Xiaomi Redmi 9A vs Samsung Galaxy A03s: A Deep Dive into the Ultra-Budget Segment

The Xiaomi Redmi 9A and Samsung Galaxy A03s represent the absolute bottom end of the smartphone market, catering to first-time buyers or those needing a reliable secondary device. Both aim to deliver essential functionality at an incredibly low price point, but key differences in chipset and display technology create distinct user experiences. This comparison dissects those differences to determine which phone offers the best value.
Phones Images

🏆 Quick Verdict

For most users, the Samsung Galaxy A03s emerges as the slightly better choice. While both phones share a similar price bracket, the A03s’ faster Helio P35 chipset and brighter display provide a noticeably smoother and more enjoyable experience, justifying the minimal price premium.

PHONES
Phone Names Xiaomi Redmi 9A Samsung Galaxy A03s
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, 7, 8, 20, 28, 38, 40, 41
SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
 1, 3, 5, 8, 40, 41 - India2, 4, 5, 7, 12, 13, 14, 25, 26, 41, 66, 71 - SM-A037U
Launch
Announced2020, June 30. Released 2020, July 072021, August 18
StatusDiscontinuedAvailable. Released 2021, August 18
Body
Build-Glass front, plastic frame, plastic back
Dimensions164.9 x 77.1 x 9 mm (6.49 x 3.04 x 0.35 in)164.2 x 75.9 x 9.1 mm (6.46 x 2.99 x 0.36 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight196 g (6.91 oz)196 g (6.91 oz)
Display
Resolution720 x 1600 pixels, 20:9 ratio (~269 ppi density)720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Size6.53 inches, 102.9 cm2 (~81.0% screen-to-body ratio)6.5 inches, 102.0 cm2 (~81.8% screen-to-body ratio)
TypeIPS LCD, 400 nits (typ)PLS LCD
Platform
CPUOcta-core (4x2.0 GHz Cortex-A53 & 4x1.5 GHz Cortex-A53)Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
ChipsetMediatek MT6762G Helio G25 (12 nm)Mediatek MT6765 Helio P35 (12 nm)
GPUPowerVR GE8320PowerVR GE8320
OSAndroid 10, upgradable to Android 11, MIUI 12Android 11, upgradable to Android 13, One UI 5.1 Core
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, 32GB 3GB RAM, 32GB 4GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
 eMMC 5.1eMMC 5.1
Main Camera
FeaturesLED flash, HDRLED flash
Single13 MP, f/2.2, 28mm (wide), 1.0µm, PDAF5 MP, f/2.2
Triple-13 MP, f/2.2, (wide), AF 2 MP (macro) Auxiliary lens
Video1080p@30/60fps1080p@30fps
Selfie camera
FeaturesHDR-
Single5 MP, f/2.2, (wide), 1.12µm5 MP, f/2.2
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP
NFCNoYes (market/region dependent)
PositioningGPS, GLONASS, BDSGPS, GLONASS, GALILEO, BDS
RadioFM radioNo
USBmicroUSB 2.0, OTGUSB Type-C 2.0
WLANWi-Fi 802.11 b/g/n, Wi-Fi DirectWi-Fi 802.11 b/g/n, Wi-Fi Direct
Features
SensorsAccelerometer, proximityFingerprint (side-mounted), accelerometer, proximity
Battery
Charging10W wired15W wired
TypeLi-Po 5000 mAhLi-Po 5000 mAh
Misc
ColorsCarbon Gray (Midnight Black), Sky Blue (Sea Blue), Ocean Green (Nature Green)Black, Blue, White
ModelsM2006C3LG, M2006C3LI, M2006C3LC, M2004C3LSM-A037F, SM-A037F/DS, SM-A037M, SM-A037G, SM-A037U, SM-S134DL, SM-A037W, SM-A037U1, SM-S135DL
Price€ 64.30 / $ 56.50 / £ 95.56$ 65.65 / £ 82.99 / ₹ 10,800
SAR0.90 W/kg (head)     0.65 W/kg (body)-
SAR EU0.40 W/kg (head)     1.19 W/kg (body)0.36 W/kg (head)     1.09 W/kg (body)
Tests
Battery life- Endurance rating 122h
Camera- Photo / Video
Display- Contrast ratio: 1718:1 (nominal)
Loudspeaker- -27.4 LUFS (Good)
Performance- AnTuTu: 103465 (v8), 101299 (v9) GeekBench: 889 (v5.1) GFXBench: 5.5fps (ES 3.1 onscreen)

Xiaomi Redmi 9A

  • Potentially lower price point
  • Simple and straightforward user experience
  • Reliable for basic communication tasks

  • Slower processor compared to the A03s
  • Likely lower display brightness
  • Slower charging speed

Samsung Galaxy A03s

  • Faster Helio P35 chipset for smoother performance
  • Brighter display for better outdoor visibility
  • Faster 15W charging

  • May be slightly more expensive than the Redmi 9A
  • Camera performance likely similar to the Redmi 9A
  • Still limited by budget hardware

Display Comparison

The Samsung Galaxy A03s boasts a measurable peak brightness of 488 nits, a significant advantage over the Redmi 9A, which lacks published brightness data but is expected to be lower given its market positioning. Both displays share a 1718:1 contrast ratio, suggesting similar color reproduction capabilities. However, the A03s’ higher brightness translates to better outdoor visibility, a crucial factor for users frequently exposed to sunlight. The Redmi 9A’s display size is not specified, but typically phones in this segment prioritize maximizing screen real estate within a compact form factor.

Camera Comparison

Both devices are listed as having 'Photo / Video' capabilities, but detailed camera specifications are absent. In this price range, image quality is heavily reliant on software processing rather than sensor size or lens quality. It’s safe to assume both phones feature a primary camera and potentially a depth sensor, but expecting flagship-level performance is unrealistic. The inclusion of a 2MP macro camera on either device is largely a marketing tactic, offering minimal practical benefit due to the low resolution and lack of optical image stabilization.

Performance

The core difference lies in the chipsets: the Redmi 9A utilizes the Mediatek Helio G25, while the Galaxy A03s features the Helio P35. The P35, with its 4x2.35 GHz Cortex-A53 cores, offers a clock speed advantage over the G25’s 4x2.0 GHz cores. While both are octa-core designs utilizing the Cortex-A53 architecture, the higher clock speed of the P35 translates to faster app loading times and smoother multitasking. Both phones likely feature limited RAM configurations, further emphasizing the importance of the chipset’s efficiency. Thermal management is unlikely to be a concern on either device given the relatively low power draw of these processors.

Battery Life

Both the Redmi 9A and Galaxy A03s achieve an endurance rating of 122 hours, indicating comparable battery life under similar usage conditions. However, the Galaxy A03s supports 15W wired charging, a step up from the Redmi 9A’s 10W charging. This faster charging speed translates to a quicker turnaround time from 0-100%, a significant convenience for users who frequently need to top up their battery throughout the day. While battery capacity isn’t specified, the A03s’ faster charging suggests a more efficient power delivery system.

Buying Guide

Buy the Xiaomi Redmi 9A if your primary need is a basic, functional phone for calls, texts, and light app usage, and you prioritize absolute affordability. Buy the Samsung Galaxy A03s if you value a slightly more responsive user experience, a brighter and more visible display, and faster charging, even if it means spending a little more upfront.

Frequently Asked Questions

❓ Will the Helio P35 in the Galaxy A03s handle basic games like PUBG Mobile?
The Helio P35 can run PUBG Mobile, but expect to play at the lowest graphics settings and potentially experience frame drops during intense action. It's not a gaming-focused chipset, but it's capable of handling less demanding titles without issue.
❓ How long will the battery realistically last on the Redmi 9A with moderate use?
With moderate use – including calls, texts, social media, and occasional web browsing – the Redmi 9A’s battery should comfortably last a full day. The 122-hour endurance rating suggests it can stretch to two days with very light usage.
❓ Is the 10W charging on the Redmi 9A significantly slower than the 15W on the A03s?
Yes, the difference is noticeable. 10W charging will take considerably longer to fully charge the Redmi 9A, potentially requiring several hours from a near-empty state. The 15W charging on the A03s offers a more convenient charging experience.
❓ Do either of these phones have a fingerprint sensor?
Neither the Xiaomi Redmi 9A nor the Samsung Galaxy A03s include a fingerprint sensor. Both rely on traditional PIN or pattern unlock methods for security.