Screen size
Hardcase H621S6.2"
Ultimate U6GWinner: 6.8"+8.1%
Quick verdict
Ultimate U6G leads the measured specs 10-3.
Measured wins
Hardcase H621S
3
spec wins
Ties
6
equal specs
Ultimate U6G
10
spec wins
Overall winner
Screen size
Technology
Hardcase H621S
GSM / HSPA / LTE
Ultimate U6G
GSM / HSPA / LTE / 5G
2G bands
Hardcase H621S
GSM 850 / 900 / 1800 / 1900
Ultimate U6G
GSM 850 / 900 / 1800 / 1900
3G bands
Hardcase H621S
HSDPA 850 / 900 / 1900 / 2100
Ultimate U6G
HSDPA 850 / 900 / 2100
4G bands
Hardcase H621S
1, 2, 3, 5, 7, 8, 20, 28, 34, 38, 39, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
Front camera
equal specsBattery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
NFC
equal specs3.5mm jack
SD card
Stereo speakers
Ultimate U6G
1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 39, 40, 41, 66
Speed
Hardcase H621S
HSPA, LTE
Ultimate U6G
HSPA, LTE, 5G
5G bands
Hardcase H621S
-
Ultimate U6G
1, 3, 7, 28, 38, 41, 77, 78, 79 SA/NSA
Announced
Hardcase H621S
2021, June. Released 2021, June
Ultimate U6G
2024, December
Status
Hardcase H621S
Discontinued
Ultimate U6G
Available. Released 2025, March
Dimensions
Hardcase H621S
163 x 78.2 x 12 mm (6.42 x 3.08 x 0.47 in)
Ultimate U6G
167.2 x 77.2 x 9 mm (6.58 x 3.04 x 0.35 in)
Weight
Hardcase H621S
241 g (8.50 oz)
Ultimate U6G
186 g (6.56 oz)
SIM
Hardcase H621S
Nano-SIM + Nano-SIM
Ultimate U6G
Nano-SIM + Nano-SIM
Other
Hardcase H621S
IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.2m for 30 min) Drop resistant up to 1.2m
Ultimate U6G
-
Type
Hardcase H621S
IPS LCD
Ultimate U6G
IPS LCD
Size
Hardcase H621S
6.2 inches, 95.9 cm2 (~75.3% screen-to-body ratio)
Ultimate U6G
6.75 inches, 109.1 cm2 (~84.5% screen-to-body ratio)
Resolution
Hardcase H621S
720 x 1520 pixels, 19:9 ratio (~271 ppi density)
Ultimate U6G
720 x 1620 pixels (~263 ppi density)
OS
Hardcase H621S
Android 11
Ultimate U6G
Android 14
Chipset
Hardcase H621S
Mediatek MT6762 Helio P22 (12 nm)
Ultimate U6G
Mediatek Dimensity 6100+ (6 nm)
CPU
Hardcase H621S
Octa-core 2.0 GHz Cortex-A53
Ultimate U6G
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Hardcase H621S
PowerVR GE8320
Ultimate U6G
Mali-G57 MC2
Card slot
Hardcase H621S
microSDHC (uses shared SIM slot)
Ultimate U6G
No
Internal
Hardcase H621S
64GB 4GB RAM
Ultimate U6G
64GB 4GB RAM, 256GB 6GB RAM
Other
Hardcase H621S
eMMC 5.1
Ultimate U6G
-
Single
Hardcase H621S
48 MP, PDAF
Ultimate U6G
-
Features
Hardcase H621S
Dual-LED flash
Ultimate U6G
LED flash
Video
Hardcase H621S
1080p@30fps
Ultimate U6G
1080p@30fps
Triple
Hardcase H621S
-
Ultimate U6G
50 MP, (wide), AF 2 MP VGA
Single
Hardcase H621S
8 MP
Ultimate U6G
8 MP, (wide)
Video
Hardcase H621S
1080p@30fps
Ultimate U6G
1080p@30fps
Loudspeaker
Hardcase H621S
Yes
Ultimate U6G
Yes
3.5mm jack
Hardcase H621S
No
Ultimate U6G
Yes
WLAN
Hardcase H621S
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Ultimate U6G
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Hardcase H621S
5.0, A2DP, LE
Ultimate U6G
5.2, A2DP, LE
Positioning
Hardcase H621S
GPS
Ultimate U6G
GPS
NFC
Hardcase H621S
Yes
Ultimate U6G
Yes
Radio
Hardcase H621S
FM radio
Ultimate U6G
FM radio
USB
Hardcase H621S
USB Type-C 2.0
Ultimate U6G
USB Type-C 2.0
Sensors
Hardcase H621S
Fingerprint (rear-mounted), accelerometer, proximity
Ultimate U6G
Fingerprint (side-mounted), accelerometer, proximity
Type
Hardcase H621S
Li-Po 5000 mAh
Ultimate U6G
5000 mAh
Charging
Hardcase H621S
15W wired
Ultimate U6G
33W wired
Colors
Hardcase H621S
Black
Ultimate U6G
Black
Price
Hardcase H621S
About 200 EUR
Ultimate U6G
About 140 EUR