LG K51S vs Realme P4R

Product
LG K51S
180 USD
Realme P4R
180 USD

Price
180 USD
180 USD
Status
Available
Available
Brand
LG Mobiles
Realme Mobiles
Model No
K51S
Realme P4R

Launch Date
2020, April 27
2026, June 10

Technology
GSM / HSPA / LTE
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 2100
4G bands
1, 3, 7, 8, 20, 28, 38
LTE
Speed
HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps
HSPA, LTE, 5G
5G bands
SA/NSA

Dimensions
165.2 x 76.7 x 8.2 mm
166.4 x 78.2 x 8.8 mm (6.55 x 3.08 x 0.35 in)
Weight
194.5 g (6.88 oz)
224 g (7.90 oz)
Build
Scratch-resistant glass
IP65 dust tight and water resistant (low pressure water jets) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions Drop resistant up to 1.8m RGB notifications light (on the back)
SIM
Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Colors
Titanium, Pink, Blue, Red
Silver Glare, Titanium Glare, Lavender Glare

Type
IPS LCD capacitive touchscreen, 16M colors
IPS LCD, 144Hz, 600 nits (typ), 900 nits (HBM), 1200 nits (peak)
Size
6.55 inches, 93.6 cm2 (~73.8% screen-to-body ratio)
6.8 inches, 113.0 cm2 (~86.7% screen-to-body ratio)
Resolution
720 x 1600 pixels, 20:9 ratio (~282 ppi density)
720 x 1570 pixels, 19.5:9 ratio (~254 ppi density)

OS
Android 9.0 (Pie)
Android 16, Realme UI 7.0
Chipset
Mediatek MT6765 Helio P35 (12nm)
Mediatek Dimensity 6300 (6 nm)
CPU
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
PowerVR GE8320
Mali-G57 MC2

RAM
3GB
4GB/6GB
Storage
64GB Built-in, eMMC 5.1
128GB/256GB
Card Slot
microSDXC (dedicated slot)
microSDXC

Lens 1
32 MP, (wide), PDAF
50 MP, f/1.8, (wide), AF
Lens 2
5 MP, f/2.2, 115˚, (ultrawide)
Lens 3
2 MP, f/2.4, (macro)
Lens 4
2 MP, f/2.4, (depth)
Features
Quad Camera: 32 MP, (wide), PDAF + 5 MP, (ultrawide) + 2 MP (macro) + 2 MP (depth), LED Flash Features Geo-tagging, touch focus, face/smile detection, panorama, HDR, Video (1080p@30fps) Front 13 MP, Video (1080p@30fps)
LED flash, HDR, panorama
Video
1080p@30fps

Lens 1
13 MP
8 MP, f/2.2, (wide)
Video
1080p@30fps
1080p@30fps

Capacity
(Li-Po Non removable), 4000 mAh
Si/C Li-Ion 8000 mAh
Charging
45 wired, PPS, 13.5W PD 27W reverse wired

Sensors
Fingerprint (rear-mounted), accelerometer, proximity, compass
Fingerprint (side-mounted), accelerometer, proximity, compass

Loudspeaker
Yes
Yes
3.5mm jack
3.5mm Audio Jack, MP4/DviX/XviD/H.265/WMV player, MP3/WAV/FLAC/eAAC+/WMA player,

WLAN
Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, DLNA, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.0, A2DP, LE
5.3, A2DP, LE
GPS
Yes, with A-GPS
GPS, GALILEO, GLONASS, QZSS, BDS
NFC
Yes
USB
2.0, Type-C 1.0 reversible connector, USB On-The-Go
USB Type-C 2.0, OTG