realme C21vsUlefone Armor X10

We compare these two popular phones to help you decide which one fits your needs and budget better.

realme
realme C21
C21
Processor:Mediatek Helio G35
RAM:3GB
Storage:32GB

Quick Stats

The Realme C21 boasts an impressive battery life with a massive 5000mAh capacity, providing two-day backup consistently.
The Realme C21's display is a decent offering for its price point, despite lacking impressive features elsewhere.
The Realme C21's camera performance is average at best, falling short of expectations in various conditions and situations.
The Realme C21's performance is decent but not outstanding, suitable for everyday tasks and casual gaming mainly.
Ulefone
Ulefone Armor X10
Armor X10
Processor:MediaTek Helio A22 (MT6761)
RAM:4GB
Storage:32GB

Quick Stats

The Ulefone Armor X10's impressive battery life offers 2+ days usage with heavy use, surprisingly exceeding expectations.
The Ulefone Armor X10's display offers excellent value for money with good brightness and color accuracy.
The Ulefone Armor X10's camera delivers respectable performance for its price category but has limitations.
The Ulefone Armor X10 delivers reliable and efficient performance for everyday tasks, handling demands with ease.
Key Differences

Processor Speed

Winner
realme C21
2.30 GHz
Ulefone Armor X10
2 GHz

RAM

Winner
realme C21
3GB
Ulefone Armor X10
4GB

Storage

Tie
realme C21
32GB
Ulefone Armor X10
32GB

Weight

Winner
realme C21
190g
Ulefone Armor X10
256g
Rank
realme C21
#815
Ulefone Armor X10
Winner
#805
Scores by Category
Rankings
Connectivity
realme C21
#832
Ulefone Armor X10
#697
Winner
Design
realme C21
#829
Ulefone Armor X10
#801
Winner
Display
realme C21
#785
Winner
Ulefone Armor X10
#845
Performance
realme C21
#815
Ulefone Armor X10
#811
Winner
Battery
realme C21
#774
Winner
Ulefone Armor X10
#786
Camera
realme C21
#752
Winner
Ulefone Armor X10
#806
item_phones_categoryId
realme C21
#1
Tie
Ulefone Armor X10
#1
Tie

Note: Lower rank number indicates a better position in category.

Specifications Comparison
Specification
realme realme C21
Ulefone Ulefone Armor X10
Model
Mediatek Helio G35
MediaTek Helio A22 (MT6761)
CPU
8x Cortex, A53 2.3 GHz
4x Cortex, A53 2.0 GHz
Type
Octa-Core
Quad-Core
Nanometer
12
12
Frequency
2.30
2
64 Bits
Yes
Yes
GPU
IMG PowerVR GE8320 680MHz
IMG PowerVR GE-class GPU
RAM
3
4
Type
LPDDR4X RAM
LPDDR4X RAM
Capacity
32
32
Type
eMMC 5.1 Storage
N/A
Fingerprint security
Yes, in the back
Yes, on the side
Fingerprint sensor
No
No
Proximity sensor
Yes
Yes
Light sensor
Yes
Yes
Accelerometer sensor
Yes
Yes
Compass sensor
N/A
Yes
Gravity sensor
Yes
N/A
Magnetometer sensor
Yes
N/A
Audio
N/A
N/A
Antutu Score
110490
67800
Antutu Version
Antutu v8
Antutu v8
Antutu Standing
Overall performance better than 49% of devices
Overall performance better than 45% of devices
Cooling system
No
No
Gaming buttons
No
No
Extras
N/A
N/A

Note: Highlighted specifications show differences between the two devices.

Pros and Cons

realme C21

Strengths

The phone has a huge 5000mAh battery that can last two days even under heavy usage.
The design is good with enhanced grip and resistant to fingerprint smudges due to the geometric pattern at the back.
The display is surprisingly good, working well and not disturbing the viewing angles.
The speakers are loud enough but not stereo speakers, however they can be heard clearly in a whole room.
The Realme UI 1.0 is simple and efficient with mostly stock Android apps that consume less resources.

Weaknesses

The Mediatek Helio G35 chipset, although decent for this price segment, may not provide the best gaming experience.
The phone has an average camera setup with noisy and grainy indoor photos, but performs better in outdoor situations.
The charging speed is a concern due to the 10W power brick that takes time to charge the 5000mAh battery.

Ulefone Armor X10

Strengths

Compact and comfortable design
Good quality screen
Decent camera performance
Strong performance
Long battery life
Water and dust resistance
Robust build quality
Affordable price

Weaknesses

Limited internal storage
No high-end camera capabilities
No notch on the screen
Mediocre storage expansion options
Read Full Reviews

realme C21

The Realme C21 is a budget-friendly smartphone that packs some impressive features, including a massive 5000mAh battery, a 6.5-inch mini-drop full screen, an instant fingerprint scanner, and a 13-megapixel triple rear camera setup. The phone's design is sleek with a geometric pattern at the back, providing a good grip and resistance to fingerprint smudges. The volume rockers and power button are located on the left side, while the sim tray and micro SD card slot are also accessible from there. Under the hood, the Realme C21 is powered by a Mediatek Helio G35 chipset, paired with 4GB of RAM and 64GB of internal storage. While not the most powerful processor, it manages to deliver decent performance for gaming and everyday tasks. The phone runs on Realme's User Interface 1.0 based on Android 10, which is simple and efficient, consuming less resources while performing well. The display is a 6.5-inch IPS LCD panel with DUV rain land certification, offering good viewing angles and a surprisingly smooth experience. In terms of performance, the phone can handle games like PUBG and Call of Duty at medium frame rates, but may not be the best choice for serious gamers, as other options in the same price bracket offer better processors. The battery life is impressive, lasting two days even under heavy usage, but charging speeds are relatively slow. The camera setup is decent for its price segment, offering a 13-megapixel rear camera and a 5-megapixel selfie shooter at the front. Indoor performance can be noisy and grainy, but outdoor shots are better quality. Overall, the Realme C21 offers a solid package of features and performance for its price, making it a good option for those on a budget.

Ulefone Armor X10

The Ulefone Armor X10 is the latest smartphone from the armor series, which is known for offering great value for money. This phone is compact, comfortable to hold in hand, and features a solid and rugged design with high-quality synthetic rubber on the back and a solid aluminum frame on the sides. The phone boasts a 5.45-inch IPS LCD display with a resolution of 720x1440 pixels and a refresh rate of 16Hz. The camera setup includes a 30-megapixel Samsung primary camera, which produces decent photos for this class of devices. The performance is solid in basic tasks like browsing, watching videos, and using social media apps. The phone is powered by the MediaTek Helio A22 chipset, based on a 12nm process, with 4GB of RAM and 32GB of internal storage that can be expanded up to 128GB via microSD cards. The sound quality is impressive thanks to its built-in Hi-Fi dual speakers. The Ulefone Armor X10 runs on stock Android 11 with a customized user interface and offers excellent battery life, with a massive 5180mAh battery that keeps you going all day. It also features IP68 and IP69K ratings for dust resistance and water resistance up to 1.5 meters for up to 30 minutes. Overall, the Ulefone Armor X10 is an excellent choice in its price range, offering great value for money with its compact design, decent specifications, and impressive performance. Its battery life and sound quality are also noteworthy features that make it a great companion for adventurers and workers alike.

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