Samsung Galaxy Quantum 2 vs Xiaomi Redmi Note 15 Pro

Key Specs
Display 6.7"
Battery 4500 mAh
Camera 64 MP + 12 MP + 5 MP
Storage 128 GB 6 GB RAM
Network
TechnologyGSM / HSPA / LTE / 5G
2G bandsGSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66
5G bands78 SA/NSA
SpeedHSPA 42.2/5.76 Mbps, LTE-A, 5G
Launch
Announced2021, April 13
StatusComing soon. 2021, April 23
Body
Dimensions161.9 x 73.8 x 8.1 mm (6.37 x 2.91 x 0.32 in)
Weight176 g (6.21 oz)
SIMNano-SIM
Display for Samsung Galaxy Quantum 2
TypeDynamic AMOLED 2X, 120Hz, 1200 nits (peak)
Size6.7 inches, 108.4 cm2 (~90.7% screen-to-body ratio)
Resolution1440 x 3200 pixels, 20:9 ratio (~524 ppi density)
 120Hz@FHD / 60Hz@QHD refresh rate
Platform
OSAndroid 11, One UI 3.1
ChipsetQualcomm SM8150 Snapdragon 855+ (7 nm), QRNG security chipset
CPUOcta-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
GPUAdreno 640 (700 MHz)
Memory
Card slotmicroSDXC (dedicated slot)
Internal128GB 6GB RAM
Main Camera
Triple64 MP, f/1.8, 26mm (wide), 1/1.7X", 0.8µm, PDAF, OIS
12 MP, f/2.2, 123˚ (ultrawide), 1.12µm
5 MP, f/2.4, (macro)
FeaturesLED flash, panorama, HDR
Video4K@30fps, 1080p@30/60/240fps; gyro-EIS
Selfie camera
Single10 MP, f/2.2, (wide)
FeaturesHDR
Video1080p@30fps
Sound
Loudspeaker Yes, with stereo speakers
3.5mm jack No
Comms
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth5.0, A2DP, LE
GPSYes, with A-GPS, GLONASS, GALILEO, BDS
NFCYes
RadioNo
USBUSB Type-C 2.0, USB On-The-Go
Features
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
Battery
TypeLi-Po 4500 mAh, non-removable
ChargingFast charging 25W
space
Key Specs
Display 6.77""
Battery 6500 mAh
Camera 200 MP + 8 MP
Storage 256GB Built-in
Network
Technology GSM / HSPA / LTE / 5G
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 38, 40, 41, 42, 48, 66, 71
5G bands 1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA
Speed HSPA, LTE, 5G
Launch
Announced 2025, December 18
Status Available Released 2026, March 25
Body
Dimensions 163.22 x 76.29 mm x 7.96 mm
Weight 195 g (6.88 oz)
Build Glass front (Gorilla Glass Victus 2), plastic back or silicone polymer back (eco leather), plastic frame
SIM · Nano-SIM + eSIM
· Nano-SIM + Nano-SIM
 IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
Manufacturer-rated water-resistance (up to 2m for 24 hours)
Drop resistant up to 2.5m
Display for Xiaomi Redmi Note 15 Pro
Type AMOLED, 68B colors, 120Hz, 3840Hz PWM, HDR10+, Dolby Vision, 3200 nits (peak)
Size 6.77 inches, 114.5 cm2 (~89.7% screen-to-body ratio)
Resolution 2392 x 1080 pixels, 19.5:9 ratio (~447 ppi density)
Protection Corning Gorilla Glass Victus 2, Mohs level 5
Platform
OS Xiaomi HyperOS 2
Chipset MediaTek Helio G200-Ultra, Ultra6nm manufacturing process technology
CPU Octa-core processor, up to 2.2GHz
GPU Mali-G57 MC2
Memory
Card slot No
Internal 256GB 8GB RAM
 UFS 2.2
Main Camera
Dual 200 MP, OIS f/1.7 16-in-1 binning into one large 2.24μm pixel 1/1.4" sensor size 7P lens
8 MP, ultra-wide camera f/2.2
Features LED flash, HDR, panorama
Video 4K@30fps, 1080p@30/60/120fps, gyro-EIS, OIS
Selfie camera
Single 32 MP, 1/3.6" sensor size f/2.2 4P lens
Features HDR, panorama
Video 1080p@30/60fps
Sound
Loudspeaker Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack No
 24-bit/192kHz Hi-Res & Hi-Res wireless audio
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth 5.3, A2DP, LE
Positioning GPS, GALILEO, GLONASS, QZSS, BDS
NFC Yes (market/region dependent)
Infrared port Yes
Radio No
USB USB Type-C 2.0, OTG
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, compass, proximity
Battery
Type Si/C Li-Ion 6500 mAh
Charging 45W turbo charging
45W In-box charger