vivo V21 5G vs Xiaomi 13 Ultra - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date May 6, 2021 April 21, 2023
Release Year 2021 2023

Physical

Volume 86.15 cm³ 110.79 cm³
Screen Size to Weight Ratio 3.66 "/g 2.96 "/g
Weight 176 g 227 g
Height 159.7 mm 163.2 mm
Width 73.9 mm 74.6 mm
Thickness 7.3 mm 9.1 mm
Foldable Design No No
Available Colors
  • Arctic White
  • Dusk Blue
  • Sunset Dazzle
  • Black
  • Yellow
  • Blue
  • White
  • Orange
  • Olive Green

Display

Screen Size 6.44 " 6.73 "
Resolution 1080 x 2400 1440 x 3200
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.8 % 89.8 %
Pixel Density 409 PPI 522 PPI
Refresh Rate 90 Hz 120 Hz
Typical Brightness 500 nits N/A
HBM Brightness N/A 1300 nits
Peak Brightness N/A 2600 nits

Hardware

Battery Capacity per Screen Area 96.45 mAh/in² 110.39 mAh/in²
Battery Density 46.43 mAh/cm³ 45.13 mAh/cm³
Battery Capacity 4000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek Dimensity 800U (7 nm) Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm)
CPU Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) Octa-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)
GPU Mali-G57 MC3 Adreno 740

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 13
Maximum OS Version 14

Comparison Summary

1. Specifications Comparison

Design

Featurevivo V21 5GXiaomi 13 UltraPractical Impact
Dimensions159.7 × 73.9 × 7.3 mm163.2 × 74.6 × 9.1 mmThe Xiaomi 13 Ultra is noticeably taller and thicker, making the V21 5G feel more compact and potentially easier to handle for some users.
Weight176g227gThe vivo V21 5G is significantly lighter, making it more comfortable for extended use and easier to carry. The Xiaomi 13 Ultra feels substantial and may be less comfortable for smaller hands.
Build MaterialUnknownCorning Gorilla Glass Victus 2The Xiaomi 13 Ultra offers superior screen protection against scratches and drops. The Vivo V21 5G screen protection is unknown, but likely less durable.

Display

Featurevivo V21 5GXiaomi 13 UltraPractical Impact
Size6.44"6.73"The Xiaomi 13 Ultra provides a slightly larger screen, offering a more immersive viewing experience for media consumption and gaming. The difference is not huge, but noticeable.
Resolution1080x24001440x3200The Xiaomi 13 Ultra boasts significantly higher resolution, resulting in sharper text, images, and video. This is especially noticeable when reading or viewing high-quality content.
PPI409522The higher pixel density on the Xiaomi 13 Ultra means finer details and a sharper overall display, making text and images look crisper, which is a benefit for all use cases.
TechnologyAMOLEDAMOLEDBoth offer vibrant colors and deep blacks, characteristic of AMOLED technology, ensuring good viewing experiences
Refresh Rate90Hz120HzThe 120Hz refresh rate of the Xiaomi 13 Ultra provides slightly smoother scrolling and animations, which may be noticeable when gaming or navigating the user interface.
Brightness0 nits2600 nitsThe Xiaomi 13 Ultra offers extremely high brightness, crucial for clear visibility in direct sunlight, while the Vivo V21 5G is unknown and will likely be much lower, thus harder to see in sunny conditions.

Performance

Featurevivo V21 5GXiaomi 13 UltraPractical Impact
ChipsetMediatek Dimensity 800U (7 nm)Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm)The Xiaomi 13 Ultra's Snapdragon 8 Gen 2 is a much more powerful chip, leading to faster app loading, smoother multitasking, and better gaming performance. The vivo V21 5G will perform slower and may lag with heavy use.
AnTuTu Score343,1501,532,113This benchmark clearly illustrates the significant performance gap. The Xiaomi 13 Ultra is much faster for demanding tasks and gaming. The vivo V21 5G will not perform well on resource heavy apps or games.
GPUMali-G57 MC3Adreno 740The Adreno 740 in the Xiaomi 13 Ultra is substantially more powerful, leading to better graphics in games and other visually intensive applications. The Mali-G57 MC3 will struggle with high-end graphics.

Camera

Featurevivo V21 5GXiaomi 13 UltraPractical Impact
Main Camera Resolution64MP50MPAlthough the vivo V21 5G has a higher megapixel count, the Xiaomi 13 Ultra's larger sensor size and better aperture will typically result in superior image quality, especially in low light. The vivo V21 5G will have less detailed images in comparison.
Main Camera Sensor SizeUnknown1" (Sony IMX989)The Xiaomi 13 Ultra's large sensor captures significantly more light, leading to better low-light performance and dynamic range. The vivo V21 5G's sensor size is unknown.
Main Camera Pixel Size0.80 µm1.60 µmThe larger pixel size of the Xiaomi 13 Ultra allows it to capture more light, improving low-light performance and image detail. The vivo V21 5G captures less light due to its smaller pixel size.
Additional CamerasWide-Angle (8MP), Macro (2MP)Telephoto + portrait (50MP), Telephoto (50MP), Wide-Angle + Macro (50MP)The Xiaomi 13 Ultra offers a more versatile camera system with dedicated telephoto and wide-angle lenses, while the vivo V21 5G's secondary cameras are basic and may lack detail.
Selfie Camera Resolution44MP32MPWhile the vivo V21 5G has a higher resolution selfie camera, overall performance is not always directly tied to megapixels, and the sensor and image processing play major roles. Both will produce good selfies for social media.
Video Recording4K@30fps (OIS), 1080p@60fps (OIS)8K@24fps (HDR, EIS), 4K up to 60fps (HDR, EIS)The Xiaomi 13 Ultra offers higher video resolution options, making it ideal for high-quality video capture. The vivo V21 5G is limited to 4K@30fps, and does not have 8K capability. Both offer OIS for smoother video.
DXOMark ScoreNot TestedMobile: 140, Selfie: 128The Xiaomi 13 Ultra's excellent DXOMark scores reflect its high camera performance and the vivo V21 5G has not been tested.
Camera FeaturesTriple camera, Front FlashQuadruple camera, Optical zoom, RAW 14 bits, Tracking AF, Laser AF, Time-Lapse, Night mode, Noise Reduction, Flicker SensorThe Xiaomi 13 Ultra provides more advanced features like RAW capture, laser focus, and various modes, giving users greater control. The Vivo V21 5G has basic features but lacks more advanced options.

Battery

Featurevivo V21 5GXiaomi 13 UltraPractical Impact
Capacity4000mAh5000mAhThe Xiaomi 13 Ultra's larger battery should provide significantly longer battery life, which is great for users who are often away from a power source or use their phones heavily.
Charging33W Fast Charging90W Fast Charging, 50W Wireless, 10W Wireless ReverseThe Xiaomi 13 Ultra will charge much faster via cable and offers wireless charging options, making it more convenient. The Vivo V21 5G is limited to 33W.
Battery FeaturesNon-removableReverse charging, 50W wireless charge, 10W wireless reverse charge, Surging P2 & G1 chipsThe Xiaomi 13 Ultra provides additional battery features like reverse charging (charging other devices) and faster wireless charging, which gives the phone a much greater advantage. The vivo V21 5G doesn't offer any special features other than being a non-removable battery.

2. Key Differences Analysis

vivo V21 5G Advantages

  • Lighter and more compact: The V21 5G's lighter weight and smaller size make it more comfortable for one-handed use and easier to carry around.
  • Higher resolution selfie camera: Offers a 44MP selfie camera, which might appeal to those who prioritize front-facing camera specs for social media or video calls, but not necessarily better images.
  • More affordable: As an older mid-range phone, the vivo V21 5G will be significantly more affordable than the premium Xiaomi 13 Ultra.
  • Wider Angle lens and macro lens: The V21 5G offers a dedicated wide angle and macro lens, while the Xiaomi 13 Ultra's wide angle lens is shared with its macro lens.

    Xiaomi 13 Ultra Advantages

  • Superior Performance: The Snapdragon 8 Gen 2 chipset provides significantly faster performance for all tasks, including gaming and demanding applications.

  • Exceptional Display: The higher resolution, pixel density, and brightness offer a much better viewing experience, especially in bright sunlight.
  • Versatile and high-quality camera system: The 1" main sensor and advanced telephoto lenses deliver significantly better image quality, especially in low light and flexibility of shooting conditions.
  • Faster Charging and Wireless Charging: The 90W wired charging and wireless charging options provide more convenience.
  • Larger Battery: Provides significantly longer battery life due to larger capacity and more efficient power management.
  • Advanced Features: Includes features such as a barometer, better wifi and Bluetooth, and better audio.
  • Superior build quality: Includes Corning Gorilla Glass Victus 2 protection on the screen.

Significant Trade-offs

  • The Xiaomi 13 Ultra is significantly larger, heavier, and more expensive than the vivo V21 5G.
  • The vivo V21 5G has a higher resolution selfie camera but doesn't have the more advanced main camera system. The overall image quality is a lot better on the Xiaomi 13 Ultra.

3. User Profiles & Recommendations

vivo V21 5G: Ideal User

  • Budget-Conscious Users: Those looking for a capable phone at a lower price point.
  • Users with Smaller Hands: The lighter weight and smaller dimensions make it easier to handle and carry.
  • Casual Photographers: Users who don't require the highest-end camera capabilities and primarily take pictures in good lighting.
  • Basic Use Cases: Those who mainly use their phones for social media, calls, browsing, and light gaming.

Xiaomi 13 Ultra: Ideal User

  • Power Users: Those who need the best possible performance for gaming, multitasking, and demanding applications.
  • Photography Enthusiasts: Users who want a versatile camera system with excellent image quality in all conditions.
  • Users Who Value Display Quality: Those who want the sharpest, brightest display for media consumption.
  • Users Needing Long Battery Life and Fast Charging: Those who need a phone that can last all day with heavy usage and can be recharged quickly.
  • Users who value advanced features: Those who want additional features like reverse wireless charging, high quality audio, and superior connectivity.

Specific Use Cases

  • vivo V21 5G:
    • Social media browsing, messaging, and casual video calls.
    • Light gaming that does not require high graphical performance.
    • Everyday use for users who prioritize a lighter, compact phone.
  • Xiaomi 13 Ultra:
    • Mobile photography and videography, especially in low-light conditions.
    • High-end mobile gaming and video editing.
    • Professional tasks that demand high performance, reliability, and detailed displays.
    • Long days with no charger due to its large battery.
    • High-quality audio experience and good voice capture for meetings or calls.

4. Decision Framework

Key Questions for Buyers

  1. What is your budget? The Xiaomi 13 Ultra is a premium phone with a premium price, whereas the vivo V21 5G is a mid-range device, and is significantly cheaper.
  2. What are your primary use cases? Are you a casual user or a power user? Do you require a high-end camera or just a basic one?
  3. How important is size and weight? The vivo V21 5G is much lighter and smaller than the Xiaomi 13 Ultra, which might be critical for some users.

Scenario-Based Recommendations

  • Scenario 1: Budget-Conscious User
    • Recommendation: vivo V21 5G. It provides good basic performance and camera at a much lower price point.
  • Scenario 2: Mobile Photographer
    • Recommendation: Xiaomi 13 Ultra. It offers a superior camera system with better low-light performance, flexibility, and video recording capabilities.
  • Scenario 3: Performance-Oriented User
    • Recommendation: Xiaomi 13 Ultra. The Snapdragon 8 Gen 2 and significantly more RAM provide much better performance for gaming, heavy multitasking, and demanding apps.
  • Scenario 4: User who values portability
    • Recommendation: vivo V21 5G. It is much lighter and smaller than the Xiaomi 13 Ultra, making it easy to use one-handed and carry.

What I would Choose and Why

If I had to choose between these two phones, I would choose the Xiaomi 13 Ultra, even though it is significantly more expensive. Here's why:

  • Future-Proofing: The Snapdragon 8 Gen 2 chipset and greater RAM in the Xiaomi 13 Ultra provide significantly more performance headroom, making it more future-proof for demanding applications and games in the coming years. This is very important for me, as I prefer to keep my phone for at least 3-4 years.
  • Camera Performance: I value high-quality photography and video, and the Xiaomi 13 Ultra's 1-inch sensor and versatile telephoto lenses are unmatched in this comparison. The additional camera features also mean I can do more with my phone's camera.
  • Display Quality: The higher resolution, brightness, and refresh rate of the Xiaomi 13 Ultra display significantly enhance the viewing experience for everyday use, media consumption, and gaming. As someone who enjoys watching videos on their phone, this is a very important feature.
  • Battery Life and Charging: The larger battery capacity and faster charging speeds (both wired and wireless) on the Xiaomi 13 Ultra would significantly improve my daily convenience and eliminate any concerns about running out of battery.
  • Advanced Features: The additional connectivity and audio features of the Xiaomi 13 Ultra would provide a better overall experience.

While the vivo V21 5G might appeal to a more budget-conscious user, the Xiaomi 13 Ultra is superior in every aspect that matters to me: performance, camera, display, and battery life. The increased size and weight are trade-offs I am willing to accept for the enhanced functionality and performance it provides.

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.