Screen size
Quick verdict
P4 leads the measured specs 11-4.
Measured wins
P3x
4
spec wins
Ties
7
equal specs
P4
11
spec wins
Overall winner
Screen size
Technology
P3x
GSM / HSPA / LTE / 5G
P4
GSM / HSPA / LTE / 5G
2G bands
P3x
GSM 850 / 900 / 1800 / 1900
P4
GSM 850 / 900 / 1800 / 1900
3G bands
P3x
HSDPA 850 / 900 / 2100
P4
HSDPA 850 / 900 / 2100
4G bands
P3x
1, 3, 5, 8, 28, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
Stereo speakers
P4
1, 3, 5, 8, 28, 40, 41
5G bands
P3x
1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA
P4
1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA
Speed
P3x
HSPA, LTE, 5G
P4
HSPA, LTE, 5G
Announced
P3x
2025, February 18
P4
2025, August 20
Status
P3x
Available. Released 2025, February 28
P4
Available. Released 2025, August 20
Dimensions
P3x
165.7 x 76.2 x 7.9 mm (6.52 x 3.00 x 0.31 in)
P4
163.3 x 75.9 x 7.6 mm (6.43 x 2.99 x 0.30 in)
Weight
P3x
197 g (6.95 oz)
P4
185 g (6.53 oz)
Build
P3x
Glass front, aluminum frame, plastic back or silicone polymer back (eco leather)
P4
Glass front, plastic frame, plastic back
SIM
P3x
Nano-SIM + Nano-SIM
P4
Nano-SIM + Nano-SIM
Other
P3x
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 2m for 30 min) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
P4
IP66 dust tight and water resistant (high pressure water jets)
Type
P3x
IPS LCD, 120Hz, 950 nits (peak)
P4
AMOLED, 1B colors, 144Hz, HDR10+, 3840Hz PWM, 1600 nits (HBM), 4500 nits (peak)
Size
P3x
6.72 inches, 109.0 cm2 (~86.3% screen-to-body ratio)
P4
6.77 inches, 110.9 cm2 (~89.5% screen-to-body ratio)
Resolution
P3x
1080 x 2400 pixels, 20:9 ratio (~392 ppi density)
P4
1080 x 2392 pixels (~388 ppi density)
Protection
P3x
ArmorShell glass
P4
-
OS
P3x
Android 15, Realme UI 6.0
P4
Android 15, Realme UI 6.0
Chipset
P3x
Mediatek Dimensity 6400 (6 nm)
P4
Mediatek Dimensity 7400 (4 nm)
CPU
P3x
Octa-core (2x2.5 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
P4
Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU
P3x
Mali-G57 MC2
P4
Mali-G615 MC2
Card slot
P3x
microSDXC (uses shared SIM slot)
P4
No
Internal
P3x
128GB 6GB RAM, 128GB 8GB RAM
P4
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Other
P3x
eMMC 5.1
P4
UFS 3.1
Dual
P3x
50 MP, f/1.8, 27mm (wide), 2.88", 0.61µm, PDAF Auxiliary lens
P4
50 MP, f/1.8, 27mm (wide), PDAF 8 MP, f/2.2, 112˚ (ultrawide)
Features
P3x
LED flash, HDR, panorama
P4
LED flash, HDR, panorama
Video
P3x
1080p@30/60fps
P4
4K@30fps, 1080p@30/60/120fps, gyro-EIS
Single
P3x
8 MP, f/2.0, (wide)
P4
16 MP, f/2.4, (wide)
Features
P3x
Panorama
P4
Panorama
Video
P3x
1080p@30fps
P4
1080p@30fps
Loudspeaker
P3x
Yes
P4
Yes, with stereo speakers
3.5mm jack
P3x
No
P4
No
Other
P3x
24-bit/192kHz Hi-Res audio
P4
24-bit/192kHz Hi-Res audio
WLAN
P3x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
P4
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
P3x
5.3, A2DP, LE, aptX HD, BLE Audio
P4
5.4, A2DP, LE
Positioning
P3x
GPS, GALILEO, GLONASS, QZSS, BDS
P4
GPS, GALILEO, GLONASS, BDS
NFC
P3x
No
P4
No
Radio
P3x
No
P4
Unspecified
USB
P3x
USB Type-C 2.0, OTG
P4
USB Type-C 2.0, OTG
Infrared port
P3x
-
P4
Yes
Sensors
P3x
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
P4
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
P3x
Si/C Li-Ion 6000 mAh
P4
Si/C Li-Ion 7000 mAh
Charging
P3x
45W wired 5W reverse wired
P4
80W wired 10W reverse wired Bypass charging
Colors
P3x
Midnight Blue, Stellar Pink, Lunar Silver
P4
Steel Gray, Engine Blue, Forge Red
Models
P3x
RMX3944
P4
-
Price
P3x
About 140 EUR
P4
About 190 EUR