Market reality matters more than launch price now. I checked physical stores in Bashundhara City and local Dhaka markets, along with online Bangladeshi sellers. Both the OnePlus 7T and OnePlus 8 are unofficially available only, with prices depending heavily on condition and storage. The OnePlus 7T is more common in refurbished form, while the OnePlus 8 usually costs slightly more due to newer internals and 5G support, even though 5G isn’t active yet. Weekly price fluctuation is normal, so value depends more on unit condition than sticker price.

Unofficial Market Buying Risk

Since there’s no official warranty, I noticed battery health and display quality varied a lot between units. Physical inspection before buying is crucial.

Long gaming sessions revealed clear behavior differences. I played PUBG, COD Mobile, and Genshin Impact on both phones in warm rooms without cooling. The OnePlus 7T delivered strong initial performance but heated up faster during extended play. The OnePlus 8 stayed more stable over time, with fewer frame drops in heavier scenes. Compared to similarly priced older flagships in Bangladesh, both still feel smooth, but the OnePlus 8 handles sustained gaming more comfortably.

Network behavior was tested across regular daily locations using Grameenphone, Banglalink, Airtel, and Robi SIMs. On 2G and 3G, both phones delivered similar call quality. Differences appeared on 4G LTE, where the OnePlus 8 held signals more consistently in congested areas and indoors. Data stability during movement was also slightly better on the OnePlus 8. Wi-Fi performance remained stable on both, though the OnePlus 8 showed fewer random drops on crowded networks. While 5G network isn’t active in Bangladesh yet, the OnePlus 8 offers better readiness for future network upgrades.

In daily shooting, differences showed up quickly. Daylight photos from the OnePlus 7T looked sharp and contrasty, while the OnePlus 8 delivered more balanced colors and dynamic range. Low-light shots were more consistent on the OnePlus 8, with cleaner results. Video stabilization also felt steadier on the OnePlus 8. Overall, I trusted the OnePlus 8 more across mixed lighting situations.

Both displays are AMOLED display, but comfort varied. The OnePlus 8 felt easier on the eyes during long scrolling and video sessions, especially indoors. Outdoor visibility was also slightly better on the OnePlus 8. The OnePlus 7T remained sharp and smooth, but side by side, the OnePlus 8 felt more refined for everyday viewing.

Choose the OnePlus 8 if you want better battery balance, steadier network performance, and smoother long-term use. Pick the OnePlus 7T if loud audio and punchy performance matter more.

After real daily use, the OnePlus 8 suits most Bangladeshi users today for balance and efficiency, while the OnePlus 7T still appeals to performance-focused buyers.

Which phone heats less during gaming?
The OnePlus 8 manages heat better in long sessions, while the OnePlus 7T warms up faster under continuous load.

Is the OnePlus 8 noticeably faster?
Not dramatically, but it feels smoother and more stable over long daily use compared to the OnePlus 7T.

Which camera is more reliable overall?
The OnePlus 8 delivers more consistent results, especially in low light and video recording.

How is battery life on used units?
The OnePlus 8 lasts longer daily, while the OnePlus 7T shows quicker drain on older batteries.

Are unofficial units risky to buy?
Yes, condition varies widely, so checking battery health and display quality before buying is essential.

Which one handles Bangladeshi networks better?
The OnePlus 8 holds 4G signals more consistently across different operators and locations.