Screen size
Ascend D1Winner: 4.5"+69%
Watch Ultimate Design Spring1.4"
Quick verdict
Ascend D1 leads the measured specs 12-7.
Measured wins
Ascend D1
12
spec wins
Overall winner
Ties
1
equal specs
Watch Ultimate Design Spring
7
spec wins
Screen size
Technology
Ascend D1
GSM / HSPA
Watch Ultimate Design Spring
HSPA / LTE
2G bands
Ascend D1
GSM 850 / 900 / 1800 / 1900
Watch Ultimate Design Spring
N/A
3G bands
Ascend D1
HSDPA 850 / 900 / 1700 / 1900 / 2100
Watch Ultimate Design Spring
HSDPA 850 / 900 / 1900 / 2100
Speed
Ascend D1
HSPA 21.1/5.76 Mbps
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
SD card
Stereo speakers
Watch Ultimate Design Spring
HSPA, LTE
4G bands
Ascend D1
-
Watch Ultimate Design Spring
LTE
Announced
Ascend D1
2012, February. Released 2012, July
Watch Ultimate Design Spring
2026, April 20
Status
Ascend D1
Discontinued
Watch Ultimate Design Spring
Available. Released 2026, May 08
Dimensions
Ascend D1
129 x 64 x 8.9 mm (5.08 x 2.52 x 0.35 in)
Watch Ultimate Design Spring
42.9 x 42.9 x 10.8 mm (1.69 x 1.69 x 0.43 in)
Weight
Ascend D1
132 g (4.66 oz)
Watch Ultimate Design Spring
91 g (3.21 oz)
SIM
Ascend D1
Mini-SIM
Watch Ultimate Design Spring
eSIM
Build
Ascend D1
-
Watch Ultimate Design Spring
Sapphire crystal front, titanium alloy front shell, ceramic back
Other
Ascend D1
-
Watch Ultimate Design Spring
99 natural diamonds (0.8 carats) 5 ATM (maximum depth 40 meters when diving) IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) ECG certified
Type
Ascend D1
IPS+ LCD,
Watch Ultimate Design Spring
LTPO2 AMOLED, 3000 nits (peak)
Size
Ascend D1
4.5 inches, 55.8 cm2 (~67.6% screen-to-body ratio)
Watch Ultimate Design Spring
1.38 inches
Resolution
Ascend D1
720 x 1280 pixels, 16:9 ratio (~326 ppi density)
Watch Ultimate Design Spring
466 x 466 pixels (~338 ppi density)
Protection
Ascend D1
-
Watch Ultimate Design Spring
Sapphire crystal glass
OS
Ascend D1
Android 4.0 (Ice Cream Sandwich), upgradable to 4.2 (Jelly Bean)
Watch Ultimate Design Spring
HarmonyOS 6.1
Chipset
Ascend D1
TI OMAP 4460
Watch Ultimate Design Spring
Kirin W80
CPU
Ascend D1
Dual-core 1.5 GHz
Watch Ultimate Design Spring
-
GPU
Ascend D1
PowerVR SGX540
Watch Ultimate Design Spring
-
Card slot
Ascend D1
microSDHC (dedicated slot)
Watch Ultimate Design Spring
No
Internal
Ascend D1
8GB (5.8GB user available), 1GB RAM
Watch Ultimate Design Spring
-
Single
Ascend D1
8 MP, AF
Watch Ultimate Design Spring
-
Features
Ascend D1
Dual-LED flash
Watch Ultimate Design Spring
-
Video
Ascend D1
1080p@30fps
Watch Ultimate Design Spring
-
Single
Ascend D1
1.3 MP
Watch Ultimate Design Spring
-
Video
Ascend D1
720p
Watch Ultimate Design Spring
-
Loudspeaker
Ascend D1
Yes
Watch Ultimate Design Spring
Yes
3.5mm jack
Ascend D1
Yes
Watch Ultimate Design Spring
No
WLAN
Ascend D1
Wi-Fi 802.11 b/g/n, DLNA
Watch Ultimate Design Spring
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Bluetooth
Ascend D1
3.0, A2DP
Watch Ultimate Design Spring
5.2, A2DP, LE
Positioning
Ascend D1
GPS, A-GPS, GLONASS
Watch Ultimate Design Spring
GPS (L1+L5), GLONASS, GALILEO (L1+L5), QZSS (L1+L5), BDS
Radio
Ascend D1
FM radio
Watch Ultimate Design Spring
No
USB
Ascend D1
microUSB 2.0 (MHL TV-out), OTG
Watch Ultimate Design Spring
No
NFC
Ascend D1
-
Watch Ultimate Design Spring
Yes
Sensors
Ascend D1
Accelerometer, gyro, proximity, compass
Watch Ultimate Design Spring
Accelerometer, gyro, heart rate, barometer, compass, SpO2, thermometer (body temperature), X-TAP
Other
Ascend D1
MP3/WAV/eAAC+ player MP4/H.264 player Organizer Document editor Photo viewer/editor Voice memo/dial/commands Predictive text input
Watch Ultimate Design Spring
Sleep apnea detection Heart Rate Variability (HRV) Arterial Stiffness Detection
Type
Ascend D1
Removable Li-Ion 1800 mAh battery
Watch Ultimate Design Spring
Li-Ion 540 mAh
Stand-by
Ascend D1
Up to 400 h
Watch Ultimate Design Spring
-
Talk time
Ascend D1
Up to 10 h 30 min
Watch Ultimate Design Spring
-
Charging
Ascend D1
-
Watch Ultimate Design Spring
Wireless
Colors
Ascend D1
Black
Watch Ultimate Design Spring
Diamond Silver
Price
Ascend D1
About 210 EUR
Watch Ultimate Design Spring
About 4000 EUR
Models
Ascend D1
-
Watch Ultimate Design Spring
CHC-AL00
Other
Ascend D1
-
Watch Ultimate Design Spring
No