Samsung Galaxy S21 5G vs Samsung Galaxy M33 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 29, 2021 April 8, 2022
Release Year 2021 2022

Physical

Volume 85.33 cm³ 119.56 cm³
Screen Size to Weight Ratio 3.67 "/g 3.33 "/g
Weight 169 g 198 g
Height 151.7 mm 165.4 mm
Width 71.2 mm 76.9 mm
Thickness 7.9 mm 9.4 mm
Foldable Design No No
Available Colors
  • Phantom White
  • Phantom Gray
  • Phantom Violet
  • Phantom Pink
  • Blue
  • Green
  • Brown

Display

Screen Size 6.2 " 6.6 "
Resolution 1080 x 2400 1080 x 2408
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 85.9 % 82.5 %
Pixel Density 421 PPI 400 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 114.78 mAh/in²
Battery Density 46.88 mAh/cm³ 41.82 mAh/cm³
Battery Capacity 4000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Exynos 2100 (5 nm) - International Exynos 1280 (5 nm)
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
GPU Mali-G78 MP14 - International Mali-G68

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 12
Maximum OS Version 15

Comparison Summary

Smartphone Comparison: Samsung Galaxy S21 5G vs. Samsung Galaxy M33

1. Specifications Comparison

Design

FeatureSamsung Galaxy S21 5GSamsung Galaxy M33Practical Impact
Dimensions151.7 x 71.2 x 7.9 mm165.4 x 76.9 x 9.4 mmThe S21 is significantly more compact and pocketable, while the M33 is larger and bulkier. This impacts one-handed use and portability.
Weight169g198gThe S21 is noticeably lighter, making it more comfortable for prolonged use and less tiring to hold.

Display

FeatureSamsung Galaxy S21 5GSamsung Galaxy M33Practical Impact
Size6.2"6.6"The M33 offers a larger viewing area, which is beneficial for media consumption, gaming, and multitasking. The S21 is better for those who prefer a more compact phone.
Resolution1080x24001080x2408Both offer a very sharp viewing experience. The difference is minor and practically unnoticeable in everyday use.
Pixel Density (PPI)421400The S21 has slightly sharper display, but this is unlikely to be noticeable for most users.
TechnologyAMOLEDTFT LCDThe S21's AMOLED display provides superior contrast, richer colors, and deeper blacks, making it ideal for enjoying high-quality media and HDR content. The M33's TFT LCD won't be as vibrant, especially in dark areas.
Refresh Rate120Hz120HzBoth offer a smooth 120Hz refresh rate which results in smoother scrolling and animations.
Brightness1300 nits0 nitsThe S21's much higher brightness ensures excellent visibility even in direct sunlight. The M33's brightness is not specified, meaning it might struggle with visibility outdoors.

Performance

FeatureSamsung Galaxy S21 5GSamsung Galaxy M33Practical Impact
ChipsetExynos 2100 (5 nm) - InternationalExynos 1280 (5 nm)The S21's Exynos 2100 is significantly more powerful, providing faster app loading, smoother multitasking, and better gaming performance compared to the M33.
AnTuTu Score749,100475,448The S21's higher score indicates vastly superior real-world performance, making it better suited for demanding tasks and gaming.
GPUMali-G78 MP14 (ARM Mali-G78 MC14)Mali-G68 (Mali-G68 MC4 4x cores 1GHz)The S21's GPU is considerably more capable, resulting in higher frame rates and better graphics quality in games.

Camera

FeatureSamsung Galaxy S21 5GSamsung Galaxy M33Practical Impact
Standard Camera12MP, f/1.8, 1/1.76", Sony IMX555, 1.80µm pixel size50MP, f/1.8The M33 has a higher resolution sensor but sensor size details are missing. The S21's sensor has larger pixels for better low-light performance.
Telephoto Camera64MP, f/2.0, 1/1.72", Samsung S5KGW2, 0.80µm pixel sizeNoneThe S21 offers an optical telephoto lens for better zoomed photos. M33 lacks this.
Wide Angle Lens12.2MP, f/2.2, 1/2.55", Sony IMX563, 1.40µm pixel size5MP, f/2.2M33 has dedicated wide angle lens for landscape, group shots. S21 uses its standard camera with wider perspective.
Selfie Camera10MP, f/2.2, 1/3.2", Sony IMX374, 1.22µm pixel size8MP, f/2.2The S21's front camera should capture slightly more detail and perform better in low light.
Portrait LensNone2MP, f/2.4M33 has a dedicated lens to improve portrait photos.
Macro LensNone2MP, f/2.4M33 has a dedicated macro lens for close up photos.
VideoUp to 8K@24fps, 4K@60fps, HDR, EIS, Stereo Sound4K@30fps, 1080p@30fpsThe S21 offers superior video recording capabilities, including 8K and 4K@60fps with HDR and EIS. The M33 is limited to 4K@30fps.
DXOMarkMobile: 111, Selfie: 132Not RatedThe S21's camera is significantly superior based on these scores. The M33's camera is untested on DXOMark.

Battery

FeatureSamsung Galaxy S21 5GSamsung Galaxy M33Practical Impact
Capacity4000mAh5000mAhThe M33's larger battery should provide significantly longer battery life. The S21 might require more frequent charging for heavy users.
Charging25W Fast Charging, Li-Polymer25W Fast Charging, Li-IonBoth support 25W charging but the S21 has faster charging due to Li-Polymer battery.
FeaturesReverse Charging, 15W Wireless, 4.5W Reverse Wireless, No ChargerNo Wireless Charging, No ChargerS21 offers more charging options. No chargers are provided for both.

2. Key Differences Analysis

Samsung Galaxy S21 5G Advantages:

  • Superior Display: AMOLED technology with higher brightness and better color accuracy makes for a more enjoyable viewing experience.
  • Higher Performance: The Exynos 2100 chipset and Mali-G78 GPU offer significantly better performance for gaming and demanding tasks.
  • Advanced Camera System: The S21's telephoto lens, wide-angle lens, and superior video capabilities provide more versatility. The higher DXOMark score suggests better image quality.
  • Premium Features: Wireless charging, reverse wireless charging, and a barometer are useful additions that the M33 lacks.
  • Smaller and Lighter: The S21's more compact and lightweight design makes it easier to handle and carry.
  • Better Build Quality: Gorilla Glass Victus on the screen provides superior protection against scratches and drops.

Samsung Galaxy M33 Advantages:

  • Larger Battery: A 5000mAh battery should provide significantly longer battery life than the S21's 4000mAh battery.
  • Newer OS out of the box: M33 ships with Android 12 which is the newer version compared to S21.
  • Wider Angle and Macro Camera: Offers more camera flexibility with dedicated cameras.
  • More Affordable: The M33 is generally more budget-friendly, making it an attractive option for price-conscious buyers.

Trade-offs:

  • The S21 sacrifices battery life for higher performance and a premium display.
  • The M33 offers longer battery life and lower cost but with a less impressive display and significantly reduced performance.
  • The S21 has a more versatile and better camera system, while M33 has additional cameras.

3. User Profiles & Recommendations

Samsung Galaxy S21 5G:

  • Ideal User: Users who prioritize performance, camera quality, and a premium display experience.
  • Use Cases:
    • Mobile gamers who need smooth, high-performance gaming.
    • Photographers who want versatile camera options and better image quality.
    • Users who watch lots of videos and want the best display experience.
    • Those who prefer smaller and lighter phones for ease of use.
  • Price-to-Value: Good value for a premium experience, but might be overkill for light users.

Samsung Galaxy M33:

  • Ideal User: Users who need long battery life, a large display, and don't need the highest performance.
  • Use Cases:
    • People who use their phone heavily throughout the day and need long battery life.
    • Users who want a large screen for media consumption and browsing.
    • Price-conscious buyers looking for a capable phone with good battery life.
  • Price-to-Value: Offers excellent value for its price, especially for users who prioritize battery life and large displays.

4. Decision Framework

Key Questions to Consider:

  1. How important is performance to you? If you are a heavy gamer or app user, the S21 is a must.
  2. How important is battery life to you? The M33 excels in battery performance, which might be a decisive factor for some.
  3. How much are you willing to pay? The M33 is likely more affordable, making it ideal for budget-conscious buyers.

Scenario-Based Recommendations:

  • Scenario 1: Heavy Gaming & Media Consumption: Choose the Samsung Galaxy S21 5G for its superior performance, display, and audio features.
  • Scenario 2: All-Day Battery Life & Budget-Conscious: Choose the Samsung Galaxy M33 for its larger battery and lower cost.
  • Scenario 3: Balanced Use with Good Camera: Choose the Samsung Galaxy S21 5G for its premium features and better camera capabilities.
  • Scenario 4: Casual Usage & Budget: Choose the Samsung Galaxy M33 as it's more affordable and has adequate features for normal everyday usage.

My Choice

If I were to choose, I would go with the Samsung Galaxy S21 5G. While the larger battery of the M33 is tempting, the S21’s superior AMOLED display, significantly better performance (especially for gaming), and more advanced camera system are worth the trade-off in battery life for my needs. Also, I highly value the premium feel, superior build quality (Gorilla Glass Victus), smaller form factor, and wireless charging capabilities that the S21 offers. For my use case, which involves frequent media consumption, some gaming, and photography, the S21 offers a much more enjoyable and versatile experience.

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.

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