Screen size
equal specsGT 306.8"
Zero 406.8"
Quick verdict
GT 30 leads the measured specs 8-7.
Measured wins
GT 30
8
spec wins
Overall winner
Ties
8
equal specs
Zero 40
7
spec wins
Screen size
equal specsTechnology
GT 30
GSM / HSPA / LTE / 5G
Zero 40
GSM / HSPA / LTE / 5G
2G bands
GT 30
GSM 850 / 900 / 1800 / 1900
Zero 40
GSM 850 / 900 / 1800 / 1900
3G bands
GT 30
HSDPA 850 / 900 / 2100
Zero 40
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
GT 30
1, 3, 5, 8, 28, 38, 40, 41
Resolution
Refresh rate
equal specsPeak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
equal specsWeight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Zero 40
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41, 42, 66
5G bands
GT 30
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA/Sub6
Zero 40
1, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Speed
GT 30
HSPA, LTE, 5G
Zero 40
HSPA, LTE, 5G
Announced
GT 30
2025, August 08
Zero 40
2024, August 29
Status
GT 30
Available. Released 2025, August 11
Zero 40
Available. Released 2024, September 08
Dimensions
GT 30
163.7 x 75.8 x 8 mm (6.44 x 2.98 x 0.31 in)
Zero 40
164.3 x 74.8 x 7.9 mm (6.47 x 2.94 x 0.31 in)
Weight
GT 30
187 g (6.60 oz)
Zero 40
195 g (6.88 oz)
Build
GT 30
Glass front (Gorilla Glass 7i), plastic frame, plastic back
Zero 40
-
SIM
GT 30
Nano-SIM + Nano-SIM
Zero 40
Nano-SIM + Nano-SIM
Other
GT 30
IP64 dust tight and water resistant (water splashes) Customizable RGB LEDs on the back Pressure sensitive zones (Gaming triggers)
Zero 40
IP54 dust protected and water resistant (water splashes)
Type
GT 30
AMOLED, 1B colors, 144Hz, 2304Hz PWM, 700 nits (typ), 1600 nits (peak), 4500 nits (peak)
Zero 40
AMOLED, 1B colors, HDR, 144Hz, 1300 nits (HBM)
Size
GT 30
6.78 inches, 111.0 cm2 (~89.4% screen-to-body ratio)
Zero 40
6.78 inches, 109.9 cm2 (~89.4% screen-to-body ratio)
Resolution
GT 30
1224 x 2720 pixels, 20:9 ratio (~440 ppi density)
Zero 40
1080 x 2436 pixels (~393 ppi density)
Protection
GT 30
Corning Gorilla Glass 7i
Zero 40
Corning Gorilla Glass 5
OS
GT 30
Android 15, up to 2 major Android upgrades, XOS 15
Zero 40
Android 14, up to 2 major Android upgrades, XOS 14.5
Chipset
GT 30
Mediatek Dimensity 7400 (4 nm)
Zero 40
Mediatek Dimensity 8200 Ultimate (4 nm)
CPU
GT 30
Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
Zero 40
Octa-core (1x3.1 GHz Cortex-A78 & 3x3.0 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU
GT 30
Mali-G615 MC2
Zero 40
Mali-G610 MC6
Card slot
GT 30
No
Zero 40
No
Internal
GT 30
128GB 8GB RAM, 256GB 8GB RAM
Zero 40
256GB 12GB RAM, 512GB 12GB RAM
Other
GT 30
UFS 2.2
Zero 40
UFS 3.1
Dual
GT 30
64 MP, f/1.8, 23mm (wide), 1/1.73", 0.8μm, PDAF 8 MP, f/2.2, 111˚, (ultrawide), AF
Zero 40
-
Features
GT 30
Dual-LED flash, HDR, panorama
Zero 40
Triple-LED flash, HDR, panorama
Video
GT 30
4K@30fps, 1080p@30/120fps
Zero 40
4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, OIS
Triple
GT 30
-
Zero 40
108 MP, f/1.8, (wide), 1/1.67", PDAF, OIS 50 MP, f/2.0, 120˚, (ultrawide), 1/2.76", PDAF Auxiliary lens
Single
GT 30
13 MP, f/2.2, 25mm (wide)
Zero 40
50 MP, f/2.5, 21mm (wide), 1/2.76", PDAF
Video
GT 30
4K@30fps, 1080p@30fps
Zero 40
4K@30/60fps, 1080p@30/60fps
Features
GT 30
-
Zero 40
Dual-LED flash
Loudspeaker
GT 30
Yes, with stereo speakers
Zero 40
Yes, with dual speakers
3.5mm jack
GT 30
No
Zero 40
No
Other
GT 30
Tuned by JBL 24-bit/192kHz Hi-Res & Hi-Res Wireless audio
Zero 40
24-bit/192kHz Hi-Res & Hi-Res Wireless audio Tuned by JBL
WLAN
GT 30
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Zero 40
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band
Bluetooth
GT 30
5.4, A2DP, LE
Zero 40
Yes
Positioning
GT 30
GPS, GLONASS, GALILEO
Zero 40
GPS
NFC
GT 30
Yes
Zero 40
Yes
Infrared port
GT 30
Yes
Zero 40
Yes
Radio
GT 30
FM radio
Zero 40
FM radio
USB
GT 30
USB Type-C 2.0, OTG
Zero 40
USB Type-C 2.0, OTG
Sensors
GT 30
Fingerprint (under display, optical), accelerometer, proximity, compass, gyro
Zero 40
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
GT 30
5500 mAh
Zero 40
5000 mAh
Charging
GT 30
45W wired 10W reverse wired Bypass Charging
Zero 40
45W wired, 60% in 25 min 20W wireless 10W reverse wired Bypass Charging 2.0
Colors
GT 30
Pulse Green, Cyber Blue, Blade White
Zero 40
Rock Black, Violet Garden, Moving Titanium
Models
GT 30
X6876
Zero 40
X6861
Price
GT 30
₹ 18,990
Zero 40
₹ 27,999