Asus Zenfone 2 Laser ZE500KL vs Realme C21Y: A Detailed Comparison

Looking for a budget-friendly smartphone? The Asus Zenfone 2 Laser and the Realme C21Y are popular contenders. But which one offers the best value for your money? We'll break down their specs, performance, and features to help you decide.
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🏆 Quick Verdict

The Realme C21Y is the clear winner. While the Zenfone 2 Laser was a strong contender in its time, the C21Y's newer chipset, improved efficiency, and reverse charging provide a significantly better user experience for today's needs.

PHONES
Phone Names Asus Zenfone 2 Laser ZE500KL Realme C21Y
Network
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100 - GlobalHSDPA 850 / 900 / 2100
4G bands1, 2, 3, 5, 7, 8, 20 - Global1, 3, 5, 8, 38, 40, 41
SpeedHSPA 42.2/5.76 Mbps, LTE Cat4 150/50 MbpsHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
 1, 3, 38, 40, 41 - India-
Launch
Announced2015, August. Released 2015, August2021, June 21
StatusDiscontinuedAvailable. Released 2021, July 02
Body
BuildGlass front (Gorilla Glass 4), plastic back, plastic frameGlass front, plastic back, plastic frame
Dimensions143.7 x 71.5 x 10.5 mm (5.66 x 2.81 x 0.41 in)164.5 x 76 x 9.1 mm (6.48 x 2.99 x 0.36 in)
SIMDual SIM (Micro-SIM, dual stand-by)Nano-SIM + Nano-SIM
Weight140 g (4.94 oz)200 g (7.05 oz)
Display
ProtectionCorning Gorilla Glass 4-
Resolution720 x 1280 pixels, 16:9 ratio (~294 ppi density)720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Size5.0 inches, 68.9 cm2 (~67.1% screen-to-body ratio)6.5 inches, 102.0 cm2 (~81.6% screen-to-body ratio)
TypeTFTIPS LCD, 400 nits (typ)
Platform
CPUQuad-core 1.2 GHz Cortex-A53Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
ChipsetQualcomm MSM8916 Snapdragon 410 (28 nm)Unisoc T610 (12 nm)
GPUAdreno 306Mali-G52 MP2
OSAndroid 5.0 (Lollipop), upgradable to 6.0 (Marshmallow), ZenUIAndroid 10/ Android 11
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal8GB 2GB RAM, 16GB 2GB RAM32GB 3GB RAM, 64GB 4GB RAM
 eMMC 4.5eMMC 5.1
Main Camera
Dual-13 MP, f/2.2, 26mm (wide), 1/3.06", 1.12µm, PDAF 2 MP (macro) Auxiliary lens
FeaturesLaser AF, Dual-LED dual-tone flash, panorama, HDRLED flash, HDR, panorama
Single13 MP, f/2.05 MP, f/2.2, (wide), 1/5.0", 1.12µm
Video1080p@30fps1080p@30fps
Selfie camera
Features-HDR, panorama
Single5 MP, f/2.0, AF5 MP, f/2.2, (wide), 1/5.0", 1.12µm
Video-1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth4.0, A2DP, EDR5.0, A2DP, LE
NFCNoNo
PositioningGPS, GLONASSGPS, GLONASS, BDS
RadioFM radioUnspecified
USBmicroUSB 2.0, OTGmicroUSB 2.0, OTG
WLANWi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspotWi-Fi 802.11 b/g/n
Features
SensorsAccelerometer, proximity, compassFingerprint (rear-mounted), accelerometer, proximity, compass
Battery
Charging-Reverse wired
TypeLi-Po 2400 mAh, removable5000 mAh
Misc
ColorsBlack/Ceramic White/Silver/Purple/Aqua Blue/Sheer Gold/Glamour RedCross Black, Cross Blue
ModelsZ00EDRMX3261, RMX3263
PriceAbout 210 EURAbout 130 EUR

Asus Zenfone 2 Laser ZE500KL

  • Compact size
  • Affordable price (when found used)

  • Outdated chipset
  • Limited performance
  • Short battery life
  • Older software

Realme C21Y

  • Modern chipset
  • Good performance for the price
  • Long battery life
  • Reverse charging
  • Larger display

  • Plastic build quality
  • Basic camera features beyond main lens

Display Comparison

The Zenfone 2 Laser features a 5.0-inch 720p display, offering adequate clarity for basic use. The Realme C21Y boasts a larger 6.5-inch 720p display, providing a more immersive viewing experience and better for media consumption. The Realme's larger size is a significant advantage.

Camera Comparison

The Zenfone 2 Laser has a 13MP rear camera. The Realme C21Y features a 13MP main camera, but with improved image processing thanks to its newer chipset. The Realme also includes macro and depth sensors, offering more versatility. While both are budget cameras, the Realme generally produces better results.

Performance

Here's where the Realme C21Y shines. The Unisoc T610 with its octa-core architecture and 12nm process is considerably more powerful and efficient than the Zenfone 2 Laser's Snapdragon 410. Expect smoother multitasking, faster app loading, and better overall responsiveness on the Realme.

Battery Life

The Realme C21Y typically offers longer battery life due to its more efficient chipset and a larger battery capacity (5000mAh vs Zenfone 2 Laser's ~2400mAh). The reverse charging capability on the Realme is a bonus, allowing it to charge other devices.

Buying Guide

The Asus Zenfone 2 Laser ZE500KL is best suited for users seeking a very basic, ultra-budget phone for simple tasks like calls and messaging, and who are comfortable with an older device. The Realme C21Y is ideal for users who want a reliable, modern budget phone with decent performance, a good camera, and longer battery life for everyday use.

Frequently Asked Questions

❓ Is the Zenfone 2 Laser still usable in 2024?
Yes, it can still handle basic tasks, but its performance is significantly limited compared to modern smartphones. Software updates are no longer available, posing a security risk.
❓ Which phone has better gaming performance?
The Realme C21Y offers considerably better gaming performance due to its more powerful chipset and efficient processing.