Xiaomi
Side-by-side technical data
Xiaomi Redmi 15a vs Xiaomi 18 Pro Max
Compare up to four phones using typed, normalized technical data. Measurements stay numeric, capabilities stay boolean, and options stay comparable.
The verdict
Your pick: Xiaomi 18 Pro Max, ahead on Design & display, Performance & hardware, Camera, Connectivity and Battery & charging.
| Category | Redmi 15a | 18 Pro Max |
|---|---|---|
| Design & display | 5.1 | 8.4 |
| Performance & hardware | 4.2 | 9.5 |
| Camera | 3.4 | 8.8 |
| Connectivity | 6.8 | 8.4 |
| Battery & charging | 6.5 | 9.7 |
Which one is for you?
Xiaomi Redmi 15a, if you care about…
- Weight
- 210 g
- against 235 g
- Expandable Storage
- Yes
- against No
- Google Services
- Yes
- against No
Xiaomi 18 Pro Max, if you care about…
- Battery Capacity
- 8,000 mAh
- against 6,300 mAh
- RAM Capacity
- 16 GB
- against 6 GB
- Wi-Fi Standards
- Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 6 (802.11ax), Wi-Fi 6E, Wi-Fi 7 (802.11be)
- against Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
- Storage Type
- UFS 4.1
- against UFS 2.2
Specification comparison
Performance
| Specification | Redmi 15a | 18 Pro Max |
|---|---|---|
| Processor Model | Unisoc T8300 | Qualcomm Snapdragon 8 Elite Gen 6 |
| Processor Process Size | 6 nm | 2 nm Best value |
| Graphics GPU | Mali-G57 MC2 | — |
| Storage Type | UFS 2.2 | UFS 4.1 Best value |
| Maximum CPU Clock | 2.2 GHz | 5.01 GHz Best value |
| Maximum Storage Capacity | 128 GB | 256 GB Best value |
| AnTuTu Score | 479,500 | 4,451,738 |
| Geekbench 6 Single-Core | 908 | 4,327 Best value |
| Geekbench 6 Multi-Core | 2,221 | 12,873 Best value |
| CPU Description | Octa-core CPU with 2 Cortex-A78 cores at 2.2 GHz and 6 Cortex-A55 cores at 2.0 GHz. | 2×5 GHz Prime + 6×4 GHz Performance |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 6 GB | 16 GB Best value |
| RAM Type | LPDDR4X | LPDDR5X Best value |
| Expandable Storage | Yes Best value | No |
| AnTuTu version | v10 | — |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | — | — |
Design
| Specification | Redmi 15a | 18 Pro Max |
|---|---|---|
| Body Colors | Black, Blue, Purple | White, Blue, Red, Pink, Grey |
| Body Thickness | 8.2 mm Best value | 8.39 mm |
| Body Width | 79.5 mm | 77.6 mm |
| Body Height | 171.6 mm | 163.39 mm |
| Weight | 210 g Best value | 235 g |
| Usable Surface | 84.3 % | 92 % Best value |
| Body Materials | Plastic | Aluminium Alloy, Ceramics, Titanium Best value |
| Resistance Features | IP52 | IP68, IP69 Best value |
| Waterproof Depth | — | — |
| Drop Resistance Class | — | — |
| Repairability Class | — | — |
| Foldable | No | No |
| Rugged Build | No | No |
| Drop Test Count | — | — |
| Unfolded thickness | — | — |
| QWERTY keyboard | — | — |
Battery
| Specification | Redmi 15a | 18 Pro Max |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 6,300 mAh | 8,000 mAh Best value |
| Battery Type | Li-Polymer | Si-Carbon Li-Ion Best value |
| Fast Charge Power | 15 W | 100 W Best value |
| Battery Features | Fast Charging, Non-Removable, Rechargeable, Battery Level Indicator, Reverse Charging | Fast Charging, Wireless Charging, Reverse Charging, Reverse Wireless Charging, Non-Removable, Battery Level Indicator, Rechargeable Best value |
| Battery Endurance | — | — |
| Wireless charging power | — | 50 W |
| Charge cycles | — | — |
| Talk time | — | — |
| Standby time | — | — |
| Music playback time | — | — |
| Reverse wireless charging power | — | — |
Display
| Specification | Redmi 15a | 18 Pro Max |
|---|---|---|
| Display Aspect Ratio | 20:9 | 19.5:9 |
| Display Technology | IPS LCD | AMOLED Best value |
| Peak Display Brightness | 800 nits | 4,000 nits Best value |
| Display Diagonal | 6.9″ | 6.9″ |
| Display Horizontal Resolution | 720 px | 1,208 px Best value |
| Display Vertical Resolution | 1,600 px | 2,624 px Best value |
| Display Pixel Density | 254 ppi | 419 ppi Best value |
| Display Refresh Rate | 120 Hz | 120 Hz |
| Touch Sampling Rate | 240 Hz | 300 Hz Best value |
| Display Contrast Ratio | — | — |
| 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 | Hole-Punch Notch, 2160Hz PWM, Variable Refresh Rate, Always-On Display, HDR10+, DCI-P3, DC Dimming, Dolby Vision, Scratch Resistant, Dragontrail Glass, Xiaomi Longjing Glass, Capacitive Touch, Multi-Touch, Frameless, LTPO, Secondary Display |
| Integrated Projector | No | No |
| Projector Brightness | — | — |
| Projector Horizontal Resolution | — | — |
| Projector Vertical Resolution | — | — |
| Cover display diagonal | — | — |
| Cover display refresh rate | — | — |
| Cover display peak brightness | — | — |
| Display colors | — | — |
Sensors
| Specification | Redmi 15a | 18 Pro Max |
|---|---|---|
| Fingerprint Sensor Placement | Side | Under Display |
Sensor
| Specification | Redmi 15a | 18 Pro Max |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Compass, Cooling System, Light Sensor, Proximity Sensor | Cooling System, Fingerprint Sensor, Accelerometer, Barometer, Compass, Gyroscope, Hall Sensor, Light Sensor, Proximity Sensor, RGB Sensor |
Software
| Specification | Redmi 15a | 18 Pro Max |
|---|---|---|
| Operating System | Android 16 | Android 17 |
| OS Family | Android | Android |
| OS Version | 16 | 17 Best value |
| OS Update Support | — | 5 years |
| Direct OS Updates | No | No |
| Google Services | Yes Best value | No |
| Web browser | — | — |
| Java (J2ME) | — | — |
| Widevine L1 | Yes | Yes |
Connectivity
| Specification | Redmi 15a | 18 Pro Max |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | Dual Nano-SIM, Dual SIM Dual Standby |
| 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 1900, 2G GSM 1800, 2G GSM 850, 2G GSM 900, 3G UMTS B1, 3G UMTS B2, 3G UMTS 1700 AWS, 3G UMTS B5, 3G UMTS B6, 3G UMTS B8, 3G UMTS B19, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B14, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B25, 4G LTE B26, 4G LTE B28A, 4G LTE B28B, 4G LTE B29, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B42, 4G LTE B43, 4G LTE B48, 4G LTE B66, 4G LTE B71, 5G NR n1, 5G NR n2, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n12, 5G NR n13, 5G NR n14, 5G NR n18, 5G NR n20, 5G NR n25, 5G NR n26, 5G NR n28a, 5G NR n28b, 5G NR n29, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n48, 5G NR n66, 5G NR n70, 5G NR n71, 5G NR n77, 5G NR n78, 5G NR n80, 5G NR n81, 5G NR n83A, 5G NR n83B, 5G NR n84, 5G NR n89 |
| Cellular Technologies | GSM, HSPA, LTE, 5G | — |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) | Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 6 (802.11ax), Wi-Fi 6E, Wi-Fi 7 (802.11be) Best value |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO |
| Bluetooth Version | Bluetooth 5.4 | Bluetooth 6.2 Best value |
| Bluetooth Profiles | A2DP, LE | A2DP, LE, aptX, LDAC, SBC, AAC, aptX Adaptive |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, QZSS, Galileo, NavIC Best value |
| 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 | Computer Sync, DLNA, Infrared, NFC, OTA Sync, Tethering, VoLTE, VoNR, USB Charging, USB Mass Storage, USB Host 3.2, USB OTG, USB Type-C, USB 3.2 Gen 2 |
| USB Version | USB 2.0 | USB 3.2 Gen 2 Best value |
| SAR American Head | — | — |
| SAR American Body | — | — |
| SAR (EU) head | — | — |
| SAR (EU) body | — | — |
| Messaging | — | — |
| Max. download speed | — | — |
| Max. upload speed | — | — |
Audio
| Specification | Redmi 15a | 18 Pro Max |
|---|---|---|
| Microphone Count | — | 2 |
| Audio Features | Stereo Speakers, A2DP, LE | Dolby Atmos, Hi-Res Audio, Stereo Speakers, A2DP, LE, aptX, LDAC, SBC, AAC, aptX Adaptive |
| Alert types | — | — |
Technical
| Specification | Redmi 15a | 18 Pro Max |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | Redmi 15a | 18 Pro Max |
|---|---|---|
| Built-in functions | — | — |
