Realme GT 2 Pro (256GB/8GB) vs Samsung Galaxy S21 Ultra (SM-G998N 256GB)
Side by side comparison between Realme GT 2 Pro vs Samsung Galaxy S21 Ultra phones, differences, pros, cons and full specifications. What's the better?
,
6.7"
AMOLED
AMOLED
1440x3216
50
MP
MP
32mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
6.8"
AMOLED
AMOLED
1440x3200
108
MP
MP
40mp
12GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S21 Ultra (SM-G998N 256GB)
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!
9 Advantages 
17 Advantages | 30 Common items in both devices |
| 256GB (222GB available) / 256GB (220GB available) |
| UFS 3.1 |
| Aluminum frame, glass front/back |
| HDR10+ |
| 120Hz |
| PDAF: phase detection autofocus / PDAF: phase detection autofocus on both cameras |
| OIS: Optical stabilization |
| +23 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 GT 2 Pro (256GB/8GB) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| Model | Realme GT 2 Pro (256GB/8GB) | Galaxy S21 Ultra (SM-G998N 256GB) |
| Other model names | Realme GT2 Pro 5G (RMX3300, RMX3301) | 갤럭시 S21 Ultra 5G (SM-G998N Single-SIM) |
| Country or region available |   (Global, International), China |  South Korea |
| Brand | Realme | Samsung |
| Release date | 1/8/2022, Announced: 1/4/2022 | 1/29/2021, Announced: 1/14/2021 |
| Depth | 8.2 millimeters (0.32 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 74.7 x 163.2 millimeters (2.94 x 6.43 in) | 75.6 x 165.1 millimeters (2.98 x 6.5 in) |
| Weight | 189 grams (6.62 ounces) | 227 grams (7.95 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum frame, glass front/back |
| Protection against water and others | Water repellent nano-coating (don't immerse) | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Realme GT 2 Pro (256GB/8GB) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| Display type | AMOLED | Dynamic AMOLED |
| Screen size | 6.7" inches | 6.8" inches |
| Screen-to-body ratio | ~88.6% (screen-to-body ratio) | ~89.4% (screen-to-body ratio) |
| Display resolution | 1440x3216 pixels (20:9) | 1440x3200 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 526 PPI | 516 PPI |
| Colors | 1 billion | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus | Gorilla Glass Victus |
| Refresh rate | 120Hz | 120Hz |
| Display features | 500nits[typ], 1400nits[peak] HDR10+ Touch Sampling Rate: 360Hz | 1500nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| Realme GT 2 Pro (256GB/8GB) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| System version | Android 12 | Android 11 |
| Firmware update | feature not registered | Android 14 |
| User Interface | Realme UI 3.0 | One UI 3.1 / 4.1 / 5.1 / 6.0 |
⚙️ Processor | ||
| Realme GT 2 Pro (256GB/8GB) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 8 Gen 1 (SM8450) (4nm) | 64bit: Samsung Exynos 2100 (5nm) |
| CPU | Octa-core, 3 processors: 1x 3GHz ARM Cortex-X2 (Single-core) 3x 2.5GHz ARM Cortex-A710 (Triple-core) 4x 1.79GHz ARM Cortex-A510 (Quad-core) | Octa-core, 3 processors: 1x 2.9GHz ARM Cortex-X1 (Single-core) 3x 2.8GHz ARM Cortex-A78 (Triple-core) 4x 2.2GHz ARM Cortex-A55 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 730 (818MHz) | ARM Mali-G78 MP14 (854MHz) |
| Performance (benchmark) | AnTuTu: 966251 (v9) Geekbench: 3501 (v5.1) GFXBench: 48fps (ES 3.1 onscreen) | AnTuTu: 657150 (v8), 727634 (v9) Geekbench: 3457 (v5.2) GFXBench: 51fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Realme GT 2 Pro (256GB/8GB) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| RAM memory | 8GB LPDDR5 | 12GB LPDDR5 |
| Internal storage | 256GB (222GB available) UFS 3.1 | 256GB (220GB available) UFS 3.1 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Realme GT 2 Pro (256GB/8GB) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 5000/1920 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 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 | CDMA 800, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) China/India version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42) | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (38, 39, 40, 41) VoLTE |
| Primary 5G network | SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78) | SA/NSA/Sub6 (77, 78) |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, 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 800/850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat20 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) China/India version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42) | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | Not supported |
📷 Camera | ||
| Realme GT 2 Pro (256GB/8GB) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| Back camera (main camera) | (triple camera) 50 megapixels 50MP ultrawide f/2.215mm150°1/2.76"0.64µm 3MP microscope f/3.320mmAF40x-magnification | (quad camera) 108 megapixels 10MP periscope telephoto f/4.9240mm1/3.24"1.22µmPDAFOIS10x-optical-zoom 10MP telephoto f/2.470mm1/3.24"1.22µmPDAFOIS3x-optical-zoom 12MP ultrawide f/2.213mm1/2.55"1.4µmPDAFSuper-Steady-video |
| Main camera resolution | 8160x6120 pixels | 12000x9000 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 24 fps | 8K UHD (7680x4320) 24 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 24mm lens | 26mm lens |
| Sensor size | 1/1.56" inches | 1/1.33" inches |
| Pixel size | 1µm pixel | 1.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus on both cameras |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical 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 | Supported | Supported |
| HDR | HDR photo/video on both cameras | HDR photo/video on both cameras |
| Camera extras | 4K@60fps 1080p@240fps Sony IMX766 (back) Sony IMX615 (front) | 4K@60fps 1080p@240fps 720p@960fps |
📸 Front camera | ||
| Realme GT 2 Pro (256GB/8GB) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| Front camera (secondary) | 32 megapixels | 40 megapixels |
| Front camera resolution | 6528x4896 pixels | 7296x5472 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.4 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/2.74" inches | 1/2.8" inches |
| Pixel size | 0.8µm pixel | 0.7µm pixel |
🔉 Sound and multimedia | ||
| Realme GT 2 Pro (256GB/8GB) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| Loudspeaker | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos Hi-Res | 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 GT 2 Pro (256GB/8GB) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 3.2 Type-C, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | Type-C reversible connector |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.2 + A2DP/LE | 5.2 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (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, QZSS, NavIC | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Realme GT 2 Pro (256GB/8GB) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Realme GT 2 Pro (256GB/8GB) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 5000 mAh |
| Charger, watts | 65W Wired fast charging | 25W Wired fast charging USB Power Delivery 3.0 |
| Inductive / wireless charging | Not supported | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Realme GT 2 Pro (256GB/8GB) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| 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: Steel Black, Paper White, Green, Titanium Blue • Screen protector included • Protective case included | • Colors: Phantom Black, Silver, Titanium, Navy, Brown • Samsung Pay (Visa, MasterCard) • Samsung DeX • Stylus pen support |
☢️ Radiation rate | ||
| Realme GT 2 Pro (256GB/8GB) | Galaxy S21 Ultra (SM-G998N 256GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.489W/kg (head), 1.1W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |