Xiaomi Redmi 9A vs. Infinix Smart 5 Pro: A Deep Dive into Budget Smartphone Performance

The Xiaomi Redmi 9A and Infinix Smart 5 Pro represent the extreme end of the smartphone price spectrum. Both aim to deliver essential smartphone functionality at an incredibly low cost. However, significant differences in their underlying hardware, particularly the chipset, dictate their performance and suitability for different users. This comparison dissects these differences to determine which device offers the best value.
Phones Images

🏆 Quick Verdict

For the average user prioritizing responsiveness and a slightly smoother experience, the Xiaomi Redmi 9A is the better choice. Its Mediatek Helio G25, built on a more modern 12nm process, provides a performance advantage over the Infinix Smart 5 Pro’s older 28nm Unisoc SC9863A, despite similar core counts. While both offer basic functionality, the Redmi 9A feels less constrained.

PHONES
Phone Names Xiaomi Redmi 9A Infinix Smart 5 Pro
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - InternationalHSDPA 850 / 900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 - International1, 3, 5, 8, 38, 40, 41
SpeedHSPA, LTEHSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
 1, 3, 5, 8, 40, 41 - India1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 41, 40, 66
Launch
Announced2020, June 30. Released 2020, July 072021, November 17
StatusDiscontinuedAvailable. Released 2021, November 17
Body
Build-Glass front, plastic back, plastic frame
Dimensions164.9 x 77.1 x 9 mm (6.49 x 3.04 x 0.35 in)164.4 x 75.6 x 9.5 mm (6.47 x 2.98 x 0.37 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight196 g (6.91 oz)-
Display
Resolution720 x 1600 pixels, 20:9 ratio (~269 ppi density)720 x 1600 pixels, 20:9 ratio (~269 ppi density)
Size6.53 inches, 102.9 cm2 (~81.0% screen-to-body ratio)6.52 inches, 102.6 cm2 (~82.6% screen-to-body ratio)
TypeIPS LCD, 400 nits (typ)IPS LCD, 500 nits (peak)
Platform
CPUOcta-core (4x2.0 GHz Cortex-A53 & 4x1.5 GHz Cortex-A53)Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
ChipsetMediatek MT6762G Helio G25 (12 nm)Unisoc SC9863A (28 nm)
GPUPowerVR GE8320IMG8322
OSAndroid 10, upgradable to Android 11, MIUI 12Android 11 (Go edition), XOS 7.6
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal32GB 2GB RAM, 32GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM32GB 2GB RAM
 eMMC 5.1eMMC 5.1
Main Camera
Dual-13 MP, f/1.8, AF Auxiliary lens
FeaturesLED flash, HDRQuad-LED flash
Single13 MP, f/2.2, 28mm (wide), 1.0µm, PDAF8 MP
Video1080p@30/60fps1440p@30fps
Selfie camera
FeaturesHDRDual-LED flash
Single5 MP, f/2.2, (wide), 1.12µm8 MP
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE4.2, A2DP
NFCNoNo
PositioningGPS, GLONASS, BDSGPS
RadioFM radioFM radio
USBmicroUSB 2.0, OTGmicroUSB 2.0
WLANWi-Fi 802.11 b/g/n, Wi-Fi DirectWi-Fi 802.11 b/g/n
Features
SensorsAccelerometer, proximityFingerprint (rear-mounted), accelerometer, proximity
Battery
Charging10W wired10W wired
TypeLi-Po 5000 mAh6000 mAh
Misc
ColorsCarbon Gray (Midnight Black), Sky Blue (Sea Blue), Ocean Green (Nature Green)Morandi Green, Heart of Ocean
ModelsM2006C3LG, M2006C3LI, M2006C3LC, M2004C3L-
Price€ 64.30 / $ 56.50 / £ 95.56About 70 EUR
SAR0.90 W/kg (head)     0.65 W/kg (body)-
SAR EU0.40 W/kg (head)     1.19 W/kg (body)-

Xiaomi Redmi 9A

  • More efficient chipset (Helio G25)
  • Potentially smoother performance
  • Likely better ISP for image processing

  • 10W charging is slow
  • Basic camera system

Infinix Smart 5 Pro

  • Extremely affordable
  • Acceptable for basic communication
  • Potentially larger battery capacity (unconfirmed)

  • Less efficient chipset (Unisoc SC9863A)
  • Slower performance
  • May struggle with multitasking

Display Comparison

Neither device boasts a standout display. Both are likely to feature LCD panels with resolutions around 720p+, typical for this price point. However, the lack of detailed display specifications necessitates a focus on the chipset's ability to drive the UI smoothly. The Redmi 9A’s slightly more powerful GPU may translate to marginally smoother scrolling and animations, but the difference will be subtle. Bezels are expected to be substantial on both devices, maximizing screen real estate within a compact form factor.

Camera Comparison

Both phones are expected to feature basic camera setups, likely headlined by a single 8-13MP main sensor. Detailed camera specs are unavailable, so analysis focuses on the chipset’s image signal processor (ISP). The Helio G25’s ISP is likely more capable than the Unisoc SC9863A’s, potentially resulting in slightly better image quality in good lighting conditions. The prevalence of 2MP macro/depth sensors on both devices suggests these are largely marketing features with limited practical benefit. Expect similar performance in low-light scenarios – poor.

Performance

The core difference lies in the chipsets. The Redmi 9A’s Mediatek Helio G25 (12nm) utilizes Cortex-A53 cores clocked up to 2.0 GHz, while the Infinix Smart 5 Pro’s Unisoc SC9863A (28nm) features Cortex-A55 cores clocked up to 1.6 GHz. While both are octa-core, the 12nm fabrication process of the Helio G25 is significantly more efficient than the 28nm process of the Unisoc chip. This translates to better thermal management and sustained performance under load. The Cortex-A55 cores in the Smart 5 Pro are architecturally more efficient *per clock cycle* than the A53, but the lower clock speeds and larger process node negate this advantage. Users will notice this difference in app loading times and overall system responsiveness.

Battery Life

Both devices feature 10W wired charging, indicating similar charging speeds (approximately 3-4 hours for a full charge). Battery capacity is not specified, but both are likely to house batteries in the 4000-5000 mAh range. The Helio G25’s superior power efficiency may result in slightly longer battery life on the Redmi 9A, especially during moderate usage. However, the difference will likely be marginal and heavily dependent on usage patterns.

Buying Guide

Buy the Xiaomi Redmi 9A if you need a phone for everyday tasks like calling, texting, social media, and light web browsing, and value a slightly more responsive user experience. Buy the Infinix Smart 5 Pro if your primary concern is absolute affordability and you only need a phone for the most basic communication functions, accepting a potentially slower and less fluid experience.

Frequently Asked Questions

❓ Will the Unisoc SC9863A in the Infinix Smart 5 Pro struggle with popular apps like WhatsApp and Facebook?
While the Smart 5 Pro can run these apps, the Unisoc SC9863A’s limited processing power may result in slower loading times, occasional lag, and a less fluid experience, especially when multitasking. The Redmi 9A’s Helio G25 will handle these apps more comfortably.
❓ Is the 10W charging on either phone sufficient for daily use?
10W charging is quite slow by modern standards. Expect a full charge to take around 3-4 hours. Neither phone is ideal for users who need quick top-ups. Both are best charged overnight.
❓ Can either of these phones handle basic mobile gaming?
Both phones can handle very basic 2D games. However, demanding 3D games will likely be unplayable or suffer from severe frame rate drops. The Redmi 9A’s Helio G25 has a slightly more capable GPU, offering a marginally better gaming experience, but don't expect miracles.