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Global Score
Basic Information
Android 11--
6.50 x 2.98 x 0.35 inches6.06 x 3.04 x 0.32 inches
8.04 ounces6.14 ounces
Phantom black and Silver16 777 216
Aluminum and Glass (Corning Gorilla Glass Victus)Aluminum
Scratch-Resistant GlassScratch-Resistant Glass
$ 966.00--
Display / Screen
6.8 inches5.5 inches
3200 x 1440 pixels 2560 x 1440 pixels (Quad HD / 2K)
Dynamic AMOLED S-LCD 3
516 pixels per inch534 pixels per inch
1500 cd/m2 brightness--
No touch screenNo touch screen
Qualcomm Snapdragon 888 chipsetQualcomm Snapdragon 810 MSM8994 chipset
Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processorARM Cortex-A57 and ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor
Adreno 660 GPUAdreno 430 GPU
128 GB internal memory32 GB internal memory
No SD card slotmicroSDXC (up to 1,95 TB) external memory slot
108.00 MP + 40.00 MP16.00 MP + 8.00 MP
f/1.80 aperturef/2.00 aperture
24.00mm focal length28.00mm focal length
0.75 inches (1/1.33") sensor--
7680 x 4320 (24 fps) video resolution3840 x 2160 (30 fps) (4K) video resolution
1280 x 720 (960 fps) (HD) slow motion video1920 x 1080 (120 fps) (Full HD) slow motion video
Mobile HotspotMobile Hotspot
5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPALTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA
Nano SIMNano SIM
Battery Life
5000mAh Li - Polymer Battery3200mAh Li - Ion Battery
Non-Removable BatteryNon-Removable Battery
Wireless Charging--
Other Features
Bluetooth 5.1 Bluetooth 4.1
Fingerprint ID ScannerFingerprint ID Scanner
Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity SensorAccelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor
FM Radio--

Comparison review

Samsung Galaxy S21 Ultra has an overall score of 11.67, which is a lot better than the HTC Bolt's 8.97 overall score. Even though Samsung Galaxy S21 Ultra is newer than HTC Bolt, it is heavier and a little bit thicker. The Samsung Galaxy S21 Ultra has a brighter display than HTC Bolt, because although it has a quite inferior pixel count in each display inch, it also counts with a bigger display and a little higher 1440 x 3200 pixels resolution.

The HTC Bolt features a much greater memory for applications and games than Samsung Galaxy S21 Ultra, because although it has less internal memory, it also counts with a SD memory slot that allows a maximum of 1,95 TB. The Galaxy S21 Ultra counts with a little better processing power than HTC Bolt, and although they both have the same number of cores, the Galaxy S21 Ultra also has 9 GB more RAM memory.

The Samsung Galaxy S21 Ultra counts with just a little better battery life than HTC Bolt, because it has a 56% bigger battery size. The Galaxy S21 Ultra shoots way better videos and photos than HTC Bolt, because it has a back facing camera with way more mega-pixels, a way higher video definition and a larger aperture.