Samsung Galaxy S21 Ultra (SM-G998B 128GB) vs HTC One E8 (Dual-Sim)

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Side by side comparison between Samsung Galaxy S21 Ultra vs HTC One E8 phones, differences, pros, cons and full specifications. What's the better?

11/14/2021 4:15 PM, updated: 5/19/2025 11:26 AM

Compare HTC One E8 X Samsung Galaxy S21 Ultra (SM-G998B 128GB) 30Points

Specifications Compare Models Pictures

6.8"
AMOLED

1440x3200

108
MP

40mp

12GB
RAM

Octa-core

5000
mAh

(Non removable)

03Points HTC One E8 (Dual-Sim) Compare Samsung Galaxy S21 Ultra X

Specifications Compare Models Pictures

5"
SLCD3

1080x1920

13
MP

5mp

2GB
RAM

Quad-core

2600
mAh

(Non removable)

What's the better phone? Samsung Galaxy S21 Ultra (SM-G998B 128GB)

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!

30 Advantages Samsung Galaxy S21 Ultra (SM-G998B 128GB)	vs	3 Advantages HTC One E8 (Dual-Sim)
+2.9GHz 64bit Octa-core (5nm)61% More powerful processor, you can open your applications faster	vs	2.3GHz 32bit Quad-core
+12GB LPDDR55 times More RAM memory. Typically more responsive and better for multitasking.	vs	2GB LPDDR3
+128GB (101GB available)8 times More internal storage for applications and files	vs	16GB (11GB available)
+8.9 millimeters (0.35 inches)11% Thinner	vs	9.9 millimeters (0.39 inches)
+Dynamic AMOLEDAdvantage Dynamic AMOLED display is brighter and more vivid	vs	TFT Super LCD 3
+1440x3200 pixels122% Higher resolution screen	vs	1080x1920 pixels
+516 PPI17% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	441 PPI
+6.8"36% Larger screen	vs	5"
+(quad camera) 108MP + 10MP + 10MP + 12MP10 times Higher resolution main camera	vs	(back) 13MP
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+HDR photo/video on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo/video only main camera
+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) 40MP7 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 5MP
+8K UHD (7680x4320)15 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera	vs	(front) Full HD (1920x1080)
+Android 15Advantage Android 15 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 unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensor (under display)Advantage Sensors help you use the device	vs	Not supported
+UWB (Ultra Wideband)Advantage Sensors help you use the device	vs	Not supported
+5000 mAh92% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	2600 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 [wifi4]
+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster	vs	4.0 + 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	+145 grams (5.08 ounces)57% Lighter
Type-C reversible connector	vs	+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores

22 Common items in both devices

16 million

LED flash

PDAF: phase detection autofocus on both cameras / Autofocus

BSI sensor

Capacitive

Multitouch

Accelerometer

+15 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 128GB)	HTC One E8 (Dual-Sim)
Change model		Choose the model
Model	Galaxy S21 Ultra (SM-G998B 128GB)	One E8 (Dual-Sim)
Other model names	Galaxy S21 Ultra 5G (SM-G998B Single-SIM)	HTC One Ace Dual-Sim, HTC One E8 Ace LTE
Country or region available	Australia	(Global, International), China, Hong Kong, India
Brand	Samsung	HTC
Release date	1/29/2021, Announced: 1/14/2021	6/3/2014
Depth	8.9 millimeters (0.35 inches)	9.9 millimeters (0.39 inches)
Size (width x height)	75.6 x 165.1 millimeters (2.98 x 6.5 in)	70.7 x 146.4 millimeters (2.78 x 5.76 in)
Weight	227 grams (7.95 ounces)	145 grams (5.08 ounces)
Build, materials	Aluminum frame, glass front/back	feature not registered
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 128GB)	HTC One E8 (Dual-Sim)
Display type	Dynamic AMOLED	TFT Super LCD 3
Screen size	6.8" inches	5" inches
Screen-to-body ratio	~89.4% (screen-to-body ratio)	~66.6% (screen-to-body ratio)
Display resolution	1440x3200 pixels (20:9)	1080x1920 pixels
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	516 PPI	441 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass Victus	Gorilla Glass 3
Refresh rate	120Hz	feature not registered
Display features	1500nits[peak] HDR10+ Always-On Display	feature not registered
🤖 Operating System
	Galaxy S21 Ultra (SM-G998B 128GB)	HTC One E8 (Dual-Sim)
System version	Android 11	Android 4.4.2 KitKat
Firmware update	Android 15	Android 6.0.1 Marshmallow
User Interface	One UI 3.1 / 4.1 / 5.1 / 6.0 / 7.0	feature not registered
⚙️ Processor
	Galaxy S21 Ultra (SM-G998B 128GB)	HTC One E8 (Dual-Sim)
Chipset	64bit: Samsung Exynos 2100 (5nm)	32bit: Qualcomm Snapdragon 801 MSM8974-AB (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 2.3GHz Krait 400 (Quad-core)
GPU graphical controller	ARM Mali-G78 MP14 (854MHz)	Qualcomm Adreno 330 578Mhz
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 128GB)	HTC One E8 (Dual-Sim)
RAM memory	12GB LPDDR5	2GB LPDDR3
Internal storage	128GB (101GB available) UFS 3.1	16GB (11GB available)
External storage	Not supported	Until 256GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy S21 Ultra (SM-G998B 128GB)	HTC One E8 (Dual-Sim)
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) nano-SIM (4FF)
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	Global version: UMTS 850/900/1900/2100 India version: UMTS 850/1900/2100 Hong Kong version: TD-SCDMA 1900/2000 UMTS 850/1900/2100
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 Global version: LTE (Bands 1,3,7,8,28) India version: LTE (Bands 1,3) TD-LTE (Bands 41) Hong Kong version: LTE (Bands 3,7) 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, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
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 128GB)	HTC One E8 (Dual-Sim)
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	13 megapixels
Main camera resolution	12000x9000 pixels	4128x3096 pixels
Video recording (primary)	8K UHD (7680x4320) 24 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/2.2 (aperture)
Focal length	26mm (lens)	feature not registered
Sensor size	1/1.33" inches	feature not registered
Pixel size	1.8µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus on both cameras	Autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	EIS: Digital 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 only main camera
Camera extras	4K@60fps 1080p@240fps 720p@960fps	feature not registered
📸 Front camera
	Galaxy S21 Ultra (SM-G998B 128GB)	HTC One E8 (Dual-Sim)
Front camera (secondary)	40 megapixels	5 megapixels
Front camera resolution	7296x5472 pixels	2592x1944 pixels
Video recording (secondary)	4K UHD (3840x2160)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	feature not registered
Focal length	26mm (lens)	feature not registered
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 128GB)	HTC One E8 (Dual-Sim)
Loudspeaker	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG	Supported
Active noise cancellation	3 microphones	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, H.264, H.263, WMV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+
🔌 Connectivity
	Galaxy S21 Ultra (SM-G998B 128GB)	HTC One E8 (Dual-Sim)
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)	Not supported
Bluetooth	5.2 + A2DP/LE	4.0 + A2DP
WiFi	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot
DLNA	Supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy S21 Ultra (SM-G998B 128GB)	HTC One E8 (Dual-Sim)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband)	Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy S21 Ultra (SM-G998B 128GB)	HTC One E8 (Dual-Sim)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	5000 mAh	2600 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	26 hours (1.1 days)
Standby	feature not registered	500 hours (20.8 days)
➕ Other features
	Galaxy S21 Ultra (SM-G998B 128GB)	HTC One E8 (Dual-Sim)
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: Black, White, Red • USB OTG On-The-Go 1.3 • HTC Sense 6.0 UI • HTC BlinkFeed • HTC BoomSound • Google Drive 50GB • HAC M4/T3 • Java framework
☢️ Radiation rate
	Galaxy S21 Ultra (SM-G998B 128GB)	HTC One E8 (Dual-Sim)
SAR 1.6W/kg (USA, Mexico, etc.)	0.24W/kg (head), 0.72W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.714W/kg (head), 1.58W/kg (body)	feature not registered