Apple iPhone 3GS

Samsung Galaxy A51

browser

java

No

os

iOS 6.1.6

Android 10.0; One UI 2

RAM

0.25 GB

6 GB

ROM

16 GB

128 GB

expandable

512 GB

CPU

Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)

GPU

PowerVR SGX535

Mali-G72 MP3

SoC

Exynos 9611 (10nm)

number of cores

8core

speed

600 MHz Cortex-A8

features

LED flash, panorama, HDR

primary

3.15 MP AF

Quad:
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8m, PDAF
12 MP, f/2.2, 12mm (ultrawide)
5 MP, f/2.4, 25mm (macro), 1/5.0", 1.12m
5 MP, f/2.2, (depth)

secondary

32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8m

video

2160p@30fps, 1080p@30/60/120fps; gyro-EIS

Stand By

300 Hours

Talk Time

12 Hour(2G), 5 Hour(3G)

capacity

4000mAh

charging

Fast battery charging 15W

type

Li-Ion (non-removeable)

Li-Polymer (non-removable)

Display

TFT 320 x 480 pixels (~165 ppi pixel density)

Super AMOLED capacitive touchscreen, 16M colors, 102.0 cm2 (~87.4% screen-to-body ratio)

SIM

Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)

Weight

135 gm

172 gm

build

Glass front (Gorilla Glass 3), plastic back, plastic frame

dimension

158.5 x 73.6 x 7.9 mm

protection

Corning Gorilla Glass 3

resolution

1080 x 2400 pixels, 20:9 ratio (~405 ppi density)

screen

3.5"

6.5"

GPS

Yes, with A-GPS, GLONASS, GALILEO, BDS

NFC

Yes

USB

v2.0

2.0, Type-C 1.0 reversible connector, USB On-The-Go

bluetooth

v2.1 with A2DP, headset support only

5.0, A2DP, LE

internet

2G/3G/4G/LTE

wifi

802.11 b/g/n

Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot

radio

FM Radio

sensors

Accelerometer, proximity, compass, GPS, A-GPS

Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, ANT+