Side by side comparison and review of HTC U11 and Samsung Galaxy A51. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | HTC U11 | Samsung Galaxy A51 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-A515F/DSN | |
| Form Factor | Touch | Touch | |
| Height | 153.9 mm | 158.5 mm | Samsung Galaxy A51 has greater height than HTC U11. |
| Width | 75.9 mm | 73.6 mm | HTC U11 has greater width than Samsung Galaxy A51. |
| Depth | 7.9 mm | 7.9 mm | Both phones are the same depth. |
| Weight | 169 g | 172 g | HTC U11 is lighter than HTC U11. |
| Body Colour | Ice white | Sapphire blue | Brilliant black | Amazing silver | Silver | Prism crush black | Haze crush silver | Prism crush blue | Prism crush white | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | IP67 | - | |
| SAR Value | 0.6 W/kg (body), 0.45 W/kg (head) | 0.369 W/kg (head), 1.59 W/kg (body), 2.93 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | HTC U11 | Samsung Galaxy A51 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | Super LCD 5 | Super AMOLED | |
| Screen Size (Display Size) | 5.5" | 6.5" | Samsung Galaxy A51 has larger screen size than HTC U11. |
| Screen Resolution (Display Resolution) | 2560 x 1440 pixels | 2400 x 1080 pixels | HTC U11 has better screen resolution than Samsung Galaxy A51. |
| Display Format | QHD | Full HD+ | |
| Pixel Density | - | 408 ppi | |
| Colour Depth | - | 16.7 million colours | |
| Display Features | 3D curved glass, Display colour personalisation, HTC Edge Sense | Edge-to-Edge screen, Infinity O display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | - |
| PROCESSOR | HTC U11 | Samsung Galaxy A51 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 835 | Samsung Exynos 9611 | |
|---|---|---|---|
| Clock Speed | 2.45 GHz | 2.3 GHz | HTC U11 has higher clock speed than Samsung Galaxy A51. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| MEMORY | HTC U11 | Samsung Galaxy A51 |
|---|
| RAM | 4 GB | 4 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | Samsung Galaxy A51 has more internal memory than HTC U11. |
| User Memory | - | 107 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 2 TB | microSDHC, microSDXC - up to 512 GB |
| CAMERA | HTC U11 | Samsung Galaxy A51 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 48 Megapixel | Samsung Galaxy A51 has better camera resolution than HTC U11. |
| Sensor Type | BSI | - | |
| Lens Aperture | F/1.7 | F/2.0 | HTC U11 has better lens aperture than HTC U11. |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | HTC U11 has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Digital Zoom | - | 8x | |
| Self-Timer Delay | 10 sec | - | |
| Special Effects | HDR Boost | - | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama, Pro mode, HYPERLAPSE, RAW mode | Slow motion mode, Live Focus mode | |
| Face Recognition (Face ID) | Face detection | - | HTC U11 has face detection. |
| Light Source | Dual LED flash | LED flash | |
| Video Resolutions | 3840 x 2160 (4K), Slo-mo video 1920 x 1080 (1080p) at 120 fps | Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | Sapphire crystal lens cover, HTC Zoe, Phase Detect Auto-Focus (PDAF), Video Pic, HTC UltraPixel Camera 2, 32s manual exposure, RAW image capture, UltraSpeed Autofocus | AR sticker, background blur, Scene Optimiser, Eye blink, Flaw detection, Stamp, Facial blur |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 12 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 123 degree(s) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Camera Functions (3rd Camera) | - | Macro camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Type (4th Camera) | - | Telephoto lens | |
| Lens Aperture (4th Camera) | - | F/2.2 | |
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 32 Megapixel | Samsung Galaxy A51 has better front camera resolution than HTC U11. |
| Sensor Type (Front) | BSI | - | |
| Lens Aperture (Front) | F/2.0 | F/2.2 | HTC U11 has better front lens aperture than HTC U11. |
| Focus Adjustment | Automatic | Focus free | |
| Special Effects (Front) | Live make-up | - | |
| HDR Mode (Front) | Auto HDR mode | - | |
| Camera Modes (Front) | Tap to focus, selfie panorama, Auto selfie (smile selfie, still selfie) | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
| Camera Features (Front) | HTC UltraPixel Camera, Voice selfie, Self timer up to 10 seconds | - |
| BATTERY AND CHARGING | HTC U11 | Samsung Galaxy A51 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 4000 mAh | Samsung Galaxy A51 has larger battery capacity than HTC U11. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 3.0 | - | HTC U11 has fast charging technology. |
| Standby Time | 336 hours | - | |
| Talk Time | 1470 minutes | 1920 minutes | Samsung Galaxy A51 has longer battery life when making calls than HTC U11. |
| Run Time Details | Talk (3G/4G): up to 1470 min Standby (3G/4G): up to 336 hrs |
Active online usage (LTE): up to 15 hrs Active online usage (Wi-Fi): up to 16 hrs Playback (video): up to 20 hrs Playback (audio): up to 87 hrs Talk (4G): up to 1920 min |
|
| Battery Technology | - | Lithium Ion |
| CELLULAR | HTC U11 | Samsung Galaxy A51 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 7.1 Nougat | Android 10 | |
| User Interface | HTC Sense | One UI | |
| Intelligent Assistant | HTC Sense Companion | Bixby | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | HTC U11 | Samsung Galaxy A51 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 20, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 20, Band 26, Band 28, Band 38, Band 40, Band 41, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 DD, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac, ANT+ | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 LE | |
| Bluetooth Profiles | HFP, HSP, A2DP, AVRCP, HID, HOGP | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | HTC U11 | Samsung Galaxy A51 |
|---|
| Supported Digital Audio Standards | WAV, AAC, MP3, FLAC, OGG, M4A, MID | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, MPEG-4, 3GP, TS, WebM | MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | |
| Sound Enhancements | HTC BoomSound Hi-Fi Edition | - |
| FEATURES | HTC U11 | Samsung Galaxy A51 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Ambient light sensor, proximity sensor, digital compass, magnetometer, gyro sensor, G-sensor, motion-detecting accelerometer, edge sensor | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader (under display) | |
| Additional Phone Features | AirPlay wireless streaming, sharing media via DLNA, Wi-Fi Miracast, Noise Cancellation Technology, Flip to Mute function, Power Saving Mode, Wi-Fi Calling, Pocket mode, Hi-Res Audio, Motion Launch, Android Sensor Hub, HTC Connect, Extreme power saving mode, Hi-Res audio stereo recording, HTC Usonic, 4 mics 3D Audio recording, Quiet ring on pick up | Fast Charging, Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines |
| OTHERS | HTC U11 | Samsung Galaxy A51 |
|---|
| Included Accessories | Cleaning cloth, SIM card removal tool, HTC USonic Earphones, HTC Rapid Charger 3.0, HTC U11 Clear Case, USB-C to 3.5 jack adapter, USB-C cable | Power adapter | |
|---|---|---|---|
| Compliant Standards | IP67 | - | |
| Max Depth of Water Resistance | 1 m | - |
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