Xiaomi Redmi 8A vs Redmi 9A Sport: A Deep Dive into Budget Smartphone Performance

The Xiaomi Redmi 8A and Redmi 9A Sport represent Xiaomi's continued commitment to the ultra-budget smartphone market. While both aim to deliver essential smartphone functionality at a low price, they differ significantly in their internal hardware, particularly in their chipsets and charging capabilities. This comparison dissects these differences to determine which device offers the best value for users prioritizing performance or efficiency.
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🏆 Quick Verdict

For most users, the Redmi 9A Sport offers a slight edge due to its newer MediaTek Helio G25 chipset, which provides a modest CPU performance boost. However, the Redmi 8A’s 18W charging is a significant advantage for those who value faster top-ups, making it a better choice for users constantly on the go.

PHONES
Phone Names Xiaomi Redmi 8A Xiaomi Redmi 9A Sport
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 20, 38, 40 - Global1, 3, 5, 8, 40, 41
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
 1, 3, 5, 8, 34, 38, 39, 40, 41 - China-
Launch
Announced2019, September 25. Released 2019, September 302021, September 28
StatusDiscontinuedAvailable. Released 2021, September 28
Body
BuildGlass front (Gorilla Glass 5), plastic back, plastic frame-
Dimensions156.5 x 75.4 x 9.4 mm (6.16 x 2.97 x 0.37 in)164.9 x 77.1 x 9 mm (6.49 x 3.04 x 0.35 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight188 g (6.63 oz)194 g (6.84 oz)
 Water-repellent coatingWater-repellent coating
Display
ProtectionCorning Gorilla Glass 5-
Resolution720 x 1520 pixels, 19:9 ratio (~270 ppi density)720 x 1600 pixels, 20:9 ratio (~269 ppi density)
Size6.22 inches, 96.6 cm2 (~81.8% screen-to-body ratio)6.53 inches, 102.9 cm2 (~81.0% screen-to-body ratio)
TypeIPS LCD, 400 nits (typ)IPS LCD, 400 nits (typ)
Platform
CPUOcta-core (4x1.95 GHz Cortex-A53 & 4x1.45 GHz Cortex A53)Octa-core (4x2.0 GHz Cortex-A53 & 4x1.5 GHz Cortex-A53)
ChipsetQualcomm SDM439 Snapdragon 439 (12 nm)Mediatek MT6762G Helio G25 (12 nm)
GPUAdreno 505PowerVR GE8320
OSAndroid 9.0 (Pie), upgradable to Android 10, MIUI 12Android 10, MIUI 12
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal32GB 2GB RAM, 32GB 3GB RAM, 64GB 4GB RAM32GB 2GB RAM, 32GB 3GB RAM
 eMMC 5.1eMMC 5.1
Main Camera
FeaturesLED flash, HDR, panoramaLED flash, HDR
Single12 MP, f/1.8, (wide), 1/2.55", 1.4µm, dual pixel PDAF13 MP, f/2.2, 28mm (wide), 1.0µm, PDAF
Video1080p@30fps1080p@30/60fps
Selfie camera
FeaturesHDRHDR
Single8 MP, f/2.0, 1/4.0", 1.12µm5 MP, f/2.2, (wide), 1.12µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth4.2, A2DP, LE5.0, A2DP, LE
NFCNoNo
PositioningGPS, GLONASS, BDSGPS, GLONASS, BDS
RadioFM Radio, built-in antennaFM radio
USBUSB Type-C 2.0, OTGmicroUSB 2.0, OTG
WLANWi-Fi 802.11 b/g/n, Wi-Fi DirectWi-Fi 802.11 a/b/g/n, Wi-Fi Direct
Features
SensorsAccelerometer, proximity, compassAccelerometer, proximity
Battery
Charging18W wired10W wired
TypeLi-Po 5000 mAh, non-removableLi-Po 5000 mAh
Misc
ColorsMidnight Black, Ocean Blue, Sunset RedCarbon Black, Coral Green, Metallic Blue
ModelsMZB8458IN, M1908C3KG, M1908C3KH-
PriceAbout 120 EURAbout 100 EUR
SAR0.48 W/kg (head)     1.07 W/kg (body)-
SAR EU0.23 W/kg (head)     1.48 W/kg (body)-
Tests
Performance AnTuTu: 89901 (v8) GeekBench: 3030 (v4.4) GFXBench: 7fps (ES 3.1 onscreen)-

Xiaomi Redmi 8A

  • Faster 18W charging for quicker top-ups.
  • Established Qualcomm chipset with generally stable software support.
  • Potentially better thermal management due to the Snapdragon 439's maturity.

  • Slightly slower CPU performance compared to the Redmi 9A Sport.
  • Potentially less capable GPU for light gaming.

Xiaomi Redmi 9A Sport

  • Marginally faster CPU performance for smoother multitasking.
  • Newer MediaTek Helio G25 chipset.
  • Potentially better GPU performance for basic gaming.

  • Slower 10W charging, resulting in longer charging times.
  • MediaTek chipsets sometimes have less consistent software updates.

Display Comparison

Both devices likely feature similar LCD panels, given their price point. Detailed display specs (resolution, brightness, color gamut) are unavailable, but we can assume both offer a basic viewing experience. The focus here isn't on display quality, but rather on internal components. Bezels are likely comparable, reflecting the budget nature of both phones.

Camera Comparison

Camera performance on both devices is expected to be basic. Without detailed sensor information, it's difficult to make a definitive comparison. Both likely feature a primary camera and a depth sensor. The Redmi 9A Sport *may* have a slight edge due to potential software optimizations with the newer chipset, but image quality will largely depend on lighting conditions and software processing. The inclusion of a 2MP macro camera on either device is largely a marketing tactic and offers limited practical benefit.

Performance

The core difference lies in the chipsets. The Redmi 8A utilizes the Qualcomm Snapdragon 439 (12nm), while the Redmi 9A Sport features the MediaTek Helio G25 (also 12nm). While both are entry-level chips, the Helio G25 boasts a slightly higher CPU clock speed (2.0 GHz vs 1.95 GHz) in its high-performance cores. This translates to a small, but noticeable, improvement in application launch times and general responsiveness. The CPU architecture is identical (Cortex-A53), meaning the performance gain isn't dramatic, but it's present. The Snapdragon 439's GPU is likely less capable than the G25's, potentially impacting light gaming performance. However, neither phone is designed for demanding games.

Battery Life

Both phones likely have similar battery capacities (around 5000mAh, based on market segment). However, the Redmi 8A’s 18W wired charging is a significant advantage over the Redmi 9A Sport’s 10W charging. This means the Redmi 8A can replenish its battery much faster, reducing downtime. While a larger battery capacity is beneficial, faster charging can be more impactful for users who frequently need to top up their phone throughout the day.

Buying Guide

Buy the Xiaomi Redmi 8A if you prioritize faster charging and are willing to accept slightly lower CPU performance. This phone is ideal for users who frequently find themselves needing to quickly replenish their battery. Buy the Xiaomi Redmi 9A Sport if you prefer a marginally more responsive user experience and slightly better CPU performance for basic tasks, and aren't as concerned about charging speed. This is a good fit for users who primarily use their phone for communication and light social media.

Frequently Asked Questions

❓ Will the Helio G25 in the Redmi 9A Sport overheat during prolonged use of apps like WhatsApp or Facebook?
The Helio G25 is a low-power chipset designed for efficiency. While it can handle apps like WhatsApp and Facebook, prolonged use *may* lead to some warming, but it's unlikely to cause significant overheating or performance throttling. The Snapdragon 439 in the Redmi 8A is also efficient and will experience similar thermal behavior.
❓ How long will it take to fully charge the Redmi 8A with the included 18W charger?
While a precise 0-100% charge time isn't available, the Redmi 8A with its 18W charging should fully charge in approximately 2-2.5 hours, depending on usage during charging. This is significantly faster than the Redmi 9A Sport's 10W charging, which will likely take over 3.5-4 hours.
❓ Can the Redmi 9A Sport handle games like PUBG Mobile, even on low settings?
The Redmi 9A Sport *can* run PUBG Mobile, but only on the lowest possible settings (graphics and frame rate). Expect a choppy and less-than-ideal gaming experience. The Helio G25 isn't designed for demanding games, and the phone's limited RAM and processing power will be significant bottlenecks.