Screen size
equal specsP3x6.7"
P4x6.7"
Quick verdict
P4x leads the measured specs 6-4.
Measured wins
P3x
4
spec wins
Ties
12
equal specs
P4x
6
spec wins
Overall winner
Screen size
equal specsTechnology
P3x
GSM / HSPA / LTE / 5G
P4x
GSM / HSPA / LTE / 5G
2G bands
P3x
GSM 850 / 900 / 1800 / 1900
P4x
GSM 850 / 900 / 1800 / 1900
3G bands
P3x
HSDPA 850 / 900 / 2100
P4x
HSDPA 850 / 900 / 2100
4G bands
P3x
1, 3, 5, 8, 28, 40, 41
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront camera
equal specsBattery
Wired charging
equal specsWeight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
P4x
1, 3, 5, 8, 28, 40, 41
5G bands
P3x
1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA
P4x
1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA
Speed
P3x
HSPA, LTE, 5G
P4x
HSPA, LTE, 5G
Announced
P3x
2025, February 18
P4x
2025, December 04
Status
P3x
Available. Released 2025, February 28
P4x
Available. Released 2025, December 10
Dimensions
P3x
165.7 x 76.2 x 7.9 mm (6.52 x 3.00 x 0.31 in)
P4x
165.9 x 76 x 8.4 mm (6.53 x 2.99 x 0.33 in)
Weight
P3x
197 g (6.95 oz)
P4x
208 g (7.34 oz)
Build
P3x
Glass front, aluminum frame, plastic back or silicone polymer back (eco leather)
P4x
Glass front, plastic frame, plastic back
SIM
P3x
Nano-SIM + Nano-SIM
P4x
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
P4x
IP64 dust tight and water resistant (water splashes) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions Drop resistant up to 1.5m
Type
P3x
IPS LCD, 120Hz, 950 nits (peak)
P4x
IPS LCD, 144Hz, 800 nits (typ), 1000 nits (HBM)
Size
P3x
6.72 inches, 109.0 cm2 (~86.3% screen-to-body ratio)
P4x
6.72 inches, 109.0 cm2 (~86.5% screen-to-body ratio)
Resolution
P3x
1080 x 2400 pixels, 20:9 ratio (~392 ppi density)
P4x
1080 x 2400 pixels, 20:9 ratio (~392 ppi density)
Protection
P3x
ArmorShell glass
P4x
Scratch-resistant glass
OS
P3x
Android 15, Realme UI 6.0
P4x
Android 15, Realme UI 6.0
Chipset
P3x
Mediatek Dimensity 6400 (6 nm)
P4x
Mediatek Dimensity 7400 Ultra (4 nm)
CPU
P3x
Octa-core (2x2.5 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
P4x
Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU
P3x
Mali-G57 MC2
P4x
Mali-G615 MC2
Card slot
P3x
microSDXC (uses shared SIM slot)
P4x
Unspecified
Internal
P3x
128GB 6GB RAM, 128GB 8GB RAM
P4x
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 512GB 8GB RAM
Other
P3x
eMMC 5.1
P4x
UFS 3.1
Dual
P3x
50 MP, f/1.8, 27mm (wide), 2.88", 0.61µm, PDAF Auxiliary lens
P4x
50 MP, f/1.8, (wide), PDAF Auxiliary lens
Features
P3x
LED flash, HDR, panorama
P4x
LED flash, HDR, panorama
Video
P3x
1080p@30/60fps
P4x
4K@30fps, 1080p@30/60/120fps
Single
P3x
8 MP, f/2.0, (wide)
P4x
8 MP, f/2.0, (wide)
Features
P3x
Panorama
P4x
Panorama
Video
P3x
1080p@30fps
P4x
1080p@30fps
Loudspeaker
P3x
Yes
P4x
Yes, with stereo speakers
3.5mm jack
P3x
No
P4x
No
Other
P3x
24-bit/192kHz Hi-Res audio
P4x
-
WLAN
P3x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
P4x
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Bluetooth
P3x
5.3, A2DP, LE, aptX HD, BLE Audio
P4x
5.4, A2DP, LE
Positioning
P3x
GPS, GALILEO, GLONASS, QZSS, BDS
P4x
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
P3x
No
P4x
No
Radio
P3x
No
P4x
Unspecified
USB
P3x
USB Type-C 2.0, OTG
P4x
USB Type-C
Sensors
P3x
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
P4x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
P3x
Si/C Li-Ion 6000 mAh
P4x
Si/C Li-Ion 7000 mAh
Charging
P3x
45W wired 5W reverse wired
P4x
45W wired Bypass charging
Colors
P3x
Midnight Blue, Stellar Pink, Lunar Silver
P4x
Matte Silver, Elegant Pink, Lake Green
Models
P3x
RMX3944
P4x
-
Price
P3x
About 140 EUR
P4x
₹ 14,625