Home/Celkon/Celkon Millennia Everest vs Lava Iris X1 Atom S
Celkon Millennia Everest

Celkon Millennia Everest

#6836
Lava Iris X1 Atom S

Lava Iris X1 Atom S

#7799

Category Breakdown

Celkon Millennia Everest
Lava Iris X1 Atom S
Performance
33.629.5
Camera
39.639.6
Display
34.116.9
Battery
21.814.0
Build
0.20.2
Connectivity
25.627.4
Audio
8.98.9
Overall
21.817.3

Summary

  • The Celkon Millennia Everest features a larger 5.5-inch TFT display with a resolution of 480 x 854 pixels, compared to the Lava Iris X1 Atom S's 4.0-inch TFT display at 480 x 800 pixels, offering a slightly lower pixel density.
  • In terms of performance, the Millennia Everest is powered by a quad-core 1.2 GHz processor and has 1GB of RAM, while the Iris X1 Atom S has a 1.0 GHz processor with only 512MB of RAM.
  • Both devices have a 5 MP rear camera, but the Iris X1 Atom S lacks a front camera.
  • The Millennia Everest has a 2500 mAh battery, significantly larger than the 1400 mAh battery of the Iris X1 Atom S.
  • Software-wise, the Millennia Everest runs on Android 5.1 Lollipop, whereas the Iris X1 Atom S operates on Android 4.4.2 KitKat, indicating a more updated software experience for the former.

Side-by-side Specification Comparison

Celkon Millennia Everest
Lava Iris X1 Atom S

General

Release Date

2015
2015

Announced

2015
2015

Description

N/A
For India

Display

Size

5.5"
4"

Type

TFT, 256K colors
TFT

Resolution

480 x 854 pixels, 16:9 ratio (~178 ppi density)
480 x 800 pixels, 5:3 ratio (~233 ppi density)

PPI

480
480

Refresh Rate

60Hz
60Hz

HDR Support

Protection

N/A
N/A

Performance

Chipset

Spreadtrum SC7731
N/A

CPU

Quad-core 1.2 GHz
1.0 GHz

GPU

N/A
N/A

Memory

8GB 1GB RAM
8GB 512MB RAM

Expandable Storage

Card Slot

microSDHC
microSDHC

Camera

Main Camera

5 MP
5 MP

Main Camera Features

LED flash
LED flash

Front Camera

3.2 MP
VGA

Front Camera Features

N/A
N/A

Video Recording

Yes
Yes

Selfie Video

N/A
N/A

Optical Stabilization

Night Mode

Raw Photo Support

Battery

Capacity

2500 mAh
1400 mAh

Battery Details

Li-Ion 2500 mAh battery
Li-Ion 1400 mAh, removable

Charging Details

N/A
N/A

Fast Charging

Wireless Charging

Build & Safety

Dimensions

157 x 78 x 9.1 mm (6.18 x 3.07 x 0.36 in)
125.5 x 63.4 x 9.7 mm (4.94 x 2.50 x 0.38 in)

Weight

N/A
112 g

Materials

N/A
N/A

Colors

Black, White, Blue
Black, White

Foldable

SAR

N/A
N/A

Connectivity

SIM

Dual SIM
Dual SIM

Network

GSM / HSPA
GSM / HSPA

Network Speed

HSPA
HSPA

5G

4G

WiFi

Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 b/g/n

Bluetooth

2.0
2.1, EDR

NFC

USB

microUSB 2.0
microUSB 2.0

IR Blaster

Headphone Jack

Radio

Positioning

A-GPS
GPS

Audio

Stereo Speakers

Loudspeaker

Yes
Yes

Audio Jack

Yes
Yes

Software & Security

Operating System

Android 5.1 (Lollipop)
Android 4.4.2 (KitKat)

Fingerprint

Face Unlock

Sensors

Accelerometer, proximity
Accelerometer