Screen size
Black Shark 46.7"
Redmi Note 15 SpecialWinner: 6.8"+1.5%
Quick verdict
Redmi Note 15 Special leads the measured specs 9-8.
Measured wins
Black Shark 4
8
spec wins
Ties
6
equal specs
Redmi Note 15 Special
9
spec wins
Overall winner
Screen size
Technology
Black Shark 4
GSM / CDMA / HSPA / EVDO / LTE / 5G
Redmi Note 15 Special
GSM / HSPA / LTE / 5G
2G bands
Black Shark 4
GSM 850 / 900 / 1800 / 1900 , CDMA 800 & TD-SCDMA
Redmi Note 15 Special
GSM 850 / 900 / 1800 / 1900
3G bands
Black Shark 4
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 , CDMA2000 1xEV-DO
Redmi Note 15 Special
HSDPA 850 / 900 / 2100
4G bands
Black Shark 4
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain 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 - International, China
Redmi Note 15 Special
1, 3, 5, 8, 28, 40, 41
5G bands
Black Shark 4
1, 3, 8, 28, 41, 77, 78, 79 SA/NSA - China
Redmi Note 15 Special
1, 3, 5, 8, 28, 40, 78 SA/NSA
Speed
Black Shark 4
HSPA, LTE, 5G
Redmi Note 15 Special
HSPA, LTE, 5G
Announced
Black Shark 4
2021, March 23
Redmi Note 15 Special
2026, April 02
Status
Black Shark 4
Available. Released 2021, March 30
Redmi Note 15 Special
Released Apr 7, 2026
Dimensions
Black Shark 4
163.8 x 76.4 x 9.9 mm (6.45 x 3.01 x 0.39 in)
Redmi Note 15 Special
164.0 x 75.4 x 7.4 mm or 7.8 mm
Weight
Black Shark 4
210 g (7.41 oz)
Redmi Note 15 Special
178 g or 182 g (6.28 oz)
SIM
Black Shark 4
Nano-SIM + Nano-SIM
Redmi Note 15 Special
Nano-SIM + Nano-SIM
Other
Black Shark 4
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 4
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 4
6.67 inches, 107.4 cm2 (~85.8% screen-to-body ratio)
Redmi Note 15 Special
6.77 inches, 110.9 cm2 (~89.7% screen-to-body ratio)
Resolution
Black Shark 4
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Redmi Note 15 Special
1080 x 2392 pixels (~388 ppi density)
OS
Black Shark 4
Android 11, Joy UI 12.5
Redmi Note 15 Special
Android 15, up to 4 major Android upgrades, HyperOS 2
Chipset
Black Shark 4
Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
Redmi Note 15 Special
Qualcomm SM6475-AB Snapdragon 6 Gen 3 (4 nm)
CPU
Black Shark 4
Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
Redmi Note 15 Special
Octa-core (4x2.4 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)
GPU
Black Shark 4
Adreno 650
Redmi Note 15 Special
Adreno 710
Card slot
Black Shark 4
No
Redmi Note 15 Special
microSDXC (uses shared SIM slot)
Internal
Black Shark 4
128GB 6GB RAM, 128GB 8GB RAM, 128GB 12GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Redmi Note 15 Special
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Other
Black Shark 4
UFS 3.1
Redmi Note 15 Special
UFS 2.2
Triple
Black Shark 4
48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 5 MP (macro), AF
Redmi Note 15 Special
-
Features
Black Shark 4
LED flash, HDR, panorama
Redmi Note 15 Special
LED flash, HDR, panorama
Video
Black Shark 4
4K@30/60fps, 1080p@30/60/240fps, 1080p@960fps
Redmi Note 15 Special
4K@30fps, 1080p@30fps, gyro-EIS
Dual
Black Shark 4
-
Redmi Note 15 Special
50 MP, f/1.8, (wide), 1/2.88", 0.61µm, PDAF Auxiliary lens
Single
Black Shark 4
20 MP, f/2.0, (wide), 0.8µm
Redmi Note 15 Special
20 MP, f/2.2, (wide), 1/4"
Features
Black Shark 4
HDR
Redmi Note 15 Special
-
Video
Black Shark 4
1080p@30fps
Redmi Note 15 Special
1080p@30fps
Loudspeaker
Black Shark 4
Yes, with stereo speakers
Redmi Note 15 Special
Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack
Black Shark 4
Yes
Redmi Note 15 Special
No
Other
Black Shark 4
24-bit/192kHz Hi-Res audio
Redmi Note 15 Special
24-bit/192kHz Hi-Res audio
WLAN
Black Shark 4
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 4
5.2, A2DP, LE, aptX HD, aptX Adaptive
Redmi Note 15 Special
5.1, A2DP, LE
Positioning
Black Shark 4
GPS, GLONASS, GALILEO, QZSS, BDS
Redmi Note 15 Special
GPS, GALILEO, GLONASS, QZSS, BDS
NFC
Black Shark 4
Yes
Redmi Note 15 Special
No
Radio
Black Shark 4
No
Redmi Note 15 Special
No
USB
Black Shark 4
USB Type-C 2.0
Redmi Note 15 Special
USB Type-C 2.0, OTG
Infrared port
Black Shark 4
-
Redmi Note 15 Special
Yes
Sensors
Black Shark 4
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
Redmi Note 15 Special
Fingerprint (under display, optical), accelerometer, gyro, compass
Other
Black Shark 4
-
Redmi Note 15 Special
Virtual proximity sensing
Type
Black Shark 4
Li-Po 4500 mAh
Redmi Note 15 Special
Li-Ion 5800 mAh
Charging
Black Shark 4
120W wired, 100% in 17 min
Redmi Note 15 Special
45W wired 18W reverse wired
Colors
Black Shark 4
Mirror Black, Pale Grey, Black, Blue, Silver
Redmi Note 15 Special
Crimson Reserve red, Carbon Black, Frosted White
Models
Black Shark 4
SHARK PRS-H0, SHARK PRS-A0, SHARK KSR-A0
Redmi Note 15 Special
-
Price
Black Shark 4
About 930 EUR
Redmi Note 15 Special
About 190 EUR