coolpad COOL 40i vs Xiaomi Redmi 15 4G

coolpad
COOL 40i

Xiaomi
Redmi 15 4G
At a glance
- Brand
- Coolpad
- Xiaomi
- Release date
- December 2024, 1 years 5 months ago
- August 2025, 9 months ago
- AnTuTu
- 155.000 Antutu v10 Overall performance better than 54% of devices
- 338.000 Antutu v10 Overall performance better than 63% of devices
Display
- Size
- 6.56"
- 6.9"
- Resolution
- 720 x 1612 px HD+
- 1080 x 2340 px FHD+
- Type
- LCD IPS
- LCD IPS
- Density
- 269 ppi Medium Density
- 374 ppi High Density
- Aspect ratio
- 20:9
- 20:9
- Features
- Water Drop Notch, Refresh rate 90 Hz, Brightnes 400 cd/m² (typ), 2.5D curved glass screen, Capacitive, Multi-touch
- Hole-punch Notch, TUV Rheinland Low Blue Light, TÜV Rheinland Flicker-free Certified, Refresh rate 144 Hz, Brightnes 700 cd/m² (typ), TÜV Rheinland Eye Comfort Certification, DCI-P3, Scratch resistant, Capacitive, Multi-touch, Frameless
Performance
- Chipset
- MediaTek Helio G37
- Qualcomm Snapdragon 685 (SM6225)
- CPU
- 8x2.3GHz Cortex A53
- 4x2.8 GHz Cortex A73 + 4x1.9GHz Cortex A53
- CPU type
- Octa-Core
- Octa-Core
- Process
- 12 nm
- 6 nm
- Frequency
- 2.3 GHz
- 2.8 GHz
- GPU
- PowerVR GE832
- Adreno 610
- RAM
- 4 GB
- 6 GB
- RAM type
- LPDDR4X RAM
- LPDDR4X RAM
- 64-bit
- Yes
- Yes
Rear camera
- Resolution
- 50 Mpx
- 50 Mpx
- Aperture
- ƒ/ 1.8
- ƒ/ 1.8
- Flash
- LED
- LED
- Optical stabilization
- No
- No
- Slow motion
- No, 30 fps
- Yes, 60 fps
- Features
- Digital zoom, Dual camera, Digital image stabilization, Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer
- Digital zoom, Triple camera, Digital image stabilization, Autofocus, Touch focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer
Front camera
- Resolution
- 8 Mpx
- 8 Mpx
- Aperture
- ƒ/ 2.0
- ƒ/ 2.0
Battery
- Capacity
- 4500 mAh
- 7000 mAh
- Type
- Li-Ion
- Li-Polymer
- Fast charge
- Yes , 10.0W
- Yes , 33.0W
- Features
- Non-removable
- Non-removable
- Charge cycles
- —
- 1000 cycles
- Runtime
- —
- ~ 62h
Storage
- Capacity
- 128 GB
- 128 GB
- Type
- eMMC 5.1 Storage
- UFS Storage 2.2
- SD slot
- Yes , Independent SD slot
- Yes , Slot for SD or second SIM card
Body
- Dimensions
- 77.0 mm 166.2 mm 8.3 mm Print 3D Model
- 82.1 mm 171.1 mm 8.0 mm Print 3D Model
- Weight
- 202 g
- 224 g
- Materials
- Polycarbonate
- Plastic
- Colors
- Black White Blue Pink
- Black Silver Violet
- Usable surface
- 80 %
- 83 %
- Water/dust resistance
- —
- IP64
- Drop resistance
- —
- Class A B C D E 270 drops without defects
- Repairability
- —
- Class A B C D E
Software
- Operating system
- Android 14 Upside-down cake Android 14
- Android 16 HyperOS 3.X (Android 16)
- Google services
- With Google Mobile Services
- With Google Mobile Services
- Updates
- —
- OS updates: 5 years
Connectivity
- SIM
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Bluetooth
- Bluetooth 5.0
- Bluetooth 5.1 LELow energy consumption
- Bluetooth profiles
- A2DP (Advanced Audio Distribution Profile)
- A2DP (Advanced Audio Distribution Profile), LE (Low Energy), APT-x, LDAC, SBC, AAC
- Wi-Fi
- 802.11b , 802.11g , 802.11n
- 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac
- Wi-Fi features
- Wi-Fi Hotspot
- Dual band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display
- USB
- USB Type-C
- USB Type-C
- USB features
- Charging, OTG
- Charging, OTG
- Navigation
- GPS, A-GPS, GLONASS, Beidou, Galileo
- GPS, A-GPS, GLONASS, Beidou, Galileo
Networks
- 4G LTE
- B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B28b (700), B28a (700), B34 (TDD 2100), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500)
- B1 (2100), B3 (1800), B5 (850), B7 (2600), B8 (900), B20 (800), B28b (700), B28a (700), B38 (TDD 2600), B40 (TDD 2300), B41 (TDD 2500)
- 3G
- B1 (2100), B2 (1900), B5 (850), B8 (900)
- B1 (2100), B5 (850), B8 (900)
- 2G
- CDMA BC0 (800), B2 (1900), B3 (1800), B5 (850), B8 (900)
- B2 (1900), B3 (1800), B5 (850), B8 (900)
Sensors & security
- Fingerprint
- Yes, on the side
- Yes, on the side
- Accelerometer
- Yes
- Yes
- Proximity
- Yes
- —
- Light sensor
- Yes
- Yes
- Cooling system
- No
- Yes
- Gyroscope
- —
- Yes
- Audio
- —
- Dolby Atmos
















