Samsung Galaxy S21 5G vs Motorola Moto G (2023) - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 29, 2021 May 25, 2023
Release Year 2021 2023

Physical

Volume 85.33 cm³ 103.32 cm³
Screen Size to Weight Ratio 3.67 "/g 3.44 "/g
Weight 169 g 189 g
Height 151.7 mm 164 mm
Width 71.2 mm 75 mm
Thickness 7.9 mm 8.4 mm
Foldable Design No No
Available Colors
  • Phantom White
  • Phantom Gray
  • Phantom Violet
  • Phantom Pink
  • Ink Blue

Display

Screen Size 6.2 " 6.5 "
Resolution 1080 x 2400 720 x 1600
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 85.9 % 82.9 %
Pixel Density 421 PPI 270 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness 1300 nits N/A

Hardware

Battery Capacity per Screen Area 104.06 mAh/in² 118.34 mAh/in²
Battery Density 46.88 mAh/cm³ 48.39 mAh/cm³
Battery Capacity 4000 mAh 5000 mAh
NFC Support Yes No
Chipset Exynos 2100 (5 nm) - International Qualcomm SM4350-AC Snapdragon 480+ 5G (8 nm)
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (2x2.2 GHz Kryo 460 & 6x1.8 GHz Kryo 460)
GPU Mali-G78 MP14 - International Adreno 619

Connectivity

USB Version 3.2 2.0
OTG Support 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 3.2, OTG USB Type-C 2.0

Software

Operating System Android Android
Initial OS Version 11 13
Maximum OS Version 15

Comparison Summary

1. Specifications Comparison

FeatureSamsung Galaxy S21 5GMotorola Moto G (2023)Practical Impact
Design
Dimensions151.7 x 71.2 x 7.9 mm164 x 75 x 8.4 mmS21 5G is more compact and pocketable; Moto G is larger and may feel less comfortable for smaller hands.
Weight169g189gS21 5G is significantly lighter, making it more comfortable for extended use and better for one-handed operation.
Display
Size6.2"6.5"Moto G has a slightly larger display, beneficial for media consumption, but less comfortable for one hand use.
Resolution1080 x 2400720 x 1600S21 5G has a significantly sharper display with more detail, leading to better image quality and less pixelation.
Pixel Density421 ppi270 ppiS21 5G offers much clearer text and images, better for reading and fine detail viewing.
TechnologyAMOLEDIPS LCDS21 5G offers deeper blacks, vibrant colors, and better power efficiency for dark themes, resulting in a more visually pleasing display.
Refresh Rate120Hz120HzBoth offer smooth scrolling and animations, but S21's advantage due to other screen factors is a better perceived quality.
Brightness1300 nits0 nitsS21 5G has drastically better visibility in bright sunlight. Moto G brightness is unknown and assumed to be much lower, making it hard to use.
Performance
ChipsetExynos 2100 (5 nm)Snapdragon 480+ (8 nm)S21 5G has a significantly more powerful chipset, offering much faster performance for all tasks.
AnTuTu Score749,100380,000S21 5G is much faster for gaming, multitasking, and demanding apps. Moto G may struggle with heavy usage.
GPUMali-G78 MP14Adreno 619S21 5G has a much more powerful GPU, resulting in better graphics performance in games and graphically intensive applications.
Battery
Capacity4000 mAh5000 mAhMoto G has a larger battery, likely offering longer battery life, although real usage can impact this.
Charging25W Fast Charging15W Fast ChargingS21 5G charges faster, reducing downtime. Moto G will take significantly longer to fully recharge.
FeaturesWireless Charging, Reverse ChargingNon-removableS21 has much better capabilities for charging and power sharing.
Camera
Standard Lens12MP, f/1.8, 1.80µm48MP, f/1.7, 0.80µmMoto G has higher resolution for more detail in photos, however, smaller pixels may impact low light performance. S21 has larger pixels.
Telephoto/Portrait64MP, f/2.0, 0.80µmN/AS21 5G has a dedicated telephoto lens, offering better zoom capabilities and portrait shots.
Selfie Lens10MP, f/2.2, 1.22µm8MP, f/2.0, 1.12µmS21 5G has slightly higher resolution, but smaller aperture. Moto G has a slightly larger aperture and may perform better in low light.
Macro LensN/A2MP, f/2.4, 1.75µmMoto G has a macro lens for close-up shots, which the S21 5G lacks.
Wide Angle + Macro12.2MP, f/2.2, 1.40µmN/AS21 5G has a dedicated wide angle camera for landscape or group shots, which the Moto G lacks.
VideoUp to 8K@24fpsUp to 1080p@30fpsS21 5G is capable of higher-resolution and higher framerate video recording, making it much better for professional or enthusiast video recording.
DxOMarkMobile: 111, Selfie: 132N/AS21 5G has very good camera performance confirmed with DxOMark Scores, no data for Moto G.
Camera Features4K/8K Video, OISDigital Image StabilizationS21 5G offers better stabilization, optical zoom, and higher video resolutions.
Software
OSAndroid 11 (up to 15)Android 13Moto G has a newer OS out of the box, but the S21 is confirmed to have updates to Android 15, but the Moto G is not known.
Connectivity
Wi-FiWi-Fi 6Wi-Fi 5S21 5G supports newer Wi-Fi standard, offering faster speeds and more reliable connections with modern routers.
Bluetooth5.05.1Both have comparable features and can be used with modern bluetooth devices, but S21 has a wider range of Bluetooth codecs and features.
GPSAdvanced systemsBasic systemsS21 5G offers potentially more accurate location tracking using multiple satellite systems.
SIMDual Nano SIMDual Nano SIM + eSIMMoto G has the advantage of eSIM for easier carrier switching.
Storage
Internal128/256 GB128 GBS21 5G provides more storage options with a larger maximum storage capacity.
RAM8 GB4 GBS21 5G has more RAM for smoother multitasking and gaming.
ExpandableNoNoNeither phone has expandable storage.
Audio
QualityDolby Atmos, Noise CancellingStereo Speakers, 2 micsS21 5G provides better sound quality, features like Dolby Atmos, and noise cancellation for phone calls.
Security
Featuresbasic fingerprint sensorside-mounted fingerprint sensorMoto G has a more convenient side-mounted fingerprint sensor that is more reliable.
Build Quality
Screen ProtectionCorning Gorilla Glass VictusUnknownS21 5G has superior screen protection, less likely to get scratched.
Sensors
SensorsBarometerNoneS21 5G has more sensors for more advanced features.

2. Key Differences Analysis

Samsung Galaxy S21 5G Advantages:

  • Superior Display: AMOLED, higher resolution, higher pixel density, and much higher brightness.
    • Practical Impact: A much better visual experience, especially for media consumption and outdoor use.
  • Significantly Higher Performance: Much more powerful processor and GPU.
    • Practical Impact: Faster app loading, smoother multitasking, and better gaming performance.
  • Superior Camera System: Versatile triple-lens system with telephoto, wide-angle, and higher video resolution.
    • Practical Impact: Better photos, zoom capabilities, and higher video quality.
  • Faster Charging & Wireless Charging: Much faster-charging speed and wireless charging capability.
    • Practical Impact: More convenient and quicker charging, no need for wired connection.
  • More RAM: 8GB RAM vs 4GB, better multitasking and app handling.
    • Practical Impact: Less slowdowns when using many apps, better support for complex games
  • Better Audio: Dolby Atmos, noise-canceling microphone.
    • Practical Impact: Enhanced sound quality for media and clearer calls.
  • Superior Build & Protection: Corning Gorilla Glass Victus screen.
    • Practical Impact: More resistant to scratches and drops, better durability.
  • More sensors Additional sensors like the barometer provide more features.
    • Practical Impact: Adds to functionality of device and apps such as altitude tracking.

Motorola Moto G (2023) Advantages:

  • Potentially Longer Battery Life: Larger battery capacity.
    • Practical Impact: Potentially longer time between charges depending on usage scenarios.
  • Newer Android OS out of the Box: Comes with Android 13.
    • Practical Impact: Latest Android features, although the S21 will have the update.
  • eSIM Support The inclusion of eSIM support allows for multiple lines easily
    *    *Practical Impact:* Allows for easy changing of carriers without a new physical sim.
    
  • Macro Lens: A dedicated macro lens for close-up photography.
    • Practical Impact: Ability to take detailed close up photos.
  • Side Mounted Fingerprint Sensor: Easier to reach than a standard fingerprint sensor
    • Practical Impact: Easier to access and more reliable.

Trade-offs:

  • The Samsung Galaxy S21 5G is significantly more powerful and has a better screen, but may have lower battery life than the Motorola Moto G (2023).
  • The Motorola Moto G (2023) offers a more modern operating system out of the box and better battery life but falls short in display quality, performance, and camera capabilities.
  • The S21 has a superior build and screen protection for longer lifespan, but Moto G’s larger battery and macro camera may be enticing to some.
  • The S21 also has more functionality in terms of wireless charging and device sharing.

3. User Profiles & Recommendations

Samsung Galaxy S21 5G Ideal User:

  • Power Users: Those who need a fast and responsive device for multitasking, gaming, and demanding applications.
  • Photography Enthusiasts: Those who value high-quality images, versatile camera features and higher resolution video.
  • Media Consumers: Those who prioritize a superior display with vibrant colors and high resolution.
  • Users who value premium features and better build quality: Wireless charging, screen protection, and fast performance are important.

Specific Use Cases:

  • Heavy gaming and video editing
  • Professional photography and videography
  • Outdoor use in bright sunlight
  • Streaming high-definition media
  • Work tasks with demanding apps

Motorola Moto G (2023) Ideal User:

  • Budget-Conscious Users: Those seeking a reliable phone at a lower price point.
  • Users Prioritizing Battery Life: Those who need a phone that can last through the day with heavy use.
  • Casual Users: Those who primarily use their phone for basic tasks, social media, and light media consumption.
  • Users needing close-up camera functionality: The macro lens will be useful to those interested in that use case.
  • Users looking for a newer operating system and easier carrier switching: The eSIM and newest android version will be enticing to these users.

Specific Use Cases:

  • Basic web browsing and social media
  • General daily use and communication
  • Users who take close-up photos
  • Long battery life needs
  • Users who switch mobile carriers regularly

Price-to-Value Ratio:

  • The Samsung Galaxy S21 5G, while potentially costing more, offers significantly better features and performance making it the clear choice if budget permits. The display, camera, and processing power are all far superior.
  • The Motorola Moto G (2023) provides good value for its lower price point with a good operating system, larger battery and eSIM support, but compromises in many other key areas.

4. Decision Framework

Key Questions for Buyers:

  1. What is your primary use case? (Gaming, photography, daily usage, media consumption)
  2. How important is display quality? (Sharpness, brightness, color accuracy)
  3. What is your budget? (Are you willing to pay more for premium features and performance?)

Scenario-Based Recommendations:

  • Scenario 1 (Power User): If you need the best performance, best display, and the most versatile camera, choose the Samsung Galaxy S21 5G.
  • Scenario 2 (Budget User): If you are on a budget and need good battery life and don't care about display or performance quality, then choose the Motorola Moto G (2023).
  • Scenario 3 (General User): If you prioritize a balance of performance, battery life, and good screen, the Samsung Galaxy S21 5G is still the better choice due to the superior display and performance. The Moto G has the battery advantage, but the display is very lacking.
  • Scenario 4 ( Photography User): If you value photography, the Samsung Galaxy S21 5G will provide much better image quality and zoom, and video recording due to the more versatile and powerful camera system.

My Choice

If I were choosing between these two phones, I would select the Samsung Galaxy S21 5G. While the Motorola Moto G (2023) has a larger battery and a newer operating system out of the box, the differences in display quality, performance, camera versatility, and build quality of the S21 are so significant that it is worth the extra cost. The AMOLED display alone makes the S21 a much better experience for daily use and media consumption. The superior processing power ensures the phone remains responsive even under heavy use, and the more versatile camera system will allow for better photos and videos. The build quality will also make the phone last longer, saving money long term. The much brighter screen will also be much easier to use when outdoors. The only real advantage to the Moto G is battery life, and I believe the benefits of the S21 far outweigh this.

I believe the Samsung Galaxy S21 5G offers a much more premium user experience and is a far better choice for most users due to the display, performance, camera, and build quality.

Emily Harper
Emily Harper

Technology Insights Specialist

Dedicated technology writer specializing in mobile device analysis and technology communication. Expert at translating complex smartphone features into clear, actionable insights for diverse audiences.

Key Strengths:

  • Mobile technology analysis
  • Digital media communication
  • Technical storytelling
  • User-centric technology insights

Bridging technical complexity with engaging, accessible narratives.