Realme P3 Ultra 5G vs Samsung Galaxy S21
75
out 100
VS
65
out 100
Compared 2 smartphones : Realme P3 Ultra 5G Manufactured in March, 2025, with display 6.83 with chipsetMediaTek Dimensity 8350 Ultra, vs Samsung Galaxy S21, Manufactured in February, 2021 with chipsetSamsung Exynos 2100. Below are specs, tests, pros and cons for each device
Key Differences
Reasons to choose Realme P3 Ultra 5G
- Larger display: 6.83in
- Higher pixel density: 450ppi
- Higher battery capacity: 6000mAh vs 4000mAh
- Newer Bluetooth version: 5.4 vs 5
- Infrared port
- Includes charger
Reasons to choose Samsung Galaxy S21
- Lighter design: 169g vs 183g
- Supports newer USB: 3.2 vs 2
- Built-in eSIM
Versions
| Memory Options | - 8/128 GB - 8/256 GB - 12/256 GB - 12/512 GB |
- 8/128 GB - 8/256 GB |
Review
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
Adjust each parameter’s importance to find the best match for you.
Tests & specs
Specs & test comparisonDisplay
| Type | AMOLED | Dynamic AMOLED |
| Size | 6.83 in | 6.2 in |
| Resolution | 1272x2800 pixels | 1080x2400 pixels |
| Aspect ratio | 20:9 | 20:9 |
| Pixel density | 450 ppi | 421 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Adaptive refresh rate | Yes (60-120 Hz) | Yes (48-120 Hz) |
| Max brightness | 1500 nits | 800 nits |
| HDR support | n/a | Yes HDR10+ |
| Touch Sampling Rate | 240 Hz | n/a |
| Screen-to-body ratio | 89.8 % | 85.9 % |
| Features | - DCI-P3 - Always-On Display - DC dimming |
- DCI-P3 - Always-On Display |
| sRGB gamut | n/a | 99.5 % |
| PWM (Flicker) | n/a | 240 Hz |
| Response time | n/a | 5 ms |
| Contrast | n/a | ∞ Infinite |
Design & Build
| Height | 163.1 mm (6.42 in) | 151.7 mm (5.97 in) |
| Width | 76.9 mm (3.03 in) | 71.2 mm (2.8 in) |
| Thickness | 7.38 mm (0.29 in) | 7.9 mm (0.31 in) |
| Weight | 183 g (6.46 oz) | 169 g (5.96 oz) |
| Water resistance | IP69 | IP68 |
| Back panel | Plastic | Plastic |
| Frame | Metal | Metal |
| Colors | - White - Blue - Red |
- White - Gray - Pink - Purple |
| Fingerprint sensor | Yes In-Display | Yes In-Display |
Screen-to-body ratio
Performance
| Chipset | MediaTek Dimensity 8350 Ultra | Samsung Exynos 2100 |
| Max Frequency | 3350 MHz | 2900 MHz |
| CPU Cores | 8 (1 + 3 + 4) | 8 (1 + 3 + 4) |
| Architecture | - 4/2.2 (Cortex-A510) - 3/3.2 (Cortex-A715) - 1/3.35 (Cortex-A715) |
- 4/2.2 (Cortex-A55) - 3/2.81 (Cortex-A78) - 1/2.91 (Cortex-X1) |
| Process | TSMC | Samsung |
| Transistor Size | 4 nm | 5 nm |
| Neural Processor | MediaTek APU 780 | Yes |
| Graphics | Mali-G615 MP6 | Mali-G78 MP14 |
| GPU Cores | 768 | 896 |
| GPU Frequency | 1400 MHz | 854 MHz |
| FLOPS | 2150.4 GFLOPS | 1530.4 GFLOPS |
| Geekbench 6 (Single-Core) | 1216 | 1331 |
| Geekbench 6 (Multi-Core) | 4012 | 3593 |
| Geekbench Compute (GPU) | 8611 | n/a |
| CPU | 318871 | 253391 |
| GPU | 551493 | 281676 |
| Memory | 276524 | 158352 |
| UX | 287045 | 210361 |
| NanoReview Score | 1433933 | 903780 |
| Max Surface Temp. | n/a | 38.9 °C |
| Stability | n/a | 66 % |
| Graphics Test | n/a | 34 fps |
| Graphics Score | n/a | 5715 |
| Writing score | n/a | 16101 |
| Web score | n/a | 11909 |
| Video editing | n/a | 7097 |
| Data manipulation | n/a | 10153 |
| NanoReview Score | n/a | 13123 |
Memory
| RAM Size | - 8 GB - 12 GB |
8 GB |
| Memory Type | LPDDR5X | LPDDR5 |
| Memory Frequency | 4200 MHz | 2750 MHz |
| Channels | 4 | 2 |
| Storage Capacity | - 128 GB - 256 GB | - 128 GB - 256 GB |
| Storage Type | UFS 3.1 | UFS 3.1 |
| Memory Card | No | No |
Software
| OS | Android 15 | Android 11 (Upgradeable to Android 14) |
| OS Size | n/a | 28.1 GB |
| UI Skin | Realme UI 6.0 | One UI 6.0 |
Battery
| Volume | 6000 mAh | 4000 mAh |
| Max Charging Power | 80 W | 25 W |
| Battery Type | Silicon Carbon (Si/C) | Li-ion |
| Removable | No | No |
| Wireless Charging | No | Yes (15 W) |
| Reverse Charging | Yes | Yes (Wireless) |
| Fast Charging | Yes (76% in 30 min) | Yes (55% in 50 min) |
| Full Charge Time | 1:00 h | 1:35 h |
| Web Browsing | n/a | 06:01 h |
| Video Playback | n/a | 11:06 h |
| Games | n/a | 04:21 h |
| Standby Mode | n/a | 95 h |
Main camera
| Matrix | 50 MP | 12 MP |
| Photo resolution | 8192x6144 pixels | 4000x3000 pixels |
| Zoom | Digital | Optical, 1.1x |
| Flash | LED | Dual LED |
| Stabilization | Optical | Optical |
| 8K Recording | No | Up to 24FPS |
| 4K Recording | Yes (Up to 60 fps) | Yes (Up to 60 fps) |
| 1080p Recording | Yes (Up to 60 fps) | Yes (Up to 60 fps) |
| Slow Motion | 240 fps (720p) | 960 fps (720p) |
| Wide-angle lens | 112 ° | 120 ° |
| Lenses count | Standard: 50 MP Ultra-wide: 8 MP |
Standard: 12 MP Telephoto: 64 MP Ultra-wide: 12 MP |
| Features | - Bokeh effect - Pro mode |
- Bokeh effect - Pro mode - RAW support |
| Matrix | 50 MP | 12 MP |
| Aperture | f/1.8 | f/1.8 |
| Focal length | 24 mm | 26 mm |
| Sensor | Sony IMX896 | Sony IMX555 |
| Sensor size | 1/1.56 | 1/1.76 |
| Pixel size | 1 μm | 1.8 μm |
| Autofocus | Phase autofocus | Phase autofocus (Dual Pixel) |
| Stabilization | Optical | Optical |
| Matrix | n/a | 64 MP |
| Aperture | n/a | f/2.0 |
| Focal length | n/a | 28 mm |
| Sensor | n/a | Samsung Bright S5KGW2 |
| Sensor size | n/a | 1/1.72 |
| Pixel size | n/a | 0.8 μm |
| Stabilization | n/a | Optical |
| Matrix | 8 MP | 12 MP |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 16 mm | 13 mm |
| Sensor | Omnivision OV08D10 | Sony IMX563 |
| Sensor size | 1/4.0 | 1/2.55 |
| Pixel size | 1.12 μm | 1.4 μm |
| Stabilization | Digital | Digital |
| Bokeh | n/a | 70 |
| Preview | n/a | 72 |
| Zoom | n/a | 126 |
Front camera
| Matrix | 16 MP | 10 MP |
| Photo resolution | 4920x3264 pixels | 3872x2592 pixels |
| Aperture | f/2.4 | f/2.2 |
| Focal length | 23 mm | 26 mm |
| Sensor | Sony IMX480 | Sony IMX374 |
| Sensor size | 1/3.09 | 1/3.24 |
| Pixel size | 1 μm | 1.22 μm |
| Autofocus | No | Phase autofocus (Dual Pixel) |
| Stabilization | Digital | Digital |
| Video resolution | 1080p (Full HD) at 60 fps | 2160p (4K) at 60 fps |
| TOF 3D sensor | No | No |
Connectivity
| Wi-Fi version | Wi-Fi 6 (802.11 a/b/g/n/ac/ax) | Wi-Fi 6 (802.11 a/b/g/n/ac/ax) |
| 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 |
| Bluetooth version | 5.4 | 5 |
| Bluetooth features | LE | LE, A2DP |
| USB type | USB Type-C | USB Type-C |
| USB version | 2 | 3.2 |
| USB features | - Charging - USB Storage Mode - OTG |
- Charging - USB Storage Mode - USB-Host mode - OTG |
| DisplayPort | No | n/a |
| GPS | - GPS - GLONASS - Beidou - Galileo - QZSS |
- GPS - GLONASS - Beidou - Galileo |
| NFC* | Varies by region | Yes |
| Infrared Port | Yes | No |
| SIM Count* | 2 | 2 |
| SIM Type | Nano | Nano |
| SIM Mode | Dual SIM Standby | Dual SIM Standby |
| eSIM Support * | No | Yes |
| Hybrid Slot | No | No |
| 2G Bands | GSM (850/900/1800/1900) | GSM 850, 900, 1800, 1900 MHz |
| 3G Bands | WCDMA (850/900/1700/1900/2100) | WCDMA Band 1, 2, 4, 5, 8 |
| LTE Bands* | LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B38/B40/B41/B66) | LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B38/B39/B40/B41/B66) |
| LTE category | n/a | 24 |
| 5G Support | Yes | Yes |
Sound
| Speakers | Stereo | Stereo |
| 3.5 mm Jack | No | No |
| FM Radio | No | No |
| Dolby Atmos | Yes | Yes |
Other
| Class | Mid-range | Flagship |
| Announced | March, 2025 yr | January, 2021 yr |
| Release Date | March, 2025 yr | February, 2021 yr |
| Launch Price ($) | 315 | 800 |
| Sensors | - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
- Hall Sensor - Barometer - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
| Charger Included | Yes 80 W | n/a |
*
Attention!
Config, frequencies, NFC, and other specs may vary by region.
Results
After analyzing the data, we consider Realme P3 Ultra 5G the clear winner in this comparison.
Survey
Total Votes: 0
