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LG K51S vs Realme 7i (Global)

What K51S does better (6) and where 7i (Global) wins (5) — every spec side by side.

LG K51S
LG · 2020K51S
5.5Score
6 advantages≈ $220
vs
Realme 7i (Global)
Realme · 20207i (Global)
5.5Score
5 advantages≈ $210
Higher score
3.8Display3.6
5.7Camera5.3
5.6Features3.9
Dimensions

Size comparison

K51S7i (Global)
76.7 × 165.28.375.9 × 164.59.8
K51S7i (Global)Difference
Height165.2 mm164.5 mm+0.7 mm
Width76.7 mm75.9 mm+0.8 mm
Thickness8.3 mm9.8 mm−1.5 mm
Weight194 g208 g−14 g

Drawn to the same scale from the official dimensions (front and side).

Why is K51S better than 7i (Global)?

  1. NFCYes · 7i (Global): No
  2. CPU frequency2.3 GHz vs 2 GHz+15%
  3. Weight194 g vs 208 g+7%
  4. Pixel density282 ppi vs 270 ppi+4%
  5. Selfie camera13 MP vs 8 MP+62%
  6. Thickness8.3 mm vs 9.8 mm+18%

Why is 7i (Global) better than K51S?

  1. Battery capacity4,000 mAh vs 6,000 mAh+50%
  2. Main camera32 MP vs 48 MP+50%
  3. RAM3 GB vs 4 GB+33%
  4. Wi-Fi standardWi-Fi 4 vs Wi-Fi 5+25%
  5. Screen-to-body ratio73.8% vs 81.7%+11%
Specifications

Side by side

LG K51SLG K51S≈ $2205.5
Design
Weight194 g208 g
Thickness8.3 mm9.8 mm
Height165.2 mm164.5 mm
Width76.7 mm75.9 mm
Glass protectionScratch-resistant glass—
ColoursTitanium, Pink, Blue, RedGlory Silver, Victory Blue
Display
Screen size6.6″6.5″
PanelIPS LCDIPS LCD
OLED panelNoNo
Resolution (width)720 px720 px
Resolution (height)1,600 px1,600 px
Pixel density282 ppi270 ppi
Refresh rate60 Hz60 Hz
Peak brightness—560 nits
Screen-to-body ratio73.8%81.7%
Performance
ChipsetMediatek MT6765 Helio P35Mediatek MT6769Z Helio G85
Chip makerMediaTekMediaTek
Process12 nm12 nm
CPU cores88
CPU frequency2.3 GHz2 GHz
GPUPowerVR GE8320Mali-G52 MC2
Memory
RAM3 GB4 GB
Storage (max)64 GB64 GB
Storage (base)64 GB64 GB
Storage typeeMMC 5.1eMMC 5.1
Memory card slotYesYes
Camera
Main camera32 MP48 MP
Main camera aperture—f/1.8
Main sensor size—1/2.0"
Rear cameras22
Optical stabilisationNoNo
Ultra-wide cameraYesYes
Telephoto cameraNoNo
Max video1080p1080p
Selfie camera13 MP8 MP
4K selfie videoNoNo
Battery
Battery capacity4,000 mAh6,000 mAh
Battery typeLi-Po—
Wired charging—18 W
Wireless charging—No
Connectivity
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 4Wi-Fi 5
Bluetooth55
NFCYesNo
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Satellite navigation—GLONASS, BDS
Features
Stereo speakersNoNo
3.5 mm headphone jackYesYes
Fingerprint sensorRearRear
SensorsFingerprint (rear-mounted), accelerometer, proximity, compassFingerprint (rear-mounted), accelerometer, proximity, compass
Software
OS at launchAndroid 9.0 (Pie)Android 10
PlatformAndroidAndroid

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