Nokia G21 vs Samsung Galaxy Z Fold4 - Detailed Phone Comparison

Detailed Comparison

Specification
Nokia G21
Nokia G21
Nokia

General

Launch Date February 15, 2022 August 25, 2022
Release Year 2022 2022

Physical

Volume 106.19 cm³ 127.12 cm³
Screen Size to Weight Ratio 3.42 "/g 2.89 "/g
Weight 190 g 263 g
Height 164.6 mm 155.1 mm
Width 75.9 mm 130.1 mm
Thickness 8.5 mm 6.3 mm
Foldable Design No Yes
Available Colors
  • Dusk
  • Nordic Blue
  • Phantom Black
  • Burgundy
  • Graygreen
  • Beige

Display

Screen Size 6.5 " 7.6 "
Resolution 720 x 1600 1812 x 2176
Aspect Ratio 20:9 16:9
Screen-to-Body Ratio 81.6 % 90.8 %
Pixel Density 270 PPI 373 PPI
Refresh Rate 90 Hz 120 Hz
Typical Brightness 400 nits N/A
HBM Brightness N/A N/A
Peak Brightness N/A 1200 nits

Hardware

Battery Capacity per Screen Area 119.53 mAh/in² 76.18 mAh/in²
Battery Density 47.56 mAh/cm³ 34.61 mAh/cm³
Battery Capacity 5050 mAh 4400 mAh
NFC Support Yes Yes
Chipset Unisoc T606 (12 nm) Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm)
CPU Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55) Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)
GPU Mali-G57 MP1 Adreno 730

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 12
Maximum OS Version 13 16

Comparison Summary

Okay, let's break down the Nokia G21 and the Samsung Galaxy Z Fold4, focusing on what these specs mean for you, the user.

1. Specifications Breakdown

Here's a detailed comparison table with a "Real-World Implications" column to bridge the gap between technical specs and practical user experience:

FeatureNokia G21Samsung Galaxy Z Fold4Real-World Implications
Design
Launch Date2022-02-152022-08-25The Z Fold4 is a much newer device, potentially benefiting from newer technologies and software.
Foldable DesignStandardFoldableThe Z Fold4 offers a unique folding form factor, providing a larger display in a smaller package. The Nokia G21 is a standard, non-folding phone.
Physical Size164.6 × 75.9 × 8.5 mm155.1 × 130.1 × 6.3 mm (Unfolded)The G21 is taller and thicker, whereas the Z Fold4 is wider when unfolded and significantly thinner. The Fold4's dimensions are more about flexibility while G21 prioritizes a conventional experience.
Weight190g263gThe Nokia G21 is lighter, which makes it more comfortable for prolonged use. The Z Fold4 is significantly heavier, which can make it cumbersome to use for extended periods.
Display
Size6.5"7.6"The Z Fold4 boasts a noticeably larger screen, which is much more immersive for media consumption, gaming, and multitasking.
Resolution720x16001812x2176The Z Fold4 has much sharper visuals and more detail due to its higher resolution.
Pixel Density (PPI)270373The Z Fold4's higher pixel density results in clearer text and images.
Display TechnologyIPS LCDAMOLEDWhile the G21 offers good viewing angles, the Z Fold4's AMOLED technology delivers superior colors, deeper blacks, and better contrast.
Refresh Rate90Hz120HzThe Z Fold4 has a slightly smoother scrolling experience with its higher refresh rate. Both phones have quite smooth displays, and most users won't notice the small difference.
Brightness0 nits0 nitsBoth phones have identical peak brightness at 0 nits, which is obviously incorrect. This data point can be disregarded.
Performance
ChipsetUnisoc T606 (12 nm)Qualcomm Snapdragon 8+ Gen 1 (4 nm)The Z Fold4's Snapdragon chipset offers superior performance across all tasks, from basic apps to heavy gaming. The G21's Unisoc chip is more basic.
AnTuTu Score253,3001,232,800The Z Fold4 will perform significantly faster. Expect apps to load quicker, games to run smoother, and multitasking to be seamless. The G21 will struggle with graphically intense tasks.
GPUMali-G57 MP1 (ARM Mali-G57)Adreno 730 (Qualcomm Adreno 730)The Z Fold4's GPU is far more powerful, handling complex graphics in games and apps much better.
Battery Life
Capacity5050 mAh4400 mAhThe G21 has a larger battery, which will typically mean longer battery life, all other things being equal.
Charging18W Fast Charging, Li-Ion25W Fast Charging, Li-PolymerThe Z Fold4 charges faster than the G21.
Battery Features10W In Box Charger, Non-Removable15W Wireless Charging, 9W Reverse Wireless Charging, Non-Removable, Bypass Charging, Reverse ChargingThe Z Fold4 offers more sophisticated charging options, including wireless and reverse charging, which provides additional flexibility. The G21 comes with an in-box charger, which is convenient, and charges a slower rate.
Camera
Main Camera50MP, f/1.8, 1/2.76" sensor, 0.64µm pixels (Nokia)50MP, f/1.8, 1/1.57" sensor, 1.0µm pixels (Samsung)The Z Fold4's main camera has a significantly larger sensor, resulting in better light sensitivity, image quality, and low-light performance.
Selfie Camera8MP, f/2.0 (Nokia)10MP, f/2.2, 1/3.2" sensor, 1.22µm pixels (Samsung)The Z Fold4 has a slightly higher resolution and larger pixel size, potentially leading to better selfies.
Telephoto LensNone10MP, f/2.4, 1/3.9" sensor, 1.0µm pixelsThe Z Fold4 offers a dedicated telephoto lens for zoomed-in shots, a feature completely absent from the G21.
Wide Angle LensNone13MP, f/2.2, 1/3.06" sensor, 1.12µm pixelsThe Z Fold4 has a wide angle lens, useful for capturing landscapes and group shots, a feature not included on the G21.
Portrait Lens2MP, f/2.4NoneThe G21 has a depth sensor, though the implementation and quality are not expected to be equal to the telephoto lens on the Z Fold 4.
Macro Lens2MP, f/2.4NoneThe G21 has a dedicated macro sensor to capture close-up images, while the Z Fold4 can do so using the ultrawide lens.
Video1080p@30fps; No stabilization8K@24fps with HDR, EIS; 4K@60fps with HDR, EIS; 1080p@60fps with HDR, EIS; 1080p@240fps with HDR, EIS; 720p@960fps with HDR, EIS; Yes stabilizationThe Z Fold4 offers vastly superior video capabilities, including high-resolution recording, HDR, and advanced stabilization technologies.
DXOMarkNot TestedMain Score: 124, Photo Score: 131, Video Score: 122The Z Fold4 has a good score in DXOMark, indicating high quality.
Camera FeaturesDigital zoom, Triple camera, Autofocus, Touch focus, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Front Flash4K Video, Digital zoom, Optical zoom, Triple camera, Digital image stabilization, Optical Stabilization (OIS), Autofocus, Touch focus, Manual focus, Laser AF, Phase detection autofocus (PDAF), Laser autofocus (LAF), Dual front camera, Under display camera, Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW, Night ModeThe Z Fold4's camera system is feature-rich and includes advanced options like Optical zoom and stabilization, RAW image capture and night mode.
Software
OSAndroid 11 (upgradable to 13)Android 12 (upgradable to 16)The Z Fold4 has a newer version of Android out of the box, and a longer support period than the G21, meaning more feature updates, security and potentially more performance updates.
Connectivity
Wi-Fi802.11a/b/g/n/n 5GHz; Dual-band; Wi-Fi Hotspot; Wi-Fi Display802.11a/b/g/n/n 5GHz/ac/ax; Dual-band; Wi-Fi Hotspot; Wi-Fi Direct; Wi-Fi Display; Wi-Fi MiMOThe Z Fold4 supports faster, more efficient Wi-Fi standards, and has additional features for better network connectivity.
BluetoothBluetooth 5.0 LE; A2DP, LEBluetooth 5.2 LE; A2DP, AVRCP, DIP, HFP, HID, HSP, LE, MAP, PAN, OPP, PBAP/PAB, APT-xThe Z Fold4's newer Bluetooth version offers a wider range of profiles for a wider compatibility, better sound quality and lower power consumption.
GPSGPS, A-GPS, GLONASS, Beidou, GalileoGPS, A-GPS, GLONASS, Beidou, Galileo, GPS (L1+L5), GLONASS (L1), BeiDou (B1), Galileo (E1+E5a)The Z Fold4 provides more accurate positioning through the addition of more satellite systems.
SIMDual SIM Dual Standby (Nano SIM + Nano SIM)Dual SIM Dual Standby (Nano SIM + eSIM)The Z Fold4 supports the use of an eSIM as well as a physical SIM card, while the G21 only has support for physical sim cards.
Storage
Internal64 GB or 128 GB256 GB, 512 GB or 1024 GBThe Z Fold4 offers considerably more internal storage for files, apps, and media than the G21.
RAM4 GB or 6 GB12 GBThe Z Fold4 has more RAM for smoother multitasking and application performance.
Expandable StorageNoNoNeither phone offers expandable storage
Audio
Audio Quality2 microphonesDolby Atmos, Stereo SpeakersThe Z Fold4 provides a far more immersive audio experience, with support for Dolby Atmos and built-in stereo speakers.
Security
Security FeaturesSide-mounted fingerprint sensorSide-mounted fingerprint sensorBoth phones offer a secure side-mounted fingerprint sensor, but the implementation might differ.
Build Quality
Screen ProtectionUnknownCorning Gorilla Glass Victus+The Z Fold4 uses a more durable screen protection material, potentially more resistant to scratches and damage.
Sensors
SensorsBiometric: Fingerprint; Proximity: Proximity; Motion: AccelerometerBiometric: Fingerprint; Proximity: Proximity; Motion: Accelerometer, Compass, Gyroscope; Environmental: BarometerThe Z Fold4 is equipped with a more comprehensive sensor suite for a more detailed view of your environment, which enables more functions.

2. Key Insights

Nokia G21

Strengths:

  • Battery Life: The large 5050 mAh battery is its biggest asset, offering potentially excellent endurance.
  • Lightweight: The lightweight design makes it comfortable for extended use.
  • Price: The G21 is considerably more affordable, making it accessible to budget-conscious users.

Competitive Advantages:

  • Longevity: Nokia is known for its quality, but in terms of this specific feature, it's hard to compete with the Galaxy Z Fold 4.
  • Basic Functionality: It excels in basic smartphone tasks, such as calling, messaging, browsing and social media.

Trade-offs and Limitations:

  • Performance: The Unisoc T606 chipset and Mali-G57 GPU are not designed for demanding apps or heavy gaming.
  • Camera Quality: The camera system, while adequate, lacks the sophistication and quality of higher-end smartphones.
  • Display: The 720p resolution and standard LCD are decent but cannot match the sharpness and vibrance of AMOLED panels.

Samsung Galaxy Z Fold4

Strengths:

  • Performance: The Snapdragon 8+ Gen 1 chip and Adreno 730 GPU ensure top-tier performance, suitable for intensive tasks and gaming.
  • Display: The folding AMOLED screen offers an immersive experience with high resolution and a 120Hz refresh rate.
  • Camera System: The sophisticated camera setup, including multiple lenses, advanced features and great image quality.
  • Unique Form Factor: The foldable design provides a tablet-like experience when unfolded.
  • Software: The latest Android version, the additional features from Samsung's One UI software, and the long software support makes the device an amazing one, feature-wise.

Competitive Advantages:

  • Cutting-Edge Technology: It leverages top-tier components and unique design to push the envelope of smartphone technology.
  • Multimedia Experience: The combination of a large, high-quality screen, powerful audio and premium camera makes it an amazing choice for media consumption and creation.

Trade-offs and Limitations:

  • Price: The Z Fold4 is significantly more expensive than most phones, limiting its accessibility.
  • Weight and Bulk: The device's weight and thickness might make it cumbersome for some users.
  • Battery Life: The battery capacity, while decent, might not last as long as some other phones.

3. User Profiles and Recommendations

Nokia G21

Best Suited For:

  • Budget-Conscious Users: Those who need a reliable smartphone for basic tasks without breaking the bank.
  • Users Prioritizing Battery Life: Individuals who value long-lasting battery above all else.
  • First-Time Smartphone Users: Those looking for a straightforward, easy-to-use device.

Use Cases:

  • Daily Communication: Making calls, sending messages, checking emails, and browsing the internet.
  • Basic Media Consumption: Watching videos on YouTube or streaming music.
  • Casual Gaming: Playing simple, less graphically intense games.

Samsung Galaxy Z Fold4

Best Suited For:

  • Tech Enthusiasts: Users who want the latest technology and are willing to pay a premium for it.
  • Professionals on the Go: Those who need a productivity powerhouse with multi-tasking capabilities.
  • Multimedia Creators and Consumers: Individuals who enjoy watching high-resolution videos, gaming, and photography.

Use Cases:

  • Multi-Tasking: Running multiple apps simultaneously, like editing documents, attending video meetings, and browsing the web.
  • Mobile Gaming: Playing demanding games at high graphics settings.
  • Content Creation: Shooting high-quality videos, capturing professional photos, and editing on the go.
  • Media Consumption: Watching videos with great audio, enjoying music and podcasts on-the-go.
  • Productivity: Quickly accessing and manipulating data, reading and annotating documents or books.

4. Buying Decision Framework

To make your decision easier, ask yourself these questions:

  1. What is my budget? If you're on a tight budget, the Nokia G21 is the obvious choice. If you have a higher budget, the Fold 4 has a lot more to offer.
  2. What is my primary use case? If basic functionality and battery life are the main priorities, the G21 will suit your needs. If you want a device with powerful performance, great camera capabilities, and a unique folding design for enhanced multimedia and productivity, the Z Fold4 is the better option.
  3. How important are advanced features and premium experiences? If you want cutting-edge technology, advanced camera functions, and high-end design, the Z Fold4 offers these features. If you prefer something basic, the Nokia is a good choice.

Scenario-Based Recommendations:

  • Scenario 1: Everyday User: If you mostly make calls, send messages, and browse social media, and battery life is the most important thing for you, the Nokia G21 is a solid choice.
  • Scenario 2: Performance Enthusiast: If you want to play demanding games, run complex apps, and need a phone that can handle anything you throw at it, the Samsung Galaxy Z Fold4 is the superior option.
  • Scenario 3: Multimedia and Productivity User: If you frequently watch videos, edit photos, and multi-task on the go, the Z Fold4 with its large display, powerful processor, and top-of-the-line camera will provide a lot more utility.

My Choice

If I were choosing between these two devices, I would personally opt for the Samsung Galaxy Z Fold4. While it's significantly more expensive and not the best option for someone on a budget, the performance, the gorgeous and unique display, the powerful camera system, and the overall experience it provides is significantly superior and justifies the premium price for me.

The Z Fold 4 isn't just a phone; it's a technological showcase and a productivity tool rolled into one. It's the kind of device that you look forward to using every single day. The Nokia G21, while a good budget-friendly device, just can't compete with the level of innovation, power, and sheer utility that the Z Fold4 brings to the table. The trade-off in size and weight is one I'm willing to make, because of all the benefits it brings.

Alex Griffin
Alex Griffin

Technology analyst specializing in mobile devices and consumer electronics.

Core Expertise

  • Mobile technology analysis
  • Consumer electronics evaluation
  • Technical specification interpretation
  • User experience insights

Professional Mission Empowering readers to make informed technology decisions by transforming intricate specifications into understandable, practical guidance.

Demystifying technology, one device at a time.