Screen size
Fathom VS7503.2"
Q51Winner: 6.5"+51%
Quick verdict
Q51 leads the measured specs 11-3.
Measured wins
Fathom VS750
3
spec wins
Ties
4
equal specs
Q51
11
spec wins
Overall winner
Screen size
Technology
Fathom VS750
GSM / CDMA / HSPA / EVDO
Q51
GSM / HSPA / LTE
2G bands
Fathom VS750
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
Q51
GSM 850 / 900 / 1800 / 1900
3G bands
Fathom VS750
HSDPA 850 / 900 / 1900 / 2100 , CDMA2000 1xEV-DO
Q51
HSDPA 850 / 900 / 1900 / 2100
Speed
Fathom VS750
HSPA 7.2/0.384 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
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Q51
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/75 Mbps
4G bands
Fathom VS750
-
Q51
1, 3, 7, 8, 20
Announced
Fathom VS750
2010, May. Released 2010, June
Q51
2020, February 25. Released 2020, February 26
Status
Fathom VS750
Discontinued
Q51
Discontinued
Dimensions
Fathom VS750
115 x 56 x 17 mm (4.53 x 2.20 x 0.67 in)
Q51
164.5 x 77.5 x 8.4 mm (6.48 x 3.05 x 0.33 in)
Weight
Fathom VS750
152 g (5.36 oz)
Q51
-
Keyboard
Fathom VS750
QWERTY
Q51
-
SIM
Fathom VS750
Mini-SIM
Q51
Nano-SIM + Nano-SIM
Other
Fathom VS750
-
Q51
MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditions
Type
Fathom VS750
TFT resistive touchscreen, 256K colors
Q51
IPS LCD
Size
Fathom VS750
3.2 inches, 29.1 cm2 (~45.3% screen-to-body ratio)
Q51
6.5 inches, 105.5 cm2 (~82.7% screen-to-body ratio)
Resolution
Fathom VS750
480 x 800 pixels, 5:3 ratio (~292 ppi density)
Q51
720 x 1520 pixels, 19:9 ratio (~259 ppi density)
OS
Fathom VS750
Microsoft Windows Mobile 6.5 Professional
Q51
Android 10
Chipset
Fathom VS750
Qualcomm QSD8250 Snapdragon S1
Q51
Mediatek MT6762 Helio P22 (12 nm)
CPU
Fathom VS750
1.0 GHz Scorpion
Q51
Octa-core 2.0 GHz Cortex-A53
GPU
Fathom VS750
Adreno 200
Q51
PowerVR GE8320
Card slot
Fathom VS750
microSDHC (dedicated slot)
Q51
microSDXC (dedicated slot)
Internal
Fathom VS750
256MB RAM, 512MB ROM
Q51
32GB 3GB RAM
Other
Fathom VS750
-
Q51
eMMC 5.1
Single
Fathom VS750
3.15 MP, AF
Q51
-
Video
Fathom VS750
480p@30fps
Q51
1080p@30fps
Triple
Fathom VS750
-
Q51
13 MP, (wide), PDAF 5 MP, 13mm (ultrawide) Auxiliary lens
Features
Fathom VS750
-
Q51
LED flash, panorama, HDR
Other
Fathom VS750
No
Q51
-
Single
Fathom VS750
-
Q51
13 MP, (wide), 1/3.1", 1.12µm
Video
Fathom VS750
-
Q51
1080p@30fps
Loudspeaker
Fathom VS750
Yes
Q51
Yes, with stereo speakers
3.5mm jack
Fathom VS750
Yes
Q51
Yes
WLAN
Fathom VS750
Wi-Fi 802.11 b/g/n
Q51
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA
Bluetooth
Fathom VS750
2.1, A2DP
Q51
5.0, A2DP, LE
Positioning
Fathom VS750
GPS, A-GPS
Q51
GPS
Radio
Fathom VS750
No
Q51
No
USB
Fathom VS750
microUSB 2.0
Q51
USB Type-C 2.0
NFC
Fathom VS750
-
Q51
Yes
Sensors
Fathom VS750
Q51
Fingerprint (rear-mounted), accelerometer, proximity, compass
Browser
Fathom VS750
WAP 2.0/xHTML, HTML
Q51
-
Other
Fathom VS750
MP3/WAV/eAAC+/WMA player MP4/H.264 player Document viewer/editor Organizer Voice memo/dial/commands Predictive text input
Q51
-
Type
Fathom VS750
Removable Li-Po battery
Q51
Li-Po 4000 mAh
Stand-by
Fathom VS750
Up to 475 h
Q51
-
Talk time
Fathom VS750
Up to 7 h
Q51
-
Colors
Fathom VS750
Black
Q51
Frozen White, Moonlight Titanium
SAR
Fathom VS750
0.77 W/kg (head) 1.15 W/kg (body)
Q51
-
Price
Fathom VS750
About 40 EUR
Q51
About 240 EUR
Models
Fathom VS750
-
Q51
LM-Q510N