realme 15x 5G vs Samsung Galaxy S25 Ultra

realme
15x 5G

Samsung
Galaxy S25 Ultra
At a glance
- Brand
- realme
- Samsung
- Release date
- October 2025, 8 months ago
- January 2025, 1 years 5 months ago
- AnTuTu
- 409.000 Antutu v10 Overall performance better than 67% of devices
- 3.135.223 Antutu v11 Overall performance better than 98% of devices
- Launch price
- —
- € 1,459.00 ($ 1,703.81)
Display
- Size
- 6.8"
- 6.86"
- Resolution
- 720 x 1570 px HD+
- 1440 x 3120 px WQHD+
- Type
- AMOLED
- AMOLED Dynamic LTPO Amoled 2X
- Density
- 254 ppi Medium Density
- 505 ppi Very high density
- Aspect ratio
- 20:9
- 19.5:9
- Features
- Hole-punch Notch, Refresh rate 144 Hz, Brightnes 600 cd/m² (typ), Peak brightness - 2000 cd/m², Max brightness HBM - 1200 cd/m², 1500:1 contrast ratio, 6000000:1 contrast ratio, HDR, DCI-P3, 83% NTSC, Scratch resistant, 2.5D glass screen, Capacitive, Multi-touch, Frameless
- Hole-punch Notch, 24-120 Hz refresh rate, Refresh rate 120 Hz, Variable Refresh Rate (VRR), Peak brightness - 2600 cd/m², Always-On Display, HDR10+, DCI-P3, DC dimming, Scratch resistant, Corning Gorilla Glass Armor, S-Pen, Capacitive, Multi-touch, Frameless, LTPO (Low Temperature PolySilicon oxide)
Performance
- Chipset
- MediaTek Dimensity 6300
- Qualcomm Snapdragon 8 Elite
- CPU
- 2x2.4 GHz ARM Cortex A76 +6x2.0 GHz ARM Cortex A55
- 2x4.32 GHz Oryon V2 Phoenix L+ 6x3.53 GHz Oryon V2 Phoenix M
- CPU type
- Octa-Core
- Octa-Core
- Process
- 6 nm
- 3 nm
- Frequency
- 2.4 GHz
- 4.32 GHz
- GPU
- Arm Mali-G57 MC2
- Adreno 830
- RAM
- 6 GB
- 12 GB
- RAM type
- LPDDR4X RAM
- RAM LPDDR5X
- 64-bit
- Yes
- Yes
Rear camera
- Resolution
- 50 Mpx
- 200 Mpx
- Aperture
- ƒ/ 1.8
- ƒ/ 1.7
- Sensor
- Sony IMX852
- Samsung ISOCELL HP2
- Flash
- LED
- LED
- Optical stabilization
- No
- Yes
- Slow motion
- No, 30 fps
- Yes, 240 fps
- Features
- Flicker sensor, 4K Video, Digital zoom, Digital image stabilization, Autofocus, Touch focus, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer
- Night Mode 2.0, 4K Video, 8K Video, Digital zoom, Optical zoom, Quadruple camera, Digital image stabilization, Optical Stabilization (OIS), 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, RAW
- Pixel size
- —
- 1.00 µm
- Sensor size
- —
- 1/1.3"
Front camera
- Resolution
- 50 Mpx
- 12 Mpx
- Aperture
- ƒ/ 2.4
- ƒ/ 2.2
- Sensor
- Omnivision OV50D40 Light Hunter 400
- Samsung S5K3LU
- Pixel size
- 0.61 µm
- —
Battery
- Capacity
- 7000 mAh
- 5000 mAh
- Type
- Li-Polymer
- Li-Ion
- Fast charge
- Yes , 60.0W
- Yes , 45.0W
- Features
- Reverse charging, Non-removable
- Bypass Charging, Wireless charging, Reverse charging, Non-removable
- Wireless charging
- —
- 25W wireless charging, 4.5W reverse wireless charging
- Charge cycles
- —
- 2000 cycles
- Runtime
- —
- ~ 45h
Storage
- Capacity
- 128 GB
- 256 GB
- Type
- UFS Storage 3.1
- UFS Storage 4.0
- SD slot
- Yes , Slot for SD or second SIM card
- No
Body
- Dimensions
- 77.9 mm 166.0 mm 8.2 mm Print 3D Model
- 77.6 mm 162.8 mm 8.2 mm Print 3D Model
- Weight
- 212 g
- 219 g
- Materials
- Plastic
- Titanium
- Colors
- Blue Red Cyan
- Black Blue Silver Pink Gray Green Night Black
- Water/dust resistance
- IP69
- IP68
- Usable surface
- 87 %
- 91 %
- Drop resistance
- —
- Class A B C D E 270 drops without defects
- Repairability
- —
- Class A B C D E
Software
- Operating system
- Android 16 RealmeUI 7.0 (Android 16)
- Android 16 Android 16
- Google services
- With Google Mobile Services
- With Google Mobile Services
- Updates
- —
- OS updates: 7 years, Security updates: 7 years
Connectivity
- SIM
- Dual SIM Dual Standby (Nano SIM + Nano SIM)
- Dual SIM Dual Standby (Nano SIM / eSIM + Nano SIM / eSIM)
- Bluetooth
- Bluetooth 5.3 LELow energy consumption
- Bluetooth 5.4 LELow energy consumption
- Bluetooth profiles
- A2DP (Advanced Audio Distribution Profile), EDR (Enhanced Data Rate), HID (Human Interface Profile), LE (Low Energy)
- A2DP (Advanced Audio Distribution Profile), AVRCP (Audio/Visual Remote Control Profile), DIP (Device ID Profile), HFP (Hands-Free Profile), HID (Human Interface Profile), HSP (Headset Profile), LE (Low Energy), MAP (Message Access Profile), PAN (Personal Area Networking Profile), OPP (Object Push Profile), PBAP/PAB (Phone Book Access Profile), ANT+, APT-x, LDAC, SBC
- Wi-Fi
- 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax)
- 802.11a , 802.11b , 802.11g , 802.11n , 802.11n 5GHz , 802.11ac, WiFi 6 (802.11ax) , WiFi 6E , WiFi 7 (802.11be)
- 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, Wi-Fi MiMO
- USB
- USB Type-C
- USB Type-C
- USB features
- Charging, OTG
- Charging, OTG
- Navigation
- GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo
- GPS, A-GPS, GLONASS, Beidou, QZSS, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a), QZSS (L1 + L5)
Networks
- 5G
- n1 (2100), n3 (1800), n5 (850), n8 (900), n28b (700), n40 (2300), n41 (2500), n77 (3700), n78 (3500)
- n1 (2100), n2 (1900 PCS), n3 (1800), n5 (850), n7 (2600), n8 (900), n12 (700), n20 (800), n25 (1900), n26 (850), n28b (700), n28a (700), n38 (2600), n40 (2300), n41 (2500), n66 (1700), n75 (1500), n77 (3700), n78 (3500)
- 4G LTE
- B1 (2100), B3 (1800), B5 (850), B8 (900), B28b (700), B40 (TDD 2300), B41 (TDD 2500)
- B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100 AWS 1), B5 (850), B7 (2600), B8 (900), B12 (700), B13 (700), B17 (700), B18 (800), B19 (800), B20 (800), B25 (1900+), B26 (850), B28b (700), B28a (700), B32 (1500), B38 (TDD 2600), B39 (TDD 1900), B40 (TDD 2300), B41 (TDD 2500), B66 (1700/2100)
- 3G
- B1 (2100), B2 (1900), B5 (850), B8 (900)
- B1 (2100), B2 (1900), B4 (1700/2100 AWS A-F), B5 (850), B8 (900)
- 2G
- B3 (1800), B5 (850), B8 (900)
- B2 (1900), B3 (1800), B5 (850), B8 (900)
Sensors & security
- Fingerprint
- Yes, in screen
- Yes, in screen
- Accelerometer
- Yes
- Yes
- Proximity
- Yes
- Yes
- Light sensor
- Yes
- Yes
- Cooling system
- No
- Yes
- Audio
- Noise cancellation microphone, 2 microphones
- Noise cancellation microphone, Stereo Speakers
- Gyroscope
- —
- Yes
- Barometer
- —
- Yes
- Compass
- —
- Yes

















