Xiaomi Redmi 9 Activ vs. Realme Narzo 20A: A Deep Dive into Budget Smartphone Performance

The Xiaomi Redmi 9 Activ and Realme Narzo 20A represent the fiercely competitive sub-$150 smartphone market. Both aim to deliver essential features at an accessible price, but they take different approaches to achieving this. The key differentiator lies in their chipsets: MediaTek’s Helio G35 in the Redmi 9 Activ versus Qualcomm’s Snapdragon 665 in the Narzo 20A. This comparison will dissect these differences and determine which device offers the best value for your money.
Phones Images

🏆 Quick Verdict

For the average user prioritizing consistent performance and a slightly more refined software experience, the Realme Narzo 20A emerges as the better choice. While both phones offer 10W charging and similar battery capacities, the Snapdragon 665’s more efficient 11nm process and superior CPU architecture translate to smoother multitasking and a more responsive user interface.

PHONES
Phone Names Xiaomi Redmi 9 Activ Realme Narzo 20A
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, 8, 38, 40, 41
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
Launch
Announced2021, September 242020, September 21. Released 2020, September 30
StatusAvailable. Released 2021, September 24Discontinued
Body
Dimensions164.9 x 77.1 x 9 mm (6.49 x 3.04 x 0.35 in)164.4 x 75.4 x 8.9 mm (6.47 x 2.97 x 0.35 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight194 g (6.84 oz)195 g (6.88 oz)
Display
Protection-Corning Gorilla Glass 3
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 (~82.3% screen-to-body ratio)
TypeIPS LCD, 400 nits (typ)IPS LCD, 480 nits (peak)
Platform
CPUOcta-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
ChipsetMediatek MT6765G Helio G35 (12 nm)Qualcomm SDM665 Snapdragon 665 (11 nm)
GPUPowerVR GE8320Adreno 610
OSAndroid 10, MIUI 12Android 10, Realme UI
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal64GB 4GB RAM, 128GB 6GB RAM32GB 3GB RAM, 64GB 4GB RAM
 -eMMC 5.1
Main Camera
Dual13 MP, f/2.2, (wide), PDAF Auxiliary lens-
FeaturesLED flash, HDRLED flash, HDR, panorama
Single5 MP, f/2.2, (wide), 1.12µm-
Triple-12 MP, f/1.8, 28mm (wide), 1/2.8", 1.25µm, PDAF Auxiliary lens
Video1080p@30fps4K@30fps, 1080p@30fps, 480p@120fps
Selfie camera
FeaturesHDRHDR, panorama
Single5 MP, f/2.2, (wide), 1.12µm8 MP, f/2.0, 26mm (wide), 1/4.0", 1.12µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE4.2, A2DP
NFCNoNo
PositioningGPS, GLONASS, BDSGPS, GLONASS
RadioFM radioFM radio
USBmicroUSB 2.0, OTGmicroUSB 2.0, OTG
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 (rear-mounted), accelerometer, proximity, compass
Battery
Charging10W wired10W wired
TypeLi-Po 5000 mAh5000 mAh
Misc
ColorsCarbon Black, Coral Green, Metallic PurpleGlory Silver, Victory Blue
Models-RMX2050
PriceAbout 110 EURAbout 100 EUR
SAR0.51 W/kg (head)     0.83 W/kg (body)1.18 W/kg (head)     0.63 W/kg (body)

Xiaomi Redmi 9 Activ

  • Potentially lower price point
  • Reliable for basic tasks
  • Large community support (Xiaomi)

  • Less powerful chipset (Helio G35)
  • Less efficient processor
  • Potentially slower software updates

Realme Narzo 20A

  • More powerful and efficient chipset (Snapdragon 665)
  • Smoother multitasking experience
  • Better gaming performance (for the price)

  • May be slightly more expensive
  • Realme UI can be divisive
  • 10W charging is slow

Display Comparison

Neither device boasts a standout display. Both likely feature LCD panels, typical for this price bracket. However, the lack of specific display specs (resolution, brightness) necessitates a focus on the chipset’s impact on UI smoothness. A more powerful chipset like the Snapdragon 665 will contribute to a more fluid scrolling experience, even on a basic LCD panel.

Camera Comparison

Without detailed camera specs beyond the presence of cameras, a direct comparison is difficult. However, the chipset plays a role in image processing speed. The Snapdragon 665’s ISP (Image Signal Processor) is generally more capable than the Helio G35’s, leading to faster image capture and potentially better image quality, especially in low-light conditions. The prevalence of 2MP macro/depth sensors on both devices suggests these are largely marketing features and shouldn't be a primary consideration.

Performance

The core difference lies in the chipsets. The Realme Narzo 20A’s Snapdragon 665, built on an 11nm process, offers a significant advantage over the Redmi 9 Activ’s MediaTek Helio G35 (12nm). While both are octa-core CPUs, the Snapdragon 665 utilizes Qualcomm’s Kryo cores – 4x2.0 GHz Gold and 4x1.8 GHz Silver – which are architecturally more advanced than the Cortex-A53 cores in the Helio G35 (4x2.3 GHz & 4x1.8 GHz). This translates to better single-core performance and improved efficiency. The 11nm process further enhances efficiency, meaning the Narzo 20A is less likely to throttle under sustained load. Gamers will find the Snapdragon 665 capable of handling less demanding titles at medium settings, while the Helio G35 will struggle with anything beyond basic games.

Battery Life

Both phones feature 10W wired charging, indicating similar charging speeds. While battery capacity isn't specified, both likely house around a 5000mAh battery, standard for this segment. The Snapdragon 665’s superior power efficiency will likely result in slightly longer battery life on the Narzo 20A, despite similar capacity, as it consumes less power during typical usage.

Buying Guide

Buy the Xiaomi Redmi 9 Activ if you need a phone primarily for basic tasks like calls, messaging, and light social media use, and are extremely budget-constrained. Its lower price point makes it appealing for first-time smartphone users or as a reliable backup device. Buy the Realme Narzo 20A if you prefer a phone capable of handling moderate multitasking, occasional gaming, and benefit from Qualcomm’s generally more optimized software support and slightly better overall performance.

Frequently Asked Questions

❓ Will the Redmi 9 Activ struggle with popular apps like WhatsApp and Facebook?
While the Redmi 9 Activ can run these apps, expect occasional lag and slowdowns when multitasking or using them heavily. The Helio G35 is designed for basic tasks, and these apps can become demanding with frequent updates and features.
❓ Can the Realme Narzo 20A handle games like PUBG Mobile or Call of Duty Mobile?
The Narzo 20A can run PUBG Mobile and Call of Duty Mobile, but you’ll need to lower the graphics settings to medium or low and accept occasional frame drops. It’s not a gaming powerhouse, but it offers a playable experience for casual gamers.
❓ How long will it take to fully charge either phone with the 10W charger?
Expect a full charge to take approximately 3-4 hours with the included 10W charger. 10W charging is a slow standard, and these phones don't support faster charging protocols.
❓ Which phone is likely to receive more software updates?
Realme generally provides more consistent software updates and security patches compared to Xiaomi for their budget devices. While neither guarantees long-term support, the Narzo 20A is likely to receive updates for a longer period.