Xiaomi Redmi 9 Activ vs Samsung Galaxy A12 (India): Which Budget Champion Reigns Supreme?

The sub-₹10,000 (approximately $120 USD) smartphone segment in India is fiercely competitive. Both the Xiaomi Redmi 9 Activ and the Samsung Galaxy A12 aim to deliver essential smartphone functionality at an accessible price. However, they take different approaches, with Xiaomi prioritizing a slightly more gaming-focused chipset and Samsung opting for a more efficient processor. This comparison dissects the key differences to determine which device offers the best value.
Phones Images

🏆 Quick Verdict

For the average user prioritizing consistent performance and slightly faster charging, the Samsung Galaxy A12 (India) emerges as the better choice. Its Exynos 850 chipset, built on a more efficient 8nm process, provides a smoother experience for everyday tasks and better long-term thermal management, despite the Redmi 9 Activ's gaming-centric branding.

PHONES
Phone Names Xiaomi Redmi 9 Activ Samsung Galaxy A12 (India)
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 2100
4G bands1, 3, 5, 8, 40, 411, 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
Launch
Announced2021, September 242021, August 12
StatusAvailable. Released 2021, September 24Available. Released 2021, August 12
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 x 75.8 x 8.9 mm (6.46 x 2.98 x 0.35 in)
SIMNano-SIM + Nano-SIM· Nano-SIM· Nano-SIM + Nano-SIM
Weight194 g (6.84 oz)205 g (7.23 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 (~82.1% screen-to-body ratio)
TypeIPS LCD, 400 nits (typ)PLS LCD
Platform
CPUOcta-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)Octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55)
ChipsetMediatek MT6765G Helio G35 (12 nm)Exynos 850 (8 nm)
GPUPowerVR GE8320Mali-G52
OSAndroid 10, MIUI 12Android 11, upgradable to Android 13, One UI 5.1
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal64GB 4GB RAM, 128GB 6GB RAM64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
 -eMMC 5.1
Main Camera
Dual13 MP, f/2.2, (wide), PDAF Auxiliary lens-
FeaturesLED flash, HDRLED flash, panorama, HDR
Quad-48 MP, f/2.0, 26mm (wide), AF 5 MP, f/2.2, 123˚ (ultrawide) 2 MP (macro) Auxiliary lens
Single5 MP, f/2.2, (wide), 1.12µm-
Video1080p@30fps1080p@30fps
Selfie camera
FeaturesHDR-
Single5 MP, f/2.2, (wide), 1.12µm8 MP, f/2.2
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
NFCNoNo
PositioningGPS, GLONASS, BDSGPS, GLONASS, GALILEO, BDS
RadioFM radioFM radio, RDS, recording
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
SensorsFingerprint (rear-mounted), accelerometer, proximityFingerprint (side-mounted), accelerometer
 -Virtual proximity sensing
Battery
Charging10W wired15W wired
TypeLi-Po 5000 mAhLi-Po 5000 mAh
Misc
ColorsCarbon Black, Coral Green, Metallic PurpleBlack, Blue, White
Models-SM-A127F, SM-A127F/DS
PriceAbout 110 EURAbout 160 EUR
SAR0.51 W/kg (head)     0.83 W/kg (body)0.79 W/kg (head)

Xiaomi Redmi 9 Activ

  • Potentially slightly better gaming performance in less demanding titles.
  • Lower upfront cost (likely).
  • Xiaomi’s MIUI offers extensive customization options.

  • Less efficient Helio G35 chipset.
  • Slower 10W charging.
  • Older Cortex-A53 CPU cores.

Samsung Galaxy A12 (India)

  • More efficient Exynos 850 chipset (8nm).
  • Faster 15W charging.
  • Modern Cortex-A55 CPU cores.
  • Samsung’s One UI offers a cleaner software experience.

  • May be slightly more expensive.
  • Gaming performance isn’t significantly higher than the Redmi 9 Activ.

Display Comparison

Neither device boasts a standout display. Both likely feature LCD panels, a common trait in this price bracket. However, the core difference lies in the underlying architecture impacting efficiency. While specific display specs (resolution, brightness) are missing, the Exynos 850’s more efficient manufacturing process likely translates to slightly better power management even during display-intensive tasks. Bezels are expected to be substantial on both, reflecting their budget positioning.

Camera Comparison

Camera performance is likely to be similar, with both phones relying on budget sensors. Without specific sensor details, it’s safe to assume both will struggle in low-light conditions. The inclusion of a 2MP macro camera on both devices is largely a marketing tactic, offering limited practical benefit due to the low resolution and lack of autofocus. Image processing will likely favor Samsung’s typically vibrant and saturated style, while Xiaomi often aims for a more natural look. The Exynos 850’s ISP (Image Signal Processor) may offer slightly better noise reduction capabilities.

Performance

The performance gap is the most significant differentiator. The Samsung Galaxy A12’s Exynos 850 (8nm) is a clear upgrade over the Xiaomi Redmi 9 Activ’s MediaTek Helio G35 (12nm). The 8nm process allows for greater transistor density and improved power efficiency, meaning the Exynos 850 can sustain higher performance for longer periods without overheating. While both CPUs are octa-core, the Cortex-A55 cores in the Exynos 850 are more modern and efficient than the Cortex-A53 cores in the Helio G35. This translates to snappier app launches and smoother multitasking. The Helio G35’s focus is on providing a baseline gaming experience, but it will struggle with demanding titles.

Battery Life

Both phones offer adequate battery life for a full day of moderate use. The Redmi 9 Activ’s 10W charging is noticeably slower than the Galaxy A12’s 15W charging. While battery capacity isn’t specified, the Exynos 850’s superior power efficiency means the Galaxy A12 will likely achieve comparable or even better battery life despite potentially having a similar or slightly smaller battery. The faster charging on the Galaxy A12 is a significant convenience factor.

Buying Guide

Buy the Xiaomi Redmi 9 Activ if you primarily need a phone for very casual gaming and prioritize a slightly lower upfront cost. Its Helio G35 chipset offers a modest performance boost in some gaming scenarios. Buy the Samsung Galaxy A12 (India) if you value a more balanced experience with better overall performance, more efficient power consumption, and faster 15W charging, making it ideal for daily use and media consumption.

Frequently Asked Questions

❓ Does the Exynos 850 in the Galaxy A12 tend to overheat during prolonged use, like gaming?
The Exynos 850 is built on an 8nm process, which is significantly more efficient than the 12nm Helio G35 in the Redmi 9 Activ. This means it generates less heat under load, reducing the likelihood of thermal throttling during gaming or other demanding tasks. While it won't deliver flagship-level gaming performance, it will maintain consistent performance for longer periods.
❓ Is the 2MP macro camera on either phone actually useful for taking detailed close-up photos?
Unfortunately, the 2MP macro cameras on both the Redmi 9 Activ and Galaxy A12 are largely marketing features. The low resolution and lack of autofocus result in images that are often blurry and lack detail. They are unlikely to provide a significant improvement over using the main camera in standard photo mode.
❓ Can the Samsung Galaxy A12 (India) handle games like PUBG Mobile at acceptable frame rates?
The Galaxy A12 can run PUBG Mobile, but you'll likely need to lower the graphics settings to medium or low and the frame rate to 30fps for a smooth experience. The Exynos 850 isn't a gaming powerhouse, but it's capable of handling less demanding titles without issue. Expect some occasional frame drops during intense firefights.
❓ Which phone is better for watching videos and streaming content?
The Samsung Galaxy A12 (India) is slightly better suited for video consumption due to the more efficient Exynos 850 chipset. This translates to longer battery life while streaming and potentially less heat buildup. While both phones likely have similar display quality, the smoother performance of the Exynos 850 will contribute to a more enjoyable viewing experience.