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Feature | Details |
|---|---|
Launch Year | 2020 |
Display | 6.5-inch FHD+ Super AMOLED Infinity-O Display |
Processor | Exynos 980 / Octa-core processor, depending on market |
Camera System | 48MP Main + 12MP Ultra Wide + 5MP Macro + 5MP Depth |
Battery | 4,500mAh |
Storage Options | 6GB or 8GB RAM / 128GB Storage, depending on market |
Charging Port | USB-C |
Weight | 187g |
The Samsung Galaxy A51 5G is an older mid-range Galaxy A Series phone designed for users who want 5G connectivity, a Super AMOLED display, expandable storage and simple everyday usability.
It features a 6.5-inch FHD+ Super AMOLED Infinity-O display, Exynos 980 or octa-core processor depending on market, 128GB storage, microSD card support, 48MP quad rear camera system, 32MP front camera, 4,500mAh battery, USB-C charging, 15W fast charging support, on-screen fingerprint sensor, 3.5mm headphone jack and 5G connectivity.
Compared with the Galaxy A51 4G, the Galaxy A51 5G offers 5G support, a larger 4,500mAh battery and stronger processor performance. However, as an older model, it is not designed for heavy gaming, flagship-level photography or long-term software support compared with newer Galaxy A models.
The Galaxy A51 5G supports 5G where network coverage and carrier support are available.
Why it matters:
• Faster mobile data than the Galaxy A51 4G
• Useful for browsing, streaming and downloading on the go
• Good upgrade from older 4G-only Samsung phones
• Practical for users who want 5G at a lower price
• Suitable for everyday mobile use without paying for a flagship phone
The Galaxy A51 5G has a 6.5-inch FHD+ Super AMOLED Infinity-O display.
Why it matters:
• Super AMOLED gives better contrast and colours than many basic LCD screens
• FHD+ resolution is sharp for browsing, videos and reading
• Infinity-O design gives a cleaner front display layout
• Good for YouTube, TikTok, browsing and social media
• One of the strongest reasons to choose the Galaxy A51 5G over older budget models
The Galaxy A51 5G has a 4,500mAh battery.
Why it matters:
• Larger battery than the Galaxy A51 4G
• Suitable for normal daily use
• Good for calls, messaging, browsing and video watching
• Practical for school, work or travel days
• Helps support 5G usage better than a smaller battery phone
Feature | Specification | Why It Matters |
|---|---|---|
Display | 6.5-inch FHD+ Super AMOLED Infinity-O Display | Clear and vibrant screen for videos, browsing and daily apps |
Processor | Exynos 980 / Octa-core processor, depending on market | Better performance than the Galaxy A51 4G and suitable for everyday use |
RAM & Storage | 6GB or 8GB RAM / 128GB Storage | Practical for daily apps, photos, videos and basic multitasking |
microSD Support | Supported, up to 1TB | Useful for adding storage for photos, videos and documents |
Rear Camera System | 48MP Main + 12MP Ultra Wide + 5MP Macro + 5MP Depth | Flexible quad-camera setup for casual photos |
Front Camera | 32MP Selfie Camera | Suitable for selfies and video calls |
Battery | 4,500mAh | Better capacity than the Galaxy A51 4G for daily use |
Charging | USB-C with 15W fast charging support | Convenient charging with a modern USB-C port |
Network | 5G | Faster mobile data where 5G coverage is available |
Water Resistance | Not officially rated | Keep away from water and heavy moisture |
Feature | Galaxy A51 4G | Galaxy A51 5G | Galaxy A52 5G | Galaxy A33 5G |
|---|---|---|---|---|
Launch Year | 2019 / 2020 | 2020 | 2021 | 2022 |
Series Position | Older mid-range 4G | Older mid-range 5G | Older mid-range 5G | Budget-to-mid 5G |
Display | 6.5-inch FHD+ Super AMOLED | 6.5-inch FHD+ Super AMOLED | 6.5-inch FHD+ Super AMOLED | 6.4-inch FHD+ Super AMOLED |
Refresh Rate | 60Hz | 60Hz | 120Hz | 90Hz |
Network | 4G LTE | 5G | 5G | 5G |
Rear Camera | 48MP + 12MP + 5MP + 5MP | 48MP + 12MP + 5MP + 5MP | 64MP + 12MP + 5MP + 5MP | 48MP + 8MP + 5MP + 2MP |
Main Camera OIS | No | No | Yes | Yes |
Battery | 4,000mAh | 4,500mAh | 4,500mAh | 5,000mAh |
Water Resistance | Not officially rated | Not officially rated | IP67 | IP67 |
Best Advantage | Slim AMOLED phone at low price | 5G and larger battery than A51 4G | 120Hz display, OIS and IP67 | AMOLED, OIS, IP67 and larger battery |
Model | Recommended For |
|---|---|
Galaxy A51 5G | Users who want an affordable older Samsung phone with 5G, AMOLED display and expandable storage |
Galaxy A51 4G | Users who want a lower-cost Samsung phone with AMOLED display and do not need 5G |
Galaxy A52 5G | Users who want an older Samsung mid-range phone with 5G, OIS camera and 120Hz display |
Galaxy A33 5G | Users who want 5G, FHD+ AMOLED display, OIS camera, IP67 protection and bigger battery |
If you’re considering the Galaxy A51 5G, you may also want to compare:
Comparing similar models can help you decide whether you need the lowest price, 5G connectivity, smoother refresh rate, stronger performance, OIS camera, water resistance, newer software support or a higher-end Samsung experience.
The Galaxy A51 5G is suitable for everyday use such as calls, WhatsApp, browsing, email, YouTube, Facebook, TikTok, video calls, mobile banking and light gaming. As it is an older model, newer Galaxy A phones may feel smoother and offer better long-term software support.
Yes. The Galaxy A51 5G supports 5G where network coverage and carrier support are available. This makes it a better choice than the Galaxy A51 4G if you want faster mobile data.
Yes. The Galaxy A51 5G can be suitable for students who need a budget Samsung phone for messaging, browsing, school apps, video calls and entertainment. However, newer models may offer better battery life, durability, performance and software support.
Yes. The Galaxy A51 5G supports microSD card expansion up to 1TB. This is useful for users who want more space for photos, videos, documents and WhatsApp media.
No. The Galaxy A51 5G does not have an official IP water resistance rating. It should be kept away from rain, water splashes, pools and heavy moisture.
The Galaxy A51 5G is worth considering if you want a low-cost Samsung phone with 5G, FHD+ Super AMOLED display, expandable storage, headphone jack and basic daily performance. For smoother refresh rate, OIS camera, water resistance, better battery life or newer software support, compare it with the Galaxy A52 5G, Galaxy A33 5G, Galaxy A34 5G or Galaxy A35 5G.
The Samsung Galaxy A51 5G is suitable for users who want an affordable Samsung phone with 5G connectivity, AMOLED display and simple daily usability. It offers a 6.5-inch FHD+ Super AMOLED Infinity-O display, Exynos 980 or octa-core processor depending on market, 128GB storage, microSD support, 48MP quad rear camera system, 32MP front camera, 4,500mAh battery, USB-C charging, 15W fast charging support, on-screen fingerprint sensor, headphone jack and 5G connectivity.
For customers choosing from the Galaxy A series, the Galaxy A51 5G should be seen as a practical everyday phone rather than a flagship, gaming or premium photography-focused device. It is a good fit for users who value affordability, 5G support, AMOLED display quality, expandable storage and simple Samsung reliability.
Compare available Galaxy A51 5G listings by colour, storage capacity, condition and warranty from verified local sellers on SellUp Marketplace.
