PhoneLifespan

Poco C85 vs Redmi 15C 4G

vs

Winner

Xiaomi Redmi 15C 4G

Lifespan decides this one: the Redmi 15C 4G is supported until Aug 2031 at $1.91 per month of safe use, while the Poco C85 runs out in Sep 2028 ($4.37/month). On a which-lasts-longer question, that's not a tie β€” it's the whole answer.

Value Score: Poco C85 71 Β· Redmi 15C 4G 82 β€” methodology

Who should pick which

Beyond the scores β€” our take on each phone and the buyer it actually suits.

Xiaomi Poco C85

An ultra-budget big-screen phone with a 6000mAh battery and a headphone jack, with estimated support to 2028.

Pick it if

  • βœ“ First smartphone buyers
  • βœ“ Tight budgets

Skip it if

  • βœ— You need 5G
  • βœ— Performance seekers
Xiaomi Redmi 15C 4G

An ultra-affordable big-screen phone whose standout feature is Xiaomi's new long-support policy, giving even this entry model years of patches most cheap phones never see.

Pick it if

  • βœ“ The tightest budgets that still want years of security updates
  • βœ“ First phones, kids or backup devices needing a big battery and screen
  • βœ“ Buyers in regions where 4G is still the norm

Skip it if

  • βœ— You want a sharp high-resolution display or 5G
  • βœ— You need fast performance for demanding apps or games

The lifespan decider

When specs are close, support length decides it β€” this is what each phone costs per month of safe use.

Xiaomi Poco C85 $110
Buy with care$4.37/mo
2025β—† Buy-by Sep 20262028
Xiaomi Redmi 15C 4G $115
Safe to buy$1.91/mo
2025β—† Buy-by Aug 20292031

Category by category

Display
Poco C85 70Redmi 15C 4G 70

Both displays are effectively the same class.

Performance
Poco C85 39Redmi 15C 4G 39

Performance is a wash β€” same chip tier.

Camera
Poco C85 55Redmi 15C 4G 55

Camera systems are comparable on paper β€” pick by sample photos.

Battery
Poco C85 100Redmi 15C 4G 100

Battery capacities are close enough not to decide this.

Software longevity
Poco C85 30Redmi 15C 4G 72

The Redmi 15C 4G is supported until Aug 2031 β€” 35 months longer than the Poco C85.

Value
Poco C85 71Redmi 15C 4G 82

Overall value goes to the Redmi 15C 4G at $1.91 per month of safe use.

Frequently asked

Does the Poco C85 have a headphone jack?

Yes, it retains a 3.5mm headphone jack along with NFC and a side fingerprint sensor.

What is the screen resolution?

It uses a 6.9-inch LCD at HD+ (720p-class) with a 120Hz refresh rate.

When will the Redmi 15C 4G stop getting security updates?

Under Xiaomi's expanded budget policy the Redmi 15C is set to receive four Android-based upgrades and around six years of security maintenance, so from its August 2025 launch it should be patched into 2031. It is already confirmed eligible for HyperOS 3 with Android 16 and future HyperOS 4. For a phone that often sells for barely over $100, that is an exceptionally long safe-to-use window.

Is the Redmi 15C 4G worth buying in 2026?

It is a sensible pick for anyone who needs the cheapest possible phone that will still be secure for years. The roughly $129 price across six supported years works out to under $2 a month, and the big battery, large screen and expandable storage cover the basics. The compromises are real, an HD+ LCD, 4G only and a slow chip, so it suits light users rather than anyone wanting speed or a sharp display.

Full spec table
SpecPoco C85Redmi 15C 4G
Price (street)$110$115
Display6.9-inch IPS LCD, HD+, 120Hz, 810 nits peak6.9-inch IPS LCD, HD+ (720 x 1600), 120Hz, Gorilla Glass 3
ChipsetMediaTek Helio G81-UltraMediaTek Helio G81 Ultra (12nm)
RAM6GB/8GB4GB/6GB/8GB
Storage128GB/256GB128GB/256GB
Battery6,000 mAh6,000 mAh
Charging33W wired33W wired
Rear cameras50MP main50MP main (f/1.8, PDAF)
Dimensions171.6 Γ— 79.5 Γ— 8.0 mm171.6 x 79.5 x 8 mm
Weight205 g205 g
Water resistanceIP64IP64
Supported untilSep 2028Aug 2031

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Scores and verdicts are computed from our verified database β€” see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.