Oppo Find X9 Pro vs Samsung Galaxy S21

[ VERDICT ] Winner: Oppo Find X9 Pro (94/100)

Oppo Find X9 Pro leads overall with a score of 94/100 compared to Samsung Galaxy S21 (57/100), offering superior measured performance and technical specifications.

Benchmark Performance Comparison

Normalized Lab Scores
Benchmark measurements and scores across compared devices
Benchmark Oppo Find X9 Pro Samsung Galaxy S21
Gaming 94.0 Excellent WINNER 27.0 Poor
NanoReview Score 94.0 Excellent WINNER 57.0 Below Average
Performance 97.0 Excellent WINNER 53.0 Below Average

Detailed Technical Specifications

Battery

Battery specifications comparison
Specification Oppo Find X9 Pro Samsung Galaxy S21
Battery cycles 1300 cycles
Battery type Silicon-Carbon (Si/C) Li-Ion
Bypass charging Yes No
Capacity 7500 mAh 4000 mAh
Fast charging Yes (54% in 30 min) Yes (55% in 30 min)
Full charging time 1:20 hr 1:13 hr
Gaming 10:24 hr 04:21 hr
Max charge power 80 W 25 W
Replaceable No No
Reverse charging Yes, (wireless) Yes, (wireless)
Standby 107 hr 95 hr
Watching video 25:00 hr 11:06 hr
Web browsing 19:04 hr 06:01 hr
Wireless charging Yes (50 W) Yes (15 W)

Benchmarks

Benchmarks specifications comparison
Specification Oppo Find X9 Pro Samsung Galaxy S21
CPU 1098383 418023
Compute Score (GPU) 26944 6754
Data manipulation 13395 10433
GPU 1275843 191872
Graphics score 3009 328
Graphics test 22 FPS 2 FPS
Memory 378116 170606
Multi-core score 10065 3767
Photo editing 22747 29658
Section 1 55 FPS
Section 2 52 FPS
Section 3 43 FPS
Single-core score 3422 1484
Stability 52% 72%
Total score 3508681 1081778
UX 756339 301277
Video editing 5850 7092
Web score 11183 13238
Writing score 19055 15614

Connectivity

Connectivity specifications comparison
Specification Oppo Find X9 Pro Samsung Galaxy S21
2G network GSM 850/900/1800MHz GSM 850, 900, 1800, 1900 MHz
3G network WCDMA 1/2/4/5/6/8/19 WCDMA Band 1, 2, 4, 5, 8
4G network LTE 1/2/3/4/5/7/8/12/17/18/19/20/25/26/28/66 LTE 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66
5G support Yes Yes
Bluetooth features LE LE, A2DP
Bluetooth version 6.0 5
DisplayPort Yes
GPS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC GPS, GLONASS, Beidou, Galileo
Hybrid slot No No
Infrared port Yes No
Multi SIM mode Standby Standby
NFC* Yes Yes
Number of SIM* 2 2
Type of SIM card Nano Nano
USB features - Charging- USB-Storage mode- OTG - Charging- USB-Storage mode- USB-Host mode- OTG
USB type USB Type-C USB Type-C
USB version 3.2 3.2
Wi-Fi features - Dual Band- Wi-Fi MiMO- Wi-Fi Direct- Wi-Fi Hotspot- Wi-Fi Display - Dual Band- Wi-Fi MiMO- Wi-Fi Direct- Wi-Fi Hotspot- Wi-Fi Display
Wi-Fi standard Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
eSIM support* Yes Yes
LTE Cat* 24

Design and build

Design and build specifications comparison
Specification Oppo Find X9 Pro Samsung Galaxy S21
Advanced cooling Vapor chamber
Colors White, Gray, Red White, Gray, Pink, Purple
Drop resistance Good (C) · 90 drops
Fingerprint scanner Yes, in-display Yes, in-display
Frame material Metal Metal
Height 161.26 mm (6.35 inches) 151.7 mm (5.97 inches)
Rear material Glass Plastic
Repairability Good (3.82/5)
Thickness 8.25 mm (0.32 inches) 7.9 mm (0.31 inches)
Waterproof IP69 IP68
Weight 224 g (7.9 oz) 169 g (5.96 oz)
Width 76.46 mm (3.01 inches) 71.2 mm (2.8 inches)

Display

Display specifications comparison
Specification Oppo Find X9 Pro Samsung Galaxy S21
Adaptive refresh rate Yes (1-120 Hz) Yes (48-120 Hz)
Aspect ratio 20:9 20:9
Contrast ∞ Infinity ∞ Infinity
Display features - DCI-P3- Always-On Display- DC Dimming - DCI-P3- Always-On Display
HDR support Yes, Dolby Vision Yes, HDR10+
Max rated brightness 1800 nits 800 nits
Max rated brightness in HDR 3600 nits
PPI 450 ppi 421 ppi
PWM 354 Hz 240 Hz
RGB color space 98.3% 99.5%
Refresh rate 120 Hz 120 Hz
Resolution 1264 x 2780 pixels 1080 x 2400 pixels
Response time 7 ms 5 ms
Screen protection Gorilla Glass Victus 2 Gorilla Glass Victus
Screen-to-body ratio 90% 85.9%
Size 6.78 inches 6.2 inches
Touch sampling rate 240 Hz
Type AMOLED Dynamic AMOLED

DxOMark main camera tests

DxOMark main camera tests specifications comparison
Specification Oppo Find X9 Pro Samsung Galaxy S21
Bokeh 180 70
Samples Photo samples of Oppo Find X9 Pro from DxOMark Photo samples of Samsung Galaxy S21 from DxOMark
Preview 61

Main camera

Main camera specifications comparison
Specification Oppo Find X9 Pro Samsung Galaxy S21
1080p video recording Up to 60FPS Up to 60FPS
4K video recording Up to 120FPS Up to 60FPS
8K video recording No Up to 24FPS
Angle of widest lens 120° 120°
Aperture f/1.5 f/1.8
Autofocus Laser autofocus Phase autofocus (Dual Pixel)
Camera features - Bokeh mode- Pro mode- RAW support - Bokeh mode- Pro mode- RAW support
Flash LED Dual LED
Focal length 23 mm 26 mm
Image resolution 8192 x 6144 4000 x 3000
Lenses 1) Standard: 50 MP2) Telephoto: 200 MP3) Ultrawide: 50 MP 1) Standard: 12 MP2) Telephoto: 64 MP3) Ultrawide: 12 MP
Matrix 50 megapixels 12 megapixels
Pixel size 1.22 micron 1.8 micron
Sensor Sony LYT-828 Sony IMX555
Sensor size 1/1.28" (≈ 0.78 inch) 1/1.76" (≈ 0.57 inch)
Slow motion 480 FPS (720p) 960 FPS (720p)
Stabilization Optical Optical
Zoom Optical, 3x Optical, 1.1x

Memory

Memory specifications comparison
Specification Oppo Find X9 Pro Samsung Galaxy S21
Channels 4 2
Memory card No No
Memory clock 5333 MHz 2750 MHz
Memory type LPDDR5X LPDDR5
RAM size 12 GB 8 GB
Storage size 256 GB 128 GB
Storage type UFS 4.1 UFS 3.1

Other

Other specifications comparison
Specification Oppo Find X9 Pro Samsung Galaxy S21
Announced October 2025 January 2021
Bundled charger Yes, 80 W
Category Flagship Flagship
Launch price (MSRP) $1299 $800
Release date October 2025 February 2021
Sensors - Proximity sensor- Gyroscope- Accelerometer- Ambient light sensor- Compass- Fingerprint - Hall-effect sensor- Barometer- Proximity sensor- Gyroscope- Accelerometer- Ambient light sensor- Compass- Fingerprint
SAR (body) 1.51 W/kg
SAR (head) 0.46 W/kg
Successor -Samsung Galaxy S22

Performance

Performance specifications comparison
Specification Oppo Find X9 Pro Samsung Galaxy S21
Architecture - 4 cores at 2.7 GHz: C1-Pro- 3 cores at 3.5 GHz: C1-Premium- 1 core at 4.21 GHz: C1-Ultra - 4 cores at 2.2 GHz: Cortex-A55- 3 cores at 2.81 GHz: Cortex-A78- 1 core at 2.91 GHz: Cortex-X1
CPU cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
Chipset MediaTek Dimensity 9500 Samsung Exynos 2100
FLOPS ~5271.5 GFLOPS ~765.2 GFLOPS
GPU clock 1716 MHz 854 MHz
GPU shading units 1536 448
Graphics Mali-G1 Ultra MP12 Mali-G78 MP14
L3 cache 16 MB
Lithography process 3 nanometers 5 nanometers
Manufacturing TSMC Samsung
Max clock 4210 MHz 2900 MHz
Neural processor (NPU) MediaTek NPU 990 Yes

Recent User Tests

Recent User Tests specifications comparison
Specification Oppo Find X9 Pro Samsung Galaxy S21
Date Benchmark Benchmark
📘 2026-04-03->StevenS GeekBench GPU
📘 2026-04-10(Xx_DuLe_xX) AnTuTu
📘 2026-04-29(Alijka) AnTuTu
📘 2026-05-23(Awie97#) AnTuTu
📘 2026-05-23(Valerij) AnTuTu
📘 2026-07-14(7kxlz) AnTuTu
📘 2026-07-26->FrostbyteX AnTuTu
📘 2026-04-20(daniilrozyev) CPU Throttle
📘 2026-05-10(Sulurya) AnTuTu
📘 2026-05-28(Sulurya) AnTuTu
📘 2026-06-28(forneusgang) AnTuTu
📘 2026-07-05(Luckyy) AnTuTu
📘 2026-07-10(TechNova0627) GeekBench CPU

Selfie camera

Selfie camera specifications comparison
Specification Oppo Find X9 Pro Samsung Galaxy S21
Depth sensor (TOF 3D) No No
Megapixels 50 megapixels 10 megapixels
Video resolution 2160p (4K) at 60 FPS 2160p (4K) at 60 FPS

Software

Software specifications comparison
Specification Oppo Find X9 Pro Samsung Galaxy S21
OS size 58 GB 28.1 GB
OS updates 5 years 2 years
Operating system Android 16 Android 11 (Can be upgraded to Android 15)
ROM ColorOS 16 One UI 7.0
Security updates 6 years 4 years

Sound

Sound specifications comparison
Specification Oppo Find X9 Pro Samsung Galaxy S21
Dolby Atmos Yes Yes
FM radio No No
Headphone audio jack No No
Speakers Stereo Stereo

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