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2026 comparison
Updated Jan 7, 2026
|Sources: Amazon, Manufacturer

OnePlus 12 vs Samsung Galaxy A15 5G

Get the OnePlus 12 unless you're on a tight budget. If you need a phone that keeps up with heavy usage, the OnePlus 12's performance will be a game-changer in 2026 and beyond.

📱 Display: 6.82" vs 6.5"⚡ Refresh: 120 Hz vs 90 Hz🔋 Battery: 5400 mAh vs 5000 mAh

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OnePlus 12

OnePlus 12

4.6
(78)Amazon
Operating System:Android
Software Support:4 generations of Android OS upgrades; 5 years of security updates
Processor:Qualcomm Snapdragon 8 Gen 3 Mobile Platform
Graphics:Qualcomm Adreno 750
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Samsung Galaxy A15 5G

Samsung Galaxy A15 5G

4.4
(950)Best Buy
Operating System:Android
Software Support:4 years of OS upgrades and 5 years of security updates
Processor:MediaTek Dimensity 6100+ (6nm octa-core)
Graphics:Mali-G57 MC2
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Key spec differences

Only the specs that differ are shown here. Winners are highlighted when the data is clear.

Display2 specs
Display SizeKey
OnePlus 12
6.82" (measured diagonally from corner to corner)Winner
Samsung Galaxy A15 5G
6.5"
Refresh Rate
OnePlus 12
1–120Hz (Dynamic)Winner
Samsung Galaxy A15 5G
90Hz
Performance3 specs
ProcessorKey
OnePlus 12
Qualcomm Snapdragon 8 Gen 3 Mobile Platform
Samsung Galaxy A15 5G
MediaTek Dimensity 6100+ (6nm octa-core)
RAMKey
OnePlus 12
12GB / 16GB LPDDR5XWinner
Samsung Galaxy A15 5G
4GB (Common US config)
Storage
OnePlus 12
256GB / 512GB (UFS 4.0)Winner
Samsung Galaxy A15 5G
128GB (Expandable via microSDXC up to 1TB)
Camera2 specs
Main CameraKey
OnePlus 12
50MP Wide (Sony LYT-808, f/1.6, 23mm equiv), PDAF, OISWinner
Samsung Galaxy A15 5G
50MP, f/1.8, AF
Ultra-Wide Camera
OnePlus 12
48MP Ultra-Wide (Sony IMX581, f/2.2, 114° FOV)
Samsung Galaxy A15 5G
5MP, f/2.2
Battery2 specs
Battery CapacityKey
OnePlus 12
5,400 mAh (Dual-cell 2,700 mAh, non-removable)Winner
Samsung Galaxy A15 5G
5,000mAh (Typical)
Wireless Charging
OnePlus 12
50W AIRVOOC; 10W Reverse Wireless Charging
Samsung Galaxy A15 5G
No (Not supported)
Design2 specs
Weight
OnePlus 12
7.76 oz (220 g)
Samsung Galaxy A15 5G
7.05 oz (200 g)Winner
Dimensions
OnePlus 12
6.47" x 2.98" x 0.36" (164.3 x 75.8 x 9.15 mm)
Samsung Galaxy A15 5G
6.30 x 3.02 x 0.33 in (160.1 x 76.8 x 8.4 mm)
Connectivity1 specs
Connectivity
OnePlus 12
5G (Sub6/mmWave); Wi-Fi 7 (802.11be); Bluetooth 5.4; NFC; IR Blaster
Samsung Galaxy A15 5G
5G (Sub-6), Wi-Fi 5 (802.11ac), Bluetooth 5.3, NFC
+

Full specs, pros, and cons

Everything side-by-side with ratings and the full spec list.

Comparison: OnePlus 12 vs Samsung Galaxy A15 5G

OnePlus 12

OnePlus 12

4.6(78)Amazon
Samsung Galaxy A15 5G

Samsung Galaxy A15 5G

4.4(950)Best Buy
OnePlus 12

OnePlus 12

Rating:4.6(78)Amazon
Operating System:Android
Software Support:4 generations of Android OS upgrades; 5 years of security updates
Processor:Qualcomm Snapdragon 8 Gen 3 Mobile Platform
Graphics:Qualcomm Adreno 750
RAM:12GB / 16GB LPDDR5X
Storage:256GB / 512GB (UFS 4.0)
Display Size:6.82" (measured diagonally from corner to corner)
Screen Type:LTPO AMOLED ProXDR Display
Resolution:3168 x 1440 pixels (QHD+), 510 ppi
Refresh Rate:1–120Hz (Dynamic)
Peak Brightness:4,500 nits (Peak) / 1,600 nits (HBM)
Main Camera:50MP Wide (Sony LYT-808, f/1.6, 23mm equiv), PDAF, OIS
Ultra-Wide Camera:48MP Ultra-Wide (Sony IMX581, f/2.2, 114° FOV)
Telephoto Camera:64MP Periscope Telephoto (OmniVision OV64B, 3x optical, f/2.6); OIS
Optical Zoom:3x Optical Zoom; 6x In-Sensor Zoom
Digital Zoom:Up to 120x Ultra Res Zoom
Video Recording:8K@24fps, 4K@30/60fps, 1080p@30/60/240fps
Front Camera:32MP Front (Sony IMX615, f/2.4, 21mm equiv)
Battery:5,400 mAh (Dual-cell 2,700 mAh, non-removable)
Wired Charging:80W SUPERVOOC (US 110V limitation); 100W in 220V regions; Charger included
Wireless Charging:50W AIRVOOC; 10W Reverse Wireless Charging
Connectivity:5G (Sub6/mmWave); Wi-Fi 7 (802.11be); Bluetooth 5.4; NFC; IR Blaster
USB:USB Type-C 3.2 Gen 1
Durability:IP65 (Dust tight; Water jet resistant - not submersion proof); Gorilla Glass Victus 2 (front)
Dimensions:6.47" x 2.98" x 0.36" (164.3 x 75.8 x 9.15 mm)
Weight:7.76 oz (220 g)
Biometrics:Optical In-display Fingerprint Sensor; Face Unlock
Extras:Hasselblad Camera for Mobile; Alert Slider; Aqua Touch; Trinity Engine

✓ Pros:

  • Excellent value proposition with top-tier specs at a competitive price
  • Massive 5,400mAh battery paired with very fast 80W wired and 50W wireless charging
  • High-quality Hasselblad camera system with a versatile 3x periscope zoom
  • Extremely bright QHD+ LTPO display (4,500 nits peak)
  • Includes useful enthusiast features like an IR blaster and the Alert Slider

✗ Cons:

  • IP65 rating is inferior to the industry-standard IP68 (not rated for submersion)
  • Curved screen edges can be prone to accidental touches despite rejection algorithms
  • US wired charging is capped at 80W (vs 100W global) due to voltage differences
  • OxygenOS has moved visually closer to ColorOS, which may deter purists
  • Large and heavy device (220g) can be cumbersome

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Samsung Galaxy A15 5G

Samsung Galaxy A15 5G

Rating:4.4(950)Best Buy
Operating System:Android
Software Support:4 years of OS upgrades and 5 years of security updates
Processor:MediaTek Dimensity 6100+ (6nm octa-core)
Graphics:Mali-G57 MC2
RAM:4GB (Common US config)
Storage:128GB (Expandable via microSDXC up to 1TB)
Display Size:6.5"
Screen Type:Super AMOLED, 90Hz, 800 nits (HBM)
Resolution:2340 x 1080 (FHD+)
Refresh Rate:90Hz
Peak Brightness:800 nits (High Brightness Mode)
Main Camera:50MP, f/1.8, AF
Ultra-Wide Camera:5MP, f/2.2
Telephoto Camera:No (Not supported) — Includes 2MP Macro f/2.4
Optical Zoom:No (Not supported)
Digital Zoom:Up to 10x
Video Recording:1080p @ 30fps
Front Camera:13MP, f/2.0
Battery:5,000mAh (Typical)
Wired Charging:25W Super Fast Charging
Wireless Charging:No (Not supported)
Connectivity:5G (Sub-6), Wi-Fi 5 (802.11ac), Bluetooth 5.3, NFC
USB:USB Type-C 2.0
Durability:No official IP rating (Plastic frame/back)
Dimensions:6.30 x 3.02 x 0.33 in (160.1 x 76.8 x 8.4 mm)
Weight:7.05 oz (200 g)
Biometrics:Side-mounted fingerprint sensor, Face Unlock
Extras:3.5mm Headphone Jack, Samsung Knox Vault, microSD slot

✓ Pros:

  • Unmatched software support in budget class (4 OS updates)
  • Vibrant Super AMOLED display (rare at this price point)
  • Excellent battery life with 5,000mAh capacity
  • Includes 3.5mm headphone jack and expandable storage
  • Solid 50MP main camera performance for the price

✗ Cons:

  • No official IP rating for water/dust resistance
  • Charging adapter not included in the box
  • Performance can be sluggish with only 4GB RAM (base US model)
  • Thick bezels and outdated U-shaped notch design
  • Video recording limited to 1080p (No 4K support)

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Which one is better?

Grab the A15 5G if you want to save money and are okay with decent performance.

Who should buy each?

Choose the OnePlus 12 if: you want longer battery life for heavy use, need faster charging for quick top-ups, or demand a high-quality camera for photography. (6.82" display, 120 Hz refresh)
Choose the Samsung Galaxy A15 5G if: you want to save money, prefer a lighter device, or need expandable storage for music and videos. (6.5" display, 90 Hz refresh)

Conclusion

With the key differences outlined, the decision should be clearer. Both options deliver quality—choose the one that fits your priorities.

Frequently Asked Questions

+Which has better value?

OnePlus 12 excels if you value excellent value proposition with top-tier specs at a competitive price. Samsung Galaxy A15 5G is better if you prioritize unmatched software support in budget class (4 os updates). Pick based on your budget and daily use.

+Is this an independent review?

Yes. We use affiliate links for monetization, but recommendations are research-driven and unbiased.

+Do newer models exist?

Check release timelines from the manufacturers and compare pricing before you buy. We refresh this page when major updates land.

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