Realme C51 vs Asus Zenfone 11 Ultra - Detailed Phone Comparison

Detailed Comparison

Specification
Realme C51
Realme C51
Realme

General

Launch Date August 1, 2023 April 14, 2024
Release Year 2023 2024

Physical

Volume 102.59 cm³ 111.96 cm³
Screen Size to Weight Ratio 3.62 "/g 3.03 "/g
Weight 186 g 224 g
Height 167.2 mm 163.8 mm
Width 76.7 mm 76.8 mm
Thickness 8 mm 8.9 mm
Foldable Design No No
Available Colors
  • Mint Green
  • Carbon Black
  • Eternal Black
  • Skyline Blue
  • Misty Gray
  • Desert Sand

Display

Screen Size 6.74 " 6.78 "
Resolution 720 x 1600 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 85.5 % 88.2 %
Pixel Density 260 PPI 388 PPI
Refresh Rate 90 Hz 144 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 1600 nits
Peak Brightness 560 nits 2500 nits

Hardware

Battery Capacity per Screen Area 110.07 mAh/in² 119.65 mAh/in²
Battery Density 48.74 mAh/cm³ 49.12 mAh/cm³
Battery Capacity 5000 mAh 5500 mAh
NFC Support Yes Yes
Chipset Unisoc Tiger T612 (12 nm) Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
CPU Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
GPU Mali-G57 Adreno 750

Connectivity

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

Software

Operating System Android Android
Initial OS Version 13 14
Maximum OS Version 16

Comparison Summary

Let's dive into a user-centered comparison of the Realme C51 and the Asus Zenfone 11 Ultra. Instead of just listing specs, we'll explore how these features translate into real-world experiences for different users.

1. Design and Usability Assessment:

FeatureRealme C51Asus Zenfone 11 UltraUser Experience Impact
Display6.74" IPS LCD, 90Hz6.78" LTPO AMOLED, 144Hz, HDR10+, up to 2500 nitsZenfone offers a significantly richer, smoother, and brighter visual experience. Outdoors visibility is superior.
Interface DesignAndroid 13 (stock-like experience expected)Android 14 (Asus custom UI)Zenfone might offer more customization but could potentially introduce bloatware.
Interaction FlowStandard Android navigationPotentially customized gestures & featuresZenfone's higher refresh rate makes interactions feel incredibly fluid.
Design ErgonomicsLighter (186g)Heavier (224g), slightly thickerRealme C51 might be more comfortable for extended use, especially one-handed.

2. Narrative-Driven Feature Exploration:

Scenario: Imagine a photography enthusiast, Sarah, trying to capture a vibrant sunset. With the Zenfone 11 Ultra's superior display brightness and HDR10+ support, Sarah can clearly see the details and compose her shot even in direct sunlight. The 8K video recording capability allows her to capture the scene in stunning detail. Meanwhile, the Realme C51's LCD struggles in bright light, and the 1080p video lacks the same level of detail.

Scenario: David, a college student, needs a phone with all-day battery life. Both phones boast large batteries, but the Zenfone 11 Ultra's power-hungry display and processor might drain faster. The Realme C51, with its efficient chipset and lower resolution display, could offer longer battery life for basic tasks like browsing and messaging.

3. Inclusive Technology Evaluation:

  • For the budget-conscious user: The Realme C51's lower price point makes it accessible.
  • For the power user: The Zenfone 11 Ultra offers top-tier performance and features for demanding tasks like gaming and content creation.
  • For the senior user: The Realme C51's simpler interface and lighter weight might be preferable. However, the Zenfone 11 Ultra's brighter display could be beneficial for those with vision impairments.

4. Design-Centric Decision Framework:

The Realme C51 prioritizes practicality and affordability. It's a reliable device for everyday tasks without breaking the bank. The Zenfone 11 Ultra, on the other hand, is a flagship designed for performance and premium experiences. It caters to users who demand the best in terms of display, processing power, and camera capabilities.

My Choice:

As Sophia Rodriguez, I would choose the Asus Zenfone 11 Ultra. While the Realme C51 offers excellent value, the Zenfone 11 Ultra aligns more closely with my appreciation for cutting-edge technology and superior user experiences. The brilliant display, powerful processor, and advanced camera capabilities create a compelling package. Yes, it comes at a higher price, but the investment is justified for the significant jump in quality and performance. The fluid 144Hz display alone would make a huge difference in daily interaction, creating a more enjoyable and responsive experience. Furthermore, as a technology communicator, having access to the latest innovations is crucial for staying at the forefront of the industry.

Sophia Rodriguez
Sophia Rodriguez

Technology Communications Specialist

Expert in transforming complex technological innovations into accessible, engaging narratives.

Key Strengths:

  • Technology storytelling
  • User experience design analysis
  • Inclusive technology communication
  • Design-driven technology insights

Bridging technical complexity with human-centered understanding.