Realme C21Y vs Realme C30s: A Detailed Comparison

Looking for an affordable smartphone that doesn't compromise too much? The Realme C21Y and C30s are both contenders in the budget segment, but they offer different strengths. This comprehensive comparison will help you decide which one is the right fit for you.
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🏆 Quick Verdict

The Realme C21Y edges out the C30s thanks to its more powerful chipset and reverse charging. While the C30s boasts a slightly more modern design and potentially better software experience, the C21Y's performance advantage makes it the overall winner for most users.

PHONES
Phone Names Realme C21Y Realme C30s
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 2100
4G bands1, 3, 5, 8, 38, 40, 411, 3, 5, 8, 38, 40, 41
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
Launch
Announced2021, June 212022, September 14
StatusAvailable. Released 2021, July 02Available. Released 2022, September 23
Body
BuildGlass front, plastic back, plastic frameGlass front, plastic frame, plastic back
Dimensions164.5 x 76 x 9.1 mm (6.48 x 2.99 x 0.36 in)164.2 x 75.7 x 8.5 mm (6.46 x 2.98 x 0.33 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight200 g (7.05 oz)186 g (6.56 oz)
Display
Resolution720 x 1600 pixels, 20:9 ratio (~270 ppi density)720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Size6.5 inches, 102.0 cm2 (~81.6% screen-to-body ratio)6.5 inches, 102.0 cm2 (~82.1% screen-to-body ratio)
TypeIPS LCD, 400 nits (typ)IPS LCD
Platform
CPUOcta-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)Octa-core 1.6 GHz Cortex-A55
ChipsetUnisoc T610 (12 nm)-
GPUMali-G52 MP2IMG8322
OSAndroid 10/ Android 11Android 12, Realme UI Go
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal32GB 3GB RAM, 64GB 4GB RAM32GB 2GB RAM, 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
 eMMC 5.1-
Main Camera
Dual13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, PDAF 2 MP (macro) Auxiliary lens-
FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Single5 MP, f/2.2, (wide), 1/5.0", 1.12µm8 MP, (wide), 1/4.0", 1.12µm
Video1080p@30fps1080p@30fps
Selfie camera
FeaturesHDR, panoramaHDR
Single5 MP, f/2.2, (wide), 1/5.0", 1.12µm5 MP, (wide), 1/5.0", 1.12µm
Video1080p@30fps720p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE4.2, A2DP
NFCNoNo
PositioningGPS, GLONASS, BDSGPS, GLONASS
RadioUnspecifiedUnspecified
USBmicroUSB 2.0, OTGmicroUSB 2.0, OTG
WLANWi-Fi 802.11 b/g/nWi-Fi 802.11 b/g/n
Features
SensorsFingerprint (rear-mounted), accelerometer, proximity, compassFingerprint (side-mounted), accelerometer, proximity
Battery
ChargingReverse wired10W wired
Type5000 mAh5000 mAh
Misc
ColorsCross Black, Cross BlueStripe Blue, Stripe Black
ModelsRMX3261, RMX3263RMX3690
PriceAbout 130 EURAbout 100 EUR

Realme C21Y

  • More powerful chipset
  • Reverse wired charging
  • Triple camera system
  • Generally better performance

  • Potentially older design
  • May have more pre-installed apps

Realme C30s

  • Potentially more modern design
  • Possibly cleaner software
  • Higher resolution main camera (50MP)

  • Less powerful chipset
  • No reverse charging
  • Single camera setup

Display Comparison

Both phones feature a 6.5-inch display, likely with an HD+ resolution. The C30s might have a slightly more modern panel with better color accuracy, but both are adequate for everyday use. Expect similar viewing experiences.

Camera Comparison

The C21Y typically features a triple camera setup (13MP main + 2MP macro + 2MP depth), while the C30s often has a single 50MP main camera. While megapixels aren't everything, the C21Y's additional lenses offer more versatility. Image quality will depend on software processing, but the C30s' higher resolution sensor *could* offer slightly more detail in good lighting.

Performance

The Realme C21Y's Unisoc T610 chipset with Cortex-A75 cores provides a noticeable performance boost over the C30s' Cortex-A55-only CPU. Expect smoother multitasking and better gaming performance on the C21Y. The C30s will handle basic tasks adequately.

Battery Life

Both phones likely have a 5000mAh battery, offering all-day battery life. The C21Y's reverse charging capability is a unique advantage, allowing it to act as a power bank for other devices.

Buying Guide

Who should buy the Realme C21Y? Users prioritizing performance and features like reverse charging. Who should buy the Realme C30s? Those seeking a more stylish design and potentially a cleaner software experience, and who don't heavily rely on demanding apps.

Frequently Asked Questions

❓ Which phone is better for gaming?
The Realme C21Y is significantly better for gaming due to its more powerful chipset with Cortex-A75 cores.
❓ Can the Realme C21Y charge other devices?
Yes, the Realme C21Y features reverse wired charging, allowing it to charge other devices with a USB cable.
❓ Which phone has the better design?
The Realme C30s likely has a more modern and stylish design, although this is subjective.
❓ What is the difference in software experience?
The Realme C30s might offer a slightly cleaner software experience with fewer pre-installed apps, but both run Realme UI.