Samsung Galaxy S25 vs Samsung Galaxy S21 FE 5G
Side-by-side comparison of specifications, price, camera, battery and performance in India
Samsung Galaxy S25 vs Samsung Galaxy S21 FE 5G: Comparison Summary
Price
Samsung Galaxy S21 FE 5G is priced lower at ₹22,464, giving it an affordability edge. The price gap is ₹39,536.
Samsung Galaxy S21 FE 5G wins
Display
Samsung Galaxy S25 features a — display. Samsung Galaxy S21 FE 5G offers —. Both offer the same refresh rate.
Performance
Samsung Galaxy S25 runs the —. Samsung Galaxy S21 FE 5G is powered by the —. Both phones share the same chipset, so raw performance will be near-identical.
Camera
Samsung Galaxy S25 offers a — camera system. Samsung Galaxy S21 FE 5G has —. Both phones support 4K video recording.
Battery
Samsung Galaxy S25 packs a — setup. Samsung Galaxy S21 FE 5G uses —. Both phones have the same battery capacity.
Software & Ecosystem
Samsung Galaxy S25 runs —. Samsung Galaxy S21 FE 5G ships with —. Software update timelines and AI features differ significantly between the two ecosystems.
Overall rating breakdown
Samsung Galaxy S25
65%
Fair
Samsung Galaxy S21 FE 5G
65%
Fair
Pros and cons
Samsung Galaxy S25
₹62,000
Pros
- Snapdragon 8 Elite delivers exceptional single-core performance, AI processing, and gaming — best in class for 2025
- At 162g and 7.2mm, the S25 is one of the most comfortable flagship phones to hold and pocket all day
- 7-year update guarantee means the phone stays software-current and secure through 2032
- Galaxy AI features like Generative Edit, Circle to Search, and Now Brief add genuine daily value
- IP68 and Gorilla Glass Victus 2 protect against everyday drops and submersion
Cons
- 4000 mAh battery is the smallest in the S25 family — heavy users will need a midday charge
- 25W wired charging is slow by 2025 standards; competitors offer 65W–100W
- No expandable storage — commit to 256GB or 512GB at purchase
- Price has risen to ₹62,000 making the S24 (now discounted) a tempting alternative
Samsung Galaxy S21 FE 5G
₹22,464
Pros
- At ₹22,464 it carries IP68 water resistance — extremely rare at this price in 2025
- 177g weight is exceptionally light for a phone with these specifications
- 32MP selfie camera with portrait video — still competitive for social media users
- Wireless charging support is rare at this price point
Cons
- Exynos 2100 has reached a performance ceiling — newer mid-range chips can outpace it in benchmarks
- OS updates have ended (hit 4-year limit) — no longer receives Android version upgrades
- No expandable storage — 256GB only
- 25W wired charging is slow and no charger is included in box
Samsung Galaxy S25 vs Samsung Galaxy S21 FE 5G — Complete specification table
At a Glance
Specification
Samsung Galaxy S25
Samsung Galaxy S21 FE 5G
Starting Price
₹62,000
₹22,464
Lower price
Network
5G
5G
Launched
—
—
User Rating
—
—
Available colours
2 options
1 options
Display
Specification
Samsung Galaxy S25
Samsung Galaxy S21 FE 5G
Screen Size
6.2 inches
6.4 inches
Resolution
2340 × 1080 px FHD+
2400 × 1080 px FHD+
Panel Type
Dynamic AMOLED 2X
Dynamic AMOLED 2X
Refresh Rate
1–120Hz LTPO
120Hz
Brightness
2600 nits peak
1300 nits peak
Protection
Corning Gorilla Glass Victus 2
—
Performance
Specification
Samsung Galaxy S25
Samsung Galaxy S21 FE 5G
Processor
Snapdragon 8 Elite (3nm)
Samsung Exynos 2100 (5nm)
CPU Cores
Octa-core (2× 4.47GHz + 6× 3.53GHz)
Octa-core (1× 2.9GHz + 3× 2.8GHz + 4× 2.2GHz)
GPU
Adreno 830
Mali-G78 MP14
RAM
12GB LPDDR5X
8GB LPDDR5
Storage
256GB / 512GB UFS 4.0
256GB UFS 3.1
Expandable Storage
No
No
Camera
Specification
Samsung Galaxy S25
Samsung Galaxy S21 FE 5G
Main Camera
50MP f/1.8 OIS
12MP f/1.8 OIS
Ultra-Wide Camera
12MP f/2.2
12MP f/2.2
Telephoto Camera
10MP f/2.4 OIS (3× optical)
8MP f/2.4 OIS (3× optical)
Front Camera
12MP f/2.2
32MP f/2.2
Video Recording
8K @ 30fps, 4K @ 120fps
4K @ 60fps
AI Camera Features
ProVisual Engine, Generative Edit, Instant Slow-Mo
—
Battery & Charging
Specification
Samsung Galaxy S25
Samsung Galaxy S21 FE 5G
Battery Capacity
4000 mAh
4500 mAh
Charging Speed
25W wired
25W wired
Wireless Charging
15W (Qi2)
15W (Qi)
Reverse Wireless
4.5W
4.5W
Connectivity
Specification
Samsung Galaxy S25
Samsung Galaxy S21 FE 5G
Network
5G SA/NSA (Sub-6GHz + mmWave)
5G SA/NSA
Wi-Fi
Wi-Fi 7 (802.11 be)
Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Bluetooth
Bluetooth 5.4
Bluetooth 5.0
USB
USB 3.2 Gen 2 Type-C
USB Type-C 2.0
NFC
Yes
Yes
UWB
Yes (Ultra-Wideband)
—
Design & Build
Specification
Samsung Galaxy S25
Samsung Galaxy S21 FE 5G
Body Material
Armor Aluminum frame, Gorilla Glass back
Plastic frame and back (matte finish)
Dimensions
146.9 × 70.5 × 7.2 mm
155.7 × 74.5 × 8.2 mm
Weight
162g
177g
Water Resistance
IP68 (1.5m, 30 min)
—
Fingerprint Sensor
Under-display (ultrasonic)
Under-display (optical)
SIM
Dual SIM (Nano + eSIM)
—
IP Rating
—
IP68 (1.5m, 30 min)
Software
Specification
Samsung Galaxy S25
Samsung Galaxy S21 FE 5G
OS at Launch
Android 15
Android 12
UI
One UI 7
One UI 4.1
AI Features
Galaxy AI: Now Brief, Call Assist, Instant Slow-Mo, Generative Edit, Circle to Search
—
Update Promise
7 years OS, 7 years security
—
Current OS
—
Android 15 (One UI 7)
Update Status
—
Reached end of OS updates (4 years completed)
All variants and prices
Samsung Galaxy S25
12GB RAM / 256GB
₹62,00012GB RAM / 512GB
₹74,000Samsung Galaxy S21 FE 5G
8GB RAM / 256GB
₹22,464Samsung Galaxy S25 vs Samsung Galaxy S21 FE 5G: Frequently asked questions
Which is better: Samsung Galaxy S25 or Samsung Galaxy S21 FE 5G?
The Samsung Galaxy S25 and Samsung Galaxy S21 FE 5G target similar market segments. The Samsung Galaxy S25 starts at ₹62,000 and runs — with a — display and — chip. The Samsung Galaxy S21 FE 5G starts at ₹22,464 and offers — with —. If battery life is the priority, compare their mAh capacities. If display quality matters, compare refresh rates and panel types. Neither has a universal advantage — the choice depends on your use case and ecosystem preference.
What is the price difference between Samsung Galaxy S25 and Samsung Galaxy S21 FE 5G?
The Samsung Galaxy S25 starts at ₹62,000 and the Samsung Galaxy S21 FE 5G starts at ₹22,464 in India. The price difference between base models is ₹39,536. Both phones are available in multiple RAM/storage variants at different price points.
Does Samsung Galaxy S25 have a better camera than Samsung Galaxy S21 FE 5G?
Samsung Galaxy S25 offers a — camera system. Samsung Galaxy S21 FE 5G provides —. Camera quality depends on factors beyond megapixels — including sensor size, aperture, OIS, and computational photography. For the most accurate comparison, refer to independent review sites that run controlled camera tests in the same conditions.
Which phone has longer battery life: Samsung Galaxy S25 or Samsung Galaxy S21 FE 5G?
Samsung Galaxy S25 comes with a — battery. Samsung Galaxy S21 FE 5G includes —. Battery life also depends on the display resolution, refresh rate, and software optimisation. A larger mAh does not guarantee proportionally longer life if the display or processor is more power-hungry.
Is Samsung Galaxy S25 worth buying over Galaxy S24?
The S25 offers a meaningful upgrade in CPU performance (Snapdragon 8 Elite vs S24's Exynos 2400), Galaxy AI features, and an improved camera algorithm. The S24 is now available at around ₹49,999 — ₹12,000 less. If Galaxy AI features and the latest chip matter to you, the S25 is worth the premium. For pure value, the S24 remains compelling.
Is Samsung Galaxy S21 FE still worth buying in 2025?
The S21 FE at ₹22,464 is a unique case: IP68 water resistance, wireless charging, 32MP selfie, and a lightweight 177g body in this price range is genuinely rare. However, its OS updates ended in 2026 (4-year limit from 2022 launch). Security patches continue until 2027. If you plan to use it for 1–2 years, it is still capable. For longer ownership, consider newer phones with active update cycles.
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Editorial note
Specifications on Gadzela are sourced from official brand announcements and cross-referenced against published datasheets. Prices shown reflect India launch prices and may vary by retailer or over time. Always verify before purchasing. This page does not contain sponsored placements.