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Model

Compare Cat B40 and vivo Y21e

Cat B40 vs vivo Y21e

Cat B40

vivo Y21e

Cat B40

vivo Y21e

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1900, 2100

HSDPA 850, 900, 2100
4G network

LTE frequency band 1, 3, 7, 8, 20, 28

LTE frequency band 1, 3, 5, 8, 40
HSDPA speed

-

42.2 Mbps
HSUPA speed

-

5.76 Mbps
EV-DO speed

-

EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
LTE speed

-

LTE, 392 Mbps download, 151 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Availability
Oficially announced

2021-04

2022-01
Status

2021-04

2022-01

Design
Build

-

Glass front, plastic frame, plastic back
SIM

Nano-SIM

Dual SIM (Nano-SIM, dual stand-by)
Height

145 mm

164.3 mm
Width

62 mm

76.1 mm
Thickness

18 mm

8 mm
Weight

157 g

182 g
Waterproof

IP69, 1.2m and 35 minutes

-
Dust proof

Yes, IP69

-
MIL-STD-810G

Yes

-
Flashlight

Yes, 100+ lumens

-
Build features

Antimicrobial protection (silver ion-based)

-
Colors

Black

Blue, Diamond Glow

Display
Display type

TFT

IPS LCD
Physical size

2.4 inches

6.51 inches
Resolution

240 x 320 pixels

720 x 1600 pixels
Pixel density

167 ppi

270 ppi
Display colors

-

16777216

Hardware
CPU

-

Octa-core
CPU

Quad-core 2.4 GHz Kryo 265 Gold
CPU(second)

quad-core 1.9 GHz Kryo 265 Silver
Chipset

Unisoc T117

Qualcomm SM6225 Snapdragon 680 4G
GPU

-

Adreno 610
Memory RAM

-

3 GB
Internal storage

-

64 GB
Memory card

microSD

microSD, microSDHC, microSDXC
Memory card max

32 GB

1 TB
Storage

-

UFS 2.1
Phonebook

Yes

-
Call records

Yes

-

Main camera
Camera type

Single

Dual
Main camera

2 MP

13 MP, (wide) , f/2.2
(macro) , 2 MP, f/2.4
Primary camera resolution

-

4160 x 3120 pixels
Primary camera video

-

1080p@30fps
Primary camera flash

-

LED flash
Camera features

-

Autofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus

Sound
3.5mm jack

Yes

Yes
Loudspeaker

Yes

Yes
Earpiece

-

Yes

Multimedia
Radio

FM Radio

FM Radio

Connectivity
WLAN

No

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

-

Yes
WLAN WiFi Direct

-

Yes
WLAN WiFi Dual Band

-

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

A2DP

Yes
bluetooth LE

LE

Yes
NFC

-

No
GPS

No

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes
QZSS

-

Yes

Features
Messaging SMS

Yes

-
Java

No

-
Games

No

-
Sensors

-

Accelerometer, compass, fingerprint, proximity

Browser
HTML

No

HTML5

Battery
Battery type

Li-Ion

Li-Po
Battery capacity

1800 mAh

5000 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

-

Quick Charge, 18W
Reverse charging

-

Yes

Cost
Price

90 USD

170 USD

OS
OS

-

Android 11, Funtouch 12

Selfie camera
Selfie camera type

-

Single
Selfie camera

(wide) , 8 MP, f/2.0
Selfie camera resolution

-

3264 x 2448 pixels
Selfie camera features

-

Face unlock
Selfie camera video

-

1080p@30fps

Tests and performance
Antutu

-

220000 (v9)
Geekbench(single-core)

-

387 (v5.2)
Geekbench(multi-core)

-

1636 (v5.2)

SAR value
SAR(head)

-

0.83 W/kg
SAR(body)

-

1.09 W/kg

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