |
Software
| Operating system | Android 15 | Android 15 |
| ROM | HyperOS 2.0 | HIOS 15 |
| OS updates | 5 years | - |
Battery
| Capacity | 6000 mAh | 5160 mAh |
| Max charge power | 33 W | 45 W |
| Battery type | Li-Po | Li-Po |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | No | Yes |
| Bypass charging | No | - |
| Fast charging | Yes (50% in 40 min) | Yes (52% in 30 min) |
| Full charging time | 1:37 hr | 0:57 hr |
| Battery cycles | 1000 cycles | - |
Main camera
| Matrix | 50 megapixels | 50 megapixels |
| Image resolution | 8160 x 6144 | 8160 x 6144 |
| Zoom | Digital | Digital |
| Flash | LED | Dual LED |
| Stabilization | Digital | Digital |
| 8K video recording | No | No |
| 4K video recording | No | No |
| 1080p video recording | Up to 30FPS | Up to 60FPS |
| Lenses | 1) Standard: 50 MP 2) Depth |
1) Standard: 50 MP |
| Camera features | - Bokeh mode - Pro mode |
- Bokeh mode - Pro mode |
| Image resolution | 50 MP | 50 MP |
| Aperture | f/1.8 | - |
| Focal length | 28 mm | - |
| Sensor | Samsung S5KJNS | - |
| Sensor size | 1/2.96" (≈ 0.34 inch) | - |
| Pixel size | 0.64 micron | - |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Digital | Digital |
Selfie camera
| Megapixels | 8 megapixels | 13 megapixels |
| Aperture | f/2.0 | - |
| Sensor | Smartsens SC1320CS | CMOS |
| Sensor size | 1/3.06" (≈ 0.33 inch) | - |
| Pixel size | 1.12 micron | - |
| Autofocus | No | No |
| Stabilization | No | Digital |
| Video resolution | 1080p (Full HD) at 30 FPS | 1080p (Full HD) at 30 FPS |
| Depth sensor (TOF 3D) | No | No |
Connectivity
| Wi-Fi standard | 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 MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5.4 | 5.4 |
| 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 | GPS, GLONASS, Beidou, Galileo |
| NFC* | Depends on the region | Yes |
| Infrared port | No | Yes |
| Number of SIM* | 2 | 2 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support* | No | No |
| Hybrid slot | No | No |
| 5G support | No | No |
Sound
| Speakers | Mono | Stereo |
| Headphone audio jack | Yes | No |
| FM radio | Yes | Yes |
| Dolby Atmos | No | Yes |
Other
| Category | Budget | Mid-range |
| Announced | August 2025 | September 2025 |
| Release date | August 2025 | October 2025 |
| Launch price (MSRP) | $179 | $190 |
| Sensors | - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | Yes, 33 W | Yes, 45 W |
Further details
Notes on Redmi 15C 4G:
- The back cover is either glass or eco-leather.
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
If the display, performance, gaming, design, and sound are more important to you, then choose the Tecno Spark Slim. But if the camera, battery life, and software are more of a priority – go for the Xiaomi Redmi 15C 4G.
Cast your vote
Total votes: 3
