Screen size
Black Shark 4S Pro6.7"
Redmi Note 15 SpecialWinner: 6.8"+1.5%
Quick verdict
Black Shark 4S Pro leads the measured specs 11-8.
Measured wins
Black Shark 4S Pro
11
spec wins
Overall winner
Ties
4
equal specs
Redmi Note 15 Special
8
spec wins
Screen size
Technology
Black Shark 4S Pro
GSM / CDMA / HSPA / EVDO / LTE / 5G
Redmi Note 15 Special
GSM / HSPA / LTE / 5G
2G bands
Black Shark 4S Pro
GSM 850 / 900 / 1800 / 1900 , CDMA 800 & TD-SCDMA
Redmi Note 15 Special
GSM 850 / 900 / 1800 / 1900
3G bands
Black Shark 4S Pro
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
Redmi Note 15 Special
HSDPA 850 / 900 / 2100
4G bands
Black Shark 4S Pro
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
SD card
Stereo speakers
equal specs1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41
Redmi Note 15 Special
1, 3, 5, 8, 28, 40, 41
5G bands
Black Shark 4S Pro
1, 3, 8, 28, 41, 77, 78, 79 SA/NSA
Redmi Note 15 Special
1, 3, 5, 8, 28, 40, 78 SA/NSA
Speed
Black Shark 4S Pro
HSPA, LTE, 5G
Redmi Note 15 Special
HSPA, LTE, 5G
Announced
Black Shark 4S Pro
2021, October 13
Redmi Note 15 Special
2026, April 02
Status
Black Shark 4S Pro
Available. Released 2021, October 16
Redmi Note 15 Special
Released Apr 7, 2026
Dimensions
Black Shark 4S Pro
163.7 x 76.2 x 9.9 mm (6.44 x 3.00 x 0.39 in)
Redmi Note 15 Special
164.0 x 75.4 x 7.4 mm or 7.8 mm
Weight
Black Shark 4S Pro
220 g (7.76 oz)
Redmi Note 15 Special
178 g or 182 g (6.28 oz)
SIM
Black Shark 4S Pro
Nano-SIM + Nano-SIM
Redmi Note 15 Special
Nano-SIM + Nano-SIM
Other
Black Shark 4S Pro
Physical pop-up gaming triggers
Redmi Note 15 Special
Drop resistant up to 1.7m MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions IP66 dust tight and water resistant (high pressure water jets)
Type
Black Shark 4S Pro
Super AMOLED, 144Hz, HDR10+, 1300 nits (peak)
Redmi Note 15 Special
AMOLED, 68B colors, 120Hz, 3840Hz PWM, 800 nits (typ), 3200 nits (peak)
Size
Black Shark 4S Pro
6.67 inches, 107.4 cm2 (~86.1% screen-to-body ratio)
Redmi Note 15 Special
6.77 inches, 110.9 cm2 (~89.7% screen-to-body ratio)
Resolution
Black Shark 4S Pro
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Redmi Note 15 Special
1080 x 2392 pixels (~388 ppi density)
OS
Black Shark 4S Pro
Android 11, Joy UI 12.8
Redmi Note 15 Special
Android 15, up to 4 major Android upgrades, HyperOS 2
Chipset
Black Shark 4S Pro
Qualcomm SM8350 Snapdragon 888+ 5G (5 nm)
Redmi Note 15 Special
Qualcomm SM6475-AB Snapdragon 6 Gen 3 (4 nm)
CPU
Black Shark 4S Pro
Octa-core (1x3.0 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
Redmi Note 15 Special
Octa-core (4x2.4 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)
GPU
Black Shark 4S Pro
Adreno 660
Redmi Note 15 Special
Adreno 710
Card slot
Black Shark 4S Pro
No
Redmi Note 15 Special
microSDXC (uses shared SIM slot)
Internal
Black Shark 4S Pro
256GB 8GB RAM, 256GB 12GB RAM, 512GB 16GB RAM
Redmi Note 15 Special
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Other
Black Shark 4S Pro
UFS 3.1
Redmi Note 15 Special
UFS 2.2
Triple
Black Shark 4S Pro
64 MP, f/1.8, (wide), 1/1.97", 0.7µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 5 MP (macro), AF
Redmi Note 15 Special
-
Features
Black Shark 4S Pro
LED flash, HDR, panorama
Redmi Note 15 Special
LED flash, HDR, panorama
Video
Black Shark 4S Pro
4K@30/60fps, 1080p@30/60/240fps, 1080p@960fps; HDR10+
Redmi Note 15 Special
4K@30fps, 1080p@30fps, gyro-EIS
Dual
Black Shark 4S Pro
-
Redmi Note 15 Special
50 MP, f/1.8, (wide), 1/2.88", 0.61µm, PDAF Auxiliary lens
Single
Black Shark 4S Pro
20 MP, f/2.5, (wide), 0.8µm
Redmi Note 15 Special
20 MP, f/2.2, (wide), 1/4"
Features
Black Shark 4S Pro
HDR
Redmi Note 15 Special
-
Video
Black Shark 4S Pro
1080p@30fps
Redmi Note 15 Special
1080p@30fps
Loudspeaker
Black Shark 4S Pro
Yes, with stereo speakers
Redmi Note 15 Special
Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack
Black Shark 4S Pro
Yes
Redmi Note 15 Special
No
Other
Black Shark 4S Pro
24-bit/192kHz Hi-Res audio
Redmi Note 15 Special
24-bit/192kHz Hi-Res audio
WLAN
Black Shark 4S Pro
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Redmi Note 15 Special
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
Black Shark 4S Pro
5.2, A2DP, LE, aptX HD, aptX Adaptive
Redmi Note 15 Special
5.1, A2DP, LE
Positioning
Black Shark 4S Pro
GPS, GLONASS, GALILEO, QZSS, BDS
Redmi Note 15 Special
GPS, GALILEO, GLONASS, QZSS, BDS
NFC
Black Shark 4S Pro
Yes
Redmi Note 15 Special
No
Radio
Black Shark 4S Pro
No
Redmi Note 15 Special
No
USB
Black Shark 4S Pro
USB Type-C 2.0
Redmi Note 15 Special
USB Type-C 2.0, OTG
Infrared port
Black Shark 4S Pro
-
Redmi Note 15 Special
Yes
Sensors
Black Shark 4S Pro
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Redmi Note 15 Special
Fingerprint (under display, optical), accelerometer, gyro, compass
Other
Black Shark 4S Pro
-
Redmi Note 15 Special
Virtual proximity sensing
Type
Black Shark 4S Pro
Li-Po 4500 mAh
Redmi Note 15 Special
Li-Ion 5800 mAh
Charging
Black Shark 4S Pro
120W wired, 50% in 5 min, 100% in 15 min
Redmi Note 15 Special
45W wired 18W reverse wired
Colors
Black Shark 4S Pro
Black, White
Redmi Note 15 Special
Crimson Reserve red, Carbon Black, Frosted White
Price
Black Shark 4S Pro
About 650 EUR
Redmi Note 15 Special
About 190 EUR