Oppo Reno7 A vs Samsung Galaxy S21 Ultra (SM-G998W 256GB)
Side by side comparison between Oppo Reno7 A vs Samsung Galaxy S21 Ultra phones, differences, pros, cons and full specifications. What's the better?
,
6.4"
AMOLED
AMOLED
1080x2400
48
MP
MP
16mp
6GB
RAM
RAM
Octa-core
4500
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-G998W 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!
17 Common items in both devices |
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 |
5G SA/NSA |
Capacitive |
Multitouch |
+10 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 | ||
Oppo Reno7 A | Galaxy S21 Ultra (SM-G998W 256GB) | |
Change model | ||
Model | Reno7 A | Galaxy S21 Ultra (SM-G998W 256GB) |
Other model names | Oppo Reno 7A 5G (CPH2353) | Galaxy S21 Ultra 5G (SM-G998W) |
Country or region available | Japan | Canada |
Brand | Oppo | Samsung |
Release date | 6/16/2022 | 1/29/2021, Announced: 1/14/2021 |
Depth | 7.6 millimeters (0.3 inches) | 8.9 millimeters (0.35 inches) |
Size (width x height) | 73.4 x 159.7 millimeters (2.89 x 6.29 in) | 75.6 x 165.1 millimeters (2.98 x 6.5 in) |
Weight | 175 grams (6.13 ounces) | 227 grams (7.95 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 | ||
Oppo Reno7 A | Galaxy S21 Ultra (SM-G998W 256GB) | |
Display type | AMOLED | Dynamic AMOLED |
Screen size | 6.4" inches | 6.8" inches |
Screen-to-body ratio | ~84.4% (screen-to-body ratio) | ~89.4% (screen-to-body ratio) |
Display resolution | 1080x2400 pixels | 1440x3200 pixels (20:9) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
Pixel density (dot pitch) | 411 PPI | 516 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Not supported | Gorilla Glass Victus |
Refresh rate | 90Hz | 120Hz |
Display features | 430nits[typ], 600nits[peak] | 1500nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
Oppo Reno7 A | Galaxy S21 Ultra (SM-G998W 256GB) | |
System version | Android 11 | Android 11 |
Firmware update | feature not registered | Android 14 |
User Interface | ColorOS 12 | One UI 3.1 / 4.1 / 5.1 / 6.0 |
⚙️ Processor | ||
Oppo Reno7 A | Galaxy S21 Ultra (SM-G998W 256GB) | |
Chipset | 64bit: Qualcomm Snapdragon 695 (SM6375) (6nm) | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) |
CPU | Octa-core, 2 processors: 2x 2.2GHz Kryo 660 Gold (Dual-core) 6x 1.7GHz Kryo 660 Silver (Hexa-core) | Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core) |
GPU graphical controller | Qualcomm Adreno 619 (840MHz) | Qualcomm Adreno 660 (840MHz) |
Performance (benchmark) | feature not registered | AnTuTu: 681099 (v8), 809165 (v9) Geekbench: 3539 (v5.2) GFXBench: 54fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
Oppo Reno7 A | Galaxy S21 Ultra (SM-G998W 256GB) | |
RAM memory | 6GB LPDDR4X | 12GB LPDDR5 |
Internal storage | 128GB (101GB available) UFS 2.2 | 256GB (220GB available) UFS 3.1 |
External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
Oppo Reno7 A | Galaxy S21 Ultra (SM-G998W 256GB) | |
Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card |
SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM |
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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
Primary 4G network | LTE Cat15 (1, 3, 4, 5, 8, 12, 17, 18, 19, 26, 28) TD-LTE (38, 40, 41, 42) VoLTE | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46) VoLTE |
Primary 5G network | SA/NSA (3, 28, 41, 77, 78) | SA/NSA/Sub6 (2, 41, 66, 71) |
Primary data network | GPRS, EDGE, 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 | GSM 850/900/1800/1900 |
Secondary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
Secondary 4G network | LTE Cat15 (1, 3, 4, 5, 8, 12, 17, 18, 19, 26, 28) TD-LTE (38, 40, 41, 42) VoLTE | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46) VoLTE |
Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
Oppo Reno7 A | Galaxy S21 Ultra (SM-G998W 256GB) | |
Back camera (main camera) | (triple camera) 48 megapixels 8MP ultrawide f/2.2120° 2MP depth f/2.4 | (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 | 8000x6000 pixels | 12000x9000 pixels |
Video recording (primary) | Full HD (1920x1080) 30 fps | 8K UHD (7680x4320) 24 fps |
Flash | LED flash | LED flash |
Focal aperture | f/1.7 (aperture) | f/1.8 (aperture) |
Focal length | feature not registered | 26mm lens |
Sensor size | feature not registered | 1/1.33" inches |
Pixel size | feature not registered | 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 | 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 | ||
Oppo Reno7 A | Galaxy S21 Ultra (SM-G998W 256GB) | |
Front camera (secondary) | 16 megapixels | 40 megapixels |
Front camera resolution | 4608x3456 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 | feature not registered | 26mm lens |
Sensor size | feature not registered | 1/2.8" inches |
Pixel size | feature not registered | 0.7µm pixel |
🔉 Sound and multimedia | ||
Oppo Reno7 A | Galaxy S21 Ultra (SM-G998W 256GB) | |
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 | ||
Oppo Reno7 A | Galaxy S21 Ultra (SM-G998W 256GB) | |
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 | 5.2 + A2DP/LE |
WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) 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 | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
NFC | Not supported | Supported |
Infrared port | Not supported | Not supported |
🧭 Sensors | ||
Oppo Reno7 A | Galaxy S21 Ultra (SM-G998W 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 | ||
Oppo Reno7 A | Galaxy S21 Ultra (SM-G998W 256GB) | |
Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
Battery capacity | 4500 mAh | 5000 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) 4.5W Reverse wireless charging |
Talk time autonomy | feature not registered | feature not registered |
Standby | feature not registered | feature not registered |
➕ Other features | ||
Oppo Reno7 A | Galaxy S21 Ultra (SM-G998W 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: Starry Black, Dream Blue | • Colors: Phantom Black, Silver, Titanium, Navy, Brown • Samsung Pay (Visa, MasterCard) • Samsung DeX • Stylus pen support |
☢️ Radiation rate | ||
Oppo Reno7 A | Galaxy S21 Ultra (SM-G998W 256GB) | |
SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.12W/kg (head), 1.25W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |