Samsung Galaxy S21 Ultra (SM-G998B/DS 256GB) vs Apple iPhone 6S Plus (128GB)
Side by side comparison between Samsung Galaxy S21 Ultra vs Apple iPhone 6S Plus phones, differences, pros, cons and full specifications. What's the better?
,
6.8"
AMOLED
AMOLED
1440x3200
108
MP
MP
40mp
12GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
5.5"
IPS
IPS
1080x1920
12
MP
MP
5mp
2GB
RAM
RAM
Dual-core
2750
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S21 Ultra (SM-G998B/DS 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!
19 Common items in both devices |
Aluminum frame, glass front/back / Aluminum body, glass front |
16 million |
PDAF: phase detection autofocus on both cameras / PDAF: phase detection autofocus |
OIS: Optical stabilization |
HDR photo/video on both cameras |
Capacitive |
Multitouch |
+12 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 | ||
Galaxy S21 Ultra (SM-G998B/DS 256GB) | iPhone 6S Plus (128GB) | |
Model | Galaxy S21 Ultra (SM-G998B/DS 256GB) | iPhone 6S Plus (128GB) |
Other model names | Galaxy S21 Ultra 5G (SM-G998B/Dual-SIM) | iPhone 6s Plus A1634, iPhone 6s Plus A1687 CDMA, iPhone 6s+ |
Country or region available | (Global, International) | (Global, International) |
Brand | Samsung | Apple |
Release date | 1/29/2021, Announced: 1/14/2021 | 9/25/2015, Announced: 9/9/2015 |
Depth | 8.9 millimeters (0.35 inches) | 7.3 millimeters (0.29 inches) |
Size (width x height) | 75.6 x 165.1 millimeters (2.98 x 6.5 in) | 77.9 x 158.2 millimeters (3.07 x 6.23 in) |
Weight | 227 grams (7.95 ounces) | 192 grams (6.72 ounces) |
Build, materials | Aluminum frame, glass front/back | Aluminum body, glass front |
Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
Galaxy S21 Ultra (SM-G998B/DS 256GB) | iPhone 6S Plus (128GB) | |
Display type | Dynamic AMOLED | TFT LED-Backlit IPS LCD |
Screen size | 6.8" inches | 5.5" inches |
Screen-to-body ratio | ~89.4% (screen-to-body ratio) | ~67.7% (screen-to-body ratio) |
Display resolution | 1440x3200 pixels (20:9) | 1080x1920 pixels (16:9) |
Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch 10-points |
Pixel density (dot pitch) | 516 PPI | 401 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Gorilla Glass Victus | Sapphire Glass |
Refresh rate | 120Hz | 60Hz |
Display features | 1500nits[peak] HDR10+ Always-On Display | Not supported |
🤖 Operating System | ||
Galaxy S21 Ultra (SM-G998B/DS 256GB) | iPhone 6S Plus (128GB) | |
System version | Android 11 | iOS 9.0 |
Firmware update | Android 14 | iOS 15 |
User Interface | One UI 3.1 / 4.1 / 5.1 / 6.0 | feature not registered |
⚙️ Processor | ||
Galaxy S21 Ultra (SM-G998B/DS 256GB) | iPhone 6S Plus (128GB) | |
Chipset | 64bit: Samsung Exynos 2100 (5nm) | 64bit: Apple A9 (APL1022) (16nm) |
CPU | 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) | Dual-core, 1 processor: 2x 1.84GHz Twister (Dual-core) |
GPU graphical controller | ARM Mali-G78 MP14 (854MHz) | PowerVR GT7600 (6-core, 650MHz) |
Performance (benchmark) | AnTuTu: 657150 (v8), 727634 (v9) Geekbench: 3457 (v5.2) GFXBench: 51fps (ES 3.1 onscreen) | Basemark OS II: 2261 (2.0) |
💽 Memory and storage | ||
Galaxy S21 Ultra (SM-G998B/DS 256GB) | iPhone 6S Plus (128GB) | |
RAM memory | 12GB LPDDR5 | 2GB LPDDR4 |
Internal storage | 256GB (220GB available) UFS 3.1 | 128GB (114GB available) NVMe (SSD) |
External storage | Not supported | Not supported |
📶 Mobile networks | ||
Galaxy S21 Ultra (SM-G998B/DS 256GB) | iPhone 6S Plus (128GB) | |
Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM | 1 slot (Single-SIM) nano-SIM (4FF) |
Maximum Download / Upload | 5000/1920 Mbps | 300/50 Mbps |
Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G |
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, CDMA 800/1700/1900/2100 |
Primary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 |
Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE | LTE Cat6 A1634 model: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 27, 28, 29, 30) TD-LTE (Bands 38, 39, 40, 41) A1687 model: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 27, 28, 29) TD-LTE (Bands 38, 39, 40, 41) |
Primary 5G network | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78) | Not supported |
Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
Secondary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE | Not supported |
Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | Not supported |
📷 Camera | ||
Galaxy S21 Ultra (SM-G998B/DS 256GB) | iPhone 6S Plus (128GB) | |
Back camera (main camera) | (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 | 12 megapixels |
Main camera resolution | 12000x9000 pixels | 4608x2592 pixels |
Video recording (primary) | 8K UHD (7680x4320) 24 fps | 4K UHD (3840x2160) 30 fps |
Flash | LED flash | Dual-LED flash |
Focal aperture | f/1.8 (aperture) | f/2.2 (aperture) |
Focal length | 26mm lens | 29mm lens |
Sensor size | 1/1.33" inches | 1/3" inches |
Pixel size | 1.8µm pixel | 1.22µm pixel |
Autofocus | PDAF: phase detection autofocus on both cameras | PDAF: phase detection autofocus |
Touch focus | Supported | Supported |
Image stabilization | OIS: Optical stabilization | OIS: Optical stabilization |
Zoom | Digital and optical zoom | Only digital 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 720p@960fps | feature not registered |
📸 Front camera | ||
Galaxy S21 Ultra (SM-G998B/DS 256GB) | iPhone 6S Plus (128GB) | |
Front camera (secondary) | 40 megapixels | 5 megapixels |
Front camera resolution | 7296x5472 pixels | 2592x1944 pixels |
Video recording (secondary) | 4K UHD (3840x2160) | HD (1280x720) |
Front flash | Not supported | Not supported |
Focal aperture | f/2.2 (aperture) | f/2.2 (aperture) |
Focal length | 26mm lens | 31mm lens |
Sensor size | 1/2.8" inches | feature not registered |
Pixel size | 0.7µm pixel | feature not registered |
🔉 Sound and multimedia | ||
Galaxy S21 Ultra (SM-G998B/DS 256GB) | iPhone 6S Plus (128GB) | |
Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Supported |
Active noise cancellation | 2 microphones or more | 2 microphones or more |
Radio | FM | Not supported |
TV | Not supported | Not supported |
Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MPEG4, H.264, H.265, MOV |
Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, AAC, eAAC, M4A |
🔌 Connectivity | ||
Galaxy S21 Ultra (SM-G998B/DS 256GB) | iPhone 6S Plus (128GB) | |
USB | USB 3.2 Type-C, USB OTG On-The-Go | USB 2.0 proprietary connector |
Audio output | Type-C reversible connector | 3.5mm jack |
TV output | USB Type-C (reversible) | Proprietary TV-out |
Bluetooth | 5.2 + A2DP/LE | 4.2 + A2DP |
WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO |
DLNA | Supported | Not supported |
GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, QZSS |
NFC | Supported | Supported |
Infrared port | Not supported | Not supported |
🧭 Sensors | ||
Galaxy S21 Ultra (SM-G998B/DS 256GB) | iPhone 6S Plus (128GB) | |
Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) | Accelerometer Ambient light sensor Barometer Compass Fingerprint sensor (front-mounted) Gyroscope Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Galaxy S21 Ultra (SM-G998B/DS 256GB) | iPhone 6S Plus (128GB) | |
Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
Battery capacity | 5000 mAh | 2750 mAh |
Charger, watts | 25W Wired fast charging USB Power Delivery 3.0 | Wired charging |
Inductive / wireless charging | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging | Not supported |
Talk time autonomy | feature not registered | 24 hours (1 day) |
Standby | feature not registered | 384 hours (16 days) |
➕ Other features | ||
Galaxy S21 Ultra (SM-G998B/DS 256GB) | iPhone 6S Plus (128GB) | |
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: Phantom Black, Silver, Titanium, Navy, Brown • Samsung Pay (Visa, MasterCard) • Samsung DeX • Stylus pen support | • Colors: Silver, Gold, Space Gray, Rose Gold • Oleophobic coating • Touch ID v2 • Simultaneous HD video and image recording • 3D Touch display • FaceTime • Siri natural language • AirDrop file sharing • iCloud cloud service • NFC Apple Pay only (Visa, MasterCard, AMEX) • WiFi hotspot |
☢️ Radiation rate | ||
Galaxy S21 Ultra (SM-G998B/DS 256GB) | iPhone 6S Plus (128GB) | |
SAR 1.6W/kg (USA, Mexico, etc.) | 0.24W/kg (head), 0.72W/kg (body) | 1.12W/kg (head), 1.14W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | 0.714W/kg (head), 1.58W/kg (body) | 0.93W/kg (head), 0.98W/kg (body) |