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Global Score
11.679.3
Basic Information
SamsungHTC
Android 11Android 5.0
2021-01-292015-03-01
6.50 x 2.98 x 0.35 inches5.69 x 2.74 x 0.38 inches
8.04 ounces5.54 ounces
Phantom black and SilverBlack, Gold, Gray and Pink
Aluminum and Glass (Corning Gorilla Glass Victus)Aluminium
Scratch-Resistant GlassScratch-Resistant Glass
$ 966.00$ 178.00
Display / Screen
6.8 inches5 inches
3200 x 1440 pixels 1080 x 1920 pixels (Full HD)
Dynamic AMOLED S-LCD 3
516 pixels per inch441 pixels per inch
1500 cd/m2 brightness--
No touch screenCapacitive, Multi-touch
9.89.3
Performance
Qualcomm Snapdragon 888 chipsetQualcomm Snapdragon 810 MSM8994 chipset
Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor64-bit ARM Cortex-A57 (Quad-Core 2000 MHz + Quad-Core 1500 MHz) processor
12 GB RAM3 GB (800 MHz) RAM
Adreno 660 GPUAdreno 430 (600 MHz) GPU
9.7210.08
Storage
128 GB internal memory32 GB internal memory
No SD card slotmicroSD, microSDHC, microSDXC (up to 128 GB) external memory slot
10.18.12
Camera
108.00 MP + 40.00 MP20.00 MP + 4.00 MP
f/1.80 aperturef/2.20 aperture
24.00mm focal length27.80mm focal length
0.75 inches (1/1.33") sensor0.42 inches (1/2.4") sensor
7680 x 4320 (24 fps) video resolution3840 x 2160 (30 fps) (4K) video resolution
1280 x 720 (960 fps) (HD) slow motion video--
13.7510.12
Networks
Wi-FiWi-Fi
Mobile HotspotMobile Hotspot
5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPALTE-A (4G), LTE (4G), HSPA, HSUPA, EDGE, GPRS and GSM
Nano SIMNano SIM
10.76.7
Battery Life
5000mAh Li - Polymer Battery2840mAh Li-Polymer Battery
Non-Removable BatteryNon-Removable Battery
Wireless Charging--
--391 hours standby time
25.4 hours talk time
4.963.84
Other Features
Bluetooth 5.1 Bluetooth 4.1
GPSGPS
NFCNFC
--Infra-red port
Fingerprint ID Scanner--
Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity SensorAccelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor
FM RadioFM Radio

Comparison review

The Samsung Galaxy S21 Ultra is a lot better than HTC One M9, getting a 11.67 score against 9.3. The Samsung Galaxy S21 Ultra design is notably newer and just a bit thinner than HTC One M9's, but it is also notably heavier. These devices work with Android OS, but the Samsung Galaxy S21 Ultra has a newer 11 version while HTC One M9 has Android 5.0 version, so it provides you lots of additional features and optimized performance.

The HTC One M9 has just a little better hardware performance than Galaxy S21 Ultra, because although it has 9 GB less RAM, and they both have the same number of cores, the HTC One M9 also counts with a 64 bits processor and a graphics processing unit. The Samsung Galaxy S21 Ultra features a bit sharper screen than HTC One M9, because it has a bit more pixels per screen inch, a lot higher resolution of 1440 x 3200 and a much bigger screen.

Galaxy S21 Ultra has a lot bigger memory capacity to store more games and applications than HTC One M9, because although it has no SD memory slot, it also counts with 128 GB internal memory. Galaxy S21 Ultra has a much better battery duration than HTC One M9, because it has 5000mAh of battery capacity instead of 2840mAh.

Samsung Galaxy S21 Ultra counts with a way better camera than HTC One M9, because it has a way higher 7680x4320 video quality, a camera in the back with a much better 108 mega-pixels resolution, a bigger aperture to capture better captures in low light situations and a way larger sensor providing a much better image quality.

Although Samsung Galaxy S21 Ultra is a better device, it is a lot more expensive than the HTC One M9, and it doesn't have such a good quality/price relation as the HTC One M9. If you are trying to save some dollars, you can get the HTC One M9, giving up a few features and specifications, but you'll get the most with your budget.