Side-by-side technical data
Xiaomi Redmi 15a vs Xiaomi Redmi 8
Comparison between Xiaomi Redmi 15a and Xiaomi Redmi 8: camera, battery, fast charging, display, performance and colors, side by side. More phones from Xiaomi.
NeoTeo's verdict
Which of the two is the better buy
The Xiaomi Redmi 15a is the more complete choice for a current phone: its 6.9″ 120 Hz screen, 5G and Android 16 set it apart from the Redmi 8, which may suit buyers who prefer a more compact, lighter device.
The Redmi 15a pairs a Unisoc T8300 with 6 GB of RAM and UFS 2.2 storage; the Redmi 8 has a Qualcomm Snapdragon 439, 4 GB and eMMC 5.1. The 15a’s display reaches 800 nits and 1600 px vertical resolution, versus 400 nits and 1520 px on the Redmi 8; the older phone has higher pixel density, 270 ppi versus 254 ppi. Its main camera is 32 MP on the 15a and 12 MP on the Redmi 8, but the Redmi 8 has the wider aperture, f/1.8 versus f/2.
The 15a’s 6,300 mAh battery exceeds the Redmi 8’s 5,000 mAh and supports reverse charging; fast charging is 15 W on the 15a and 18 W on the Redmi 8. The newer model also adds Wi-Fi 5, Bluetooth 5.4, NFC and stereo speakers, while the Redmi 8 has an infrared blaster. The 15a suits buyers prioritizing a modern screen, performance and connectivity; the Redmi 8 fits those who value a lighter phone and a wider camera aperture.
Xiaomi Redmi 15a
The Xiaomi Redmi 15a is the better fit for buyers seeking a 120 Hz screen, 5G connectivity and a 6,300 mAh battery.
Xiaomi Redmi 8
The Xiaomi Redmi 8 suits buyers who want a lighter phone and value its f/1.8 main-camera aperture, versus f/2 on the Redmi 15a.
The verdict
Your pick: Xiaomi Redmi 15a, ahead on Design & display, Performance & hardware, Connectivity and Battery & charging.
| Category | Redmi 15a | Redmi 8 |
|---|---|---|
| Design & display | 5.1 | 4.5 |
| Performance & hardware | 4.2 | 2.5 |
| Camera | 3.4 | 3.6 |
| Connectivity | 6.8 | 3.9 |
| Battery & charging | 6.5 | 5.3 |
Which one is for you?
Xiaomi Redmi 15a, if you care about…
- Battery Capacity
- 6,300 mAh
- against 5,000 mAh
- RAM Capacity
- 6 GB
- against 4 GB
- Wi-Fi Standards
- Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
- against Wi-Fi 802.11 b/g/n, Wi-Fi 4 (802.11n)
- Storage Type
- UFS 2.2
- against eMMC 5.1
Xiaomi Redmi 8, if you care about…
- Display Pixel Density
- 270 ppi
- against 254 ppi
- Weight
- 188 g
- against 210 g
- Fast Charge Power
- 18 W
- against 15 W
Specification comparison
Performance
| Specification | Redmi 15a | Redmi 8 |
|---|---|---|
| Processor Model | Unisoc T8300 | Qualcomm Snapdragon 439 |
| Processor Process Size | 6 nm Best value | 12 nm |
| Graphics GPU | Mali-G57 MC2 | Qualcomm Adreno 505 |
| Storage Type | UFS 2.2 Best value | eMMC 5.1 |
| Maximum CPU Clock | 2.2 GHz Best value | 1.95 GHz |
| Maximum Storage Capacity | 128 GB Best value | 64 GB |
| AnTuTu Score | 479,500 | 89,903 |
| Geekbench 6 Single-Core | 908 Best value | 492 |
| Geekbench 6 Multi-Core | 2,221 Best value | 1,701 |
| CPU Description | Octa-core CPU with 2 Cortex-A78 cores at 2.2 GHz and 6 Cortex-A55 cores at 2.0 GHz. | Octa-core CPU with 4 Cortex-A53 cores at 1.95 GHz and 4 Cortex-A53 cores at 1.45 GHz. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 6 GB Best value | 4 GB |
| RAM Type | LPDDR4X Best value | DDR3 |
| Expandable Storage | Yes | — |
| AnTuTu version | v10 | — |
Design
| Specification | Redmi 15a | Redmi 8 |
|---|---|---|
| Body Colors | Black, Blue, Purple | Black, Red, Blue |
| Body Thickness | 8.2 mm Best value | 9.4 mm |
| Body Width | 79.5 mm | 75.4 mm |
| Body Height | 171.6 mm | 156.5 mm |
| Weight | 210 g | 188 g Best value |
| Usable Surface | 84.3 % Best value | 81.8 % |
| Body Materials | Plastic | Glass, Plastic |
| Resistance Features | IP52 | Water Resistant |
Battery
| Specification | Redmi 15a | Redmi 8 |
|---|---|---|
| Battery Capacity | 6,300 mAh Best value | 5,000 mAh |
| Battery Type | Li-Polymer | Li-Polymer |
| Fast Charge Power | 15 W | 18 W Best value |
| Battery Features | Fast Charging, Non-Removable, Rechargeable, Battery Level Indicator, Reverse Charging Best value | Fast Charging, Battery Level Indicator, Rechargeable |
Display
| Specification | Redmi 15a | Redmi 8 |
|---|---|---|
| Display Aspect Ratio | 20:9 | 19:9 |
| Display Technology | IPS LCD | IPS LCD |
| Peak Display Brightness | 800 nits Best value | 400 nits |
| Display Diagonal | 6.9″ Best value | 6.22″ |
| Display Horizontal Resolution | 720 px | 720 px |
| Display Vertical Resolution | 1,600 px Best value | 1,520 px |
| Display Pixel Density | 254 ppi | 270 ppi Best value |
| Display Refresh Rate | 120 Hz Best value | 60 Hz |
| Touch Sampling Rate | 240 Hz | — |
| Display Features | Water Drop Notch, TÜV Rheinland Low Blue Light, TÜV Rheinland Flicker-Free Certified, TÜV Rheinland Eye Comfort Certification, Curved Glass, Capacitive Touch, Multi-Touch, Frameless | Gorilla Glass 5, IPS LCD, Touchscreen |
Sensors
| Specification | Redmi 15a | Redmi 8 |
|---|---|---|
| Fingerprint Sensor Placement | Side | Rear |
Sensor
| Specification | Redmi 15a | Redmi 8 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Compass, Cooling System, Light Sensor, Proximity Sensor | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass |
Software
| Specification | Redmi 15a | Redmi 8 |
|---|---|---|
| Operating System | Android 16 | Android 9 |
| OS Family | Android | Android |
| OS Version | 16 Best value | 9 |
| Google Services | Yes | — |
| Widevine L1 | Yes | — |
Connectivity
| Specification | Redmi 15a | Redmi 8 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | Dual Nano-SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B5, 3G UMTS B8, 3G UMTS B3, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B8, LTE B28, 4G LTE B28B, 4G LTE B40, 4G LTE B41, 5G NR n1, 5G NR n3, 5G NR n5, 5G NR n8, 5G NR n28, 5G NR n28b, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n78 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, 4G LTE B38, 4G LTE B40 |
| Cellular Technologies | GSM, HSPA, LTE, 5G Best value | GSM, HSPA, UMTS, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) Best value | Wi-Fi 802.11 b/g/n, Wi-Fi 4 (802.11n) |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display | Wi-Fi Direct, Wi-Fi 802.11 b/g/n |
| Bluetooth Version | Bluetooth 5.4 Best value | Bluetooth 4.2 |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo Best value | GPS, GLONASS, Galileo, BeiDou |
| Connectivity Features | 3.5 mm Audio Jack, Virtual Proximity Sensing, FM Radio, USB Type-C, USB 2.0, USB OTG, USB Host 2.0, NFC, Computer Sync, OTA Sync, Tethering, VoLTE, USB Charging, USB Mass Storage | 3.5 mm Audio Jack, Infrared, FM Radio, USB Type-C, USB OTG, USB Charging |
| USB Version | USB 2.0 | USB 2.0 |
| SAR American Head | — | 0.34 W/kg |
| SAR American Body | — | 1 W/kg |
| SAR (EU) head | — | 0.23 W/kg |
| SAR (EU) body | — | 1.48 W/kg |
| Max. download speed | — | 150 Mbps |
| Max. upload speed | — | 75 Mbps |
Audio
| Specification | Redmi 15a | Redmi 8 |
|---|---|---|
| Microphone Count | — | 2 |
| Audio Features | Stereo Speakers, A2DP, LE Best value | A2DP, LE, Loudspeaker |
Technical
| Specification | Redmi 15a | Redmi 8 |
|---|---|---|
| Model numbers | — | M1908C3IC, MZB8255IN, M1908C3IG, M1908C3IH |