Realme 8i (128GB/6GB) vs Samsung Galaxy S20 5G (SM-G981U1)
Side by side comparison between Realme 8i vs Samsung Galaxy S20 5G phones, differences, pros, cons and full specifications. What's the better?
,
6.6"
IPS
IPS
1080x2412
50
MP
MP
16mp
6GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
6.2"
AMOLED
AMOLED
1440x3200
12.2
MP
MP
10mp
12GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S20 5G (SM-G981U1)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
5 Advantages 
32 Advantages | 20 Common items in both devices |
| 128GB (104GB available) |
| Until 1TB microSD, microSDXC |
| 120Hz |
| 16 million |
| LED flash |
| PDAF: phase detection autofocus / PDAF: phase detection autofocus on both cameras |
| HDR photo on both cameras / HDR photo/video on both cameras |
| +13 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Realme 8i (128GB/6GB) | Galaxy S20 5G (SM-G981U1) | |
| Model | Realme 8i (128GB/6GB) | Galaxy S20 5G (SM-G981U1) |
| Other model names | Realme 8i RMX3151 (128GB+6GB RAM) | Galaxy S20 SM-G981UZIAXAA (Snapdragon, 12GB RAM) - Unlocked |
| Country or region available |  (Global, International) |  USA |
| Brand | Realme | Samsung |
| Release date | 9/14/2021, Announced: 9/9/2021 | 3/6/2020, Announced: 2/11/2020 |
| Depth | 8.5 millimeters (0.33 inches) | 7.9 millimeters (0.31 inches) |
| Size (width x height) | 75.5 x 164.1 millimeters (2.97 x 6.46 in) | 69.1 x 151.7 millimeters (2.72 x 5.97 in) |
| Weight | 194 grams (6.79 ounces) | 163 grams (5.71 ounces) |
| Build, materials | Plastic body, glass front | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Realme 8i (128GB/6GB) | Galaxy S20 5G (SM-G981U1) | |
| Display type | TFT IPS LCD | Dynamic AMOLED |
| Screen size | 6.6" inches | 6.2" inches |
| Screen-to-body ratio | ~84.6% (screen-to-body ratio) | ~88.5% (screen-to-body ratio) |
| Display resolution | 1080x2412 pixels (20:9) | 1440x3200 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 400 PPI | 566 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 6 |
| Refresh rate | 120Hz | 120Hz |
| Display features | 600nits[peak] | HDR10+ Always-On Display 120Hz@FHD 60Hz@QHD |
🤖 Operating System | ||
| Realme 8i (128GB/6GB) | Galaxy S20 5G (SM-G981U1) | |
| System version | Android 11 | Android 10 |
| Firmware update | feature not registered | Android 13 |
| User Interface | Realme UI 2.0 | One UI 2.5 / 3.1 / 4.1 / 5.0 |
⚙️ Processor | ||
| Realme 8i (128GB/6GB) | Galaxy S20 5G (SM-G981U1) | |
| Chipset | 64bit: MediaTek Helio G96 (12nm) | 64bit: Qualcomm Snapdragon 865 (SM8250) (7nm) |
| CPU | Octa-core, 2 processors: 2x 2.05GHz ARM Cortex-A76 (Dual-core) 6x 2GHz ARM Cortex-A55 (Hexa-core) | Octa-core, 3 processors: 1x 2.84GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core) |
| GPU graphical controller | ARM Mali-G57 MC2 (850MHz) | Qualcomm Adreno 650 (250-587MHz) |
| Performance (benchmark) | AnTuTu: 350000 (v9) | feature not registered |
💽 Memory and storage | ||
| Realme 8i (128GB/6GB) | Galaxy S20 5G (SM-G981U1) | |
| RAM memory | 6GB LPDDR4X | 12GB LPDDR5 |
| Internal storage | 128GB (104GB available) UFS 2.1 | 128GB (104GB available) UFS 3.0 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Realme 8i (128GB/6GB) | Galaxy S20 5G (SM-G981U1) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 400/150 Mbps | 5000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/2100 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat13 (1, 3, 5, 8) TD-LTE (38, 40, 41) VoLTE | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (2, 5, 41, 66, 71) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/2100 | Not supported |
| Secondary 4G network | LTE Cat13 (1, 3, 5, 8) TD-LTE (38, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | Not supported |
📷 Camera | ||
| Realme 8i (128GB/6GB) | Galaxy S20 5G (SM-G981U1) | |
| Back camera (main camera) | (triple camera) 50 megapixels 2MP macro f/2.4 2MP depth f/2.4 | (triple camera) 12.2 megapixels 64MP telephoto f/2.029mm1/1.72"0.8µmPDAFOIS1.1x-optical-zoom 12MP ultrawide f/2.213mm1.4µmSuper-Steady-video |
| Main camera resolution | 8160x6120 pixels | 4032x3024 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 8K UHD (7680x4320) 24 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/2.76" inches | 1/1.76" inches |
| Pixel size | 0.64µm pixel | 1.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus on both cameras |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo/video on both cameras |
| Camera extras | feature not registered | 4K@60fps 1080p@240fps 720p@960fps |
📸 Front camera | ||
| Realme 8i (128GB/6GB) | Galaxy S20 5G (SM-G981U1) | |
| Front camera (secondary) | 16 megapixels | 10 megapixels |
| Front camera resolution | 4608x3456 pixels | 3872x2592 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.1 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | 1/3" inches | 1/3.2" inches |
| Pixel size | 1µm pixel | 1.22µm pixel |
🔉 Sound and multimedia | ||
| Realme 8i (128GB/6GB) | Galaxy S20 5G (SM-G981U1) | |
| Loudspeaker | Mono sound (not stereo) | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Realme 8i (128GB/6GB) | Galaxy S20 5G (SM-G981U1) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 3.2 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.1 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Realme 8i (128GB/6GB) | Galaxy S20 5G (SM-G981U1) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Realme 8i (128GB/6GB) | Galaxy S20 5G (SM-G981U1) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 4000 mAh |
| Charger, watts | 18W Wired fast charging | 25W Wired fast charging USB Power Delivery 3.0 |
| Inductive / wireless charging | Not supported | 15W Qi wireless charging (Qi/PMA) 9W Reverse wireless charging |
| Talk time autonomy | feature not registered | 20 hours |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Realme 8i (128GB/6GB) | Galaxy S20 5G (SM-G981U1) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Space Black, Space Purple • Screen film protector • Case protector | • Colors: Cosmic Grey, Cloud Blue, Cloud Pink, Cloud White, Aura Red • Ultrasonic fingerprint sensor • Bixby • Samsung DeX • Samsung Pay (MST, NFC) |
☢️ Radiation rate | ||
| Realme 8i (128GB/6GB) | Galaxy S20 5G (SM-G981U1) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.07W/kg (head), 1.03W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |