vivo Y3s (2021) vs vivo Y51a: A Detailed Comparison

Looking for an affordable smartphone? The vivo Y3s (2021) and Y51a are popular contenders in the budget segment. But which one offers the best value for your money? This comprehensive comparison dives deep into their features, performance, and overall user experience.
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🏆 Quick Verdict

The vivo Y51a is the clear winner. Its Snapdragon 662 chipset provides significantly better performance, faster charging, and a more modern processor compared to the Y3s' Helio P35. While the Y3s might be slightly cheaper, the Y51a's improvements justify the price difference.

PHONES
Phone Names vivo Y3s (2021) vivo Y51a
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 2100
4G bands1, 3, 5, 8, 401, 3, 5, 8, 40
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
Launch
Announced2021, October 182021, January 08
StatusAvailable. Released 2021, October 18Available. Released 2021, January 23
Body
BuildGlass front, plastic back, plastic frame-
Dimensions164.4 x 76.3 x 8.4 mm (6.47 x 3.00 x 0.33 in)163.9 x 75.3 x 8.4 mm (6.45 x 2.96 x 0.33 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight190 g (6.70 oz)188 g (6.63 oz)
Display
Resolution720 x 1600 pixels, 20:9 ratio (~270 ppi density)1080 x 2408 pixels, 20:9 ratio (~401 ppi density)
Size6.51 inches, 102.3 cm2 (~81.6% screen-to-body ratio)6.58 inches, 104.3 cm2 (~84.5% screen-to-body ratio)
TypeIPS LCDIPS LCD
Platform
CPUOcta-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
ChipsetMediatek MT6765 Helio P35 (12 nm)Qualcomm SM6115 Snapdragon 662 (11 nm)
GPUPowerVR GE8320Adreno 610
OSAndroid 11 (Go edition), Funtouch 11Android 11, upgradable to Android 12, Funtouch 12
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal32GB 2GB RAM128GB 6GB RAM, 128GB 8GB RAM
 eMMC 5.1-
Main Camera
FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Single13 MP, f/2.2, 27mm (wide), AF-
Triple-48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚, (ultrawide), 1/4.0", 1.12µm 2 MP (macro)
Video1080p@30fps4K@30fps, 1080p@30fps, gyro-EIS
Selfie camera
Features-HDR
Single5 MP, f/1.816 MP, f/2.0, (wide), 1/3.06" 1.0µm
VideoUnspecified1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
NFCNoNo
PositioningGPS, GLONASS, GALILEO, BDSGPS, GLONASS, GALILEO, BDS
RadioFM radioFM radio
USBmicroUSB 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 b/g/n, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsAccelerometer, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Charging10W wired 5W reverse wired18W wired, 70% in 67 min
Type5000 mAh5000 mAh
Misc
ColorsStarry Blue, Pearl White, Mint GreenTitanium Sapphire, Crystal Symphony
ModelsV2044V2031
PriceAbout 110 EURAbout 200 EUR
SAR-0.87 W/kg (head)     0.39 W/kg (body)

vivo Y3s (2021)

  • More affordable
  • Compact size
  • Decent basic functionality

  • Slow performance
  • Slow charging
  • Outdated chipset
  • Limited camera capabilities

vivo Y51a

  • Better performance
  • Faster charging
  • More versatile camera
  • Modern chipset

  • Slightly more expensive
  • May be slightly larger

Display Comparison

Both phones feature a 6.51-inch display, likely with an HD+ resolution. The Y51a's slightly newer chipset *might* allow for marginally better color accuracy and brightness, but the difference will be minimal for most users. Expect similar viewing experiences overall.

Camera Comparison

The Y51a generally boasts a more versatile camera system, often including a higher resolution main sensor and potentially additional lenses like an ultrawide. While both offer decent image quality in good lighting, the Y51a will likely perform better in low-light conditions and offer more creative options. Expect the Y3s to have a simpler camera setup.

Performance

This is where the Y51a shines. The Snapdragon 662 is a considerably more powerful chipset than the Helio P35. Expect smoother multitasking, faster app loading times, and better gaming performance on the Y51a. The Y3s will feel sluggish by comparison, especially with demanding apps.

Battery Life

The Y51a has a clear advantage with its 18W fast charging, significantly reducing charging times compared to the Y3s' 10W charging. Both phones likely have a similar battery capacity (around 5000mAh), but the faster charging on the Y51a makes it more convenient.

Buying Guide

Who should buy the vivo Y3s (2021)? Users on the absolute tightest budget who prioritize basic functionality and a smaller form factor. Who should buy the vivo Y51a? Anyone seeking a smoother experience, better performance for everyday tasks and gaming, and faster charging without breaking the bank.

Frequently Asked Questions

❓ Is the vivo Y3s (2021) good for gaming?
The Y3s (2021) is not ideal for gaming. Its chipset struggles with demanding games, resulting in lag and low frame rates. The Y51a offers a much better gaming experience.
❓ Which phone has better battery life?
Both phones likely have similar battery capacities, but the Y51a's faster charging makes it more convenient overall. You'll spend less time plugged in.
❓ What is the difference between the chipsets?
The Qualcomm Snapdragon 662 in the Y51a is significantly more powerful and efficient than the Mediatek Helio P35 in the Y3s. This translates to better performance, smoother multitasking, and improved power efficiency.