Samsung Galaxy S21 FE 5G vs OPPO Reno15 Pro 5G: Specs, Price & Best Pick
An older Samsung flagship-class phone faces a much newer OPPO premium mid-range model with a 200MP triple camera, 6500mAh battery and 80W charging.
India-focused Samsung Galaxy S21 FE 5G vs OPPO Reno15 Pro 5G comparison covering display, performance, cameras, battery, charging, software, durability, memory, connectivity and listed prices.
Updated: 21 Aug 2026, 5:30 am
AI quick verdict
No overall winner yet; Oppo leads on battery and price, while Samsung has verified display and camera points.
The verified data does not support a single confident overall winner. Oppo Reno15 Pro 5G is cheaper and has the stronger verified battery profile, plus more RAM and storage. Samsung S21 FE 5G still has verified OIS, a 32MP front camera, and a 120Hz AMOLED display, but the available data is still incomplete for a final call.
Device 1
Device 2
AI analysis
Key differences
Price
Oppo Reno15 Pro 5GOppo Reno15 Pro 5G is priced lower by ₹2,000, so it is the cheaper option here. The price gap is meaningful, not just a tiny difference.
- • Oppo Reno15 Pro 5G: ₹72,999
- • Samsung S21 FE 5G: ₹74,999
Battery
Oppo Reno15 Pro 5GOppo Reno15 Pro 5G has the larger 6,500mAh battery and the better deterministic battery score. That gives it the clearer battery advantage.
- • Oppo Reno15 Pro 5G: 6,500mAh battery
- • Battery score: Oppo 8.2 vs Samsung 5.7
RAM and storage
Oppo Reno15 Pro 5GOppo Reno15 Pro 5G offers more RAM and much more storage. That is a practical edge for app-heavy use and keeping more files on the phone.
- • Oppo Reno15 Pro 5G: 12GB RAM, 512GB storage
- • Samsung S21 FE 5G: 8GB RAM, 128GB storage
Camera setup
No clear winnerSamsung S21 FE 5G has verified OIS and a 32MP front camera, while Oppo Reno15 Pro 5G has a 200MP rear camera and no verified OIS. The current verified camera data is still not enough to name a reliable winner overall.
- • Samsung S21 FE 5G: OIS verified, 32MP front camera
- • Oppo Reno15 Pro 5G: 200MP rear camera, OIS absent
Display
No clear winnerSamsung S21 FE 5G has a verified 6.4-inch AMOLED display with 120Hz refresh rate, but Oppo Reno15 Pro 5G's display details are not verified. That leaves the display comparison incomplete.
- • Samsung S21 FE 5G: 6.4-inch AMOLED, 120Hz
- • Oppo Reno15 Pro 5G: display details are unavailable in the verified data
Detailed analysis
Category deep dive
Value
No clear winnerOppo Reno15 Pro 5G is cheaper by ₹2,000 and also brings more RAM, more storage and a stronger battery profile. Even so, the deterministic comparison marks value as insufficient for a reliable winner, so no value call is made. The verified data supports a price advantage, but not a final value winner.
- • Oppo Reno15 Pro 5G: ₹72,999
- • Samsung S21 FE 5G: ₹74,999
- • Value comparison is not marked comparable in the deterministic context
Camera
No clear winnerThe camera comparison has useful differences, but the verified data is still incomplete for a confident winner. Samsung S21 FE 5G has verified OIS and a 32MP front camera, while Oppo Reno15 Pro 5G has a 200MP rear camera and no OIS. Camera scores are unavailable, so the safer conclusion is that there is not enough verified data to pick a clear overall camera winner.
- • Samsung S21 FE 5G: OIS verified, 32MP front camera
- • Oppo Reno15 Pro 5G: 200MP rear camera, OIS absent
- • Camera scores: not available
Battery
Oppo Reno15 Pro 5GOppo Reno15 Pro 5G is the clear battery leader in the verified data. It has a 6,500mAh battery compared with 4,500mAh on Samsung S21 FE 5G, and its deterministic battery score is also higher. For buyers who care most about battery capacity, Oppo is the stronger pick.
- • Oppo Reno15 Pro 5G: 6,500mAh battery
- • Samsung S21 FE 5G: 4,500mAh battery
- • Battery score: Oppo 8.2 vs Samsung 5.7
Display
No clear winnerDisplay comparison remains incomplete because Oppo Reno15 Pro 5G does not have verified display details in the supplied data. Samsung S21 FE 5G does have a verified 6.4-inch AMOLED panel with 120Hz refresh rate. Without comparable verified display data on both sides, no display winner can be named.
- • Samsung S21 FE 5G: 6.4-inch AMOLED display, 120Hz refresh rate
- • Oppo Reno15 Pro 5G: display size, type and refresh rate are not verified
Software
No clear winnerVerified operating system and update-support details are unavailable for both phones. Because long-term support data is missing, no software winner can be declared. This also means long-term use should not be recommended from update support here.
- • Operating system details are not verified for either phone
- • Update-support years are not verified for either phone
Performance
No clear winnerThe deterministic performance scores are tied, so neither phone can be called the performance winner. Oppo Reno15 Pro 5G pairs a Dimensity 8450 with 12GB RAM, while Samsung S21 FE 5G uses a 5nm Exynos 2100 with 8GB RAM. That is enough to describe the hardware difference, but not enough to declare a winner beyond the tie score.
- • Performance score: Oppo 8.2, Samsung 8.2
- • Oppo Reno15 Pro 5G: Dimensity 8450, 12GB RAM
- • Samsung S21 FE 5G: 5nm Exynos 2100, 8GB RAM
Buying recommendations
Best for
Gaming
Both phones have the same verified performance score, so there is no clear gaming winner from the supplied data.
Camera
Samsung S21 FE 5G has verified OIS and a 32MP front camera, while Oppo Reno15 Pro 5G has a 200MP rear camera, but the verified camera data is still not enough to choose one overall.
Battery
Oppo Reno15 Pro 5G has the larger 6,500mAh battery and the stronger deterministic battery score, so it is the safer battery pick.
Display
Samsung S21 FE 5G has a verified 120Hz AMOLED display, but Oppo Reno15 Pro 5G's display details are not verified, so no display winner can be named.
Value
Oppo Reno15 Pro 5G is cheaper and better equipped in battery, RAM and storage, but the deterministic value comparison still does not support a reliable winner.
Long-term use
Verified software update-support data is unavailable for both phones, so long-term use cannot be judged responsibly.
Everyday use
Oppo Reno15 Pro 5G combines a lower price with more RAM, much more storage and a bigger battery, which makes it the more practical everyday option in the verified data.
Who should buy which phone?
Gamers
The verified performance scores are tied, so there is no clear gaming winner from the supplied data.
Students
The lower price, 12GB RAM, 512GB storage and 6,500mAh battery make Oppo Reno15 Pro 5G the more practical student pick from the verified data.
Heavy Users
Oppo Reno15 Pro 5G is better suited to heavy use because it has 12GB RAM, 512GB storage and a 6,500mAh battery.
Camera Users
Samsung S21 FE 5G has verified OIS and a 32MP front camera, while Oppo Reno15 Pro 5G has a 200MP rear camera, but the camera comparison is still too incomplete for a clear winner.
Value Buyers
Oppo Reno15 Pro 5G is ₹2,000 cheaper and also offers more RAM, more storage and a stronger battery profile.
Long Term Users
Verified software or update-support information is unavailable for both phones, so long-term support cannot be compared.
Comparison table
| Feature | Samsung S21 FE 5G | Oppo Reno15 Pro 5G | Winner |
|---|---|---|---|
Current Price | ₹74,999 | ₹72,999Best | Oppo Reno15 Pro 5G |
Processor | Exynos 2100 (5nm) | MediaTek Dimensity 8450 (4nm)Best | Oppo Reno15 Pro 5G |
RAM | 8 GB LPDDR5 | 12 GB LPDDR5XBest | Oppo Reno15 Pro 5G |
Storage | 128 GB | 512 GB UFS 3.1Best | Oppo Reno15 Pro 5G |
Display | 6.4-inch Dynamic AMOLED 2X | 6.78-inch AMOLEDBest | Oppo Reno15 Pro 5G |
Resolution | 2340×1080 | 2772×1272Best | Oppo Reno15 Pro 5G |
Refresh RateTie | 120 Hz | 120 Hz | Tie |
Peak/HBM Brightness | Up to 1200 nits | 1800 nits HBMBest | Oppo Reno15 Pro 5G |
Main Camera | 12MP, OIS | 200MP, OISBest | Oppo Reno15 Pro 5G |
Ultra-wide Camera | 12MP | 50MP AFBest | Oppo Reno15 Pro 5G |
Telephoto Camera | 8MP, OIS, 3x optical | 50MP, OIS, 3.5x opticalBest | Oppo Reno15 Pro 5G |
Front Camera | 32MP | 50MP AFBest | Oppo Reno15 Pro 5G |
4K 60fps VideoTie | Yes | Yes | Tie |
Battery | 4500mAh | 6500mAhBest | Oppo Reno15 Pro 5G |
Wired Charging | 25W | 80W SUPERVOOCBest | Oppo Reno15 Pro 5G |
Wireless Charging | 15W | 50W AIRVOOCBest | Oppo Reno15 Pro 5G |
Water/Dust Resistance | IP68 | IP69/IP68/IP66Best | Oppo Reno15 Pro 5G |
Operating System | Android 12 at launch | ColorOS 16Best | Oppo Reno15 Pro 5G |
5G | Yes | Yes | — |
Wi-Fi | Wi-Fi 6 | Wi-Fi 6 | — |
Bluetooth | Bluetooth 5.0 | Bluetooth 5.4Best | Oppo Reno15 Pro 5G |
Comparison scores
| Category | Samsung S21 FE 5G | Oppo Reno15 Pro 5G | Winner | Confidence |
|---|---|---|---|---|
| Performance | 8.2 | 8.2 | — | tie |
| Display | — | — | — | insufficient_data |
| Battery | 5.7 | 8.2 | Oppo Reno15 Pro 5G | high |
| Camera | — | — | — | insufficient_data |
| Software & Updates | — | — | — | insufficient_data |
| Value for Money | — | — | — | insufficient_data |
Pros and cons
Samsung S21 FE 5G
Pros
- Verified OIS on the rear camera
- Verified 6.4-inch AMOLED display with 120Hz refresh rate
Cons
- Smaller 4,500mAh battery than Oppo Reno15 Pro 5G
- Lower RAM and storage than Oppo Reno15 Pro 5G, at a higher current price
Oppo Reno15 Pro 5G
Pros
- Larger 6,500mAh battery
- 12GB RAM and 512GB storage
- Lower current price than Samsung S21 FE 5G
Cons
- Rear camera does not have OIS
- Display details are not verified in the supplied data
AI buying guidance
Buyer guide
Choose Device 1
Buy Samsung S21 FE 5G if
- You want verified OIS on the rear camera.
- You want a 32MP front camera in the verified specs.
- You want a verified 6.4-inch AMOLED display with 120Hz refresh rate.
Choose Device 2
Buy Oppo Reno15 Pro 5G if
- You want the lower current price of ₹72,999.
- You want 12GB RAM and 512GB storage.
- You want the larger 6,500mAh battery and the stronger battery score.
Quick decision rule
AI + verified factsChoose Samsung S21 FE 5G if verified camera stabilization and the confirmed AMOLED/120Hz display matter more to you. Choose Oppo Reno15 Pro 5G if you want the lower price, bigger battery, and much higher RAM/storage. The verified data does not support a single overall winner beyond those trade-offs.
Final verdict
This is a comparison where the verified data clearly favors Oppo Reno15 Pro 5G on battery, RAM, storage and current price, but it still does not justify a full overall winner. Samsung S21 FE 5G keeps a meaningful edge in verified display and camera points, including OIS and a 32MP front camera. Performance is tied, and software update support is not verified for either phone. Buyers should decide based on whether they value battery and storage more, or Samsung's verified camera and display specs more.
Buyer questions
Frequently asked questions
Which phone has the better battery on verified data?
Oppo Reno15 Pro 5G. It has a 6,500mAh battery and a higher deterministic battery score than Samsung S21 FE 5G.
Why is there no overall winner?
Several major categories have incomplete verified data or tied scores, including performance, display, camera and software support. That is not enough to make a reliable single winner call.
Which phone is cheaper in India right now?
Oppo Reno15 Pro 5G is cheaper at ₹72,999, compared with ₹74,999 for Samsung S21 FE 5G.
Which phone offers more storage for apps and files?
Oppo Reno15 Pro 5G, with 512GB storage versus 128GB on Samsung S21 FE 5G.