Tecno Spark 40C vs. Infinix Smart 7 HD: A Deep Dive into Budget Smartphone Performance

The Tecno Spark 40C and Infinix Smart 7 HD represent the fiercely competitive entry-level smartphone market. Both aim to deliver essential smartphone functionality at an accessible price point, but they diverge significantly in their internal hardware. This comparison will dissect those differences, focusing on performance and charging capabilities to help you determine which device best suits your needs.
Phones Images

🏆 Quick Verdict

For the average user prioritizing responsiveness and smoother multitasking, the Tecno Spark 40C emerges as the stronger choice. Its Mediatek Helio G81 chipset, with its Cortex-A75 cores, provides a noticeable performance advantage over the Infinix Smart 7 HD’s unspecified octa-core CPU, justifying the slightly higher price for those who demand more from their device.

PHONES
Phone Names Tecno Spark 40C Infinix Smart 7 HD
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 900 / 2100HSDPA 850 / 900 / 2100
4G bandsLTE1, 3, 5, 8, 38, 40, 41
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
 -1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
Launch
Announced2025, July 192023, April 14
StatusAvailable. Released 2025, AugustAvailable. Released 2023, April 14
Body
BuildGlass front, plastic back, plastic frameGlass front, plastic back, plastic frame
Dimensions165.6 x 77 x 8.4 mm (6.52 x 3.03 x 0.33 in)163.9 x 75.5 x 8.7 mm (6.45 x 2.97 x 0.34 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight-196.5 g (6.95 oz)
Display
Resolution720 x 1600 pixels, 20:9 ratio (~263 ppi density)720 x 1612 pixels, 20:9 ratio (~267 ppi density)
Size6.67 inches, 107.4 cm2 (~84.2% screen-to-body ratio)6.6 inches, 104.6 cm2 (~84.6% screen-to-body ratio)
TypeIPS LCD, 120HzIPS LCD, 500 nits
Platform
CPUOcta-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)Octa-core 1.6 GHz
ChipsetMediatek Helio G81 (12 nm)-
GPUMali-G52 MC2-
OSAndroid 15, HIOS 15.1Android 12 (Go edition)
Memory
Card slotUnspecifiedmicroSDXC (dedicated slot)
Internal128GB 4GB RAM, 128GB 8GB RAM, 256GB 8GB RAM64GB 2GB RAM
 -UFS 2.1
Main Camera
Dual-8 MP, f/2.0 0.08 MP, (depth)
FeaturesDual-LED flash, HDRDual-LED flash, HDR, panorama
Single13 MP, f/1.8, 27mm (wide), PDAF8 MP, f/2.0 Auxiliary lens
Video1080p@30fps1080p@30fps
Selfie camera
Features-LED flash
Single8 MP5 MP, f/2.0
VideoYes720p@30fps
Sound
3.5mm jack -Yes
35mm jackYesYes
Loudspeaker Yes, with dual speakersYes
Comms
BluetoothYes5.0, A2DP, LE
Infrared portYes-
NFCNoNo
PositioningGPSGPS
RadioFM radioFM radio
USBUSB Type-C, OTGmicroUSB 2.0, OTG
WLANYesWi-Fi 802.11 b/g/n
Features
SensorsFingerprint (side-mounted); unspecified sensorsFingerprint (rear-mounted), accelerometer, proximity
Battery
Charging18W wired10W wired
Type6000 mAh5000 mAh
Misc
ColorsVeil White, Ripple Blue, Titanium Grey, Ink BlackInk Black, Silk Blue, Jade White, Green Apple
ModelsKM4kX6516
PriceAbout 90 EURAbout 110 EUR

Tecno Spark 40C

  • Faster processor (Helio G81) for smoother performance
  • Faster 18W charging for quicker top-ups
  • Potentially better multitasking capabilities

  • May be slightly more expensive than the Smart 7 HD
  • Battery capacity not specified

Infinix Smart 7 HD

  • Likely more affordable price point
  • Potentially longer battery life (depending on capacity)
  • Simple and straightforward user experience

  • Slower processor for less demanding tasks
  • Slower 10W charging
  • Limited performance for multitasking and gaming

Display Comparison

Both devices likely feature LCD panels, typical for this price segment. However, detailed display specifications like resolution, brightness, and color gamut are unavailable for the Infinix Smart 7 HD. The Tecno Spark 40C’s display quality will likely be the better of the two, but neither is expected to compete with higher-end AMOLED panels. Bezels are expected to be substantial on both, impacting the overall screen-to-body ratio.

Camera Comparison

Without detailed camera specifications for either device, a direct comparison is difficult. However, both phones likely feature a primary camera alongside auxiliary lenses (potentially a depth or macro sensor). Given the price point, image quality will be heavily reliant on software processing. The absence of Optical Image Stabilization (OIS) on either device suggests that low-light performance will be limited. The focus should be on the primary sensor resolution, which is currently unknown for both.

Performance

The core difference lies in the chipset. The Tecno Spark 40C’s Mediatek Helio G81 (12nm) is a significantly more powerful processor than the Infinix Smart 7 HD’s octa-core CPU clocked at 1.6 GHz. The Helio G81’s architecture – featuring two Cortex-A75 cores alongside six Cortex-A55 cores – provides a substantial boost in single-core and multi-core performance. This translates to faster app loading times, smoother scrolling, and a more responsive user interface. While the Smart 7 HD is adequate for basic tasks, the Spark 40C is better equipped for multitasking and light gaming. The lack of information on the Smart 7 HD’s GPU further emphasizes the Spark 40C’s performance advantage.

Battery Life

Battery capacity is not specified for either device. However, the charging speed is a key differentiator. The Tecno Spark 40C supports 18W wired charging, allowing for significantly faster top-ups compared to the Infinix Smart 7 HD’s 10W charging. This means the Spark 40C can replenish its battery more quickly, reducing downtime. While a larger battery capacity on the Smart 7 HD could offset the slower charging, the 18W charging on the Spark 40C provides a tangible benefit for users who need to quickly recharge their device.

Buying Guide

Buy the Tecno Spark 40C if you frequently switch between apps, enjoy casual gaming, or value faster charging speeds. The Helio G81 chipset offers a more fluid user experience. Buy the Infinix Smart 7 HD if your primary needs are basic communication – calls, texts, and light social media – and you prioritize maximizing battery life over raw performance, accepting a slower charging experience.

Frequently Asked Questions

❓ Will the Tecno Spark 40C handle popular games like PUBG Mobile or Call of Duty?
The Mediatek Helio G81 in the Tecno Spark 40C is capable of running PUBG Mobile and Call of Duty, but likely at lower graphics settings and frame rates to maintain a playable experience. Expect some frame drops during intense action. The Infinix Smart 7 HD will struggle with these titles.
❓ How long will it take to fully charge the Tecno Spark 40C with the 18W charger?
While the exact 0-100% charging time depends on the battery capacity (which is currently unknown), the 18W charging should take approximately 2-3 hours for a full charge, significantly faster than the Infinix Smart 7 HD’s 10W charging.
❓ Is the difference in processor speed noticeable for everyday tasks like browsing and social media?
Yes, the difference between the Helio G81 and the Infinix Smart 7 HD’s processor is noticeable. The Spark 40C will offer snappier app launches, smoother scrolling through social media feeds, and a more responsive overall experience.