Xiaomi Redmi 9 Activ vs. Realme C15 Qualcomm: A Deep Dive into Budget Smartphone Performance

The sub-$150 smartphone market is fiercely competitive. Both the Xiaomi Redmi 9 Activ and the Realme C15 Qualcomm Edition aim to deliver essential smartphone functionality at an accessible price. However, they take different approaches, with Xiaomi opting for a MediaTek Helio G35 chipset and Realme choosing Qualcomm’s Snapdragon 460. 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 faster charging, the Realme C15 Qualcomm Edition is the better choice. Its Snapdragon 460, built on an 11nm process, offers a more efficient and generally smoother experience than the Redmi 9 Activ’s Helio G35, despite the latter’s slightly higher clocked cores. The 18W charging is a significant advantage.

PHONES
Phone Names Xiaomi Redmi 9 Activ Realme C15 Qualcomm Edition
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, October 28. Released 2020, October 29
StatusAvailable. Released 2021, September 24Discontinued
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)164.5 x 75.9 x 9.8 mm (6.48 x 2.99 x 0.39 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight194 g (6.84 oz)209 g (7.37 oz)
Display
Protection-Corning Gorilla Glass
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 (~81.7% screen-to-body ratio)
TypeIPS LCD, 400 nits (typ)IPS LCD, 480 nits (typ), 600 nits (peak)
Platform
CPUOcta-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)Octa-core (4x1.8 GHz Kryo 240 & 4x1.6 GHz Kryo 240)
ChipsetMediatek MT6765G Helio G35 (12 nm)Qualcomm SM4250 Snapdragon 460 (11 nm)
GPUPowerVR GE8320Adreno 610
OSAndroid 10, MIUI 12Android 10, upgradable to Android 11, Realme UI 2.0
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal64GB 4GB RAM, 128GB 6GB RAM32GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM
 -eMMC 5.1
Main Camera
Dual13 MP, f/2.2, (wide), PDAF Auxiliary lens-
FeaturesLED flash, HDRLED flash, HDR, panorama
Quad-13 MP, f/2.2, (wide), PDAF 8 MP, f/2.3, 119˚ (ultrawide) 2 MP B/W, f/2.4 2 MP, f/2.4
Single5 MP, f/2.2, (wide), 1.12µm-
Video1080p@30fps1080p@30fps
Selfie camera
FeaturesHDRHDR, panorama
Single5 MP, f/2.2, (wide), 1.12µm8 MP, f/2.0, (wide)
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE, aptX HD
NFCNoNo
PositioningGPS, GLONASS, BDSGPS, GLONASS, BDS
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
Features
SensorsFingerprint (rear-mounted), accelerometer, proximityFingerprint (rear-mounted), accelerometer, proximity, compass
Battery
Charging10W wired18W wired
TypeLi-Po 5000 mAh6000 mAh
Misc
ColorsCarbon Black, Coral Green, Metallic PurplePower Silver, Power Blue
Models-RMX2195
PriceAbout 110 EURAbout 110 EUR
SAR0.51 W/kg (head)     0.83 W/kg (body)0.54 W/kg (head)     0.62 W/kg (body)

Xiaomi Redmi 9 Activ

  • Potentially slightly longer battery life due to possible larger battery capacity.
  • Lower price point (likely, depending on retailer).
  • Simple and straightforward user experience.

  • Slower charging speed (10W).
  • Less efficient and potentially less responsive chipset (Helio G35).

Realme C15 Qualcomm Edition

  • Faster charging (18W).
  • More efficient and responsive chipset (Snapdragon 460).
  • Better thermal management for sustained performance.

  • Potentially slightly shorter battery life (depending on battery capacity).
  • May be slightly more expensive than the Redmi 9 Activ.

Display Comparison

Neither device boasts a standout display. Both likely feature LCD panels, typical for this price bracket. The focus here isn't on visual fidelity, but on efficiency. Without specific display specs, we can infer that both prioritize battery life over brightness or color accuracy. Bezels are likely comparable, reflecting the cost-conscious design of both phones.

Camera Comparison

Both phones likely feature a multi-camera setup, but image quality will be heavily dependent on software processing. Without detailed sensor information, it’s difficult to make a definitive statement. However, the Realme C15’s Qualcomm ISP generally offers better image processing capabilities than the MediaTek equivalent found in the Redmi 9 Activ. Expect similar performance in good lighting conditions, but the Realme C15 should perform better in low-light scenarios. The inclusion of a 2MP macro lens on both devices is largely a marketing gimmick and offers limited practical benefit.

Performance

The core difference lies in the chipsets. The Realme C15’s Qualcomm Snapdragon 460 (11nm) benefits from a more modern manufacturing process than the Redmi 9 Activ’s MediaTek Helio G35 (12nm). While the Helio G35 has slightly higher clocked Cortex-A53 cores (2.3GHz vs 1.8GHz), the Snapdragon 460’s Kryo 240 cores, combined with the smaller 11nm node, generally translate to better sustained performance and thermal management. This means the Realme C15 is less likely to throttle under load, offering a more consistent experience during prolonged use. The Snapdragon 460 also has a more modern GPU, providing a slight edge in graphics performance.

Battery Life

Both devices likely feature batteries in the 5000mAh range, common for this segment. However, the Realme C15’s 18W wired charging is a significant advantage over the Redmi 9 Activ’s 10W charging. This translates to a much faster 0-100% charge time, reducing downtime. While the Redmi 9 Activ’s battery capacity might be marginally higher, the faster charging of the Realme C15 effectively mitigates any potential difference in real-world usage.

Buying Guide

Buy the Xiaomi Redmi 9 Activ if you primarily need a phone for very basic tasks like calls, texts, and light social media, and are comfortable with slower charging speeds. Buy the Realme C15 Qualcomm Edition if you want a more responsive experience for everyday use, including occasional gaming, and value the convenience of faster 18W charging. The Realme C15 is better suited for users who anticipate a slightly heavier workload.

Frequently Asked Questions

❓ Will the Snapdragon 460 in the Realme C15 handle popular games like PUBG Mobile?
The Snapdragon 460 can run PUBG Mobile, but expect to play at lower graphics settings (balanced or low) to maintain a stable frame rate. It's not a gaming powerhouse, but it's capable of providing a playable experience for casual gamers. The Helio G35 in the Redmi 9 Activ will likely struggle more with consistent performance in demanding titles.
❓ How much faster is the 18W charging on the Realme C15 compared to the 10W charging on the Redmi 9 Activ?
The 18W charging on the Realme C15 will significantly reduce charging times. While exact figures depend on battery capacity and usage, you can expect a full charge to take approximately 2-3 hours with the Realme C15, compared to 4-5 hours with the Redmi 9 Activ. This difference is particularly noticeable for users who frequently need to top up their battery throughout the day.
❓ Is the difference in chipset performance between the Helio G35 and Snapdragon 460 noticeable in everyday tasks?
Yes, the difference is noticeable. The Snapdragon 460 provides a smoother and more responsive experience when navigating the user interface, opening apps, and multitasking. The Helio G35 may exhibit occasional lag or stuttering, especially when running multiple apps simultaneously.