Samsung Galaxy S21 Ultra (SM-G998B 256GB) vs Samsung Galaxy Note 4 Duos (SM-N9100)

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Side by side comparison between Samsung Galaxy S21 Ultra vs Samsung Galaxy Note 4 phones, differences, pros, cons and full specifications. What's the better?

11/14/2021 4:16 PM, updated: 11/21/2023 5:01 AM

Compare Samsung Galaxy Note 4 X Samsung Galaxy S21 Ultra (SM-G998B 256GB) 27Points

Specifications Compare Models Pictures

6.8"
AMOLED

1440x3200

108
MP

40mp

12GB
RAM

Octa-core

5000
mAh

(Non removable)

10Points Samsung Galaxy Note 4 Duos (SM-N9100) Compare Samsung Galaxy S21 Ultra X

Specifications Compare Models Pictures

5.7"
AMOLED

1440x2560

16
MP

3.7mp

3GB
RAM

Quad-core

3000
mAh

(Removable)

What's the better phone? Samsung Galaxy S21 Ultra (SM-G998B 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!

27 Advantages Samsung Galaxy S21 Ultra (SM-G998B 256GB)	vs	10 Advantages Samsung Galaxy Note 4 Duos (SM-N9100)
+2.9GHz 64bit Octa-core (5nm)37% More powerful processor, you can open your applications faster	vs	2.7GHz 32bit Quad-core
+12GB LPDDR53 times More RAM memory. Typically more responsive and better for multitasking.	vs	3GB LPDDR3
+256GB (220GB available)17 times More internal storage for applications and files	vs	16GB (12GB available)
+UFS 3.1Advantage Fastest write and read storage.	vs	eMMC 5.0
+1440x3200 pixels25% Higher resolution screen	vs	1440x2560 pixels
+516 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	515 PPI
+6.8"19% Larger screen	vs	5.7"
+(quad camera) 108MP + 10MP + 10MP + 12MP8 times Higher resolution main camera	vs	(back) 16MP
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+1/1.33" inches95% The larger sensor camera lets you take photos with better depth.	vs	1/2.6" inches
+f/1.8 (aperture)22% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.2 (aperture)
+(front) 40MP10 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 3.7MP
+8K UHD (7680x4320)3 times More image quality for recording videos with the primary camera	vs	4K UHD (3840x2160)
+(front) 4K UHD (3840x2160)125% More image quality for recording videos with the secondary camera	vs	(front) 2K UHD (2560x1440)
+Android 14Advantage Android 14 is newer and safer	vs	Android 6.0.1 Marshmallow
+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster	vs	4G LTE
+(5G SA/NSA) 5000 Mbps32 times Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+Face unlockAdvantage Sensors help you use the device	vs	Not supported
+UWB (Ultra Wideband)Advantage Sensors help you use the device	vs	Not supported
+5000 mAh67% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3000 mAh
+1 slot (Single-SIM) + e-SIM (Eletronic)Advantage You can have more mobile carriers/operators on the same device.	vs	2 slots (Dual-SIM) (dedicated slot)
+FMAdvantage The radio lets you listen to your songs and sports in general	vs	Not supported
+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster	vs	802.11 a/b/g/n/ac [wifi5]
+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster	vs	4.1 + A2DP
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.	vs	MicroUSB 2.0
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0
+IP68 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
Not supported	vs	+Until 256GB microSD, microSDXCAdvantage More external storage for files using memory cards
227 grams (7.95 ounces)	vs	+176 grams (6.16 ounces)29% Lighter
8.9 millimeters (0.35 inches)	vs	+8.5 millimeters (0.33 inches)5% Thinner
Not supported	vs	+ANT+Advantage Sensors help you use the device
Not supported	vs	+Heart rateAdvantage Sensors help you use the device
Not supported	vs	+HumidityAdvantage Sensors help you use the device
Not supported	vs	+SpO2Advantage Sensors help you use the device
Not supported	vs	+TemperatureAdvantage Sensors help you use the device
LiPo: li-ion polymer (Non removable)	vs	+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily
Type-C reversible connector	vs	+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores

21 Common items in both devices

Aluminum frame, glass front/back / Aluminum body, glass front, plastic back

Dynamic AMOLED / Super AMOLED

16 million

LED flash

PDAF: phase detection autofocus on both cameras / Autofocus

OIS: Optical stabilization

HDR photo/video on both cameras

+14 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

📱 Model features
	Galaxy S21 Ultra (SM-G998B 256GB)	Galaxy Note 4 Duos (SM-N9100)
Change model		Choose the model
Model	Galaxy S21 Ultra (SM-G998B 256GB)	Galaxy Note 4 Duos (SM-N9100)
Other model names	Galaxy S21 Ultra 5G (SM-G998B Single-SIM)	Samsung Galaxy Note 4 Dual-Sim Quad-core, Samsung Muscat
Country or region available	Australia	China, Hong Kong
Brand	Samsung	Samsung
Release date	1/29/2021, Announced: 1/14/2021	10/10/2014
Depth	8.9 millimeters (0.35 inches)	8.5 millimeters (0.33 inches)
Size (width x height)	75.6 x 165.1 millimeters (2.98 x 6.5 in)	78.6 x 153.5 millimeters (3.09 x 6.04 in)
Weight	227 grams (7.95 ounces)	176 grams (6.16 ounces)
Build, materials	Aluminum frame, glass front/back	Aluminum body, glass front, plastic back
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 256GB)	Galaxy Note 4 Duos (SM-N9100)
Display type	Dynamic AMOLED	Super AMOLED
Screen size	6.8" inches	5.7" inches
Screen-to-body ratio	~89.4% (screen-to-body ratio)	~74.2% (screen-to-body ratio)
Display resolution	1440x3200 pixels (20:9)	1440x2560 pixels
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch 10-points
Pixel density (dot pitch)	516 PPI	515 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass Victus	Gorilla Glass 4
Refresh rate	120Hz	feature not registered
Display features	1500nits[peak] HDR10+ Always-On Display	feature not registered
🤖 Operating System
	Galaxy S21 Ultra (SM-G998B 256GB)	Galaxy Note 4 Duos (SM-N9100)
System version	Android 11	Android 4.4.4 KitKat
Firmware update	Android 14	Android 6.0.1 Marshmallow
User Interface	One UI 3.1 / 4.1 / 5.1 / 6.0	feature not registered
⚙️ Processor
	Galaxy S21 Ultra (SM-G998B 256GB)	Galaxy Note 4 Duos (SM-N9100)
Chipset	64bit: Samsung Exynos 2100 (5nm)	32bit: Qualcomm Snapdragon 805 APQ8084 Pro (28nm)
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)	Quad-core, 1 processor: 4x 2.7GHz Krait 450 (Quad-core)
GPU graphical controller	ARM Mali-G78 MP14 (854MHz)	Qualcomm Adreno 420
Performance (benchmark)	AnTuTu: 657150 (v8), 727634 (v9) Geekbench: 3457 (v5.2) GFXBench: 51fps (ES 3.1 onscreen)	feature not registered
💽 Memory and storage
	Galaxy S21 Ultra (SM-G998B 256GB)	Galaxy Note 4 Duos (SM-N9100)
RAM memory	12GB LPDDR5	3GB LPDDR3
Internal storage	256GB (220GB available) UFS 3.1	16GB (12GB available) eMMC 5.0
External storage	Not supported	Until 256GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy S21 Ultra (SM-G998B 256GB)	Galaxy Note 4 Duos (SM-N9100)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	1 slot (Single-SIM) nano-SIM (4FF) + e-SIM	2 slots (Dual-SIM) micro-SIM (3FF)
Maximum Download / Upload	5000/1920 Mbps	150/50 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
Primary 3G network	UMTS 850/900/1700/1900/2100	TD-SCDMA 1900/2000 UMTS 850/900/1900/2100
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 Cat4 1800/2100/2600 (Bands 1,3,7) TD-LTE 1900/2300/2500/2600 (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, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G network	GSM 850/900/1800/1900	GSM 900/1800/1900
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	GPRS, EDGE
📷 Camera
	Galaxy S21 Ultra (SM-G998B 256GB)	Galaxy Note 4 Duos (SM-N9100)
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	16 megapixels
Main camera resolution	12000x9000 pixels	4608x3456 pixels
Video recording (primary)	8K UHD (7680x4320) 24 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/2.2 (aperture)
Focal length	26mm lens	31mm lens
Sensor size	1/1.33" inches	1/2.6" inches
Pixel size	1.8µm pixel	1.12µm pixel
Autofocus	PDAF: phase detection autofocus on both cameras	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 256GB)	Galaxy Note 4 Duos (SM-N9100)
Front camera (secondary)	40 megapixels	3.7 megapixels
Front camera resolution	7296x5472 pixels	2560x1440 pixels
Video recording (secondary)	4K UHD (3840x2160)	2K UHD (2560x1440)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/1.9 (aperture)
Focal length	26mm lens	22mm 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 256GB)	Galaxy Note 4 Duos (SM-N9100)
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	MP4, DivX, XviD, H.264, H.263, WMV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, AC3, FLAC
🔌 Connectivity
	Galaxy S21 Ultra (SM-G998B 256GB)	Galaxy Note 4 Duos (SM-N9100)
USB	USB 3.2 Type-C, USB OTG On-The-Go	MicroUSB 2.0
Audio output	Type-C reversible connector	3.5mm jack
TV output	USB Type-C (reversible)	Micro-B USB MHL-3
Bluetooth	5.2 + A2DP/LE	4.1 + 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 WiFi Direct, hotspot
DLNA	Supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS
NFC	Supported	Supported
Infrared port	Not supported	Supported
🧭 Sensors
	Galaxy S21 Ultra (SM-G998B 256GB)	Galaxy Note 4 Duos (SM-N9100)
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 ANT+ Barometer Compass Fingerprint sensor (front-mounted) Gesture Gyroscope Hall effect Heart rate Humidity Proximity sensor SpO2 Temperature
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy S21 Ultra (SM-G998B 256GB)	Galaxy Note 4 Duos (SM-N9100)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Removable)
Battery capacity	5000 mAh	3000 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	feature not registered
Talk time autonomy	feature not registered	17 hours
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy S21 Ultra (SM-G998B 256GB)	Galaxy Note 4 Duos (SM-N9100)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (Swype), 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: Black, White, Pink, Gold • USB OTG On-The-Go • Samsung TouchWiz UX • S Pen stylus • S-Voice natural language • Dropbox 50GB • Samsung Gear S compatible • ANT+ support
☢️ Radiation rate
	Galaxy S21 Ultra (SM-G998B 256GB)	Galaxy Note 4 Duos (SM-N9100)
SAR 1.6W/kg (USA, Mexico, etc.)	0.24W/kg (head), 0.72W/kg (body)	0.33W/kg (head), 1.09W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	0.714W/kg (head), 1.58W/kg (body)	0.204W/kg (head), 0.272W/kg (body)