Samsung SM-S721U Galaxy S24 FE UW 5G TD-LTE 128GB / SM-S721R4 (Samsung R12) vs Samsung SM-S731U Galaxy S25 FE 5G Dual SIM TD-LTE US 128GB / SM-S731T (Samsung R13S): Which One Should You Buy?

Samsung SM-S721U Galaxy S24 FE UW 5G TD-LTE 128GB / SM-S721R4 (Samsung R12) edges ahead with a BeastScore of 69.8/100 — but the right choice depends on what matters to you.

Head-to-head

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Samsung · 2024

Samsung SM-S721U Galaxy S24 FE UW 5G TD-LTE 128GB / SM-S721R4 (Samsung R12)

70/ 100

Launch pricePrice on request

✕

Samsung · 2025

Samsung SM-S731U Galaxy S25 FE 5G Dual SIM TD-LTE US 128GB / SM-S731T (Samsung R13S)

70/ 100

Launch pricePrice on request

Head-to-head

Samsung SM-S721U Galaxy S24 FE UW 5G TD-LTE 128GB / SM-S721R4 (Samsung R12) wins 0 of 5 categories

Here's exactly where each phone is stronger.

Samsung SM-S721U Galaxy S24 FE UW 5G TD-LTE 128GB / SM-S721R4 (Samsung R12)

0 wins

Samsung SM-S731U Galaxy S25 FE 5G Dual SIM TD-LTE US 128GB / SM-S731T (Samsung R13S)

0 wins

At a glance

Bigger shape = better phone.

Samsung SM-S721U Galaxy S24 FE UW 5G TD-LTE 128GB / SM-S721R4 (Samsung R12)Samsung SM-S731U Galaxy S25 FE 5G Dual SIM TD-LTE US 128GB / SM-S731T (Samsung R13S)

Category winners

Scores out of 100. How we score

• SpeedTie
  80

  80
• CameraTie
  60

  60
• VideoNot enough data
• SelfieNot enough data
• BatteryTie
  78

  78
• DisplayTie
  62

  62
• ConnectivityNot enough data
• SecurityNot enough data
• ValueTie
  68

  68

Key differences

• Samsung SM-S731U Galaxy S25 FE 5G Dual SIM TD-LTE US 128GB / SM-S731T (Samsung R13S) has the bigger battery4,900 mAh vs 4,700 mAh
• Samsung SM-S731U Galaxy S25 FE 5G Dual SIM TD-LTE US 128GB / SM-S731T (Samsung R13S) has the bigger screen6.74" vs 6.7"
• Samsung SM-S731U Galaxy S25 FE 5G Dual SIM TD-LTE US 128GB / SM-S731T (Samsung R13S) is lighter190 g vs 213 g

See all specs ↓

Why buy each phone

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Reasons to buy Samsung SM-S721U Galaxy S24 FE UW 5G TD-LTE 128GB / SM-S721R4 (Samsung R12)

• ✓6.7" display

Reasons to buy Samsung SM-S731U Galaxy S25 FE 5G Dual SIM TD-LTE US 128GB / SM-S731T (Samsung R13S)

• ✓23 g lighter (190 g), easier to hold
• ✓Bigger 4,900 mAh battery (+200 mAh)
• ✓6.74" display

Full specifications

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Specification	Samsung SM-S721U Galaxy S24 FE UW 5G TD-LTE 128GB / SM-S721R4 (Samsung R12)	Samsung SM-S731U Galaxy S25 FE 5G Dual SIM TD-LTE US 128GB / SM-S731T (Samsung R13S)
1. Display & Screen
Screen type	AM-OLED display	AM-OLED display
Screen Size	6.7"	6.74"
Resolution & Density	1080x2340 (385 ppi)	1080x2340 (383 ppi)
Refresh Rate	60 Hz	60 Hz
Brightness	N/A	N/A
Screen Protection	Not listed	Not listed
2. Platform & Performance
Chipset / Processor	Samsung Exynos 2400e 5G S5E9945 (4nm)	Samsung Exynos 2400 5G S5E9945 (4nm)
CPU Cores	Not listed	Not listed
GPU Graphics	Samsung Xclipse 940	Samsung Xclipse 940
Operating System	Android	Android
3. Memory & Storage
RAM Memory	8 GB LPDDR	8 GB LPDDR
Internal Storage	128GB	128GB
Storage Speed	Not listed	Not listed
Card Slot	No	No
4. Main Camera Optics
Primary Camera	N/A	N/A
Telephoto Zoom	Not listed	Not listed
Ultrawide Camera	N/A	N/A
LiDAR / Depth	Not listed	Not listed
5. Video
Main Camera Video	Not listed	Not listed
Front Video	Not listed	Not listed
6. Selfie Camera
Selfie Lens	N/A	N/A
7. Body & Dimensions🏆 Samsung SM-S731U Galaxy S25 FE 5G Dual SIM TD-LTE US 128GB / SM-S731T (Samsung R13S) Lightest Chassis
Dimensions	N/A	N/A
Weight	213 g	190 g
Build Materials	Not listed	Not listed
SIM Type	Not listed	Not listed
Water Resistance	Not listed	Not listed
8. Battery & Charging
Battery Capacity	4,700 mAh	4,900 mAh
Wired Fast Charging	N/A	N/A
Wireless Charging	Not listed	Not listed
Reverse Charging	Not listed	Not listed
9. Sound & Audio
Loudspeaker	Not listed	Not listed
3.5mm Headphone Jack	No	No
10. Connectivity
Wi-Fi Standard	Not listed	Not listed
Bluetooth	Not listed	Not listed
USB Port & Speed	Not listed	Not listed
NFC	Yes	Yes
11. Sensors & Security
Sensors	Not listed	Not listed
Satellite Features	Not listed	Not listed
12. Colors & Overview
Colors	Not listed	Not listed
Launch Price	Price on request	Price on request