Xiaomi Redmi Note 8 vs Note 15 5G
40
out of 100
VS
63
out of 100
Here we compared two mid-range smartphones: the 6.3-inch Xiaomi Redmi Note 8 (with Qualcomm Snapdragon 665) that was released on August 29, 2019, against the Xiaomi Redmi Note 15 5G, which is powered by Qualcomm Snapdragon 6 Gen 3 and came out 6 years and 4 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 Note 8
- Includes a 3.5 mm headphone audio jack port
Reasons to consider the Xiaomi Redmi Note 15 5G
- Water-resistant body (IP66 classification)
- Delivers 423% higher peak brightness (3297 against 630 nits)
- 2.5x better performance in AnTuTu Benchmark (830K versus 329K)
- Higher display refresh rate – 120 Hz
- Comes with 1520 mAh larger battery capacity: 5520 vs 4000 mAh
- Shows 35% longer battery life (26:08 vs 19:18 hours)
- Newer Bluetooth version (v5.1)
- Optical image stabilization
- Supports higher wattage charging (45W versus 18W)
- Has a 0.47 inch larger screen size
- More recent OS version: Android 15 versus 11
- The phone is 6 years and 4 months newer
- More energy-efficient CPU – Snapdragon 6 Gen 3
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 | AMOLED |
| Size | 6.3 inches | 6.77 inches |
| Resolution | 1080 x 2340 pixels | 1080 x 2392 pixels |
| Aspect ratio | 19.5:9 | 19.93:9 |
| PPI | 409 ppi | 388 ppi |
| Refresh rate | 60 Hz | 120 Hz |
| Adaptive refresh rate | No | Yes (30-120 Hz) |
| Max rated brightness | 450 nits | 800 nits |
| Max rated brightness in HDR | - | 3200 nits |
| HDR support | No | Yes, HDR10+ |
| Touch sampling rate | - | 240 Hz |
| Screen protection | Corning Gorilla Glass 5 | Tempered glass |
| Screen-to-body ratio | 81.8% | 89.7% |
| Display features | - | - DCI-P3 - Always-On Display - DC Dimming |
Screen space comparison
Redmi Note 15 5G
6.77″ (19.93:9 ratio) = 17.2 in2
Redmi Note 8
6.3″ (19.5:9 ratio) = 15.1 in2
~13% more screen space
Peak brightness test (auto)
Design and build
| Height | 158.3 mm (6.23 inches) | 164 mm (6.46 inches) |
| Width | 75.3 mm (2.96 inches) | 75.42 mm (2.97 inches) |
| Thickness | 8.4 mm (0.33 inches) | 7.35 mm (0.29 inches) |
| Weight | 190 g (6.7 oz) | 178 g (6.28 oz) |
| Waterproof | No | IP66 |
| Rear material | Glass | Plastic |
| Frame material | Plastic | Plastic |
| Colors | White, Black, Blue | Black, Blue, Purple |
| Fingerprint scanner | Yes, rear | Yes, in-display |
| Repairability | - | Average (2.63/5) |
| Drop resistance | - | Excellent (A) · 270 drops |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 665 | Qualcomm Snapdragon 6 Gen 3 |
| Max clock | 2000 MHz | 2400 MHz |
| CPU cores | 8 (4 + 4) | 8 (4 + 4) |
| Architecture | - 4 cores at 1.8 GHz: Kryo 260 Silver (Cortex-A53) - 4 cores at 2 GHz: Kryo 260 Gold (Cortex-A73) |
- 4 cores at 1.8 GHz: Cortex-A55 - 4 cores at 2.4 GHz: Cortex-A78 |
| Manufacturing | Samsung | Samsung |
| Lithography process | 11 nanometers | 4 nanometers |
| Neural processor (NPU) | Hexagon 686 | Hexagon |
| Graphics | Adreno 610 | Adreno 710 |
| GPU shading units | 128 | 256 |
| GPU clock | 950 MHz | 1010 MHz |
| FLOPS | ~243.2 GFLOPS | ~517.1 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
| Compute Score (GPU) | - | 3347 |
| Single-core score | 508 | 991 |
| Multi-core score | 1549 | 2972 |
AnTuTu Benchmark 11
| CPU | 147902 | 288209 |
| GPU | 24130 | 132172 |
| Memory | 68847 | 174635 |
| UX | 88578 | 235749 |
| Total score | 329457 | 830765 |
| Samples | [5 tests] | [21 tests] |
PCMark 3.0
| Web score | 6072 | - |
| Video editing | 5062 | - |
| Photo editing | 11822 | - |
| Data manipulation | 5151 | - |
| Writing score | 6677 | - |
Recent User Tests
Xiaomi Redmi Note 8
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-08-17 (SR Saani) | AnTuTu 11 | 345256 |
| 📘 2026-06-05 (Thomas 🇧🇷) | AnTuTu 11 | 319538 |
| 📘 2026-05-10 -> Nurs | AnTuTu 11 | 329457 |
| 📘 2026-05-09 -> Nurs | AnTuTu 11 | 329457 |
| 📘 2025-11-13 -> Lol | AnTuTu 11 | 313923 |
Xiaomi Redmi Note 15 5G
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-10-01 (bagassetiawan) | Geekbench 7 CPU | 852 / 3007 |
| 📘 2026-09-25 (Florian) | AnTuTu 12 | 868661 |
| 📘 2026-09-24 (bagassetiawan) | Geekbench 6 CPU | 1013 / 2993 |
| 📘 2026-09-22 (Caleum Mark) | AnTuTu 12 | 905875 |
| 📘 2026-09-16 (iQOO 🍊) | AnTuTu 11 | 840938 |
Memory
| RAM size | 3 GB | 6 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 256 GB | Up to 1024 GB |
Software
| Operating system | Android 9.0 (Can be upgraded to Android 11) | Android 15 |
| ROM | MIUI 12.5 Enhanced | HyperOS 2.0 |
| OS updates | - | 5 years |
Battery
| Capacity | 4000 mAh | 5520 mAh |
| Max charge power | 18 W | 45 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, Quick Charge 4.0 (50% in 35 min) | Yes (55% in 30 min) |
| Full charging time | 2:05 hr | 1:07 hr |
| Battery cycles | - | 1000 cycles |
| Web browsing | 07:46 hr | 10:37 hr |
| Watching video | 12:22 hr | 18:35 hr |
| Gaming | 05:10 hr | 05:50 hr |
| Standby | 88 hr | 112 hr |
General battery life
Smartphones With Long Battery Life (#134th place)
Main camera
| Matrix | 48 megapixels | 108 megapixels |
| Image resolution | 8000 x 6000 | 12000 x 9000 |
| Zoom | Digital | Digital |
| Flash | LED | LED |
| Stabilization | Digital | Optical |
| 8K video recording | No | No |
| 4K video recording | Up to 30FPS | Up to 30FPS |
| 1080p video recording | Up to 60FPS | Up to 30FPS |
| Slow motion | 240 FPS (720p) | - |
| Angle of widest lens | 118° | - |
| Lenses | 1) Standard: 48 MP 2) Ultrawide: 8 MP 3) Macro: 2 MP 4) Depth: 2 MP |
1) Standard: 108 MP 2) Ultrawide: 8 MP |
| Camera features | - Bokeh mode - Pro mode |
- Bokeh mode - Pro mode |
| Image resolution | 48 MP | 108 MP |
| Aperture | f/1.8 | f/1.7 |
| Focal length | 26 mm | 24 mm |
| Sensor | Samsung S5KGM2 | Samsung ISOCELL S5KHM9 |
| Sensor size | 1/2" (≈ 0.5 inch) | 1/1.67" (≈ 0.6 inch) |
| Pixel size | 0.8 micron | 0.64 micron |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Digital | Optical |
| Image resolution | 8 MP | 8 MP |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 13 mm | 16 mm |
| Sensor | Omnivision OV8856 | OmniVision OV08F10 |
| Sensor size | 1/5" (≈ 0.2 inch) | 1/4.0" (≈ 0.25 inch) |
| Pixel size | 1.12 micron | 1 micron |
| Stabilization | Digital | Digital |
| Image resolution | 2 MP | - |
| Aperture | f/2.4 | - |
| Sensor | Omnivision OV02A10 | - |
| Sensor size | 1/5" (≈ 0.2 inch) | - |
| Pixel size | 1.75 micron | - |
| Stabilization | Digital | - |
Selfie camera
| Megapixels | 13 megapixels | 20 megapixels |
| Image resolution | 4224 x 3136 | 5184 x 3888 |
| Aperture | f/2.0 | f/2.2 |
| Focal length | 28.21 mm | 21 mm |
| Sensor | Omnivision OV13855 | OmniVision OV20B |
| Sensor size | 1/2.9" (≈ 0.34 inch) | 1/4.0" (≈ 0.25 inch) |
| Pixel size | 1.12 micron | 0.7 micron |
| 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 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 | 5.1 |
| 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 | GPS, GLONASS, Beidou, Galileo, QZSS |
| NFC* | No | Depends on the region |
| 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* | 12 | - |
| 5G support | No | Yes |
Sound
| Speakers | Mono | Stereo |
| Headphone audio jack | Yes | No |
| FM radio | Yes | Yes |
| Dolby Atmos | No | Yes |
Speakers test
Max loudness
Other
| Category | Mid-range | Mid-range |
| Announced | August 2019 | December 2025 |
| Release date | September 2019 | December 2025 |
| Launch price (MSRP) | $190 | $199 |
| Successor | - Xiaomi Redmi Note 15 5G | - |
| SAR (head) | 0.191 W/kg | - |
| SAR (body) | 1.034 W/kg | - |
| Sensors | - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | - | 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 Note 15 5G is definitely a better buy.
Cast your vote
Total votes: 4