OnePlus Nord N30 vs Samsung Galaxy S21
The Verdict
Samsung's Galaxy S21 commands a $500 premium over the OnePlus Nord N30, and that difference shows in meaningful ways. The S21's Dynamic AMOLED display nearly doubles the brightness at 1300 nits versus 680 nits, delivering superior outdoor visibility and color accuracy on its smaller 6.2-inch screen. Camera quality separates these phones significantly: the S21 pairs a superior 12 MP sensor with OIS and a dedicated 64 MP telephoto lens for 3x hybrid zoom, while the Nord N30 relies on a 108 MP sensor without stabilization and a mediocre 2 MP depth camera. The S21's Snapdragon 888 processor crushes the Nord N30's 695 chip in real-world performance and sustained workloads. Battery capacity favors the Nord N30 at 5000 mAh versus 4000 mAh, but the S21 offsets this with faster 25W charging and wireless charging capability. Build quality tips toward Samsung with IP68 water resistance versus IP54, aluminum framing, and premium glass. At $299, the Nord N30 offers exceptional value as a budget workhorse with a large battery and smooth 120Hz display. However, the Galaxy S21 remains the superior phone for photography, display quality, and long-term performance, justifying its premium for anyone willing to invest.
Who Should Buy
Buy the OnePlus Nord N30 if…
- →108 MP main camera for high-resolution shots
- →50W charging is fast for the budget tier
- →5G connectivity at entry-level price
Buy the Samsung Galaxy S21 if…
- →$200 price cut from S20 launched at $799
- →Lightweight and compact at 169 g
- →120Hz AMOLED with adaptive refresh
Category Scores
Pros & Cons
OnePlus Nord N30
Pros
- 108 MP main camera for high-resolution shots
- 50W charging is fast for the budget tier
- 5G connectivity at entry-level price
- Large 6.72-inch display
- Solid battery life from 5000 mAh
Cons
- IPS LCD can't match AMOLED contrast or color
- No NFC for contactless payments
- Depth sensor barely useful as ultrawide replacement
- Snapdragon 695 shows its limits in demanding apps
- No wireless charging
Samsung Galaxy S21
Pros
- $200 price cut from S20 launched at $799
- Lightweight and compact at 169 g
- 120Hz AMOLED with adaptive refresh
- Snapdragon 888 performance
- Eye-catching Contour Cut camera design
Cons
- Plastic (Glasstic) back panel
- FHD+ only, no QHD option
- No microSD card slot
- Slow 25W charging
- No charger included in the box
Full Specifications
| Spec | OnePlus Nord N30 | Samsung Galaxy S21 |
|---|---|---|
| Software | Android 13 (OxygenOS 13.1) | Android 11, One UI 3.1 |
| Body | ||
| Weight | 193 g | 169 g |
| Material | Plastic back and frame | Aluminum frame, Glasstic back |
| IP rating | IP54 | IP68 |
| Dimensions | 165.5 x 76.0 x 8.3 mm | 151.7 x 71.2 x 7.9 mm |
| Camera | ||
| Main camera | 108 MP, f/1.75 | 12 MP, f/1.8, OIS |
| Front camera | 16 MP, f/2.4 | 10 MP, f/2.2 |
| Video | 1080p@60fps | 8K@24fps, 4K@60fps |
| Ultrawide | 2 MP, f/2.4 (depth) | 12 MP, f/2.2 |
| Telephoto | — | 64 MP, f/2.0, 3x hybrid zoom |
| Memory | ||
| RAM | 8 GB | 8 GB |
| Storage options | 128 GB | 128 GB, 256 GB |
| Battery | ||
| Capacity | 5000 mAh | 4000 mAh |
| Charging | 50W SuperVOOC wired | 25W wired |
| Wireless charging | No | 15W wireless |
| Display | ||
| Size | 6.72 inches | 6.2 inches |
| Type | IPS LCD | Dynamic AMOLED 2X |
| Resolution | 2400 x 1080 | 2400 x 1080 |
| Refresh rate | 120Hz | 120Hz |
| Brightness (nits) | 680 | 1300 |
| Processor | ||
| CPU | Octa-core (2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver) | Octa-core (1x2.84 GHz + 3x2.42 GHz + 4x1.8 GHz) |
| GPU | Adreno 619 | Adreno 660 |
| Chipset | Qualcomm Snapdragon 695 | Qualcomm Snapdragon 888 |
| Connectivity | ||
| 5G | ||
| NFC | ||
| USB | USB-C 2.0 | USB-C 3.2 |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 6 |
| Bluetooth | 5.1 | 5.0 |
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This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
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