vivo V21 5G vs Oppo Reno8 Pro - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date May 6, 2021 July 19, 2022
Release Year 2021 2022

Physical

Volume 86.15 cm³ 87.32 cm³
Screen Size to Weight Ratio 3.66 "/g 3.66 "/g
Weight 176 g 183 g
Height 159.7 mm 161.2 mm
Width 73.9 mm 74.2 mm
Thickness 7.3 mm 7.3 mm
Foldable Design No No
Available Colors
  • Arctic White
  • Dusk Blue
  • Sunset Dazzle
  • Glazed Green
  • Glazed Black
  • House of the Dragon

Display

Screen Size 6.44 " 6.7 "
Resolution 1080 x 2400 1080 x 2412
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.8 % 90.3 %
Pixel Density 409 PPI 394 PPI
Refresh Rate 90 Hz 120 Hz
Typical Brightness 500 nits 500 nits
HBM Brightness N/A 800 nits
Peak Brightness N/A 950 nits

Hardware

Battery Capacity per Screen Area 96.45 mAh/in² 100.25 mAh/in²
Battery Density 46.43 mAh/cm³ 51.54 mAh/cm³
Battery Capacity 4000 mAh 4500 mAh
NFC Support Yes Yes
Chipset Mediatek Dimensity 800U (7 nm) Mediatek Dimensity 8100 Max (5 nm)
CPU Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) Octa-core (4x2.85 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Mali-G57 MC3 Mali-G610 MC6

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 12
Maximum OS Version 14

Comparison Summary

1. Specifications Comparison

Design

Featurevivo V21 5GOppo Reno8 ProPractical Impact
Dimensions159.7 x 73.9 x 7.3 mm161.2 x 74.2 x 7.3 mmReno8 Pro is slightly taller and wider, but both share the same thinness; likely unnoticeable difference in hand.
Weight176g183gV21 5G is slightly lighter, potentially making it more comfortable for extended use.
FoldableStandardStandardBoth are standard smartphones with no folding capabilities

Display

Featurevivo V21 5GOppo Reno8 ProPractical Impact
Size6.44"6.7"Reno8 Pro has a slightly larger screen, better for media consumption and gaming.
Resolution1080x24001080x2412Minimal difference in resolution; both provide sharp images.
PPI409394Similar pixel density; both will appear equally sharp to the human eye.
TechnologyAMOLEDAMOLEDBoth phones offer vibrant colors and deep blacks.
Refresh Rate90Hz120HzReno8 Pro has a smoother display, resulting in more fluid scrolling and animations.
Brightness0 nits900 nitsReno8 Pro's higher brightness makes it much more usable outdoors in bright sunlight.

Performance

Featurevivo V21 5GOppo Reno8 ProPractical Impact
ChipsetMediatek Dimensity 800U (7 nm)Mediatek Dimensity 8100 Max (5 nm)Reno8 Pro's newer, more powerful chip means better performance, faster app loading, and smoother gaming.
Antutu Score343,150837,000Reno8 Pro is significantly faster and more responsive, especially for demanding tasks.
GPUMali-G57 MC3Mali-G610 MC6Reno8 Pro's GPU offers superior graphics performance, beneficial for gaming and graphic-intensive apps.

Camera

Featurevivo V21 5GOppo Reno8 ProPractical Impact
Main Camera Resolution64MP50MPV21 5G has a higher megapixel count; However, higher megapixels do not always mean better quality.
Main Camera Aperturef/1.79f/1.8V21 5G has a slightly wider aperture allowing more light, potentially better in low light
Main Camera Sensor SizeN/A1/1.56"Reno8 Pro's larger sensor captures more light, which can improve image quality, especially in low light.
Main Camera Sensor ModelN/ASony IMX766Reno8 Pro uses a high quality sensor, expect better image quality
Main Camera Pixel Size0.80 µm1.00 µmReno8 Pro's larger pixel size allows more light to be captured, improving low light performance.
Selfie Camera Resolution44MP32MPV21 5G has a higher resolution selfie camera.
Selfie Camera Aperturef/2.0f/2.4V21 5G's wider aperture allows more light for better selfies, especially in low light.
Selfie Camera Sensor Size1/2.65"1/2.74"V21 5G has a slightly larger sensor, which is better in low light.
Selfie Camera Sensor ModelSamsung S5KGH1Sony IMX709Both utilize quality sensors
Selfie Camera Pixel Size0.70 µm0.80 µmReno8 Pro has slightly larger pixel size.
Wide Angle Lens Resolution8MP5MPV21 5G captures more detail with its wide angle lens.
Macro Lens Resolution2MP2MPBoth macro cameras are similar with limited detail.
Macro Lens Sensor SizeN/A1/5"Reno8 Pro macro sensor size is stated and very small which means low details.
Macro Lens Sensor ModelN/AOmnivision OV02B10Reno8 Pro sensor model is known.
Macro Lens Pixel SizeN/A1.75 µmReno8 Pro pixel size is known
Video StabilizationOISEISV21 5G uses OIS which is generally better for stabilization than EIS alone
Max Slow Motion120 fps240 fpsReno8 Pro can record smoother slow-motion videos.
DXOMark ScoreN/AOverall: 114, Photo: 125, Video: 111Reno8 Pro camera performance is objectively measured with decent scores.
Camera Features4K Video, Digital zoom, Triple camera, Digital image stabilization, Optical Stabilization (OIS), Ultra stable video, Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, Panorama, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Front Flash4K Video, Digital zoom, Triple camera, Digital image stabilization, Autofocus, Touch focus, Phase detection autofocus (PDAF), Continuous shooting, Geotagging, HDR, Face detection, White balance settings, ISO settings, Exposure compensation, Scene mode, Self-timer, Night ModeV21 5G offers OIS and a front flash. Reno8 Pro includes a Night Mode.

Battery

Featurevivo V21 5GOppo Reno8 ProPractical Impact
Capacity4000mAh4500mAhReno8 Pro has a larger battery, likely offering longer battery life.
Charging33W Fast Charging80W Fast ChargingReno8 Pro charges much faster, reducing downtime waiting for a full charge.
FeaturesNon-removableNon-removableBoth have non-removable batteries

2. Key Differences Analysis

vivo V21 5G Advantages:

  • Lighter Weight: At 176g, it is 7g lighter, which might be noticeable for users who prefer lightweight phones.
  • Higher Resolution Selfie Camera: 44MP front camera could appeal to users who prioritize selfie quality.
  • Optical Image Stabilization (OIS): OIS in the main camera provides better image and video stabilization compared to only EIS, especially in low light.
  • Panorama Mode and Front Flash: Adds more photo capture options, useful for social media enthusiasts.
  • Lower Cost: Older phone, lower cost.

Oppo Reno8 Pro Advantages:

  • Superior Performance: The Dimensity 8100 Max chipset provides significantly better performance for gaming and demanding apps.
  • Smoother Display: 120Hz refresh rate screen offers more fluid scrolling and animations.
  • Significantly Brighter Screen: 900 nits brightness offers better outdoor visibility in sunlight.
  • Faster Charging: 80W charging means much shorter charging times.
  • Larger Battery: The 4500mAh battery provides more battery life.
  • Newer Software: Ships with Android 12, with an upgrade to Android 14, offering more recent features and security.
  • Superior Wifi and Bluetooth: Newer standards and features available in the Oppo Reno8 Pro.
  • Stereo Speakers Better audio experience when playing music and watching videos.
  • Better Screen Protection: Gorilla Glass 5 is more durable to scratches and breaks.
  • Advanced GPS: More accurate tracking with more options available.

Trade-offs:

  • The vivo V21 5G sacrifices performance and screen quality for a lighter build and front camera resolution.
  • The Oppo Reno8 Pro is heavier and has a slightly lower front camera resolution, but boasts significant improvements in performance, display, and battery.

3. User Profiles & Recommendations

Ideal User for vivo V21 5G:

  • Budget-conscious users: Who want a decent camera and a light weight device.
  • Selfie lovers: Prioritize a high-resolution front camera with a wider aperture for better low-light selfies.
  • Users who prioritize OIS: Those wanting a good stabilization for video recording will want OIS.
  • Users who like Panorama: Great for taking landscape photos.

Use Cases for vivo V21 5G:

  • Casual social media: Taking selfies and sharing content on social platforms.
  • Everyday photography: Capturing photos for personal use or for sharing online.
  • Basic video: Recording videos with the benefit of OIS for a smoother result.

Ideal User for Oppo Reno8 Pro:

  • Performance enthusiasts: Users who prioritize fast performance, smooth gaming, and quick app loading.
  • Users who consume content outdoors: Benefit from the significantly brighter display for use in direct sunlight.
  • Frequent travelers: Benefit from long-lasting battery life and fast charging.
  • Gamers: Will appreciate the powerful processor, graphics, and smoother refresh rate for gaming.
  • Those wanting the newest tech: The Reno8 Pro has superior features, more advanced tech, and a higher standard of audio, GPS, WiFi and Bluetooth.

Use Cases for Oppo Reno8 Pro:

  • Mobile gaming: Playing demanding games with smooth graphics.
  • Outdoor use: Easily viewable screen in bright conditions, perfect for travelers and outdoor activities.
  • Video creation: Recording high-quality videos with stabilization.
  • Multi-tasking: Quickly switch between multiple apps thanks to the extra RAM
  • Long days: Battery life and charging speed means not needing to plug in during the day.

4. Decision Framework

Key Questions for Buyers:

  1. Performance: How important is fast performance for my daily use? Are you a gamer or heavy app user?
  2. Display: Do you often use your phone outdoors? Do you value screen smoothness for scrolling and gaming?
  3. Battery: Do you prefer longer battery life and faster charging over a lighter phone?

Scenario-Based Recommendations:

  • Scenario 1: Budget-conscious, casual user: If you want a cheaper phone, care about selfie quality, and are not a heavy user, the vivo V21 5G is suitable.
  • Scenario 2: Performance-focused, heavy user: If you prioritize the fastest performance, gaming, a great screen, and battery life, the Oppo Reno8 Pro is the clear choice.
  • Scenario 3: Outdoor enthusiast: If outdoor visibility and long battery life is a must, the Oppo Reno8 Pro excels.

My Choice

I would choose the Oppo Reno8 Pro. While the vivo V21 5G has some strengths, such as a higher-resolution front camera and OIS, the Reno8 Pro’s strengths are more impactful on the overall user experience. The Dimensity 8100 Max chipset offers a huge performance boost, making everyday tasks smoother and gaming more enjoyable. The 120Hz screen is noticeably more pleasant to use, and the brighter display is crucial for anyone who uses their phone outdoors regularly. Finally, the significantly faster charging and longer battery life are game changers for convenience.

While the vivo V21 5G is a competent phone, the Reno8 Pro is a significant upgrade across most key areas. As such, the slightly higher price is worth the investment for the enhanced performance, screen and battery experience.

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.