Samsung Galaxy S21 Ultra 5G vs Nothing CMF Phone 1 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 29, 2021 July 9, 2024
Release Year 2021 2024

Physical

Volume 111.09 cm³ 103.55 cm³
Screen Size to Weight Ratio 3 "/g 3.39 "/g
Weight 227 g 197 g
Height 165.1 mm 164 mm
Width 75.6 mm 77 mm
Thickness 8.9 mm 8.2 mm
Foldable Design No No
Available Colors
  • Phantom Black
  • Phantom Silver
  • Phantom Titanium
  • Phantom Navy
  • Phantom Brown
  • Navy
  • Black
  • Orange
  • Light Green

Display

Screen Size 6.8 " 6.67 "
Resolution 1440 x 3200 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 89.4 % 85.1 %
Pixel Density 515 PPI 395 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A 500 nits
HBM Brightness N/A N/A
Peak Brightness 1500 nits 2000 nits

Hardware

Battery Capacity per Screen Area 108.13 mAh/in² 112.39 mAh/in²
Battery Density 45.01 mAh/cm³ 48.29 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes No
Chipset Exynos 2100 (5 nm) - International Mediatek Dimensity 7300 (4 nm)
CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Mali-G78 MP14 - International Mali-G615 MC2

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 14
Maximum OS Version 15 16

Comparison Summary

1. Specifications Comparison

FeatureSamsung Galaxy S21 Ultra 5GNothing CMF Phone 1Practical Impact
Design
Dimensions165.1 x 75.6 x 8.9 mm164 x 77 x 8.2 mmS21 Ultra is slightly taller and thicker, while CMF Phone 1 is wider. S21 Ultra has a larger overall volume, feels bulkier.
Weight227g197gCMF Phone 1 is significantly lighter, making it more comfortable for extended use and easier to handle.
Display
Size6.8"6.67"S21 Ultra has a slightly larger screen, offering a more immersive viewing experience.
Resolution1440 x 32001080 x 2400S21 Ultra has a much sharper display, resulting in finer details and crisper text.
Pixel Density515 PPI395 PPIS21 Ultra has a noticeably sharper screen; text and images are more refined.
TechnologyAMOLEDAMOLEDBoth offer vibrant colors and deep blacks.
Refresh Rate120Hz120HzBoth provide smooth scrolling and animations, suitable for gaming and fluid UI.
Brightness1500 nits2000 nitsCMF Phone 1 has significantly better outdoor visibility, especially in direct sunlight.
Performance
ChipsetExynos 2100 (5 nm) - InternationalMediatek Dimensity 7300 (4 nm)S21 Ultra's chip is older, but benchmarks higher. CMF Phone 1's chip is newer.
AnTuTu Score749,000673,000S21 Ultra has marginally better benchmark performance, indicating slightly smoother multitasking and slightly better gaming.
GPUMali-G78 MP14 - International (ARM Mali-G78 MC14)Mali-G615 MC2 (Arm Mali-G615 MC2)S21 Ultra has a more powerful GPU, likely better for graphics-intensive tasks and higher-end gaming.
Battery
Capacity5000mAh5000mAhBoth should offer similar battery life under typical usage scenarios.
Charging25W fast charging, Li-Polymer33W fast charging, Li-IonCMF Phone 1 charges faster, reducing charging times.
FeaturesReverse charging, Wireless charging 15W, Reverse wireless charging 9W, No charger in-boxNon-removableS21 Ultra offers more versatile charging options, including wireless and reverse wireless charging.
Camera
Standard Camera108MP, f/1.8, 1/1.33" sensor (Samsung S5KHM3)50MP, f/1.79, 1/2" sensor (Sony IMX882)S21 Ultra captures more detailed images with higher resolution and larger sensor.
Telephoto+Portrait10.8MP, f/2.4, 1/2.65" sensor (Samsung S5K3J1)NoneS21 Ultra offers enhanced zoom capabilities and better portrait mode with a dedicated telephoto lens.
Selfie Camera44MP, f/2.2, 1/2.65" sensor (Samsung S5KGH1)16MP, f/2.0, 1/3.1" sensor (GalaxyCore GC16B3C)S21 Ultra captures more detailed selfies with higher resolution, though CMF Phone 1 has wider aperture.
Telephoto Lens10.8MP, f/4.9, 1/2.65" sensor (Samsung S5K3J1)NoneS21 Ultra has a second telephoto lens, providing a further zoom range.
Portrait ModeNone2MP, f/2.3, 1/4" sensor (Smartsens sc202pcs)CMF Phone 1 has a dedicated portrait mode for depth sensing.
Wide Angle + Macro12.2MP, f/2.2, 1/2.55" sensor (Sony IMX563)NoneS21 Ultra offers a dedicated ultrawide camera with macro capabilities.
Video RecordingUp to 8K@24fps, 4K@60fps, HDR, EIS, Stereo SoundUp to 4K@30fps, EISS21 Ultra offers higher video recording capabilities with 8K support and higher frame rates.
Slow Motion960 fps240 fpsS21 Ultra provides more advanced slow-motion capabilities.
DxoMark Mobile115 (overall), 121 (photo), 100 (video)Not testedS21 Ultra has benchmarked higher with DxoMark, implying better overall picture quality and video.
DxoMark Selfie135 (overall), 133 (photo), 140 (video)Not testedS21 Ultra has benchmarked higher with DxoMark, implying better overall selfie quality.
Camera FeaturesExtensive: 8K, OIS, Laser AF, RAW, Night ModeBasic: Noise reduction, dual cameraS21 Ultra offers more advanced photography features and flexibility.
Software
OSAndroid 11 (upgradable to 15)Android 14 (upgradable to 16)CMF Phone 1 has a newer version of Android out of the box. Both should receive future updates.
Connectivity
Wi-FiWi-Fi 6 (802.11ax), Dual band, Wi-Fi DirectWi-Fi 6 (802.11ax), Dual band, Wi-Fi DirectSimilar Wi-Fi capabilities on both.
BluetoothBluetooth 5.2, LE, Apt-x, additional audio profilesBluetooth 5.3, LE, Apt-x, LDAC, AACCMF Phone 1 has a newer version of Bluetooth, supports LDAC and AAC. S21 Ultra has a more extensive profile suite.
GPSGPS, A-GPS, GLONASS, Beidou, Galileo, GPS (L1+L5), Galileo (E1+E5a)GPS, A-GPS, GLONASS, Beidou, QZSS, GalileoBoth offer reliable GPS, S21 Ultra has higher precision, and CMF Phone 1 offers QZSS.
SIMDual SIM (Nano SIM)Dual SIM (Nano SIM)Both support Dual SIM for using two numbers.
Storage
Internal128GB/256GB/512GB128GB/256GBS21 Ultra offers a higher storage option at 512GB.
RAM12GB/16GB6GB/8GBS21 Ultra has more RAM, better for multitasking.
ExpandableNoNoNeither offers expandable storage.
Audio
QualityDolby Atmos, Hi-Res Audio, Stereo Speakers, Noise cancellation micBasic audio featuresS21 Ultra offers richer, more immersive audio and clearer calls.
Security
FeaturesBasic fingerprint sensorBasic fingerprint sensorBasic biometric security.
Build Quality
ProtectionCorning Gorilla Glass VictusUnknownS21 Ultra has a superior screen protector
SensorsBiometric: Fingerprint; Proximity: Proximity; Motion: Accelerometer, Compass, Gyroscope; Environmental: Barometer, Hall, GeomagneticBiometric: Fingerprint; Proximity: Proximity; Motion: Accelerometer, Compass, GyroscopeS21 Ultra has additional environmental sensors and is suitable for gaming.

2. Key Differences Analysis

Samsung Galaxy S21 Ultra 5G Advantages:

  • Superior Display: Higher resolution and pixel density resulting in much sharper visuals.
  • More Powerful Performance: Marginally better benchmark performance and more powerful GPU.
  • Advanced Camera System: Offers a more versatile and comprehensive camera system including telephoto lenses, a dedicated ultra-wide lens, and higher resolution sensors.
  • Advanced Features: Offers more advanced features such as 8K video, optical zoom, wireless charging, and more robust audio features.
  • More RAM and Storage: Offers higher RAM and a 512GB storage option for demanding users.
  • Advanced Sensor Suite: More comprehensive sensor array, including Barometer, Hall and Geomagnetic sensors.

Practical Implications: The S21 Ultra is better for users who prioritize high-quality visuals, advanced photography, and demanding gaming or multitasking, as well as advanced feature sets.

Nothing CMF Phone 1 Advantages:

  • Brighter Display: Significantly higher brightness, ensuring better outdoor visibility.
  • Lighter and Thinner: More comfortable for long periods of use and easier to handle.
  • Faster Charging: Faster wired charging.
  • Newer OS out of the box: Comes with a more recent version of Android.
  • Newer Bluetooth Version: Newer Bluetooth version with LDAC and AAC codec support
  • Dedicated Depth Sensor: Has a dedicated depth sensor.

Practical Implications: The CMF Phone 1 is ideal for users who prioritize a comfortable form factor, better outdoor visibility, and faster charging.

Significant Trade-offs:

  • Samsung Galaxy S21 Ultra 5G: Bulkier and heavier, less comfortable for extended use, lower display brightness, slower charging speed.
  • Nothing CMF Phone 1: Less powerful camera system, lower screen resolution, slower performance, basic audio and sensor array.

3. User Profiles & Recommendations

Samsung Galaxy S21 Ultra 5G:

  • Ideal User: Photography enthusiasts, mobile gamers, power users who demand the best performance and features, users who prioritize screen sharpness and clarity, those who consume a lot of media.
  • Use Cases: Professional photography/videography, playing demanding mobile games, running complex applications, media consumption in diverse environments.
  • Price-to-Value: Older flagship, may be available at a lower cost now, however, may not be ideal if you prefer the latest technology and software.

Nothing CMF Phone 1:

  • Ideal User: Everyday users who value comfort, a lightweight build, better outdoor visibility and faster charging, users who want a modern android OS, user's who don't prioritize the best camera and performance.
  • Use Cases: Social media browsing, casual gaming, everyday task management, capturing photos casually in bright light.
  • Price-to-Value: Mid-range device focused on essentials and a few key strengths.

4. Decision Framework

Key Questions for Buyers:

  1. What is your priority? Is it top-tier camera performance, best screen sharpness and clarity, or is it a comfortable, brighter display with fast charging?
  2. What are your primary use cases? Do you mainly play games, capture high-quality photos/videos, or are your needs more focused on everyday tasks and casual use?
  3. How important is the software experience? Do you want the latest android OS out of the box, or are you comfortable with the previous generation?

Scenario-Based Recommendations:

  • For the Power User: If you need the best camera, gaming performance, and features, and you do not mind the extra bulk, the Samsung Galaxy S21 Ultra 5G is the better choice.
  • For the Everyday User: If you value a comfortable, lightweight design, better outdoor visibility, and faster charging at a potentially lower price, the Nothing CMF Phone 1 is ideal.
  • For the Value-Conscious Buyer: Consider your budget, if you can find a good deal on the Samsung Galaxy S21 Ultra 5G, it offers excellent value for the performance it provides, but if your budget is tight and the key strengths of the Nothing CMF Phone 1 suit your requirements, it can be a wise choice.

My Choice and Why

I would choose the Samsung Galaxy S21 Ultra 5G. Although it's an older model, it delivers a more premium experience that aligns with my preferences as a power user and photography enthusiast. The superior display sharpness, more versatile camera system (with features like optical zoom and 8K recording), and enhanced audio capabilities justify the tradeoffs in terms of bulk and charging speed. While I appreciate the benefits of the CMF Phone 1's lighter build and brighter screen, I prioritize the overall performance and photography capabilities that the S21 Ultra offers. As a bonus, older flagships tend to be available at very attractive prices, which can present a strong value proposition.

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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  • Mobile technology analysis
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Bridging technical complexity with engaging, accessible narratives.