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Smartphone comparison

Redmi A7 4G vs Infinix Smart 20

Compare cameras, battery, screen and everyday features.

Compared products
01Selected
Redmi A7 4G

Redmi A7 4G

  • 193 g.
  • Screen: 720 x 1640 pixels (~260 ppi density).
  • Unisoc T7250 (12 nm) processor.
  • 3 GB RAM in this version.
  • 64 GB storage in this version.
KSh 15,100Out of Stock
02
Infinix Smart 20

Infinix Smart 20

  • 185 g.
  • Screen: 720 x 1576 pixels, 19.5:9 ratio (~259 ppi density).
  • Mediatek Helio G81 Ultimate (12 nm) processor.
  • 4 GB RAM in this version.
  • Storage: eMMC 5.1.
KSh 13,000In Stock
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2 of 4 products

Our quick verdict

The Infinix Smart 20 has more RAM (4 GB), runs newer Android 16 and has a brighter screen for outdoor use, while the Redmi A7 4G has a higher-resolution main camera (13 MP).

Weight

Redmi A7 4G
193 g
Infinix Smart 20
185 g

Display

Redmi A7 4G
720 x 1640 pixels (~260 ppi density)
Infinix Smart 20
720 x 1576 pixels, 19.5:9 ratio (~259 ppi density)

Performance

Redmi A7 4G
Unisoc T7250 (12 nm) processor
Infinix Smart 20
Mediatek Helio G81 Ultimate (12 nm) processor

Memory

Redmi A7 4G
3 GB RAM in this version
Infinix Smart 20
4 GB RAM in this version

Camera

Redmi A7 4G
13 MP main camera
Infinix Smart 20
8 MP main camera

Key differences

The main differences to help you choose.

Redmi A7 4G

  • Higher-resolution main camera: 13 MP (vs 8 MP).
  • Slightly larger 6.88-inch screen (vs 6.78-inch).

Infinix Smart 20

  • More memory: 4 GB RAM (vs 3 GB).
  • Newer Android 16 (vs Android 15).
  • Brighter display: up to 700 nits (vs 600).
  • NFC for contactless pairing and payments where supported.

What matters most to you?

Choose any priorities

How each product answers the questions buyers ask most. Tick a topic to add it, untick one to hide it.

More topicsFewer topics
6 priorities selected.
How each product answers the selected priorities
PriorityRedmi A7 4GInfinix Smart 20
Display6.88-inch LCD display, 120 Hz, 260 ppi6.78-inch LCD display, 120 Hz, 259 ppi
Camera13 MP main camera8 MP main camera
PerformanceUnisoc T7250 processorMediatek Helio G81 Ultimate processor
Memory3 GB RAM4 GB RAM
Storage64 GB storageUp to 128 GB storage
Water resistanceDust and splash resistantIP64 water and dust resistance

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationRedmi A7 4GInfinix Smart 20
BrandRedmiInfinix
ModelRedmi A7 4GSmart 20
Announced2026, April 212026, March 04
Release statusAvailable. Released 2026, April 24Available. Released 2026, March
Model numbers26020RNB4AX6840, X6840B

Design

Design specifications comparison
SpecificationRedmi A7 4GInfinix Smart 20
Dimensions171.8 x 79.8 x 8.3 mm (6.76 x 3.14 x 0.33 in)167.7 x 78.8 x 7.7 mm (6.60 x 3.10 x 0.30 in)
Weight193 g (6.81 oz)185 g (6.53 oz)
Build materials—Glass front, plastic back, plastic frame

Display

Display specifications comparison
SpecificationRedmi A7 4GInfinix Smart 20
Display6.88 inches, 112.4 cm2 (~82.0% screen-to-body ratio); IPS LCD, 120Hz, 600 nits (peak)6.78 inches, 109.5 cm2 (~82.9% screen-to-body ratio); IPS LCD, 120Hz, 700 nits (HBM)
Screen resolution720 x 1640 pixels (~260 ppi density)720 x 1576 pixels, 19.5:9 ratio (~259 ppi density)
Display features120Hz, 600 nits (peak)120Hz, 700 nits (HBM)
Display technologyIPS LCDIPS LCD
Display size6.88 inches6.78 inches
Refresh rate120Hz120Hz
Brightness600 nits (peak)700 nits (HBM)
Pixel density260 ppi259 ppi
Screen-to-body ratio82.0% screen-to-body ratio82.9% screen-to-body ratio
Aspect ratio—19.5:9 ratio

Performance

Performance specifications comparison
SpecificationRedmi A7 4GInfinix Smart 20
ProcessorUnisoc T7250 (12 nm)Mediatek Helio G81 Ultimate (12 nm)
CPUOcta-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
GPUMali-G57 MP1Mali-G52 MC2
Software supportup to 2 major OS updates—
Process node12 nm12 nm
User interface—XOS 16

Memory & Storage

Memory & Storage specifications comparison
SpecificationRedmi A7 4GInfinix Smart 20
RAM3GB4GB
Storage64GB64GB, 128GB
Expandable storagemicroSDXC (dedicated slot)microSDXC (dedicated slot)
Memory configurations64GB 3GB RAM64GB 4GB RAM, 128GB 4GB RAM
Storage technology—eMMC 5.1

Cameras

Cameras specifications comparison
SpecificationRedmi A7 4GInfinix Smart 20
Rear camera13 MP, f/2.2, (wide)8 MP, f/2.0, (wide), 1/4.0", 1.12µm, AF
Front camera8 MP, f/2.0, (wide)8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Rear camera featuresLED flash, HDRDual-LED flash, panorama
Rear camera video1080p@30fps1440p@30fps, 1080p@30fps
Front camera featuresHDR—
Front camera video1080p@30fps1440p@30fps, 1080p@30fps
Wide camera—8 MP, f/2.0, (wide), 1/4.0", 1.12µm, AF

Battery & Charging

Battery & Charging specifications comparison
SpecificationRedmi A7 4GInfinix Smart 20
Battery5200 mAh5200 mAh
Charging15W wired 7.5W reverse wired15W wired 5W reverse wired
Reverse charging7.5W reverse wired5W reverse wired

Software

Software specifications comparison
SpecificationRedmi A7 4GInfinix Smart 20
Operating systemAndroid 15, up to 2 major OS updatesAndroid 16, XOS 16

Network

Network specifications comparison
SpecificationRedmi A7 4GInfinix Smart 20
NetworkGSM / HSPA / LTEGSM / HSPA / LTE
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 3, 5, 8, 28, 40, 411, 2, 3, 4, 5, 7, 8, 20, 28, 38, 41, 40
Network speedHSPA, LTEHSPA, LTE

Connectivity

Connectivity specifications comparison
SpecificationRedmi A7 4GInfinix Smart 20
NFCNoYes
Bluetooth5.2, A2DP, LEYes
Wi-FiWi-Fi 802.11 a/b/g/n/ac, dual-bandWi-Fi 802.11 a/b/g/n/ac, dual-band
PositioningGPS, GALILEO, GLONASSGPS
RadioFM radioFM radio
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
Infrared—Yes

Durability

Durability specifications comparison
SpecificationRedmi A7 4GInfinix Smart 20
Water resistanceDust and splash resistantIP64 dust tight and water resistant (water splashes) Drop resistant up to 1.5m

Features

Features specifications comparison
SpecificationRedmi A7 4GInfinix Smart 20
SensorsFingerprint (side-mounted), accelerometer, compassFingerprint (side-mounted), accelerometer, proximity, compass
ColorsBlack, Sky Blue, Orchid PurpleShadow Black, Cloudline Blue, Polaris Titanium, Sunlike Orange

Audio

Audio specifications comparison
SpecificationRedmi A7 4GInfinix Smart 20
LoudspeakersYesYes
3.5 mm headphone jackYesYes

Similarities

  • Both have 5,200 mAh batteries.
  • Both have 120 Hz displays.
  • Both support Wi-Fi 5.
  • Both have a 3.5 mm headphone jack.
  • Both charge over USB-C.
  • Both take two SIM cards.

In summary

For most buyers the Infinix Smart 20 is the better buy; the Redmi A7 4G makes sense if you want a higher-resolution main camera.

Back to compared products ↑

In-stock alternatives

Honor X5c 4GFor Redmi A7 4GHonor X5c 4GView product ↗Honor Choice T10For Redmi A7 4GHonor Choice T10View product ↗Honor Play10For Infinix Smart 20Honor Play10View product ↗Redmi A7 Pro 4GFor Infinix Smart 20Redmi A7 Pro 4GView product ↗

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