Realme C75x vs Tecno Spark 40

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Overview

Specs Score65 / 10069 / 100
Better Specs
Display Resolution720 x 1604 pixels
Better Resolution
720 x 1600 pixels
Screen To Body Ratio~ 89.97%
Less Bezels
~ 84.2%
RAM6 GB
More RAM
4 GB
CPU Clock Speed2 GHz
Faster Clock Speed
Thickness7.7 mm
Slimmer
Unique Features
No
No
Reverse Charging
No
3.5mm Audio Jack
FM Radio
No
IR Blaster

General

Sim TypeDual Sim, GSM+GSM (Hybrid Slot)Dual Sim, GSM+GSM
Dual SimYesYes
Sim SizeNano+Nano SIMNano+Nano SIM
Device TypeSmartphoneSmartphone
Release DateDecember 18, 2025 (Expected)July 02, 2025

Design

Dimensions77 x 165.6 x 7.7 mm
Bezel lessNoNo
ColorsJewel Red, Crystal Black, Golden GlowInk Black, Titanium Grey, Veil White, Mirage Blue

Display

TypeColor IPS Screen (16.7M)Color IPS Screen
TouchYesYes
Size6.67 inches, 720 x 1604 pixels, 120 Hz6.67 inches, 720 x 1600 pixels, 120 Hz
Aspect Ratio20:9
PPI~ 264 PPI~ 263 PPI
Screen to Body Ratio~ 89.97%~ 84.2%
FeaturesBrightness: 500 Nits (Typical) | 625 Nits (HBM), Pixel Arrangement: RGB, Relative Humidity: 5% to 95% (Non-Condensing), Dimming Mode: DC Dimming, Supports Eye Comfort, Supports Dark Mode
NotchYes, Punch HoleYes, Punch Hole

Memory

RAM6 GB4 GB
Expandable RAMUpto 6 GB Extra Virtual RAM
Storage128 GB128 GB
Card SlotYes, (Hybrid Slot)Yes

Connectivity

GPRSYesYes
EDGEYesYes
3GYesYes
4GYesYes
VoLTEYes, Dual Stand-ByYes, Dual Stand-By
WifiYes, with wifi-hotspotYes, with wifi-hotspot
Wifi VersionSupport 802.11 a/b/g/n/ac
BluetoothYes, v5.3, Support SBC, AAC, APTX, APTX-HD, LDAC, LHDCYes
USBYes, USB-C v2.0Yes, USB-C
USB FeaturesUSB Tethering, USB on-the-go, USB Charging, USB StorageUSB Tethering, USB on-the-go, USB Charging, USB Storage
IR BlasterYes

Extra

GPSYes, with Beidou(B1I), GPS(L1), GLONASS(G1), Galileo(E1),QZSS(L1)Yes
Fingerprint SensorYes, SideYes, Side
Face UnlockYes
SensorsGeomagnetic , Light, Proximity, Acceleration, Flicker SensorSoftware Gyroscope, Infrared Remote Control
3.5mm Headphone JackYes
Water ResistanceYesYes, 1.5 m
IP RatingIP64
Dust ResistantYesYes

Camera

Rear Camera50 MP (Wide Angle)
2 MP (Depth Sensor)
50 MP (Wide Angle)
Auto FocusYesYes
Video Recording1080p @ 30 fps FHD, 720p @ 30 fps HD1440p @ 30 fps QHD, 1080p @ 30 fps FHD
FlashYes, LEDYes, Dual LED
Front Camera8 MP (Wide Angle)
Punch Hole, Screen Flash
8 MP (Wide Angle)
Punch Hole
Front Video Recording1080p @ 30 fps FHD1080p @ 30 fps FHD

Technical

OSAndroid v15Android v15
Custom UIRealme UI 6
ChipsetMediatek Helio G81
CPUOcta Core Processor2 GHz, Octa Core Processor
GPUMali-G52 MC2
JavaNoNo
BrowserYesYes

Multimedia

EmailYesYes
MusicMP3, AAC, APE, AMR, WAV, OGG, FLAC, WMAYes
VideoAVI, 3GP, MP4, WMV, MKV, MOV, ASF, FLVYes
FM RadioNoYes
Document ReaderYesYes

Battery

TypeNon-Removable BatteryNon-Removable Battery
Size5180 mAh5200 mAh
Fast ChargingYes, 45W SUPERVOOC ChargeYes, 45W
Reverse ChargingYes

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