itel Zeno 20 vs Samsung Galaxy A03 Core: Which Budget Phone Reigns Supreme?

The itel Zeno 20 and Samsung Galaxy A03 Core represent the extreme end of the smartphone price spectrum. Both aim to deliver basic smartphone functionality at an incredibly affordable price point, but they achieve this with different hardware approaches. This comparison dissects their key specifications to determine which device offers the best experience for the budget-conscious user.
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🏆 Quick Verdict

For most users, the itel Zeno 20 emerges as the slightly better choice. Its Unisoc T7100 chipset, while not a powerhouse, offers a more modern architecture and higher clock speeds than the Samsung Galaxy A03 Core’s SC9863A, translating to a snappier user experience. The 15W charging is also a minor advantage.

PHONES
Phone Names itel Zeno 20 Samsung Galaxy A03 Core
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 900 / 2100HSDPA 850 / 900 / 2100
4G bands1, 3, 5, 8, 38, 40, 411, 3, 5, 7, 8, 20, 28, 38, 40, 41
SpeedHSPA, LTEHSPA 21.1/5.76 Mbps, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
Launch
Announced2025, August 232021, November 15
StatusAvailable. Released 2025, August 25Available. Released 2021, December 06
Body
Build-Plastic back, plastic frame
Dimensions8.6 mm thickness164.2 x 75.9 x 9.1 mm (6.46 x 2.99 x 0.36 in)
SIMDual SIM· Nano-SIM· Nano-SIM + Nano-SIM
Weight187 g (6.60 oz)211 g (7.44 oz)
Display
Resolution720 x 1612 pixels, 20:9 ratio (~267 ppi density)720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Size6.6 inches, 104.6 cm26.5 inches, 102.0 cm2 (~81.8% screen-to-body ratio)
TypeIPS LCD, 90Hz, 480 nits (typ), 1500 nits (peak)PLS LCD
Platform
CPUOcta-core 1.8 GHzOcta-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
ChipsetUnisoc T7100Unisoc SC9863A (28 nm)
GPUPowerVR GE8322IMG8322
OSAndroid 14 (Go edition), itel OS 14Android 11 (Go edition)
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal64GB 3GB RAM, 128GB 4GB RAM32GB 2GB RAM
 -eMMC 5.1
Main Camera
FeaturesLED flash, HDR, panoramaLED flash
Single13 MP8 MP, f/2.0, AF
Video1080p@30fps1080p@30fps
Selfie camera
Single5 MP5 MP, f/2.2
VideoYes-
Sound
3.5mm jack -Yes
35mm jackYesYes
Loudspeaker YesYes
Comms
BluetoothYes4.2, A2DP
NFCNoNo
PositioningGPSGPS, GLONASS
RadioUnspecifiedUnspecified
USBUSB Type-C 2.0, OTGmicroUSB 2.0, OTG
WLANYesWi-Fi 802.11 b/g/n, Wi-Fi Direct
Features
SensorsFingerprint (side-mounted), accelerometerAccelerometer, proximity
Battery
Charging15W wired-
Type5000 mAhLi-Ion 5000 mAh
Misc
ColorsStarlit Black, Space Titanium, Aurora BlueBlack, Blue
ModelsA6610LSM-A032F, SM-A032F/DS, SM-A032M
Price₹ 6,899£ 74.99
SAR0.82 W/kg (head)     0.46 W/kg (body)0.30 W/kg (head)
SAR EU-0.24 W/kg (head)     1.39 W/kg (body)

itel Zeno 20

  • More powerful Unisoc T7100 chipset
  • Faster 15W wired charging
  • Potentially better multitasking performance

  • Brand recognition is lower than Samsung
  • Display specifications are unknown

Samsung Galaxy A03 Core

  • Established Samsung brand reputation
  • Potentially wider service network
  • Familiar Android experience

  • Slower Unisoc SC9863A chipset
  • Likely slower charging speeds
  • Older 28nm process may impact efficiency

Display Comparison

Neither device boasts a standout display. Given the lack of detailed display specifications, we can assume both utilize LCD panels typical of this price range. The focus here isn't on visual fidelity, but basic readability. Samsung's brand history suggests slightly better color calibration, but the itel Zeno 20's display size is unknown, making a direct comparison difficult. Expect both to struggle in direct sunlight.

Camera Comparison

Camera performance on both devices will be limited. Without sensor size details, it’s difficult to make a definitive statement. However, the focus should be on usability rather than image quality. Both likely feature basic camera setups geared towards social media sharing in good lighting conditions. Expect significant noise and a lack of detail in low-light scenarios. The presence of a 2MP macro camera on the A03 Core is largely a marketing gimmick, offering minimal practical benefit.

Performance

The core difference lies in the chipsets. The itel Zeno 20’s Unisoc T7100 is an octa-core processor clocked at 1.8 GHz. This contrasts with the Samsung Galaxy A03 Core’s Unisoc SC9863A, a 28nm process chipset with a split octa-core configuration (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55). The T7100’s higher clock speed and potentially more efficient architecture (process node unspecified, but likely newer than 28nm) should result in faster app loading times and smoother multitasking. The A03 Core’s slower Cortex-A55 cores will likely exhibit more lag during demanding tasks. The A03 Core's older 28nm process also suggests potentially higher power consumption.

Battery Life

Battery capacity is not specified for either device. However, the itel Zeno 20’s 15W wired charging offers a slight advantage over the likely 10W or slower charging on the Samsung Galaxy A03 Core. Faster charging means less time tethered to a wall outlet, a crucial benefit for users who rely heavily on their phones throughout the day. Without knowing the battery capacity, it's difficult to predict real-world battery life, but the more efficient Unisoc T7100 in the Zeno 20 could contribute to longer usage times.

Buying Guide

Buy the itel Zeno 20 if you prioritize a slightly more responsive user interface and faster charging. It’s ideal for users who need a functional smartphone for basic tasks like calling, texting, and light social media. Buy the Samsung Galaxy A03 Core if brand recognition and a potentially wider service network are paramount. It’s a reasonable choice for first-time smartphone owners within the Samsung ecosystem, but expect compromises in performance.

Frequently Asked Questions

❓ Will the Unisoc SC9863A in the Samsung Galaxy A03 Core struggle with popular apps like WhatsApp and Facebook?
While the A03 Core can run these apps, the SC9863A's slower processing speed and less efficient architecture may result in noticeable lag when switching between apps or loading media. Expect a less fluid experience compared to devices with more powerful chipsets.
❓ Is the itel Zeno 20 likely to receive software updates and security patches?
itel's track record for software updates is inconsistent. While the Zeno 20 likely ships with Android Go Edition (optimized for low-end hardware), long-term software support is not guaranteed. Users should not expect frequent updates or extended security patch coverage.
❓ How long will it take to fully charge the itel Zeno 20 with the 15W charger?
Without knowing the battery capacity, a precise estimate is impossible. However, 15W charging should deliver a full charge in approximately 2.5 to 3.5 hours, assuming a battery capacity between 3000mAh and 4000mAh. This is faster than the likely charging time for the A03 Core.
❓ Does the Samsung Galaxy A03 Core support 4G LTE for fast data speeds?
Yes, the Samsung Galaxy A03 Core does support 4G LTE connectivity, allowing for reasonably fast data speeds where available. However, performance will still be limited by the phone's processor and RAM.