Poco C85 vs Redmi 15 4G
Winner
Xiaomi Redmi 15 4G
Lifespan decides this one: the Redmi 15 4G is supported until Aug 2029 at $3.32 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 — it's the whole answer.
Value Score: Poco C85 71 · Redmi 15 4G 75 — methodology
Who should pick which
Beyond the scores — our take on each phone and the buyer it actually suits.
An ultra-budget big-screen phone with a 6000mAh battery and a headphone jack, with estimated support to 2028.
Pick it if
- ✓ First smartphone buyers
- ✓ Tight budgets
Skip it if
- ✗ You need 5G
- ✗ Performance seekers
A 7000mAh budget giant whose security cover runs only to August 2029, so buy it for battery life rather than longevity.
Pick it if
- ✓ Battery-life obsessives
- ✓ Big-screen media and reading
- ✓ Tight budgets
Skip it if
- ✗ You need 5G
- ✗ You want a light phone
The lifespan decider
When specs are close, support length decides it — this is what each phone costs per month of safe use.
Category by category
Both displays are effectively the same class.
Performance is a wash — same chip tier.
Camera systems are comparable on paper — pick by sample photos.
Battery capacities are close enough not to decide this.
The Redmi 15 4G is supported until Aug 2029 — 11 months longer than the Poco C85.
Overall value goes to the Redmi 15 4G at $3.32 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.
Is the Redmi 15 4G still supported?
Yes. It launched on 1 August 2025 with Android 15 and HyperOS 2, and Xiaomi's published policy covers security patches through August 2029. It sits comfortably inside its support window in 2026.
How long will the Redmi 15 4G get updates?
Xiaomi commits to two major Android upgrades, taking it as far as Android 17, plus four years of security patches that lapse around August 2029. That is about two years shorter than Samsung offers at a similar price.
Full spec table
| Spec | Poco C85 | Redmi 15 4G |
|---|---|---|
| Price (street) | $110 | $120 |
| Display | 6.9-inch IPS LCD, HD+, 120Hz, 810 nits peak | 6.9-inch IPS LCD, FHD+ (1080 x 2340), 144Hz |
| Chipset | MediaTek Helio G81-Ultra | Qualcomm Snapdragon 685 (6nm) |
| RAM | 6GB/8GB | 4GB/6GB/8GB |
| Storage | 128GB/256GB | 128GB/256GB |
| Battery | 6,000 mAh | 7,000 mAh |
| Charging | 33W wired | 33W wired |
| Rear cameras | 50MP main | 50MP main, 2MP depth |
| Dimensions | 171.6 × 79.5 × 8.0 mm | 171.1 × 82.1 × 8.6 mm |
| Weight | 205 g | 224 g |
| Water resistance | IP64 | IP64 |
| Supported until | Sep 2028 | Aug 2029 |
More comparisons
Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.