Umidigi A11S vs Realme C25s: A Detailed Comparison for Budget Shoppers

The sub-$150 smartphone market is fiercely competitive. Both the Umidigi A11S and Realme C25s aim to deliver essential smartphone functionality at an accessible price. However, they take different approaches to achieving this, primarily diverging in their chipset choices and charging capabilities. This comparison dissects those differences to determine which device offers the best value.
Phones Images

🏆 Quick Verdict

For the average user prioritizing basic tasks and battery life, the Umidigi A11S offers a solid experience. However, the Realme C25s, with its more powerful Helio G85 chipset and faster 18W charging, is the clear winner for users who demand better performance for gaming or multitasking, justifying a slight price premium.

PHONES
Phone Names Umidigi A11S Realme C25s
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 661, 3, 5, 7, 8, 20, 28, 38, 40, 41
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
Launch
Announced2021. Released 20212021, June 08
StatusDiscontinuedAvailable. Released 2021, June 09
Body
Build-Glass front, plastic back, plastic frame
Dimensions162.2 x 75 x 9.2 mm (6.39 x 2.95 x 0.36 in)164.5 x 75.9 x 9.6 mm (6.48 x 2.99 x 0.38 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight225 g (7.94 oz)209 g (7.37 oz)
Display
Resolution720 x 1600 pixels, 20:9 ratio (~269 ppi density)720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Size6.53 inches, 102.9 cm2 (~84.6% screen-to-body ratio)6.5 inches, 102.0 cm2 (~81.7% screen-to-body ratio)
TypeIPS LCDIPS LCD, 480 nits (typ), 570 nits (peak)
Platform
CPUQuad-core (1x2.0 GHz Cortex-A75 & 3x1.8 GHz Cortex-A55)Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
ChipsetUnisoc Tiger T310 (12nm)Mediatek MT6769Z Helio G85 (12 nm)
GPUPowerVR GE8300Mali-G52 MC2
OSAndroid 11Android 11, Realme UI 2.0
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal32GB 4GB RAM, 64GB 4GB RAM64GB 4GB RAM, 128GB 4GB RAM
 -eMMC 5.1
Main Camera
FeaturesDual-LED flash, HDR, panoramaLED flash, HDR, panorama
Single-8 MP, f/2.0, 26mm (wide), 1/4.0", 1.12µm
Triple16 MP, f/2.0, (wide), AF 8 MP, 120˚ (ultrawide) 5 MP (macro)48 MP, f/1.8, 26mm (wide), PDAF (International model) or 13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, PDAF (India model) 2 MP (macro) Auxiliary lens
Video1080p@30fps1080p@30/60fps
Selfie camera
Features-HDR, panorama
Single8 MP, f/2.2, (wide)8 MP, f/2.0, 26mm (wide), 1/4.0", 1.12µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack -Yes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
NFCNoNo
PositioningGPS, GLONASS, GALILEOGPS, GLONASS, BDS
RadioNoUnspecified
USBUSB Type-C, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsAccelerometer, proximity, compassFingerprint (rear-mounted), accelerometer, proximity, compass
Battery
Charging10W wired18W wired 5W reverse wired
Type5150 mAh6000 mAh
Misc
ColorsMist Blue, Frost GreyWater Blue, Water Gray
Models-RMX3195, RMX3197
Price-About 180 EUR

Umidigi A11S

  • Potentially longer battery life due to less powerful chipset.
  • Lower price point (likely).
  • Reliable for basic smartphone tasks.

  • Significantly slower performance compared to the Realme C25s.
  • Slower 10W charging.
  • Less capable for gaming and multitasking.

Realme C25s

  • Faster and more responsive performance with the Helio G85.
  • 18W fast charging with 5W reverse charging.
  • Better gaming capabilities.

  • Potentially shorter battery life under heavy use.
  • Slightly higher price point.
  • May experience more thermal throttling during extended gaming sessions.

Display Comparison

Neither device boasts a standout display. Both likely utilize LCD panels, common in this price bracket. Specifics like resolution and peak brightness are not provided, but we can assume they are similar, targeting 720p+ resolution. The focus here isn't on visual fidelity, but on functional usability. Bezels are likely to be noticeable on both, prioritizing cost reduction over an immersive viewing experience.

Camera Comparison

Without detailed camera specs, a direct comparison is difficult. Both phones likely feature a primary camera alongside auxiliary lenses (potentially a depth or macro sensor). However, the image signal processor (ISP) within the Helio G85 offers more advanced image processing capabilities, potentially resulting in better dynamic range and noise reduction in the Realme C25s. The Umidigi A11S will likely rely on software optimizations to compensate, but will be limited by the processing power of the T310. We can expect similar performance in good lighting conditions, but the C25s should excel in low-light scenarios.

Performance

The core difference lies in the chipsets. The Realme C25s’ MediaTek Helio G85 is a significant step up from the Umidigi A11S’ Unisoc Tiger T310. The G85’s octa-core configuration (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) provides more processing headroom than the A11S’ quad-core (1x2.0 GHz Cortex-A75 & 3x1.8 GHz Cortex-A55). While both utilize the same Cortex-A75 and A55 core designs, the doubling of the A75 cores and addition of more A55 cores in the G85 translates to noticeably faster app loading times and smoother multitasking. The G85 also benefits from a more capable GPU, making it the better choice for casual gaming. The 12nm process node is shared, so thermal efficiency differences will be minimal, but the G85 will still likely throttle less under sustained load.

Battery Life

Battery capacity isn't specified for either device, but both likely fall in the 5000mAh range, typical for this segment. The Realme C25s’ 18W charging is a clear advantage over the Umidigi A11S’ 10W charging. This translates to significantly faster top-up times – potentially reducing a full charge from over 3 hours to around 2 hours. The C25s also offers 5W reverse wired charging, a useful feature for topping up accessories like wireless earbuds, which the A11S lacks. While the A11S might offer slightly longer screen-on time due to the less powerful chipset, the convenience of faster charging on the C25s is a compelling benefit.

Buying Guide

Buy the Umidigi A11S if you need a dependable device for calls, messaging, social media, and light web browsing, and value a longer-lasting battery over raw processing power. Buy the Realme C25s if you prefer a smoother experience with more demanding apps, enjoy mobile gaming, and appreciate the convenience of faster charging – even if it means slightly reduced battery longevity during intensive use.

Frequently Asked Questions

❓ Will the Realme C25s struggle with demanding games like PUBG Mobile?
While the Helio G85 isn't a flagship gaming chip, it's capable of running PUBG Mobile at medium settings with reasonable frame rates. Expect some frame drops during intense action, but it's a playable experience. The Umidigi A11S will likely struggle to maintain stable frame rates even at the lowest settings.
❓ How much faster is the charging on the Realme C25s compared to the Umidigi A11S?
The Realme C25s’ 18W charging is significantly faster. A full charge could take over 3 hours with the A11S’ 10W charger, while the C25s could achieve a full charge in around 2 hours, depending on battery capacity and usage.
❓ Does the Unisoc Tiger T310 in the Umidigi A11S have any advantages?
The T310 prioritizes power efficiency, potentially leading to slightly longer battery life during basic tasks like calls and messaging. However, this advantage is offset by the significantly lower performance compared to the Helio G85.
❓ Is the 5W reverse charging on the Realme C25s useful?
Yes, the 5W reverse charging is a convenient feature for topping up accessories like wireless earbuds or a smartwatch. It's not a fast charging solution, but it can be a lifesaver in a pinch.