OnePlus 12 vs Samsung Galaxy S21 FE

Q: Which phone has better performance, the OnePlus 12 or the Samsung Galaxy S21 FE?

In this performance comparison, the OnePlus 12 with its Snapdragon 8 Gen 3 (4nm) performs better than the Samsung Galaxy S21 FE with the Snapdragon 888 (5nm), thanks to superior chipset efficiency.

Compare OnePlus 12 and Samsung Galaxy S21 FE side by side. Check specs, features, camera, battery, and performance to see which is better.

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OnePlus 12

Snapdragon 8 Gen 3
4 nm
5400 mAh
100W
6.82"
1440x3168 pixels
50 MP
8K@24fps
Specs

Samsung Galaxy S21 FE

Snapdragon 888
5 nm
4500 mAh
25W
6.4"
1080 x 2340 pixels
12 MP
4K@30/60fps
Specs

Samsung Galaxy S21 FE

General

Launch Date

January 23, 2024

January 04, 2022

Availability

Available Now

Android 14

Android 12

Custom UI

OxygenOS 14

One UI 4

OS Updates

4 Years

Security Updates

5 Years

AI Features

AI Eraser

Body

Dimensions

164.3 x 75.8 x 9.2 mm

155.7 x 74.5 x 7.9 mm

Thickness

9.2 mm

7.9 mm

Weight

220 g

177 g

Back Material

Gorilla Glass 5

Build Details

Aluminum Frame

Plastic Back, Aluminum Frame

IP Rating

IP65

IP68 (up to 1.5m for 30 min)

Display

Size

6.82 inches

6.4 inches

Type

LTPO AMOLED, HDR10, Always-on display

Dynamic AMOLED 2X, HDR10, Always-on display

Refresh Rate

120 Hz

Peak Brightness

4500 nits

1200 nits

Resolution

1440x3168 pixels

1080 x 2340 pixels

Pixel Density

510 ppi

403 ppi

Aspect Ratio

19.8:9

19.5:9

Screen to Body Ratio

90.8 %

86.7 %

Protection

Gorilla Glass Victus 2

Gorilla Glass Victus

Performance

Comparison 1

Compare Version 1

With Version 1

Chipset¹

Qualcomm Snapdragon 8 Gen 3

Qualcomm Snapdragon 888

Process Size

4 nm

5 nm

CPU

Octa-core
1x3.3 GHz Cortex-X4
3x3.2 GHz Cortex-A720
2x3.0 GHz Cortex-A720
2x2.3 GHz Cortex-A520

Octa-core
1x2.84 GHz Cortex-X1
3x2.42 GHz Cortex-A78
4x1.80 GHz Cortex-A55

GPU

Adreno 750

Adreno 660

RAM & Storage

12GB 256GB (UFS 4.0)
16GB 512GB (UFS 4.0)

8GB 128GB (UFS 3.1)
8GB 256GB (UFS 3.1)

RAM Type

LPDDR5X

LPDDR5

Expandable Memory

Comparison 2

Compare Version 2

With Version 2

Chipset¹

Exynos 2100

Process Size

5 nm

CPU

Octa-core
1x2.9 GHz Cortex-X1
3x2.80 GHz Cortex-A78
4x2.2 GHz Cortex-A55

GPU

Mali-G78 MP14

RAM & Storage

8GB 128GB (UFS 3.1)
8GB 256GB (UFS 3.1)

RAM Type

LPDDR5

Expandable Memory

Camera

Main Camera

50 MP
f/1.6, 23mm (wide), 1/1.43", 1.12µm, multi-directional PDAF, OIS

64 MP
f/2.6, 70mm (periscope telephoto), 1/2.0", 0.7µm, PDAF, OIS, 3x optical zoom

48 MP
f/2.2, 14mm, 114˚ (ultrawide), 1/2.0", 0.8µm, PDAF

12 MP
f/1.8, 26mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS

8 MP
f/2.4, 76mm (telephoto), 1/4.5", 1.0µm, PDAF, OIS, 3x optical zoom

12 MP
f/2.2, 13mm, 123˚ (ultrawide), 1/3.0", 1.12µm

OIS

Yes

Features

Hasselblad Color Calibration, Dual-LED flash, HDR, panorama, Digital Zoom, Auto Flash, Face detection, Filters, Touch to focus, Fixed Focus

LED flash, auto-HDR, panorama, Auto Flash, Face detection, Touch to focus

Video Recording

8K@24fps
4K@30/60fps
1080p@30/60/240/480fps

4K@30/60fps
1080p@30/60/240fps
720p@960fps

Video Recording Features

Auto HDR, gyro-EIS, Dolby Vision, Dual Video Recording, Slo-motion, Ultra Steady Video, Video HDR, Bokeh portrait video, Video Pro Mode

Slo-motion, HDR10+, gyro-EIS

Selfie Camera

32 MP
f/2.4, 21mm (wide), 1/2.74", 0.8µm

32 MP
f/2.2, 26mm (wide), 1/2.74", 0.8µm

Selfie Features

Auto-HDR, panorama

HDR

Selfie Video Recording

4K@30fps
1080p@30fps

4K@30/60fps
1080p@30/60fps

Connectivity

SIM

Dual SIM, GSM+GSM
SIM1: Nano, SIM2: Nano

SIM 1

13 5G Bands

FDD: N1, N3, N5, N7, N8, N20, N28, N66
TDD: N38, N40, N41, N77, N78

12 5G Bands

FDD: N1, N3, N5, N7, N8, N20, N28, N66
TDD: N38, N40, N41, N78

SIM 2

13 5G Bands

FDD: N1, N3, N5, N7, N8, N20, N28
TDD: N38, N40, N41, N66, N77, N78

12 5G Bands

FDD: N1, N3, N5, N7, N8, N20, N28, N66
TDD: N38, N40, N41, N78

VoLTE

Yes

Wi-Fi

Wi-Fi 7

Wi-Fi 6

Wi-Fi Details

802.11 a/b/g/n/ac/be/ax 5GHz 6GHz, MIMO

802.11 a/b/g/n/ac/ax 5GHz 6GHz, MIMO

Wi-Fi Features

Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

USB

USB Type-C 3.2, OTG

USB Type-C, OTG

Bluetooth

5.4

5.0

NFC

Yes

GPS

Yes with A-GPS, Glonass

Infrared

Yes

UWB (Ultra Wideband)

Battery

Capacity

5400 mAh

4500 mAh

Type

Li-Polymer

Li-ion

Removable

Wired charging

100W

25W

Charging Speed

100% in 26 min

50% in 30 min

Wireless Charging

50W

15W

Reverse Wireless Charging

10W

Charger in the Box

Yes

Sound

Stereo Speakers

Yes

3.5mm Headphone Jack

FM Radio

Extra Features

Sensors

Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, color spectrum

Fingerprint (under display, optical), accelerometer, gyro, proximity, compass

Others

Samsung DeX

Colors and Pricing

Colors

Flowy Emerald, Silky Black, Glacial White

White, Graphite, Lavender, Olive

Price in India

₹64999

₹27999

FAQs

Which phone has better performance?

In this performance comparison, the OnePlus 12 with its Qualcomm Snapdragon 8 Gen 3 (4nm) performs better than the Samsung Galaxy S21 FE with the Qualcomm Snapdragon 888 (5nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

Both OnePlus 12 and Samsung Galaxy S21 FE offer the same software support — 4 years of OS updates and 5 years of security updates.

Which phone has a better display?

Both OnePlus 12 and Samsung Galaxy S21 FE feature AMOLED displays, offering vibrant colors and deeper blacks. Both smartphones offer the same 120 Hz refresh rate. OnePlus 12 also boasts a brighter screen with 4500 nits of peak brightness, enhancing outdoor visibility. Notably, OnePlus 12 offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Which phone has a bigger battery and faster charging?

OnePlus 12 comes with a larger 5400 mAh battery, which may offer longer usage on a single charge. OnePlus 12 also supports faster wired charging at 100W, compared to 25W on Samsung Galaxy S21 FE. OnePlus 12 offers faster wireless charging at 50W, while Samsung Galaxy S21 FE supports 15W.

Which phone has better water and dust resistance?

Samsung Galaxy S21 FE offers better protection against water and dust with an IP68 rating.

Can I buy these phones on Amazon?

OnePlus 12 – Check price here
Samsung Galaxy S21 FE – Check price here

¹ Scores can vary even with the same chipset due to RAM, thermals, and software optimization.