OPPO A9 2020 vs Vivo S1 4GB

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OPPO A9 2020

OPPO A9 2020

$299

8 GB RAM 128 GB

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Vivo S1 4GB

Vivo S1 4GB

$228

4 GB RAM 128 GB

A9 2020S1 4GB
PriceUSD 299USD 228
Battery5000 mAh4500 mAh
Charging (W)1018
RAM8 GB4 GB
Storage128 GB128 GB
ChipsetQualcomm Snapdragon 665MediaTek Helio P65 MT6768
Display6.5" • IPS LCD • 60Hz6.38" • Super AMOLED • 60Hz
Main Camera48MP16MP
Front Camera16MP32MP
OSAndroid 9Android 9 Pie

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Key Differences

Only the differences that meaningfully separate these phones.

Price
USD 71 cheaper
vsA9 2020USD 299
RAM
2× more RAM
vsS1 4GB4 GB RAM
Battery
11% larger battery
vsS1 4GB4,500 mAh
Charging
8 W faster wired charging
vsA9 202010 W wired
Performance
Different chipsets
vsS1 4GBMediaTek Helio P65 MT6768
Build
16 g lighter
vsA9 2020195 g
Camera
Higher-resolution main camera
vsS1 4GB16MP rear

Best For

Where each phone stands out based on this comparison.

Best if you want

OPPO A9 2020

More hardware
More RAM8 GB RAM
Larger battery5,000 mAh
Higher-resolution main camera48MP rear
Best if you want

Vivo S1 4GB

Lower price
Much lower purchase priceUSD 228
Faster wired charging18 W wired
Lighter build179 g

What CompareTab says about OPPO A9 2020 vs Vivo S1 4GB

OPPO A9 2020 offers more RAM and a larger battery than S1 4GB, with 8 GB of RAM versus 4 GB and a 5000 mAh battery versus 4500 mAh. It also adds a higher-resolution rear camera (48 MP versus 16 MP) and NFC. Vivo S1 4GB, however, is around $71.00 cheaper, lighter at 179 g versus 195 g, and thinner at 8.13 mm versus 9.1 mm and supports faster wired charging at 18 W versus 10 W. The choice comes down to A9 2020’s extra RAM, battery capacity, and higher-resolution front camera versus S1 4GB’s lower price, faster charging, and lighter, thinner build.