Umidigi A11S vs Samsung Galaxy A12 (India): A Deep Dive into Budget Smartphone Performance

The sub-$150 smartphone market is fiercely competitive. The Umidigi A11S and Samsung Galaxy A12 (India) both aim to deliver essential smartphone functionality at an accessible price. However, they take different approaches to achieving this, with the A11S relying on a newer Unisoc chipset and the A12 leveraging Samsung’s in-house Exynos silicon. This comparison dissects the key differences to determine which device offers the best value.
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🏆 Quick Verdict

For most users, the Samsung Galaxy A12 (India) emerges as the better choice. Its Exynos 850 chipset, built on an 8nm process, provides a significant performance advantage over the Umidigi A11S’s 12nm Unisoc Tiger T310, translating to smoother multitasking and a more responsive user experience. While the A11S is cheaper, the A12’s superior processing power justifies the price difference.

PHONES
Phone Names Umidigi A11S Samsung Galaxy A12 (India)
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 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
Launch
Announced2021. Released 20212021, August 12
StatusDiscontinuedAvailable. Released 2021, August 12
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 x 75.8 x 8.9 mm (6.46 x 2.98 x 0.35 in)
SIMNano-SIM + Nano-SIM· Nano-SIM· Nano-SIM + Nano-SIM
Weight225 g (7.94 oz)205 g (7.23 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 (~82.1% screen-to-body ratio)
TypeIPS LCDPLS LCD
Platform
CPUQuad-core (1x2.0 GHz Cortex-A75 & 3x1.8 GHz Cortex-A55)Octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55)
ChipsetUnisoc Tiger T310 (12nm)Exynos 850 (8 nm)
GPUPowerVR GE8300Mali-G52
OSAndroid 11Android 11, upgradable to Android 13, One UI 5.1
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal32GB 4GB RAM, 64GB 4GB RAM64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
 -eMMC 5.1
Main Camera
FeaturesDual-LED flash, HDR, panoramaLED flash, panorama, HDR
Quad-48 MP, f/2.0, 26mm (wide), AF 5 MP, f/2.2, 123˚ (ultrawide) 2 MP (macro) Auxiliary lens
Triple16 MP, f/2.0, (wide), AF 8 MP, 120˚ (ultrawide) 5 MP (macro)-
Video1080p@30fps1080p@30fps
Selfie camera
Single8 MP, f/2.2, (wide)8 MP, f/2.2
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, GALILEO, BDS
RadioNoFM radio, RDS, recording
USBUSB Type-C, OTGUSB Type-C 2.0
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 b/g/n, Wi-Fi Direct
Features
SensorsAccelerometer, proximity, compassFingerprint (side-mounted), accelerometer
 -Virtual proximity sensing
Battery
Charging10W wired15W wired
Type5150 mAhLi-Po 5000 mAh
Misc
ColorsMist Blue, Frost GreyBlack, Blue, White
Models-SM-A127F, SM-A127F/DS
Price-About 160 EUR
SAR-0.79 W/kg (head)

Umidigi A11S

  • Lower price point makes it highly accessible.
  • Potentially longer standby time due to less powerful chipset.
  • Simple and straightforward Android experience.

  • Unisoc Tiger T310 chipset offers significantly lower performance.
  • 12nm process is less efficient, potentially leading to more heat.
  • Slower 10W charging.

Samsung Galaxy A12 (India)

  • Exynos 850 chipset delivers superior performance.
  • 8nm process offers better power efficiency and thermal management.
  • Faster 15W charging reduces downtime.

  • Slightly higher price compared to the Umidigi A11S.
  • May experience faster battery drain during intensive use.
  • Samsung’s software can include bloatware.

Display Comparison

Neither device boasts a standout display. Both likely utilize LCD panels, a common cost-saving measure in this segment. However, the lack of detailed display specs (resolution, brightness) necessitates focusing on the chipset’s ability to drive the UI smoothly. The A12’s more powerful GPU, stemming from the Exynos 850, will likely result in slightly smoother animations and transitions, even if the panel itself is similar in quality. Bezels are expected to be substantial on both devices, typical for this price point.

Camera Comparison

Camera performance is likely to be similar, with both devices relying on budget sensors. Without specific sensor details, it’s difficult to make a definitive judgment. However, Samsung’s image processing algorithms are generally more refined, potentially leading to more pleasing results in various lighting conditions. The presence of a 2MP macro camera on both devices is largely a marketing gimmick; image quality will be limited. Focusing on the main sensor’s capabilities (which are unknown) and Samsung’s software optimization is key.

Performance

The core difference lies in the chipsets. The Samsung Galaxy A12’s Exynos 850, fabricated on an 8nm process, is a clear winner over the Umidigi A11S’s Unisoc Tiger T310 (12nm). The 8nm process allows for greater transistor density and improved power efficiency, leading to better sustained performance and less heat generation. While both are octa-core, the A12’s architecture – four Cortex-A55 cores at 2.0 GHz – is more efficient than the A11S’s mix of one Cortex-A75 and three Cortex-A55 cores. The A75 offers a performance boost, but the A12’s consistent A55 cluster provides a more balanced experience. This translates to faster app loading times and smoother multitasking on the A12.

Battery Life

Battery life will depend heavily on usage patterns. While the A12 offers 15W charging compared to the A11S’s 10W, the Exynos 850’s greater power consumption could offset this advantage. The 8nm process helps mitigate this, but demanding tasks will drain the A12’s battery faster. The A11S, with its less powerful chipset, will likely offer longer standby times and potentially better battery life for light users. The faster charging on the A12 will, however, reduce downtime for those who frequently need to top up.

Buying Guide

Buy the Umidigi A11S if you prioritize absolute affordability and are willing to compromise on performance for basic tasks like calls, messaging, and light social media use. Buy the Samsung Galaxy A12 (India) if you value a smoother, more responsive experience, especially when multitasking or using demanding apps, and appreciate the brand recognition and support of Samsung.

Frequently Asked Questions

❓ Does the Exynos 850 in the Galaxy A12 (India) get noticeably hot during prolonged gaming sessions?
While the Exynos 850 isn't a flagship chip, its 8nm process and thermal design allow it to handle moderate gaming for reasonable periods. You may experience some warmth, but it's unlikely to reach throttling temperatures quickly, unlike the Umidigi A11S which will likely throttle sooner due to its less efficient 12nm chipset.
❓ Is the 2MP macro camera on either phone worth using for detailed close-up shots?
No, the 2MP macro cameras on both the Umidigi A11S and Samsung Galaxy A12 (India) are primarily for marketing purposes. The low resolution and lack of autofocus result in images that lack detail and sharpness. They are best avoided in favor of the main camera.
❓ Can the Samsung Galaxy A12 (India) handle popular games like PUBG Mobile at acceptable frame rates?
The Galaxy A12 (India) can run PUBG Mobile, but you'll likely need to stick to medium graphics settings and potentially lower the frame rate to achieve a smooth experience. The Exynos 850 provides enough power for playable performance, while the A11S will struggle to maintain consistent frame rates even on the lowest settings.
❓ Which phone is better for watching videos and streaming content?
The Samsung Galaxy A12 (India) is the better choice for video consumption. The Exynos 850’s GPU will provide smoother playback and potentially better color reproduction, even if the display panels are similar. The more responsive chipset will also make navigating streaming apps a more pleasant experience.