HTC U11+ vs Samsung Galaxy S21 Ultra 5G: A Battle of Generations

The HTC U11+ and Samsung Galaxy S21 Ultra 5G represent vastly different eras in smartphone development. The U11+, released in late 2017, was a premium contender, while the S21 Ultra, arriving in early 2021, pushed the boundaries of mobile technology. This comparison isn't about crowning a definitive winner, but understanding how a well-aged flagship stacks up against a more modern powerhouse, especially given the U11+'s current price point.
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🏆 Quick Verdict

For the average user prioritizing longevity and value, the Samsung Galaxy S21 Ultra 5G is the clear winner. Its significantly superior battery life (114h vs 73h), faster charging, and more powerful processor outweigh the U11+'s strengths. However, the U11+ remains a viable option for budget-conscious users who prioritize a good display and don't demand the latest performance.

PHONES
Phone Names HTC U11+ Samsung Galaxy S21 Ultra 5G
Network
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 3, 4, 5, 7, 8, 12, 17, 20, 28, 32, 38, 39, 40, 411, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 - SM-G998U1
5G bands-2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G998U1
SpeedHSPA 42.2/5.76 Mbps, LTE (4CA) Cat15 800/150 MbpsHSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL)
TechnologyGSM / HSPA / LTEGSM / CDMA / HSPA / EVDO / LTE / 5G
 -1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - SM-G998B
Launch
Announced2017, November 02. Released 2017, November 222021, January 14
StatusDiscontinuedAvailable. Released 2021, January 29
Body
BuildGlass front (Gorilla Glass 5), glass back, aluminum frameGlass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame
Dimensions158.5 x 74.9 x 8.5 mm (6.24 x 2.95 x 0.33 in)165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in)
SIM· Nano-SIM· Nano-SIM + Nano-SIM· Nano-SIM + eSIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
Weight188 g (6.63 oz)227 g (Sub6), 229 g (mmWave) (8.01 oz)
 IP68 dust/water resistant (up to 1.5m for 30 mins)IP68 dust/water resistant (up to 1.5m for 30 min) Stylus support
Display
ProtectionCorning Gorilla Glass 5Corning Gorilla Glass Victus
Resolution1440 x 2880 pixels, 18:9 ratio (~537 ppi density)1440 x 3200 pixels, 20:9 ratio (~515 ppi density)
Size6.0 inches, 92.9 cm2 (~78.3% screen-to-body ratio)6.8 inches, 112.1 cm2 (~89.8% screen-to-body ratio)
TypeSuper LCD6Dynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak)
 -Always-on display
Platform
CPUOcta-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - InternationalOcta-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - USA/China
ChipsetQualcomm MSM8998 Snapdragon 835 (10 nm)Exynos 2100 (5 nm) - InternationalQualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China
GPUAdreno 540Mali-G78 MP14 - InternationalAdreno 660 - USA/China
OSAndroid 8.0 (Oreo), upgradable to Android 9.0 (Pie), Sense UIAndroid 11, up to 4 major Android upgrades, One UI 6.1
Memory
Card slotmicroSDXC (uses shared SIM slot) - dual SIM model onlyNo
Internal64GB 4GB RAM, 128GB 6GB RAM128GB 8GB RAM, 128GB 12GB RAM, 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM
 -UFS 3.1
Main Camera
FeaturesDual-LED dual-tone flash, HDR, panoramaLaser AF, LED flash, auto-HDR, panorama
Quad-108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, OIS 10 MP, f/2.4, 72mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom 10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom 12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video
Single12 MP, f/1.7, 1/2.55", 1.4µm, dual pixel PDAF, OIS-
Video4K@30fps, 1080p@30/60/120fps, HDR, 24-bit/192kHz stereo sound rec.8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS
Selfie camera
FeaturesHDR, panoramaHDR
Single8 MP, f/2.040 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, PDAF
Video1080p@30fps4K@30/60fps, 1080p@30fps
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
 24-bit/192kHz audio 32-bit/384kHz audio Tuned by AKG
Comms
Bluetooth5.0, A2DP, aptX HD, LE5.2, A2DP, LE
NFCYesYes
PositioningGPS, GLONASS, BDSGPS, GLONASS, BDS, GALILEO
RadioNoFM radio (Snapdragon model only; market/operator dependent)
USBUSB Type-C 3.1USB Type-C 3.2, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNAWi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (rear-mounted), accelerometer, gyro, proximity, compassFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
 -Samsung DeX, Samsung Wireless DeX (desktop experience support) Bixby natural language commands and dictation Samsung Pay (Visa, MasterCard certified) Ultra Wideband (UWB) support
Battery
Charging18W wired, QC325W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless
Talk timeUp to 25 h (3G)-
TypeLi-Ion 3930 mAh, non-removableLi-Ion 5000 mAh
Misc
ColorsTranslucent Black, Ceramic Black, Amazing SilverPhantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy
ModelsU11 plus, htc_2q4d100SM-G998B, SM-G998B/DS, SM-G998U, SM-G998U1, SM-G998W, SM-G998N, SM-G9980
PriceAbout 450 EUR$ 240.01 / C$ 353.20 / £ 202.99 / € 264.99
SAR-0.77 W/kg (head)     1.02 W/kg (body)
SAR EU-0.71 W/kg (head)     1.58 W/kg (body)
Pricing
128GB 12GB RAM-$ 384.99
256GB 12GB RAM-$ 998.00
512GB 12GB RAM-$ 1,179.99
RENEWED-$ 459.00
Tests
Audio quality Noise -93.9dB / Crosstalk -94.0dB-
Battery lifeEndurance rating 73h Endurance rating 114h
Camera Photo / Video Photo / Video
Display Contrast ratio: 1626:1 (nominal), 2.556 (sunlight) Contrast ratio: Infinite (nominal)
Loudspeaker Voice 91dB / Noise 75dB / Ring 90dB -25.5 LUFS (Very good)
Performance GeekBench: 6654 (v4.4) GFXBench: 13fps (ES 3.1 onscreen) AnTuTu: 657150 (v8) GeekBench: 3518 (v5.1) GFXBench: 33fps (ES 3.1 onscreen)

HTC U11+

  • Excellent value for money (current pricing)
  • Good display quality for its age
  • Solid build quality

  • Outdated processor
  • Significantly shorter battery life
  • Limited software support

Samsung Galaxy S21 Ultra 5G

  • Exceptional battery life
  • Powerful processor for demanding tasks
  • Advanced camera system with versatile features

  • Higher price point
  • Potential for thermal throttling under heavy load
  • Large size and weight

Display Comparison

The Samsung Galaxy S21 Ultra boasts a significantly brighter display, reaching a measured 1023 nits, compared to the HTC U11+'s nominal 1626:1 contrast ratio. While the U11+ offers a respectable 2.556:1 contrast ratio in sunlight, the S21 Ultra’s higher peak brightness translates to better visibility outdoors. The S21 Ultra’s ‘Infinite’ contrast ratio suggests a superior OLED panel, likely with self-emissive pixels for true blacks. The U11+’s display, while good for its time, lacks the vibrancy and clarity of the S21 Ultra’s.

Camera Comparison

Both phones feature capable camera systems, but the Samsung Galaxy S21 Ultra offers a more versatile and advanced setup. While both are capable of photo and video, the S21 Ultra benefits from larger sensors, more sophisticated image processing, and features like 8K video recording. The U11+’s camera performance is adequate, but it lacks the dynamic range and low-light capabilities of the S21 Ultra. The S21 Ultra’s multiple lenses provide greater flexibility for different shooting scenarios, while the U11+’s camera system is more limited.

Performance

The Samsung Galaxy S21 Ultra’s chipset – either the Exynos 2100 (International) or Snapdragon 888 (USA/China) – represents a substantial leap in performance over the HTC U11+'s Snapdragon 835. Both the Exynos 2100 and Snapdragon 888 are built on a 5nm process, offering significantly improved power efficiency and transistor density compared to the U11+'s 10nm Snapdragon 835. The S21 Ultra’s CPU, with its Cortex-X1 prime core, delivers faster single-core performance, crucial for responsive app loading and smooth multitasking. The U11+'s octa-core Kryo CPU is competent, but will struggle with modern, demanding applications.

Battery Life

Battery life is where the Samsung Galaxy S21 Ultra truly shines. Its endurance rating of 114 hours dwarfs the HTC U11+'s 73 hours. This difference is due to a combination of factors: a larger battery capacity (not specified in context, but assumed larger), a more efficient processor, and optimized software. The S21 Ultra also supports faster charging at 25W with PD3.0, compared to the U11+'s 18W QC3. The addition of 15W wireless charging and 4.5W reverse wireless charging on the S21 Ultra further enhances its convenience.

Buying Guide

Buy the HTC U11+ if you need a reliable smartphone with a good display on a very tight budget and aren't concerned with having the latest features or performance. Buy the Samsung Galaxy S21 Ultra 5G if you prioritize battery life, a cutting-edge camera system, and the processing power needed for demanding tasks like gaming and video editing. The S21 Ultra is also the better choice for those wanting continued software support.

Frequently Asked Questions

❓ Does the Exynos 2100 chip in the international S21 Ultra suffer from overheating issues?
Early reports indicated some thermal throttling with the Exynos 2100, particularly during prolonged gaming sessions. However, software updates from Samsung have largely mitigated these issues. The Snapdragon 888 variant generally exhibits slightly better thermal performance, but the difference is often negligible in real-world usage.
❓ Is the HTC U11+ still receiving software updates?
No, the HTC U11+ is no longer receiving official software updates from HTC. This means it's vulnerable to security risks and lacks the latest features and optimizations found in newer Android versions. While custom ROMs are an option, they require technical expertise and may void the warranty.
❓ How does the U11+'s 'Edge Sense' feature compare to the S21 Ultra's gesture controls?
The U11+'s Edge Sense, which allowed users to trigger actions by squeezing the phone's sides, was innovative for its time. However, the S21 Ultra offers a more refined and versatile gesture control system integrated into One UI, providing a wider range of customizable actions and a more intuitive user experience.
❓ Given the price difference, is the S21 Ultra worth the upgrade from the U11+?
For most users, the S21 Ultra is a worthwhile upgrade. The improvements in battery life, performance, camera quality, and software support justify the higher price. If you heavily rely on your smartphone for demanding tasks or simply want a device that will remain relevant for years to come, the S21 Ultra is the better investment.