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Smartphone comparison

Redmi A5 4G vs Vivo Y31d

Compare cameras, battery, screen and everyday features.

Compared products
01Selected
Redmi A5 4G

Redmi A5 4G

  • 193 g.
  • 6.88-inch screen for your workspace.
  • Unisoc T7250 (12 nm) processor.
  • Storage: eMMC 5.1.
  • 5,200 mAh battery capacity.
Out of Stock
02
Vivo Y31d

Vivo Y31d

  • 219 g.
  • About 120 Hz display refresh rate.
  • About 6.75 inch screen.
  • Qualcomm SM6225-AF Snapdragon 6s 4G Gen 2 (6 nm) processor.
  • Storage: UFS 2.2.
KSh 27,400In Stock
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Oppo A6 4GKSh 35,150
Redmi A7 Pro 4GKSh 18,000
Itel A200 4GKSh 16,999
Vivo Y05 4GKSh 20,200
OPPO A5 Pro 5G 256GBKSh 32,100
Redmi Note 15 4GKSh 27,500
Vivo Y11dKSh 24,100
2 of 4 products

Our quick verdict

The Vivo Y31d has a bigger battery (7,200 mAh), charges faster (44 W) and runs newer Android 16, while the Redmi A5 4G is lighter (193 g), has a headphone jack for wired earphones and offers FM radio.

Weight

Redmi A5 4G
193 g
Vivo Y31d
219 g

Display

Redmi A5 4G
720 x 1640 pixels (~260 ppi density)
Vivo Y31d
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)

Performance

Redmi A5 4G
Unisoc T7250 (12 nm) processor
Vivo Y31d
Qualcomm SM6225-AF Snapdragon 6s 4G Gen 2 (6 nm) processor

Storage

Redmi A5 4G
EMMC 5.1
Vivo Y31d
UFS 2.2

Battery capacity

Redmi A5 4G
5,200 mAh battery capacity
Vivo Y31d
7,200 mAh battery capacity

Key differences

The main differences to help you choose.

Redmi A5 4G

  • FM radio.
  • Newer Bluetooth 5.2 (vs 5.1).
  • Lighter: 193 g (vs 219 g).
  • 3.5 mm headphone jack.

Vivo Y31d

  • Bigger battery: 7,200 mAh (vs 5,200 mAh).
  • Faster rated wired charging: 44 W (vs 15 W).
  • Higher-resolution main camera: 50 MP (vs 32 MP).
  • Newer Android 16 (vs Android 15).
  • Brighter display: up to 1,250 nits (vs 450).
  • Faster UFS 2.2 storage (vs eMMC).

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 A5 4GVivo Y31d
Display6.88-inch LCD display, 120 Hz, 260 ppi6.75-inch LCD display, 120 Hz, 256 ppi
Camera32 MP main camera50 MP main camera
PerformanceUnisoc T7250 processorQualcomm Snapdragon 6s 4G Gen 2 processor
StorageUp to 128 GB storageUp to 256 GB storage
Battery capacity5,200 mAh battery7,200 mAh battery
Charging15 W wired charging44 W wired charging

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationRedmi A5 4GVivo Y31d
BrandRedmiVivo
ModelRedmi A5 4GY31d
Announced2025, March 212026, January 16
Release statusAvailable. Released 2025, March 21Available. Released 2026, January
Model numbers25028PC03G, 25028RN03A, 25028RN03I, 25028RN03YV2543

Design

Design specifications comparison
SpecificationRedmi A5 4GVivo Y31d
Dimensions171.7 x 77.8 x 8.3 mm (6.76 x 3.06 x 0.33 in)166.6 x 78.4 x 8.4 mm (6.56 x 3.09 x 0.33 in)
Weight193 g (6.81 oz)219 g (7.72 oz)
Build materials—Glass front, plastic frame, plastic back

Display

Display specifications comparison
SpecificationRedmi A5 4GVivo Y31d
Display6.88 inches, 112.4 cm2 (~84.1% screen-to-body ratio); IPS LCD, 120Hz, 450 nits (typ)6.75 inches, 111.4 cm2 (~85.3% screen-to-body ratio); IPS LCD, 120Hz, 1250 nits (HBM)
Screen resolution720 x 1640 pixels (~260 ppi density)720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
Display features120Hz, 450 nits (typ)IPS LCD, 120Hz, 1250 nits (HBM)
Display technologyIPS LCD—
Display size6.88 inches—
Refresh rate120Hz—
Brightness450 nits (typ)—
Pixel density260 ppi—
Screen-to-body ratio84.1% screen-to-body ratio—

Performance

Performance specifications comparison
SpecificationRedmi A5 4GVivo Y31d
ProcessorUnisoc T7250 (12 nm)Qualcomm SM6225-AF Snapdragon 6s 4G Gen 2 (6 nm)
CPUOcta-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)Octa-core (4x2.9 GHz Cortex-A73 & 4x1.9 GHz Cortex-A53)
GPUMali-G57 MP1Adreno
Software supportup to 2 major OS updates—
Process node12 nm—

Memory & Storage

Memory & Storage specifications comparison
SpecificationRedmi A5 4GVivo Y31d
RAM3GB, 4GB, 6GB4GB, 6GB
Storage64GB, 128GB128GB, 256GB
Storage technologyeMMC 5.1UFS 2.2
Expandable storagemicroSDXC (dedicated slot)No
Memory configurations64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM128GB 6GB RAM,128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM

Cameras

Cameras specifications comparison
SpecificationRedmi A5 4GVivo Y31d
Rear camera32 MP, f/2.0, (wide) Auxiliary lens50 MP, f/2.0, 21mm (wide), PDAF Auxiliary lens
Front camera8 MP, f/2.0, (wide)8 MP, f/2.1, (wide)
Rear camera featuresLED flash, HDRLED flash, HDR, panorama
Rear camera video1080p@30fps1080p@30fps
Front camera featuresHDR—
Front camera video1080p@30fps1080p@30fps

Battery & Charging

Battery & Charging specifications comparison
SpecificationRedmi A5 4GVivo Y31d
Battery5200 mAhSi/C Li-Ion 7200 mAh
Charging15W wired44W wired, 50% in 43 min Reverse wired Bypass Charging

Software

Software specifications comparison
SpecificationRedmi A5 4GVivo Y31d
Operating systemAndroid 15 (Go edition), up to 2 major OS updatesAndroid 16, OriginOS 6

Network

Network specifications comparison
SpecificationRedmi A5 4GVivo Y31d
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 / 2100
4G bands1, 3, 5, 7, 8, 20, 28, 38, 40, 411, 3, 5, 8, 20, 28, 38, 40, 41
Network speedHSPA, LTEHSPA, LTE

Connectivity

Connectivity specifications comparison
SpecificationRedmi A5 4GVivo Y31d
NFCNoNo
Bluetooth5.2, A2DP, LE5.1, A2DP, LE
Wi-FiWi-Fi 802.11 a/b/g/n/ac, dual-bandWi-Fi 802.11 a/b/g/n/ac, dual-band
PositioningGPS, GALILEO, GLONASS, BDSGPS, GALILEO, GLONASS, BDS, QZSS
RadioFM radioNo
USBUSB Type-C 2.0USB Type-C 2.0, OTG
Infrared—Yes

Durability

Durability specifications comparison
SpecificationRedmi A5 4GVivo Y31d
Water resistanceDust and splash resistantIP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)

Features

Features specifications comparison
SpecificationRedmi A5 4GVivo Y31d
SensorsFingerprint (side-mounted), accelerometer, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
ColorsOcean Blue, Lake Green, Sandy Gold, Midnight BlackGlow White, Starlight Grey

Audio

Audio specifications comparison
SpecificationRedmi A5 4GVivo Y31d
LoudspeakersYesYes, with stereo speakers
3.5 mm headphone jackYesNo

EU label

EU label specifications comparison
SpecificationRedmi A5 4GVivo Y31d
EnergyClass B—
Battery45:26h endurance, 1000 cycles—
Free fallClass A (270 falls)—
RepairabilityClass C—

Regional configurations

Regional configurations specifications comparison
SpecificationRedmi A5 4GVivo Y31d
Additional regional memory configuration—128GB 4GB RAM (vivo Indonesia)

Similarities

  • Both have 120 Hz displays.
  • Both support Wi-Fi 5.
  • Both charge over USB-C.
  • Both take two SIM cards.
  • Both have similar screen sizes (6.88 and 6.75 inches).
  • Both connect over Bluetooth.

In summary

For most buyers the Vivo Y31d is the better buy; the Redmi A5 4G makes sense if you want a lighter phone.

Back to compared products ↑

In-stock alternatives

Redmi A7 Pro 4GFor Redmi A5 4GRedmi A7 Pro 4GView product ↗Infinix Hot 60 Pro+For Redmi A5 4GInfinix Hot 60 Pro+View product ↗Motorola G06 PowerFor Vivo Y31dMotorola G06 PowerView product ↗

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