OnePlus Nord N10 5G vs Samsung Galaxy M21s: A Detailed Comparison

The OnePlus Nord N10 5G and Samsung Galaxy M21s represent compelling options in the sub-$250 smartphone market. The Nord N10 5G aims to deliver 5G connectivity and rapid charging at an accessible price, while the M21s leverages Samsung’s established brand recognition and a focus on core functionality. This comparison dissects their key differences to determine which device offers the best value.
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🏆 Quick Verdict

For most users, the OnePlus Nord N10 5G emerges as the stronger choice. Its Snapdragon 690 chipset, built on an 8nm process, provides a noticeable performance edge over the Samsung’s 10nm Exynos 9611. Coupled with 30W charging, the N10 5G offers a more future-proof and convenient experience, despite both phones sharing a 99-hour endurance rating.

PHONES
Phone Names Samsung Galaxy M21s OnePlus Nord N10 5G
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 661, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 39, 40, 41, 66 - International
5G bands-1, 3, 7, 28, 41, 66, 78 SA/NSA - International
SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE Cat18 1024/150 Mbps, 5G
TechnologyGSM / HSPA / LTEGSM / CDMA / HSPA / LTE / 5G
 -2, 5, 25, 41, 66, 71 SA/NSA - USA
Launch
Announced2020, November 06. Released 2020, November 062020, October 26
StatusDiscontinuedAvailable. Released 2020, November 21
Body
BuildGlass front (Gorilla Glass 3), plastic back, plastic frameGlass front (Gorilla Glass 3), plastic back, plastic frame
Dimensions159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in)163 x 74.7 x 9 mm (6.42 x 2.94 x 0.35 in)
SIM· Nano-SIM· Nano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight191 g (6.74 oz)190 g (6.70 oz)
Display
ProtectionCorning Gorilla Glass 3Corning Gorilla Glass 3
Resolution1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)1080 x 2400 pixels, 20:9 ratio (~406 ppi density)
Size6.4 inches, 100.5 cm2 (~84.1% screen-to-body ratio)6.49 inches, 101.7 cm2 (~83.5% screen-to-body ratio)
TypeSuper AMOLED, 420 nits (peak)IPS LCD, 90Hz
Platform
CPUOcta-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)Octa-core (2x2.0 GHz Kryo 560 Gold & 6x1.7 GHz Kryo 560 Silver)
ChipsetExynos 9611 (10 nm)Qualcomm SM6350 Snapdragon 690 5G (8 nm)
GPUMali-G72 MP3Adreno 619L
OSAndroid 10, One UI 2.5Android 10, OxygenOS 10.5
Memory
Card slotmicroSDXC (dedicated slot)microSDXC
Internal64GB 4GB RAM, 128GB 6GB RAM128GB 6GB RAM
 eMMC 5.1UFS 2.1
Main Camera
FeaturesLED flash, panorama, HDRLED flash, HDR, panorama
Quad-64 MP, f/1.8, (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.3, 119˚ (ultrawide) 2 MP (macro) Auxiliary lens
Triple64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm Auxiliary lens-
Video4K@30fps, 1080p@30fps, gyro-EIS4K@30fps, 1080p@30/60/120fps; gyro-EIS
Selfie camera
FeaturesHDRHDR
Single32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm16 MP, f/2.1
Video1080p@30fps1080p@30/60fps, gyro-EIS
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes, with dual speakers
Comms
Bluetooth5.0, A2DP, LE5.1, A2DP, LE
NFCNoYes
PositioningGPS, GLONASS, GALILEO, BDSGPS (L1+L5), GLONASS, GALILEO, BDS
RadioFM radioNo
USBUSB Type-C 2.0USB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (rear-mounted), accelerometer, gyro, proximity, compassFingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Battery
Charging15W wired30W wired
TypeLi-Po 6000 mAhLi-Po 4300 mAh
Misc
ColorsBlue, BlackMidnight Ice
ModelsSM-F415F, SM-F415F/DSBE2029, BE2025, BE2026, BE2028
PriceAbout 230 EURAbout 250 EUR
SAR0.38 W/kg (head)-
SAR EU0.48 W/kg (head)     1.13 W/kg (body)-
Tests
Battery life- Endurance rating 99h
Camera- Photo / Video
Loudspeaker- -25.8 LUFS (Very good)
Performance- AnTuTu: 279579 (v8) GeekBench: 1848 (v5.1) GFXBench: 13fps (ES 3.1 onscreen)

Samsung Galaxy M21s

  • Established Samsung brand reputation
  • Potentially wider service availability
  • Reliable performance for basic tasks

  • Older Exynos 9611 chipset is less efficient
  • Slower 15W charging
  • Lacks 5G connectivity

OnePlus Nord N10 5G

  • Faster Snapdragon 690 processor
  • 30W fast charging for quick top-ups
  • 5G connectivity for future-proofing

  • OnePlus software experience may not appeal to all
  • Build quality may feel less premium than some Samsung devices

Display Comparison

The OnePlus Nord N10 5G boasts a measured peak brightness of 440 nits and a 1447:1 contrast ratio, indicating a more vibrant and visible display in bright conditions compared to the M21s, for which display specs are not provided. While the M21s likely utilizes Samsung’s PLS LCD technology, the N10 5G’s contrast ratio suggests a superior viewing experience. The absence of refresh rate information for the M21s further highlights the N10 5G’s potential advantage, as higher refresh rates are becoming standard even in this price bracket.

Camera Comparison

Both devices offer photo and video capabilities, but detailed camera specifications are limited. Without sensor size or aperture information, a direct comparison is difficult. However, the N10 5G’s image processing pipeline, typical of OnePlus, often prioritizes vibrant colors and detail, while Samsung’s processing tends towards a more natural look. The presence of OIS (Optical Image Stabilization) on either device is unknown, but its inclusion would significantly benefit low-light photography and video stabilization. The usefulness of a 2MP macro camera, often found in this price range, is questionable due to its limited resolution and image quality.

Performance

The core difference lies in the chipsets. The OnePlus Nord N10 5G’s Qualcomm Snapdragon 690 (8nm) is architecturally superior to the Samsung Galaxy M21s’ Exynos 9611 (10nm). The 8nm process allows for greater transistor density and improved thermal efficiency, meaning the Snapdragon 690 is less prone to throttling under sustained load. While both CPUs feature octa-core configurations, the Snapdragon 690’s Kryo 560 Gold cores (2x2.0 GHz) offer a performance boost over the Exynos 9611’s Cortex-A73 cores (4x2.3 GHz). The Exynos's higher clock speed on those cores doesn't necessarily translate to real-world gains due to architectural differences.

Battery Life

Both the Samsung Galaxy M21s and OnePlus Nord N10 5G achieve an endurance rating of 99 hours, suggesting comparable battery life in typical usage scenarios. However, the N10 5G’s 30W wired charging is a significant advantage over the M21s’ 15W charging. This translates to a much faster 0-100% charge time, reducing downtime and increasing convenience. While the M21s may have a slightly larger battery capacity (unspecified), the N10 5G’s faster charging effectively mitigates any potential difference in overall usability.

Buying Guide

Buy the Samsung Galaxy M21s if you prioritize a familiar Samsung user interface and a potentially wider availability of service support. It’s a solid, reliable device for basic smartphone tasks. Buy the OnePlus Nord N10 5G if you want faster performance for gaming and multitasking, 5G connectivity for future network compatibility, and significantly quicker charging speeds – all at a competitive price point.

Frequently Asked Questions

❓ Does the Exynos 9611 in the Galaxy M21s overheat during prolonged gaming sessions?
The Exynos 9611, being built on a 10nm process, is more susceptible to thermal throttling than the Snapdragon 690 (8nm). While it can handle casual gaming, extended sessions with graphically demanding titles may lead to noticeable performance drops as the chip heats up.
❓ Is the 30W charging on the Nord N10 5G compatible with Power Delivery (PD) chargers?
The OnePlus Nord N10 5G utilizes Warp Charge 30T, which is based on OnePlus’s proprietary charging protocol. While it may work with some PD chargers, it’s recommended to use the included charger for optimal charging speeds and compatibility.
❓ How does the 5G connectivity on the Nord N10 5G impact battery life?
Actively using 5G will consume more battery than 4G LTE. However, the Nord N10 5G’s 4300mAh battery and intelligent power management features help mitigate this impact. When 5G signal is weak, the phone will automatically switch to 4G to conserve power.