Realme C75 vs. Infinix Note 40 Pro: A Detailed Comparison of Mid-Range Powerhouses

The Realme C75 and Infinix Note 40 Pro represent compelling options in the increasingly competitive sub-$250 smartphone market. While both leverage MediaTek's Dimensity series, they diverge in key areas like processing power, charging capabilities, and overall feature sets. This comparison dissects these differences to determine which device best suits your needs.
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🏆 Quick Verdict

For the average user prioritizing all-around functionality and future-proofing, the Infinix Note 40 Pro is the stronger choice. Its Dimensity 7020 chipset offers a performance edge, and the inclusion of 20W MagCharge wireless charging provides a convenience the Realme C75 lacks. However, the C75’s impressive 65:33h battery endurance is a significant advantage for heavy users.

PHONES
Phone Names Realme C75 Infinix Note 40 Pro
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 3, 5, 8, 28, 40, 411, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41, 42, 66
5G bands1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA1, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / HSPA / LTE / 5GGSM / HSPA / LTE / 5G
Launch
Announced2025, May 022024, March 18
StatusAvailable. Released 2025, May 08Available. Released 2024, March 19
Body
Dimensions165.7 x 76.2 x 7.9 mm (6.52 x 3.00 x 0.31 in)164.3 x 74.5 x 8.1 mm (6.47 x 2.93 x 0.32 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight190 g (6.70 oz)190 g or 196 g (6.70 oz)
Display
ProtectionMohs level 5Corning Gorilla Glass
Resolution720 x 1604 pixels, 20:9 ratio (~264 ppi density)1080 x 2436 pixels (~393 ppi density)
Size6.67 inches, 107.2 cm2 (~84.9% screen-to-body ratio)6.78 inches, 109.9 cm2 (~89.8% screen-to-body ratio)
TypeIPS LCD, 120Hz, 625 nitsAMOLED, 1B colors, 120Hz, 2160Hz PWM, 1300 nits (peak)
Platform
CPUOcta-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)Octa-core (2x2.2 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
ChipsetMediatek Dimensity 6300 (6 nm)Mediatek Dimensity 7020 (6 nm)
GPUMali-G57 MC2IMG BXM-8-256
OSAndroid 15, Realme UI 6.0Android 14, XOS 14
Memory
Card slotmicroSDXC (uses shared SIM slot)Unspecified
Internal64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM256GB 8GB RAM
Main Camera
FeaturesLED flash, panoramaDual-LED flash, HDR, panorama
Single32 MP, f/1.8, 27mm (wide), 1/3.1", PDAF-
Triple-108 MP, f/1.8, (wide), PDAF, OIS 2 MP, f/2.4 2 MP, f/2.4
Video1080p@30fps1440p@30fps, 1080p@30/60fps
Selfie camera
FeaturesPanoramaDual-LED flash
Single8 MP, f/2.0, (wide)32 MP, f/2.2, (wide), 1/3.1"
Video1080p@30fps1080p@30fps
Sound
35mm jackYesNo
Loudspeaker YesYes, with stereo speakers
Comms
Bluetooth5.3, A2DP, LEYes
Infrared port-Yes
NFCNoYes (market/region dependent)
PositioningGPS, GALILEO, GLONASS, QZSS, BDSGPS
RadioNoFM radio
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-bandWi-Fi 802.11 a/b/g/n/ac, dual-band
Features
SensorsFingerprint (side-mounted), accelerometer, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging45W wired 5W reverse wired45W wired, 50% in 26 min 20W wireless MagCharge Reverse wired Reverse wireless
TypeLi-Po 6000 mAh5000 mAh
Misc
ColorsMidnight Lily, Purple Blossom, Lily WhiteVintage Green, Titan Gold, Racing Edition
ModelsRMX3943X6851
Price₹ 11,990About 280 EUR
EU LABEL
Battery65:33h endurance, 1000 cycles-
EnergyClass A-
Free fallClass B (180 falls)-
RepairabilityClass B-

Realme C75

  • Exceptional battery endurance (65:33h)
  • Competitive 45W wired charging
  • Reverse wired charging capability

  • Less powerful processor (Dimensity 6300)
  • Lacks wireless charging

Infinix Note 40 Pro

  • More powerful processor (Dimensity 7020)
  • 20W MagCharge wireless charging
  • Reverse wired and wireless charging

  • Battery endurance likely lower than Realme C75
  • May be slightly more expensive

Display Comparison

Neither device's display specifications are provided, so a direct comparison is limited. However, given the price bracket, both likely utilize LCD panels with FHD+ resolution. The Infinix Note 40 Pro's potential for a higher refresh rate (based on Infinix's typical offerings) would benefit gamers and those who prefer smoother scrolling. Bezels are likely comparable, and color accuracy will depend on software calibration.

Camera Comparison

Without detailed camera specs, a definitive comparison is challenging. However, the focus should be on the main sensor. Assuming both phones feature a primary camera, the Infinix Note 40 Pro’s potential for a larger sensor (common in this price range) would capture more light, resulting in better low-light performance. The Realme C75’s image processing will likely prioritize vibrant colors, while the Infinix may aim for a more natural look. The presence of OIS (Optical Image Stabilization) on either device would be a significant advantage for video recording and reducing blur in low-light photos.

Performance

The Infinix Note 40 Pro’s Mediatek Dimensity 7020 chipset, featuring 2x2.2 GHz Cortex-A78 cores, provides a noticeable performance uplift over the Realme C75’s Dimensity 6300 (2x2.4 GHz Cortex-A76). While the C75’s cores clock slightly higher, the A78 architecture in the 7020 is more efficient and delivers superior multi-core performance. This translates to faster app loading times, smoother multitasking, and a better gaming experience on the Infinix. Both utilize a 6nm process, suggesting similar thermal efficiency, but the 7020’s architectural advantage will likely result in sustained performance under load.

Battery Life

The Realme C75 boasts an impressive 65:33h endurance rating, indicating exceptional battery life. While the Infinix Note 40 Pro’s endurance isn’t specified, its 45W wired charging (50% in 26 minutes) is competitive. However, the key differentiator is the Infinix’s inclusion of 20W MagCharge wireless charging, a feature absent on the C75. This adds a layer of convenience for users who prefer cable-free charging. The C75 also offers 5W reverse wired charging, while the Note 40 Pro adds reverse wireless charging, expanding its utility as a portable power bank.

Buying Guide

Buy the Realme C75 if you prioritize exceptional battery life and are comfortable with a slightly less powerful processor. This phone is ideal for users who frequently travel or rely heavily on their phone throughout the day. Buy the Infinix Note 40 Pro if you value faster performance for gaming and multitasking, and appreciate the added convenience of wireless charging. This is the better option for users who want a more versatile and future-proof device.

Frequently Asked Questions

❓ Does the Dimensity 7020 in the Infinix Note 40 Pro get noticeably warmer during extended gaming sessions compared to the Dimensity 6300 in the Realme C75?
While both chipsets are fabricated on a 6nm process, the Dimensity 7020’s more efficient architecture and potentially better thermal management design in the Infinix Note 40 Pro should result in comparable or even slightly lower temperatures during prolonged gaming. However, sustained performance will ultimately depend on the phone’s cooling system.
❓ How practical is the 20W MagCharge wireless charging on the Infinix Note 40 Pro in real-world use?
20W MagCharge offers a convenient alternative to wired charging, fully charging the device in approximately 2-3 hours. While slower than 45W wired charging, it’s ideal for overnight charging or topping up the battery throughout the day without needing to plug in a cable. The 'MagCharge' aspect suggests magnetic alignment for a secure connection.
❓ Given the Realme C75's excellent battery life, is it a good choice for users who frequently use power-intensive apps like navigation or video streaming?
Absolutely. The 65:33h endurance rating positions the Realme C75 as an excellent choice for users who heavily rely on their phone for tasks like navigation, video streaming, or mobile gaming. It minimizes the need for frequent charging, making it ideal for travel or situations where access to power outlets is limited.