Realme C21Y vs Realme C33 2023: A Detailed Comparison

Looking for an affordable smartphone that doesn't compromise too much? The Realme C21Y and the newer Realme C33 2023 are both contenders in the budget segment. But which one offers the best value for your money? Let's dive into a detailed comparison.
Phones Images

🏆 Quick Verdict

The Realme C33 2023 edges out the C21Y thanks to its slightly improved chipset and potentially better camera capabilities (though both are budget-focused). However, the C21Y's reverse charging feature is a unique selling point. Ultimately, the C33 2023 provides a more modern experience.

PHONES
Phone Names Realme C21Y Realme C33 2023
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 212023, March 14
StatusAvailable. Released 2021, July 02Available. Released 2023, March 14
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 8.3 mm (6.46 x 2.98 x 0.33 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight200 g (7.05 oz)187 g (6.60 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, 400 nits (typ)
Platform
CPUOcta-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
ChipsetUnisoc T610 (12 nm)Unisoc Tiger T612 (12 nm)
GPUMali-G52 MP2Mali-G57
OSAndroid 10/ Android 11Android 12, Realme UI S
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal32GB 3GB RAM, 64GB 4GB RAM64GB 4GB RAM, 128GB 4GB RAM
 eMMC 5.1UFS 2.2
Main Camera
Dual13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, PDAF 2 MP (macro) Auxiliary lens50 MP, (wide), PDAF Auxiliary lens
FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Single5 MP, f/2.2, (wide), 1/5.0", 1.12µm5 MP, f/2.2, 27mm (wide), 1/5.0", 1.12µm
Video1080p@30fps1080p@30fps
Selfie camera
FeaturesHDR, panoramaHDR
Single5 MP, f/2.2, (wide), 1/5.0", 1.12µm5 MP, f/2.2, 27mm (wide), 1/5.0", 1.12µm
Video1080p@30fps720p@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
RadioUnspecifiedUnspecified
USBmicroUSB 2.0, OTGmicroUSB 2.0
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 BlueSandy Gold, Aqua Blue, Night Sea
ModelsRMX3261, RMX3263RMX3627
PriceAbout 130 EURAbout 110 EUR

Realme C21Y

  • Reverse wired charging
  • Affordable price
  • Decent battery life
  • Reliable performance for basic tasks

  • Older chipset
  • Limited camera capabilities
  • HD+ display quality
  • Slower charging speed

Realme C33 2023

  • Slightly improved chipset (T612)
  • Potentially better camera (50MP main)
  • Modern design
  • Good battery life

  • Still a budget phone
  • Limited performance for demanding games
  • 10W charging speed
  • HD+ display quality

Display Comparison

Both phones likely feature similar LCD displays, probably around 6.5 inches with an HD+ resolution. Expect decent viewing angles but limited color accuracy. The C33 2023 might have a slightly brighter display, but this is not confirmed without specific testing.

Camera Comparison

The C21Y typically features a 13MP main camera, while the C33 2023 may have a slightly improved 50MP main camera. Both likely include macro and depth sensors. Image quality will be adequate for casual snapshots in good lighting, but low-light performance will be limited. The C33 2023's higher resolution sensor *could* offer slightly more detail.

Performance

While both utilize Unisoc chipsets with the same core configuration, the Tiger T612 in the C33 2023 is generally considered a minor upgrade over the T610. This translates to slightly smoother multitasking and potentially better gaming performance, though neither phone is a powerhouse.

Battery Life

Both phones likely pack a 5000mAh battery, offering all-day battery life for moderate users. The C21Y has reverse wired charging, which is a useful feature for topping up other devices. The C33 2023 has 10W charging, which is standard for this price range.

Buying Guide

The Realme C21Y is a good choice for users prioritizing reverse charging and a slightly lower price point. The Realme C33 2023 is better suited for those seeking a slightly more powerful processor and potentially improved camera performance, even within the budget category.

Frequently Asked Questions

❓ Is the Realme C33 2023 worth the upgrade from the C21Y?
If you prioritize slightly better performance and a potentially improved camera, then yes. However, the C21Y's reverse charging is a unique feature to consider.
❓ What kind of games can I play on these phones?
Both phones are best suited for casual games and less demanding titles. Don't expect to run high-end games smoothly.