The cheaper phone in this fight is also the older one, and it’s the only one with 5G. Poco launched the C85 5G in India on December 9, 2025, and as of November 12, 2026, its 4GB/128GB model sells for ₹12,999 (about $139) on Flipkart. Realme’s C100i arrived on August 27, 2026, at ₹14,999 (about $160) for 4GB/64GB, and it still costs that today. That’s an unusual setup for a Poco C85 5G vs Realme C100i comparison. Usually the newer phone justifies its higher price with better hardware. Here, the newer phone wins only a few categories, but they’re ones some buyers care about a lot: battery size, toughness, and newer software. So instead of a round-by-round score, we’ve answered the questions people actually ask before buying a budget phone, using official specs, published lab results, and our own math.
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The Short Answer
Poco C85 5GRealme C100i (India)India launchDecember 9, 2025August 27, 2026Price now₹12,999 (~$139), 4GB/128GB₹14,999 (~$160), 4GB/64GBNetwork5G4G onlyChipMediaTek Dimensity 6300 (6nm)Unisoc T7250 (12nm)Screen6.9-inch HD+ LCD, 120Hz6.8-inch HD+ LCD, 120HzMain camera50MP8MPBattery and charging6,000mAh, 33W6,500mAh, 15WDurabilityIP64IP64, MIL-STD-810H, 2m dropsSoftware at launchAndroid 15, HyperOS 2.2Android 16, Realme UI 6.0
For most people, the Poco C85 5G is the better buy. The Realme C100i makes sense if your phone lives a rough life or you hate charging.
Which Poco C85 and Which C100i? Check Before You Buy
Both names cover more than one phone, which makes shopping confusing.
Poco C85 (4G) is a different model with a slower MediaTek Helio G81 Ultra chip. Make sure the listing says 5G.
Realme C100i (India) has a 6,500mAh battery and a single 4GB/64GB model.
Realme C100i (global) carries a bigger 7,000mAh battery and more memory options, but isn’t sold in India.
In this article, we compare the Indian versions of both, since that’s where they go head to head.
Why Is the Older Phone Cheaper and Faster?
Two reasons, in our view.
First, chip generations. The Poco’s Dimensity 6300 is built on a 6nm process, while Realme’s Unisoc T7250 uses an older 12nm process. A smaller number generally means a chip that does more work per watt, so it runs faster without draining the battery as quickly.
Second, pricing strategy. Poco sells mainly online and prices aggressively to win attention. Realme’s C-series leans on battery size and toughness claims, which cost money to build and test. The C85 5G’s price has crept up since launch, from ₹11,999 to ₹12,999, about 8%, likely because memory chips got more expensive this year. Even so, it’s still cheaper.
Which One Is Faster?
Poco C85 5GRealme C100iChipDimensity 6300, 6nmUnisoc T7250, 12nmFast cores2x Cortex-A76 at 2.4GHz2x Cortex-A75 at 1.8GHzEfficiency cores6x Cortex-A55 at 2.0GHz6x Cortex-A55 at 1.6GHzGraphicsMali-G57 MC2Mali-G57 MP1RAM4GB, 6GB or 8GB LPDDR4X4GB LPDDR4XStorage128GB UFS 2.264GB (UFS 2.2 or eMMC 5.1, sources differ)AnTuTu553,034No independent score foundGeekbench 6 (single/multi)729 / 1,947No independent score found
A chip’s cores are the parts that do the work. Both phones pair two fast cores with six power-saving cores, but Poco’s are better on both counts. Its Cortex-A76 fast cores are a newer design than Realme’s Cortex-A75, and they run about 33% faster by clock speed, by our math. Its efficiency cores run 25% faster too.
Graphics is the other gap. Poco’s Mali-G57 MC2 has two graphics cores, while Realme’s MP1 version has one. That shows up in games, maps, and anything with smooth animations.
Lab benchmarks of the Poco C85 5G put it at 553,034 in AnTuTu, an all-round test, and 729 single-core and 1,947 multi-core in Geekbench 6, which focuses on the processor. We couldn’t find an independent score for the C100i, so we won’t put numbers side by side. Based on the chip designs, we’d expect the Poco to be clearly quicker.
Storage matters more than you’d think. The Realme’s 64GB fills up fast once you add WhatsApp, a few games, and a year of photos. The Poco gives you 128GB, twice the room, and every Poco model uses UFS 2.2, which is faster than the eMMC 5.1 some spec databases list for the C100i.
Our answer: the Poco C85 5G, by a comfortable margin.
Which Screen Is Better?
This one’s close.
Poco C85 5GRealme C100iSize and type6.9-inch IPS LCD6.8-inch IPS LCDResolution720 x 1600 (HD+)720 x 1570 (HD+)Refresh rate120Hz120HzPeak brightness810 nits900 nits
Both are HD+ screens, meaning 720 pixels wide. That’s sharp enough for messaging and video, but text looks softer than on a pricier Full HD+ phone. The Poco has about 2% more pixels and a slightly larger screen, which you won’t notice.
Both refresh at 120Hz, meaning the screen redraws up to 120 times a second, so scrolling looks smooth on either. Realme’s panel is about 11% brighter at peak, which helps a little outdoors.
Our answer: the Realme C100i, narrowly, for brightness. In daily use, most people won’t see a difference.
Which Battery Lasts Longer, and Which Charges Faster?
Poco C85 5GRealme C100i (India)Battery6,000mAh6,500mAhWired charging33W15WWatts per 1,000mAh5.5W2.3WReverse wired charging10WYesLab battery test15 hrs 19 min (PCMark)No independent test foundCharging test20–100% in about 1 hr 7 minNot published
mAh (milliamp-hours) measures how much charge a battery holds. The C100i holds about 8% more than the Poco, and the global C100i would hold about 17% more.
The Poco’s charging is in a different league, though. Its 33W charger is more than twice as powerful as Realme’s 15W. We divided each charger’s power by battery size to compare fairly. The Poco gets about 5.5W per 1,000mAh, while the Realme gets about 2.3W, so the Realme will take much longer to refill from empty. One lab measured the Poco going from 20% to 100% in about 67 minutes.
Our view: the Realme may last a bit longer per charge, especially because its 4G-only modem doesn’t spend power searching for 5G. But the Poco gets you back in action much faster, which matters more if you forget to charge overnight.
Our answer: Draw. Realme for capacity, Poco for charging. Some of the best battery life phones do both, at higher prices.
Which Takes Better Photos?
This is the biggest gap in the comparison.
Poco C85 5G: 50MP main camera with an f/1.8 lens, plus a secondary sensor that Poco doesn’t detail. The selfie camera is 8MP.
Realme C100i: single 8MP rear camera with an f/2.0 lens and a 5MP selfie camera.
By our math, the Poco’s main camera has more than six times the pixels. Its wider f/1.8 opening also lets in more light than Realme’s f/2.0, which helps indoors and at night. Both phones record video at up to 1080p and 30fps, and neither has OIS (optical image stabilization), the tiny motor that steadies the lens.
An 8MP camera is fine for scanning documents and quick photos in daylight. For family pictures, social posts, or video calls, the Poco is the clear pick.
Our answer: the Poco C85 5G, easily.
Which One Survives Drops and Rain Better?
Both phones are rated IP64. An IP rating has two digits: the first for dust, the second for water. A 6 means dust-tight, and a 4 means the phone handles splashes and rain, but not a dunk in the sink.
Realme goes further. The C100i is certified to MIL-STD-810H, a US military testing standard that covers drops, vibration, and temperature changes, and Realme says it survives drops of up to 2 meters. We found no comparable claim for the Poco. That doesn’t mean your screen won’t crack, but it’s a real point in Realme’s favor for kids, older relatives, or anyone who works outdoors.
The Poco is slimmer, at 7.9mm against 8.7mm, so it’s about 9% thinner. Both weigh about the same, at 211g and 210g.
Our answer: the Realme C100i.
Which Gets Updates for Longer?
Poco C85 5GRealme C100iLaunched withAndroid 15, HyperOS 2.2Android 16, Realme UI 6.0Promised Android upgrades2Not publishedPromised security updates4 yearsNot publishedEstimated end of security supportAbout December 2029Unknown
The Realme starts on newer software. But Poco has published a clearer update promise: two Android upgrades and four years of security updates. By our estimate, that takes the C85 5G to Android 17 and keeps security patches coming until about December 2029.
Security updates fix weaknesses that scammers and malware can use, so they matter more than new features on a cheap phone. At today’s price, that’s about ₹3,250 (around $35) per year of promised security support. We couldn’t find any official update policy for the C100i, which makes it a harder phone to recommend for more than two or three years.
Our answer: the Poco C85 5G.
Does 5G Matter at This Price?
It depends on where you live and how long you’ll keep the phone.
5G is the newest generation of mobile networks, and it’s faster than 4G when you have good coverage. In most big Indian cities, 5G coverage is now common. In smaller towns, 4G often still does the job.
The bigger issue is time. If you plan to keep this phone for three to four years, a 5G phone is the safer choice, because networks keep shifting toward 5G. A 4G phone like the India C100i will keep working for calls, WhatsApp, and video, but it won’t get faster as networks improve.
Our view: at a lower price, there’s no reason to skip 5G unless the Realme’s toughness is your top priority.
What Does Each Really Cost?
Poco C85 5GRealme C100i4GB RAM model₹12,999 (~$139), 128GB₹14,999 (~$160), 64GB6GB RAM model₹14,499 (~$155), 128GBNot sold in India8GB RAM model₹15,999 (~$171), 128GBNot sold in IndiaPrice per GB of storage~₹102 (~$1.08)~₹234 (~$2.50)
By our math, the C100i costs about 15% more than the base Poco and gives you half the storage. Per gigabyte, the Realme costs about 2.3 times as much.
The Poco also offers 6GB and 8GB versions, which help if you keep many apps open. Even the 8GB Poco costs only about ₹1,000 more than the 4GB Realme.
Online prices move often, and Amazon listings for the Poco have shown higher prices than Flipkart’s. Check both before you buy.
Our answer: the Poco C85 5G.
So, Which Should You Buy?
QuestionBetter answerFaster?Poco C85 5GBetter screen?Realme C100i (narrowly)Better battery and charging?DrawBetter camera?Poco C85 5GTougher?Realme C100iLonger updates?Poco C85 5GBetter value?Poco C85 5G
Get the Poco C85 5G if you want the best phone for the least money. It’s cheaper, faster, has 5G and twice the storage, takes much better photos, and comes with a clear update promise. For most people, that’s the whole decision.
Get the Realme C100i if the phone is going to someone hard on gadgets, such as a child or an older relative, and they mostly call, message and watch videos. The drop testing and bigger battery make sense there, and the 8MP camera matters less. Just know you’re paying more for less storage and no published update plan.
If neither fits, there are other best budget phones under ₹20,000 worth a look, and the Realme faces a camera-first rival in the Realme C100i vs Moto G17 matchup.
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The bottom line: being newer doesn’t make the C100i better. Nine months after launch, the Poco C85 5G is still the smarter buy for almost everyone.
FAQs
Is 4GB of RAM enough in 2026?
For calls, messaging, social media, and video, yes. Where you’ll notice the limit is when switching between many apps, since the phone may reload ones it closed in the background. If you keep lots of apps open or play games, a 6GB or 8GB model is worth the small extra cost.
What should I look for in a phone for my kids?
Durability, battery life, and parental controls matter more than speed. A cheap phone with a tough body and a big battery is usually the safest start.
Can I add more storage with a memory card?
Both phones accept microSD cards. On the Poco, the slot is a hybrid, so you’ll use one SIM slot for the card. Cards are good for photos, videos, and music, but most apps need to stay on internal storage, which is why 128GB is more comfortable than 64GB.
Why do budget phones in India cost more in 2026?
Memory chips have become far more expensive as AI data centers buy up supply, which raises the cost of every phone with RAM and storage. Samsung’s Galaxy A08 4G now costs twice what the A07 did with nearly the same hardware.
Is a 120Hz screen worth it on a cheap phone?
Usually, yes. A 120Hz screen makes scrolling and animations look smoother, and it costs little extra on LCD panels. It does use a bit more battery at full speed, but most phones drop to 60Hz or lower when nothing is moving, so the impact is small.
