Motorola One 5G Ace vs Samsung Galaxy S21 Ultra 5G - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date January 14, 2021 January 29, 2021
Release Year 2021 2021

Physical

Volume 125.14 cm³ 111.09 cm³
Screen Size to Weight Ratio 3.16 "/g 3 "/g
Weight 212 g 227 g
Height 166.1 mm 165.1 mm
Width 76.1 mm 75.6 mm
Thickness 9.9 mm 8.9 mm
Foldable Design No No
Available Colors
  • Frosted Silver
  • Volcanic Gray
  • Phantom Black
  • Phantom Silver
  • Phantom Titanium
  • Phantom Navy
  • Phantom Brown
  • Navy

Display

Screen Size 6.7 " 6.8 "
Resolution 1080 x 2400 1440 x 3200
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 85.7 % 89.4 %
Pixel Density 393 PPI 515 PPI
Refresh Rate N/A 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A N/A
Peak Brightness N/A 1500 nits

Hardware

Battery Capacity per Screen Area 111.38 mAh/in² 108.13 mAh/in²
Battery Density 39.96 mAh/cm³ 45.01 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM7225 Snapdragon 750G 5G (8 nm) Exynos 2100 (5 nm) - International
CPU Octa-core (2x2.2 GHz Kryo 570 & 6x1.8 GHz Kryo 570) Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International
GPU Adreno 619 Mali-G78 MP14 - International

Connectivity

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

Software

Operating System Android Android
Initial OS Version 10 11
Maximum OS Version 15

Comparison Summary

Smartphone Comparison: Motorola One 5G Ace vs. Samsung Galaxy S21 Ultra 5G

1. Specifications Comparison

Design

FeatureMotorola One 5G AceSamsung Galaxy S21 Ultra 5GPractical Impact
Dimensions166.1 × 76.1 × 9.9 mm165.1 × 75.6 × 8.9 mmThe S21 Ultra is slightly smaller and thinner, which might feel better in the hand, but both are similarly sized.
Weight212g227gThe Motorola is 15g lighter, potentially making it more comfortable for long use.
BuildUnknown screen protectionCorning Gorilla Glass VictusS21 Ultra has significantly better screen protection against scratches and drops.

Display

FeatureMotorola One 5G AceSamsung Galaxy S21 Ultra 5GPractical Impact
Size6.7"6.8"Negligible difference, both provide a large viewing area.
Resolution1080x24001440x3200S21 Ultra has a much sharper display with noticeably more detail.
PPI393515S21 Ultra's higher pixel density results in crisper text and images.
TechnologyIPS LCDAMOLEDS21 Ultra's AMOLED display offers superior contrast, deeper blacks, and more vibrant colors.
Refresh Rate60Hz120HzS21 Ultra's 120Hz display provides smoother scrolling and animations.
Brightness0 nits1500 nitsS21 Ultra offers superior visibility in bright sunlight.

Performance

FeatureMotorola One 5G AceSamsung Galaxy S21 Ultra 5GPractical Impact
ChipsetQualcomm SM7225 Snapdragon 750G 5G (8 nm)Exynos 2100 (5 nm)S21 Ultra's chipset is significantly more powerful, providing faster processing.
AnTuTu Score330,000749,000S21 Ultra offers much better performance for demanding tasks like gaming.
GPUAdreno 619Mali-G78 MP14S21 Ultra's GPU provides better graphics performance for games.

Camera

FeatureMotorola One 5G AceSamsung Galaxy S21 Ultra 5GPractical Impact
Standard Camera48MP, f/1.7108MP, f/1.8S21 Ultra captures significantly more detailed photos.
Telephoto/PortraitN/A10.8MP, f/2.4S21 Ultra offers zoom capabilities and portrait mode.
Selfie16MP, f/2.244MP, f/2.2S21 Ultra captures higher-resolution selfies.
Telephoto LensN/A10.8MP, f/4.9S21 Ultra has an additional telephoto zoom lens for further zoom.
Wide Angle Lens8MP, f/2.2N/AMotorola offers a wide angle lens for capturing wide shots.
Macro Lens2MP, f/2.4N/AMotorola offers a macro lens for capturing close ups.
Wide Angle + MacroN/A12.2MP, f/2.2S21 Ultra offers a combination lens for flexibility.
Video Recording4K@30fps8K@24fps, 4K@60fpsS21 Ultra offers much higher video resolution and frame rates for professional video recording.
DXOMark (Mobile)N/AMain: 115, Photo: 121, Video: 100S21 Ultra has a verified camera quality.
DXOMark (Selfie)N/AMain: 135, Photo: 133, Video: 140S21 Ultra has a verified selfie camera quality.
Camera FeaturesDigital zoom, Triple camera, Digital image stabilization, Autofocus, Touch focus, Phase detection autofocus (PDAF), Laser autofocus (LAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW, Night Mode4K Video, 8K Video, Digital zoom, Optical zoom, Quadruple camera, Digital image stabilization, Optical Stabilization (OIS), Autofocus, Touch focus, Continuous autofocus, Manual focus, Laser AF, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, RAW, Night ModeS21 Ultra provides optical zoom, OIS, higher quality video features.

Battery

FeatureMotorola One 5G AceSamsung Galaxy S21 Ultra 5GPractical Impact
Capacity5000mAh5000mAhBoth have a similar battery capacity for all-day usage.
Charging15W Fast Charging25W Fast ChargingS21 Ultra charges faster.
Features10W charger in-boxWireless charging 15W, Reverse wireless charging 9W, No charger in-boxS21 Ultra offers more convenient charging features.

2. Key Differences Analysis

Motorola One 5G Ace Advantages:

  • Lighter Weight: More comfortable for extended use.
  • In-box charger: Includes a charger, saving the user an extra purchase.
  • Macro Lens and Wide Angle Lens: Offers more photographic flexibility at the expense of telephoto capabilities.

Practical Implications: The Motorola is a more budget-friendly option that still offers solid performance for everyday tasks and includes some handy camera features for those who like to explore macro and wide-angle photography. The included charger adds value for those not wanting to buy additional accessories.

Samsung Galaxy S21 Ultra 5G Advantages:

  • Superior Display: Higher resolution, AMOLED panel with 120Hz refresh rate, and higher brightness for significantly improved viewing experience.
  • Much Higher Performance: Significantly faster processor and GPU for demanding tasks and smoother multitasking.
  • Professional-Grade Camera System: Higher resolution, telephoto lenses, 8K video recording, and OIS provide a more versatile and higher quality camera experience.
  • Faster Charging and Wireless Charging: Faster wired charging plus the convenience of wireless and reverse wireless charging.
  • Better Connectivity: Newer Wi-Fi and Bluetooth standards for faster and more reliable connections.
  • Dual SIM: Capability to use two SIMs at the same time.
  • Better audio experience: Dolby Atmos, Hi-Res Audio, Noise cancellation, Stereo Speakers.
  • Better screen protection: Corning Gorilla Glass Victus.
  • Additional Environmental Sensors: Includes a Barometer and Hall, Geomagnetic sensors.

Practical Implications: The S21 Ultra offers a premium smartphone experience with unmatched performance, a stunning display, and a professional-grade camera system. Its advanced charging features and connectivity options cater to users needing top-tier features.

Significant Trade-offs:

  • Motorola: Lower display quality, significantly weaker performance, less versatile camera system, and slower charging.
  • Samsung: Higher price, slightly heavier, and lacks an included charger, requiring additional expenditure if one is not already owned.

3. User Profiles & Recommendations

Ideal User for Motorola One 5G Ace:

  • Budget-conscious users: Prioritizing affordability and good value for basic smartphone functionality.
  • Casual users: Primarily using their phones for web browsing, social media, and general communication.
  • Users who prioritize battery life and comfortable weight.

Use Cases:

  • Everyday communication (calls, texts, emails).
  • Social media browsing.
  • Casual photography (macro and wide-angle).
  • Streaming videos and music.

Ideal User for Samsung Galaxy S21 Ultra 5G:

  • Power users: Demanding high performance for gaming, multitasking, and content creation.
  • Photography enthusiasts: Seeking versatile and top-tier camera quality for photos and videos.
  • Users who want a premium mobile experience: Appreciating the high-quality display, build, and advanced features.

Use Cases:

  • High-end gaming.
  • Professional photography and videography.
  • Resource-intensive multitasking.
  • Demanding mobile editing and productivity.
  • Enjoying high-quality media consumption.

Price-to-Value Ratio:

  • Motorola One 5G Ace: Offers a better price-to-value ratio for budget-conscious users looking for a reliable phone.
  • Samsung Galaxy S21 Ultra 5G: Justifies its premium price with its exceptional features and performance, but the higher cost needs to align with users' budgets.

4. Decision Framework

Key Questions for Buyers:

  1. What is your budget? The price difference between the two phones is significant.
  2. How important is performance and camera quality? The S21 Ultra is vastly superior in these areas.
  3. What are your main use cases? Casual use vs. gaming/professional photography will heavily influence the choice.

Scenario-Based Recommendations:

  • Scenario 1: Tight Budget, Basic Needs: If your budget is very limited, and you only need basic smartphone functionality, the Motorola One 5G Ace is a sensible choice.
  • Scenario 2: Performance & Photography Matters: If you need the best performance, photography and display quality, and budget is not a major concern, the Samsung Galaxy S21 Ultra 5G is the better option.
  • Scenario 3: Balancing Features and Price: If you need good performance and camera quality, but want to keep costs down, you may want to consider other phones in this price range, as neither of these phones is a middle-ground option.

Personal Choice

If I had to choose between these two phones, I would pick the Samsung Galaxy S21 Ultra 5G.

Reasoning:

While the Motorola One 5G Ace is a more budget-friendly option, the superior performance, display, and camera capabilities of the S21 Ultra make it the clear winner for me. As someone who values a high-quality camera for photography and video, and someone who does multitask and play games on their phone, the S21 Ultra's power is a must have. I am willing to pay the premium for those aspects of the phone, and I am ok with the added weight. The faster charging and wireless charging options are also desirable features for me. Although the lack of in-box charger is a drawback, I would make that compromise to receive all of the other benefits. Ultimately, the S21 Ultra better fits my needs and preferences, making it a worthwhile investment.

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.