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Samsung Galaxy S21 FE 5G vs Samsung Galaxy S25 Ultra

Side-by-side comparison of specifications, price, camera, battery and performance in India

Samsung Galaxy S21 FE 5G
Phone 1

Samsung

Samsung Galaxy S21 FE 5G

₹22,464

View details →
Samsung Galaxy S25 Ultra
Phone 2

Samsung

Samsung Galaxy S25 Ultra

4.5(8,912)

₹94,999

View details →
Expert verdict

Samsung Galaxy S21 FE 5G vs Samsung Galaxy S25 Ultra: Comparison Summary

Price

Samsung Galaxy S21 FE 5G is priced lower at ₹22,464, giving it an affordability edge. The price gap is ₹72,535.

Samsung Galaxy S21 FE 5G wins
Display

Samsung Galaxy S21 FE 5G features a — display. Samsung Galaxy S25 Ultra offers 6.9" Dynamic AMOLED 2X, QHD+, 120Hz. Samsung Galaxy S25 Ultra has a higher 120Hz refresh rate.

Samsung Galaxy S25 Ultra wins
Performance

Samsung Galaxy S21 FE 5G runs the —. Samsung Galaxy S25 Ultra is powered by the Snapdragon 8 Elite. Different chipsets mean benchmark scores and power efficiency will vary; check independent reviews for real-world impact.

Camera

Samsung Galaxy S21 FE 5G offers a — camera system. Samsung Galaxy S25 Ultra has 200MP + 50MP + 50MP + 10MP. Both phones support 4K video recording.

Battery

Samsung Galaxy S21 FE 5G packs a — setup. Samsung Galaxy S25 Ultra uses 5000 mAh, 45W. Samsung Galaxy S25 Ultra has a larger 5000 mAh battery.

Samsung Galaxy S25 Ultra wins
Software & Ecosystem

Samsung Galaxy S21 FE 5G runs —. Samsung Galaxy S25 Ultra ships with Android 15, One UI 7. Software update timelines and AI features differ significantly between the two ecosystems.

Spec score

Overall rating breakdown

Samsung Galaxy S21 FE 5G

65%

Fair

Samsung Galaxy S25 Ultra

88%

Very Good

Strengths and weaknesses

Pros and cons

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 Ultra

₹94,999

Pros

  • 200MP camera with 5× periscope telephoto
  • Snapdragon 8 Elite for top performance
  • S Pen stylus included
  • QHD+ display with 2600 nits
  • 7-year update guarantee

Cons

  • Starts at ₹94,999 — premium price
  • Large and heavy at 218g
  • 45W charging — slower than OnePlus 13
Full specifications

Samsung Galaxy S21 FE 5G vs Samsung Galaxy S25 Ultra — Complete specification table

At a Glance
Specification
Samsung Galaxy S21 FE 5G
Samsung Galaxy S25 Ultra
Starting Price
₹22,464
Lower price
₹94,999
Network
5G
5G
Launched
—
January 2025
User Rating
—
4.5/5 (8,912 ratings)
Higher rating
Available colours
1 options
Titanium Black, Titanium Silver Blue, Titanium Whitesilver
Display
Specification
Samsung Galaxy S21 FE 5G
Samsung Galaxy S25 Ultra
Screen Size
6.4 inches
—
Resolution
2400 × 1080 px FHD+
3088 × 1440 (QHD+)
Panel Type
Dynamic AMOLED 2X
—
Refresh Rate
120Hz
1–120Hz (adaptive)
Brightness
1300 nits peak
2600 nits peak
Size
—
6.9 inches
Type
—
Dynamic AMOLED 2X
Protection
—
Corning Gorilla Armor 2
Performance
Specification
Samsung Galaxy S21 FE 5G
Samsung Galaxy S25 Ultra
Processor
Samsung Exynos 2100 (5nm)
Qualcomm Snapdragon 8 Elite
CPU Cores
Octa-core (1× 2.9GHz + 3× 2.8GHz + 4× 2.2GHz)
—
GPU
Mali-G78 MP14
—
RAM
8GB LPDDR5
12 GB LPDDR5X
Storage
256GB UFS 3.1
256 GB / 512 GB / 1 TB UFS 4.0
Expandable Storage
No
—
Architecture
—
3nm TSMC
Camera
Specification
Samsung Galaxy S21 FE 5G
Samsung Galaxy S25 Ultra
Main Camera
12MP f/1.8 OIS
—
Ultra-Wide Camera
12MP f/2.2
—
Telephoto Camera
8MP f/2.4 OIS (3× optical)
—
Front Camera
32MP f/2.2
12 MP, f/2.2, autofocus
Video Recording
4K @ 60fps
—
Main
—
200 MP, f/1.7, OIS, 100× Space Zoom
Telephoto 1
—
50 MP, f/2.9, 5× optical zoom
Ultra-wide
—
50 MP, f/1.9, 120° FOV
Telephoto 2
—
10 MP, f/2.4, 3× optical zoom
Video
—
8K @30fps, 4K @120fps
Battery & Charging
Specification
Samsung Galaxy S21 FE 5G
Samsung Galaxy S25 Ultra
Battery Capacity
4500 mAh
—
Charging Speed
25W wired
—
Wireless Charging
15W (Qi)
15W wireless
Reverse Wireless
4.5W
4.5W
Capacity
—
5000 mAh
Wired Charging
—
45W super fast charging
Connectivity
Specification
Samsung Galaxy S21 FE 5G
Samsung Galaxy S25 Ultra
Network
5G SA/NSA
5G SA/NSA, 4G LTE
Wi-Fi
Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Wi-Fi 7
Bluetooth
Bluetooth 5.0
5.4
USB
USB Type-C 2.0
USB-C 3.2 Gen 2
NFC
Yes
Yes
S Pen
—
Yes (included)
Design & Build
Specification
Samsung Galaxy S21 FE 5G
Samsung Galaxy S25 Ultra
Body Material
Plastic frame and back (matte finish)
—
IP Rating
IP68 (1.5m, 30 min)
—
Dimensions
155.7 × 74.5 × 8.2 mm
77.6 × 162.8 × 8.2 mm
Weight
177g
218 g
Fingerprint Sensor
Under-display (optical)
—
Build
—
Titanium frame, Corning Gorilla Glass Victus 2
Water Resistance
—
IP68 (1.5m/30 min)
Software
Specification
Samsung Galaxy S21 FE 5G
Samsung Galaxy S25 Ultra
OS at Launch
Android 12
—
UI
One UI 4.1
One UI 7
Current OS
Android 15 (One UI 7)
—
Update Status
Reached end of OS updates (4 years completed)
—
OS
—
Android 15
Updates
—
7 years OS + security
AI Features
—
Galaxy AI (Circle to Search, Live Translate, AI Photo Editor, Note Assist)
Price comparison

All variants and prices

Samsung Galaxy S21 FE 5G

8GB RAM / 256GB
₹22,464

Samsung Galaxy S25 Ultra

12GB RAM / 256GB· Titanium Black
₹94,999
12GB RAM / 512GB· Titanium Silver Blue
₹1,14,999
12GB RAM / 1024GB· Titanium Whitesilver
₹1,44,999
Common questions

Samsung Galaxy S21 FE 5G vs Samsung Galaxy S25 Ultra: Frequently asked questions

Which is better: Samsung Galaxy S21 FE 5G or Samsung Galaxy S25 Ultra?
The Samsung Galaxy S21 FE 5G and Samsung Galaxy S25 Ultra target similar market segments. The Samsung Galaxy S21 FE 5G starts at ₹22,464 and runs — with a — display and — chip. The Samsung Galaxy S25 Ultra starts at ₹94,999 and offers 6.9" Dynamic AMOLED 2X, QHD+, 120Hz with Snapdragon 8 Elite. 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 S21 FE 5G and Samsung Galaxy S25 Ultra?
The Samsung Galaxy S21 FE 5G starts at ₹22,464 and the Samsung Galaxy S25 Ultra starts at ₹94,999 in India. The price difference between base models is ₹72,535. Both phones are available in multiple RAM/storage variants at different price points.
Does Samsung Galaxy S21 FE 5G have a better camera than Samsung Galaxy S25 Ultra?
Samsung Galaxy S21 FE 5G offers a — camera system. Samsung Galaxy S25 Ultra provides 200MP + 50MP + 50MP + 10MP. 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 S21 FE 5G or Samsung Galaxy S25 Ultra?
Samsung Galaxy S21 FE 5G comes with a — battery. Samsung Galaxy S25 Ultra includes 5000 mAh, 45W. 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 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.
What is the price of Samsung Galaxy S25 Ultra in India?
The Samsung Galaxy S25 Ultra price in India starts at ₹94,999 for 12GB RAM + 256GB storage. The 512GB model costs ₹1,14,999 and the 1TB variant is ₹1,44,999. All variants come with 12GB LPDDR5X RAM and are available on Amazon India, Samsung Shop, and Flipkart.
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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.