Xiaomi Redmi 9 vs Redmi 15 4G
38
out of 100
VS
58
out of 100
Here we compared two budget smartphones: the 6.53-inch Xiaomi Redmi 9 (with MediaTek Helio G80) that was released on June 10, 2020, against the Xiaomi Redmi 15 4G, which is powered by Qualcomm Snapdragon 685 and came out 5 years and 3 months 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 9
- Includes a 3.5 mm headphone audio jack port
Reasons to consider the Xiaomi Redmi 15 4G
- Water-resistant body (IP64 classification)
- Higher display refresh rate – 144 Hz
- Comes with 1980 mAh larger battery capacity: 7000 vs 5020 mAh
- 45% better performance in AnTuTu Benchmark (504K versus 346K)
- Delivers 48% higher peak brightness (630 against 427 nits)
- Has a 0.37 inch larger screen size
- More recent OS version: Android 15 versus 12
- The phone is 5 years and 3 months newer
- More energy-efficient CPU – Snapdragon 685
- Has 33% more RAM: 4GB versus 3GB
- Supports higher wattage charging (33W versus 18W)
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.
Select your primary usage scenario to get a more accurate NanoReview Score
Value for money (Beta)
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | IPS LCD | IPS LCD |
| Size | 6.53 inches | 6.9 inches |
| Resolution | 1080 x 2340 pixels | 1080 x 2340 pixels |
| Aspect ratio | 19.5:9 | 19.5:9 |
| PPI | 395 ppi | 374 ppi |
| Refresh rate | 60 Hz | 144 Hz |
| Adaptive refresh rate | No | Yes |
| Max rated brightness | 400 nits | 650 nits |
| HDR support | No | No |
| Screen protection | Corning Gorilla Glass 3 | Tempered glass |
| Screen-to-body ratio | 83.2% | 85.6% |
| RGB color space | 93% | 99.8% |
| PWM | 500 Hz | Not detected |
| Response time | 35 ms | 30 ms |
| Contrast | 710:1 | 1426:1 |
Screen space comparison
Redmi 15 4G
6.9″ (19.5:9 ratio) = 18.1 in2
Redmi 9
6.53″ (19.5:9 ratio) = 16.2 in2
~11% more screen space
Peak brightness test (auto)
Design and build
| Height | 163.3 mm (6.43 inches) | 169.48 mm (6.67 inches) |
| Width | 77 mm (3.03 inches) | 80.45 mm (3.17 inches) |
| Thickness | 9.1 mm (0.36 inches) | 8.4 mm (0.33 inches) |
| Weight | 198 g (6.98 oz) | 214 g (7.55 oz) |
| Waterproof | No | IP64 |
| Rear material | Plastic | Plastic |
| Frame material | Plastic | Plastic |
| Colors | Gray, Green, Purple | Black, Gray, Purple |
| Fingerprint scanner | Yes, rear | Yes, in-button |
| Repairability | - | Average (2.63/5) |
| Drop resistance | - | Excellent (A) · 270 drops |
Screen-to-body ratio
Performance
| Chipset | MediaTek Helio G80 | Qualcomm Snapdragon 685 |
| Max clock | 2000 MHz | 2800 MHz |
| CPU cores | 8 (2 + 6) | 8 (4 + 4) |
| Architecture | - 6 cores at 1.8 GHz: Cortex-A55 - 2 cores at 2 GHz: Cortex-A75 |
- 4 cores at 1.9 GHz: Cortex-A53 - 4 cores at 2.8 GHz: Cortex-A73 |
| L3 cache | 1 MB | - |
| Manufacturing | TSMC | TSMC |
| Lithography process | 12 nanometers | 6 nanometers |
| Neural processor (NPU) | Yes | Hexagon 686 |
| Graphics | Mali-G52 MP2 | Adreno 610 |
| GPU shading units | 48 | 128 |
| GPU clock | 950 MHz | 1260 MHz |
| FLOPS | ~91.2 GFLOPS | ~322.6 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
| Compute Score (GPU) | - | 376 |
| Single-core score | 416 | 466 |
| Multi-core score | 1347 | 1529 |
AnTuTu Benchmark 11
| CPU | 144052 | 191284 |
| GPU | 27402 | 28459 |
| Memory | 77023 | 154573 |
| UX | 98311 | 130060 |
| Total score | 346788 | 504376 |
| Samples | [6 tests] | [8 tests] |
3DMark Wild Life Extreme
| Stability | 98% | - |
| Graphics test | 1 FPS | - |
| Graphics score | 171 | - |
PCMark 3.0
| Web score | 8789 | 11100 |
| Video editing | 5624 | 4691 |
| Photo editing | 19468 | 15112 |
| Data manipulation | 6135 | 7440 |
| Writing score | 9169 | 11632 |
Recent User Tests
Xiaomi Redmi 9
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-06-08 (Itsorif) | AnTuTu 11 | 312297 |
| 📘 2026-05-22 (klinton) | AnTuTu 11 | 374733 |
| 📘 2026-05-13 () | AnTuTu 11 | 388645 |
| 📘 2026-03-30 (WinFuck) | AnTuTu 11 | 344734 |
| 📘 2025-09-06 -> overcooked | AnTuTu 11 | 346788 |
Xiaomi Redmi 15 4G
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-09-27 (Ary) | AnTuTu 12 | 557806 |
| 📘 2026-09-26 (Aryy) | AnTuTu 12 | 557806 |
| 📘 2026-07-26 (Aj Umagat) | AnTuTu 11 | 525916 |
| 📘 2026-07-19 (Veliki_eblan) | AnTuTu 11 | 503739 |
| 📘 2026-07-08 (Ary) | Geekbench 6 CPU | 463 / 1485 |
Memory
| RAM size | 3 GB | 4 GB |
| Memory type | LPDDR4X | LPDDR4X |
| Memory clock | 1866 MHz | 2133 MHz |
| Channels | 2 | 2 |
| Storage size | 32 GB | 128 GB |
| Storage type | eMMC 5.1 | UFS 2.2 |
| Memory card | MicroSD | MicroSD |
| Memory card max size | Up to 512 GB | Up to 2048 GB |
Software
| Operating system | Android 10 (Can be upgraded to Android 12) | Android 15 |
| ROM | MIUI 13 | HyperOS 2.0 |
| OS size | 13 GB | 26 GB |
| OS updates | - | 5 years |
Battery
| Capacity | 5020 mAh | 7000 mAh |
| Max charge power | 18 W | 33 W |
| Battery type | Li-Po | Silicon-Carbon (Si/C) |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | No | Yes |
| Bypass charging | - | No |
| Fast charging | Yes (50% in 80 min) | Yes (50% in 40 min) |
| Full charging time | 3:05 hr | 1:46 hr |
| Battery cycles | - | 1000 cycles |
| Web browsing | 08:45 hr | - |
| Watching video | 13:56 hr | - |
| Gaming | 05:30 hr | - |
| Standby | 113 hr | - |
General battery life
Main camera
| Matrix | 13 megapixels | 50 megapixels |
| Image resolution | 4128 x 3096 | 8192 x 6144 |
| Zoom | Digital | Digital |
| Flash | LED | LED |
| Stabilization | Digital | Digital |
| 8K video recording | No | No |
| 4K video recording | No | No |
| 1080p video recording | Up to 30FPS | Up to 30FPS |
| Slow motion | 120 FPS (720p) | - |
| Angle of widest lens | 118° | - |
| Lenses | 1) Standard: 13 MP 2) Ultrawide: 8 MP 3) Macro: 5 MP 4) Depth: 2 MP |
1) Standard: 50 MP 2) Depth |
| Camera features | - Bokeh mode - Pro mode |
- Bokeh mode |
| Image resolution | 13 MP | 50 MP |
| Aperture | f/2.2 | f/1.8 |
| Focal length | 28 mm | - |
| Sensor | Omnivision OV13B10 | - |
| Sensor size | 1/3.1" (≈ 0.32 inch) | - |
| Pixel size | 1.12 micron | - |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Digital | Digital |
| Image resolution | 8 MP | - |
| Aperture | f/2.2 | - |
| Focal length | 13 mm | - |
| Sensor | OmniVision OV8856 | - |
| Sensor size | 1/4.0" (≈ 0.25 inch) | - |
| Pixel size | 1.12 micron | - |
| Stabilization | Digital | - |
| Image resolution | 5 MP | - |
| Aperture | f/2.4 | - |
| Pixel size | 1.12 micron | - |
| Stabilization | Digital | - |
Selfie camera
| Megapixels | 8 megapixels | 8 megapixels |
| Image resolution | 3264 x 2448 | - |
| Aperture | f/2.0 | f/2.0 |
| Focal length | 27 mm | - |
| Sensor | CMOS | CMOS |
| Sensor size | 1/4.0" (≈ 0.25 inch) | - |
| Autofocus | No | No |
| Stabilization | Digital | 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 | - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5 | 5 |
| Bluetooth features | LE, HID, A2DP | 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 |
| GPS | GPS, GLONASS, Beidou, Galileo | GPS, GLONASS, Beidou, Galileo |
| NFC* | Yes | Yes |
| Infrared port | Yes | 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 |
| LTE Cat* | 7 | - |
| 5G support | No | No |
Sound
| Speakers | Mono | Mono |
| Headphone audio jack | Yes | No |
| FM radio | Yes | No |
| Dolby Atmos | No | Yes |
Speakers test
Max loudness
Other
| Category | Budget | Budget |
| Announced | June 2020 | August 2025 |
| Release date | July 2020 | August 2025 |
| Launch price (MSRP) | $130 | $150 |
| Successor | - Xiaomi Redmi 15 4G | - |
| SAR (head) | 0.71 W/kg | - |
| SAR (body) | 1.06 W/kg | - |
| Sensors | - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | Yes, 10 W | Not included |
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
After analyzing all the data, we think that the Xiaomi Redmi 15 4G is definitely a better buy.
Cast your vote
Total votes: 10