realme C21 (4 GB / 64 GB) vs Samsung Galaxy S23 Ultra (8 GB / 256 GB) Comparison

Screen Size

6.5 Inch

6.8 Inch

Screen/Body Ratio

81.27 %

89.41 %

Weight

190 Grams

233 Grams

Camera Resolution

13 MP

200 MP

Storage Capacity

64 GB

256 GB

Internal Memory (RAM)

4 GB

8 GB

Chipset

MediaTek Helio G35

Qualcomm Snapdragon 8 Gen 2 (SM8550-AB)

CPU Frequency

2.3 GHz

3.36 GHz

Screen Resolution

720x1600 (HD+) Pixel

1440x3088 (QHD+) Pixel

Video Recording Resolution

1080p (Full HD)

4320p (Ultra HD) 8K

Battery Capacity

5000 mAh

Head SAR

0.709 W/kg

0.963 W/kg

OS Version

Android 10 (Q)

Android 13 (T)

Screen Size

6.5 Inch

6.8 Inch

Display Technology

IPS LCD

Dynamic AMOLED

Screen Resolution

720x1600 (HD+) Pixel

1440x3088 (QHD+) Pixel

Screen Resolution Standard

HD+

QHD+

Pixel Density (PPI)

270 PPI

500 PPI

Screen Refresh Rate

60 Hz

120 Hz

Aspect Ratio

20:9

19.25:9

Screen Area

101.11 cm²

114.11 cm²

Screen Features

400 cd/m² (nit) Brightness Notch Full Screen Display Water-Drop Notch Multi-Touch

1200 cd/m² (nits) Brightness (HBM) 1750 cd/m² (nit) Brightness(Max.) Full Screen Display Scratch Resistant Glass DCI-P3 Wide Color Gamut Dynamic AMOLED 2X 3D Curved Edge In-Display Camera HDR HDR10 HDR10+ Low-Temperature Polycrystalline Oxide (LTPO) Multi-Touch Always-on Display

Screen Protection

Corning Gorilla Glass Victus 2

Touch Screen Technology

Capacitive Touchscreen

Color Depth

16 Million

Screen/Body Ratio

81.27 %

89.41 %

Battery Capacity

5000 mAh

Talk Time (4G)

49 Hours

Standby Time (4G)

1128 Hours

Internet Usage (WiFi)

25 Hours

Internet Usage (4G)

25 Hours

Video Playing

26 Hours

Video Player Note

Wireless

Audio Playing

99 Hours

Audio Playing Info

Wireless

Charging Type

Micro-USB

USB Type-C

Battery Technology

Lithium Ion (Li-Ion)

Fast Charge

No

Yes

Fast Charge Power

45 W

Fast Charge Features

Fast Charge (45W)

Wireless Charge

No

Yes

Wireless Charge Features

Wireless Quick Charge (15W) Wireless Quick Charge

Removable Battery

No

Battery Features

5V/2A Charging Support

Camera Resolution

13 MP

200 MP

Optical Image Stabilization (OIS)

No

Yes

Camera Features

5-element Lens HDR Macro Shot (4 cm) Auto Focus Panorama Phase Detect Auto-Focus (PDAF) Portrait Mode

0.6µm (2.4µm) Pixel 85° Angle Internal QR Code Reader Dual Pixel Camera HDR Laser Auto Focus-LDAF Auto Focus Panorama Shutter Speed Control Shutter Speed: 30s Phase Detect Auto-Focus (PDAF) Portrait Mode RAW Recording Burst Mode Voice Control AI Scene Detection Timer

Flash

LED

Aperture Size

F2.2

F1.7

Focal Length

23 mm

Video Recording Resolution

1080p (Full HD)

4320p (Ultra HD) 8K

Video FPS

30 fps

Video Recording Features

Timelapse Video Recording Slow Motion Video

Electronic Image Stabilization (EIS) HDR HDR (8K) HDR10+ Focus Tracking Portrait Mode (Bokeh) Timelapse Video Recording Slow Motion Video

Video Recording Options

1080p @ 120fps 1080p @ 60fps 1080p @ 30fps 2160p @ 60fps 2160p @ 30fps 2160p @ 24fps 4320p @ 30fps 4320p @ 24fps

Slow Motion FPS Options

1080p @ 960fps 1080p @ 240fps

Second Rear Camera

Yes

Second Rear Camera Resolution

2 MP

12 MP

Second Rear Camera Aperture

F2.4

F2.2

Second Rear Camera Features

3 Element (3P) Lens Macro Shot

1.4μm Pixel 13mm Ultra Wide Angle Ultra Wide Angle (120°) Auto Focus Phase Detect Auto-Focus (PDAF) Phase Detect Auto-Focus - PDAF (Dual Pixel)

Third Rear Camera

Yes

Third Rear Camera Resolution

2 MP

10 MP

Third Rear Camera Aperture

F2.4

Third Rear Camera Features

3 Element Lens Bokeh (Background Blur)

1.12μm Pixel 36˚ Angle 69mm Optical Image Stabilization (OIS) Optical Zoom (3x) Auto Focus Phase Detect Auto-Focus (PDAF) Phase Detect Auto-Focus - PDAF (Dual Pixel) Telephoto

Fourth Rear Camera

Yes

Fourth Rear Camera Resolution

10 MP

Fourth Rear Camera Aparture

F4.9

Fourth Rear Camera Features

1.12μm Pixel 100x Digital Zoom 11˚ Angle 230mm Optical Image Stabilization (OIS) Optical Zoom (10x) Auto Focus Periscope Zoom Phase Detect Auto-Focus - PDAF (Dual Pixel) Telephoto

Front Camera Resolution

5 MP

12 MP

Front Camera Video Resolution

1080p

2160p

Front Camera FPS

30 fps

60 fps

Front Camera Aperture Size

F2.2

Front Camera Features

3-element Lens HDR Panorama Selfie Portrait Mode Screen Flash Time-Lapse AI Beautification Face Detection

1.12μm Pixel 25mm 80 degree Angle Electronic Image Stabilization (EIS) Gesture Shot HDR HDR10+ Fast Focus Auto Focus Panorama Selfie Phase Detect Auto-Focus (PDAF) Phase Detect Auto-Focus - PDAF (Dual Pixel) Portrait Mode Screen Flash Voice Command Time-Lapse Portrait Mode Video Recording Slow Motion Video Recording Self-timer

DxOMark Camera (v5)

140 Points

Chipset

MediaTek Helio G35

Qualcomm Snapdragon 8 Gen 2 (SM8550-AB)

CPU Frequency

2.3 GHz

3.36 GHz

CPU Core

8 cores

CPU

Quad-core 2.3 GHz ARM Cortex-A53

1x 3.36 GHz ARM Cortex-X3

First Coprocessor

Quad-Core 1.8 Ghz ARM Cortex-A53

2x 2.8 GHz ARM Cortex-A710 2x 2.8 GHz ARM Cortex-A715

Second Coprocessor

3x 2.0 GHz ARM Cortex-A510

CPU Architecture

64-bit

GPU

PowerVR GE8320

Adreno (Snapdragon 8 Gen 2)

GPU Frequency

680 MHz

719 MHz

Lithography

12 nm

4 nm

AnTuTu Score (v9)

132.700 Points

1.214.500 Points

AnTuTu Score (v10)

1.542.300 Points

Geekbench 5 (Single-core)

170 Points

1.525 Points

Geekbench 5 (Multi-core)

975 Points

4.835 Points

Geekbench 6 (Single-core)

2.010 Points

Geekbench 6 (Multi-core)

5.330 Points

Internal Memory (RAM)

4 GB

8 GB

RAM Type

LPDDR4x

LPDDR5X

Storage Capacity

64 GB

256 GB

Storage Type

UFS 4.0

Memory Card Support

Yes

No

Expandable Memory Support Max

256 GB

Other RAM Options

3/4GB RAM Options

8/12GB RAM Options

Other Storage Options

32/64GB Storage Options

256/512GB/1TB Storage Options

Height

165.2 mm

163.4 mm

Width

76.4 mm

78.1 mm

Depth

8.9 mm

Weight

190 Grams

233 Grams

Colour Options

Blue Black

Gold Purple Black Green

Body Material (Cover)

Plastic

Glass

Body Material (Frame)

Plastic

Aluminium

2G

Yes

3G

Yes

4G

Yes

4G Download

2000 Mbps

4G Upload

200 Mbps

4G Technology

LTE (Cat.20)

4G Features

VoLTE (Voice over LTE) Support

LTE Advanced Pro

Yes

5G

No

Yes

Operating System

Android

OS Version

Android 10 (Q)

Android 13 (T)

Upgradable Version

Android 11

Android 14

User Interface (UI)

realme UI

Samsung One UI

User Interface Version

Samsung One UI 5.1

Wi-Fi Bands

Wi-Fi 4 (802.11 b/g/n)

Wi-Fi 6E (802.11 a/b/g/n/ac/ax)

Wi-Fi Features

Wi-Fi Hotspot

1024QAM 3 Band (2.4/5/6GHz) Dual-Band HE160 MIMO MiraCast MU-MIMO VoWiFi (Voice over Wi-Fi) Wi-Fi Direct Wi-Fi Hotspot

NFC

No

Yes

Bluetooth Version

5.0

5.3

IR Blaster

No

Navigation Features

A-GPS GLONASS GPS BDS

Galileo QZSS GLONASS GPS BDS

FM Radio

No

Speaker Features

Mono

Double Speakers Stereo

Earphone Jack

3.5 mm

USB Type-C

Water Resistance

No

Yes

Water Resistance Level

IPX8

Dust Resistance

No

Yes

Dust Resistance Level

IP6X

Video Call (App)

Yes

Sensors

Accelerometer Ambient Light Compass Proximity

Barometer Hall Accelerometer Gyroscope Ambient Light Compass Proximity

Fingerprint Sensor

Yes

Fingerprint Sensor Features

on Back

In Screen Ultrasonic Sensor

LED Notification Light

No

Head SAR

0.709 W/kg

0.963 W/kg

Body SAR

1.109 W/kg

1.398 W/kg

Services and Applications

Dark Mode Charge Other Devices By USB OTG Face Recognition

USB Version

2.0

3.1 Gen 1 (USB 3.0)

USB Interface

Micro-USB

USB Type-C

USB Features

USB On-the-go (OTG)

DisplayPort DisplayPort (4K@60fps) USB On-the-go (OTG)

Number of SIM

Dual SIM

Dual-SIM Feature

3 Slot (SIM1+SIM2+MicroSD)

SIM

Nano-SIM (4FF)

eSIM Nano-SIM (4FF)

Release Year

2021

2023

Announce-Date

2021, March

2023, February

Serie

realme C

Samsung Galaxy S Serie

Sub Serie

Samsung Galaxy S23