Samsung Galaxy A31 vs Samsung Galaxy A51: What's the Difference?

Samsung Galaxy A31 is believed to be powered by core MediaTek Helio P65 SoC but Samsung has not confirmed the actual processor, whereas Galaxy A51 uses Exynos 9611 SoC.

Advertisement
By Vineet Washington | Updated: 25 March 2020 13:00 IST
Highlights
  • Samsung Galaxy A31 and Galaxy A51 have in-display fingerprint scanners
  • Samsung has not provided pricing and availability for Galaxy A31
  • Galaxy A31 will come in two variants 4GB + 64GB and 6GB + 128GB

Samsung Galaxy A31 has a notch design while Samsung Galaxy A51 has hole-punch design

Samsung Galaxy A31 made its debut yesterday, March 24, and is going to be a mid-range smartphone joining the company's Galaxy A-series. It comes with an octa-core processor and a quad rear camera setup that puts it against another smartphone in Samsung's Galaxy A-series, the Galaxy A51. The Galaxy A51 was launched in January and is powered by an octa-core processor as well and boasts of four rear cameras. So, let's see what sets the newer Galaxy A31 apart from the relatively older Galaxy A51.

Galaxy A31 vs Galaxy A51: Price

The Samsung Galaxy A31 was announced on March 24 but Samsung has not shared pricing and availability for the phone as of yet. We do, however, know that it will come in two variants, 4GB + 64GB and 6GB + 128GB. There will be four colour options - Prism Crush Black, Prism Crush Blue, Prism Crush Red, and Prism Crush White.

Advertisement

On the other hand, the Samsung Galaxy A51 comes in only one variant, 6GB + 128GB onboard storage that is priced at Rs. 23,999. It is available in three colour options namely, Prism Crush Black, Prism Crush Blue, and Prism Crush White. The Galaxy A51 is available for purchase from the Samsung store as well as Amazon in India.

Galaxy A31 vs Galaxy A51: Specifications

Samsung hasn't officially stated the Android version in the Galaxy A31 but it is expected to be Android 10. It also packs 6.4-inch full-HD+ (1,080x2,400 pixels) AMOLED display. In contrast, the Galaxy A51 has a slightly larger 6.5-inch Super AMOLED full-HD+ (1,080x2,400 pixels) display.

Advertisement

Under the hood, the Galaxy A31 comes with an unspecified octa-core chip that has two cores clocked at 2.0GHz and six cores clocked at 1.7GHz. Previous reports have suggested that the phone will be powered by a MediaTek Helio P65 SoC. It comes with up to 6GB RAM. The Galaxy A51 is powered by an octa-core Exynos 9611 SoC, coupled with 6GB RAM.

Coming to optics, both phones have four cameras on the back. The Galaxy A31 has a 48-megapixel primary camera with f/2.0 aperture, an 8-megapixel sensor with an ultra-wide-angle lens and f/2.2 aperture, a 5-megapixel depth sensor with f/2.4 lens, and a 5-megapixel macro camera with f/2.5 aperture. On the front, the Galaxy A31 has a 20-megapixel camera with f/2.2 aperture, housed in a notch.

Advertisement

The Galaxy A51, on the other hand, has a 48-megapixel primary sensor with an f/2.0 lens, a 12-megapixel ultra-wide-angle camera with an f/2.0 aperture, a 5-megapixel macro camera with an f/2.4 aperture, and a 5-megapixel depth sensor with an f/2.2 lens. On the front, it has a 32-megapixel selfie shooter with f/2.2 aperture.

Both the Galaxy A31 and Galaxy A51 have a maximum of 128GB onboard storage that can be expanded via microSD card (up to 512GB). There is no official information on connectivity options for the Galaxy A31 as of yet but an FCC listing points at dual-band Wi-Fi - i.e., 2.4GHz and 5GHz - apart from 4G LTE. A Bluetooth SIG certification suggests the presence of Bluetooth v5.0, as well as a USB Type-C port. The Galaxy A51 has 4G VoLTE, Wi-Fi, Bluetooth v5.0, GPS/ A-GPS, and a USB Type-C port. Both phones come with in-display fingerprint scanners.

Advertisement

In terms of battery, the Galaxy A31 has 5,000mAh with support for 15W fast charging while the Galaxy A51 has a smaller 4,500mAh battery but supports 25W fast charging. The former comes in at 159.3x73.1x8.6mm in size and weighs 185 grams while the latter is 158.5x73.6x7.9mm in size and weighs 172 grams.

 
Samsung Galaxy A31 vs Samsung Galaxy A51 comparison

Key Specs

Display
6.40-inch6.50-inch
Processor
MediaTek Helio P65-
Front Camera
20-megapixel 32-megapixel
Rear Camera
48-megapixel + 8-megapixel + 5-megapixel + 5-megapixel 48-megapixel + 12-megapixel + 5-megapixel + 5-megapixel
RAM
6GB6GB
Storage
128GB128GB
Battery Capacity
5000mAh4000mAh
OS
Android 10Android 10
Resolution
1080x2400 pixels1080x2400 pixels
REVIEW
  • Design
  • Display
  • Software
  • Performance
  • Battery Life
  • Camera
  • Value for Money
  • Good
  • Solid battery life
  • Vivid display
  • One UI is good
  • Bad
  • Underwhelming system performance
  • Mediocre cameras
  • Fingerprint sensor isn’t quick
  • Slightly boring design
 
KEY SPECS
Display 6.40-inch
Processor MediaTek Helio P65
Front Camera 20-megapixel
Rear Camera 48-megapixel + 8-megapixel + 5-megapixel + 5-megapixel
RAM 6GB
Storage 128GB
Battery Capacity 5000mAh
OS Android 10
Resolution 1080x2400 pixels
NEWS
REVIEW
  • Design
  • Display
  • Software
  • Performance
  • Battery Life
  • Camera
  • Value for Money
  • Good
  • Bright, vivid display
  • Clean, feature-rich software
  • Good battery life
  • Bad
  • Biometric authentication isn’t very quick
  • Underwhelming performance for the price
  • Average low-light camera performance
 
KEY SPECS
Display 6.50-inch
Front Camera 32-megapixel
Rear Camera 48-megapixel + 12-megapixel + 5-megapixel + 5-megapixel
RAM 6GB
Storage 128GB
Battery Capacity 4000mAh
OS Android 10
Resolution 1080x2400 pixels
NEWS

Get your daily dose of tech news, reviews, and insights, in under 80 characters on Gadgets 360 Turbo. Connect with fellow tech lovers on our Forum. Follow us on X, Facebook, WhatsApp, Threads and Google News for instant updates. Catch all the action on our YouTube channel.

Advertisement

Related Stories

Popular Mobile Brands
  1. Lumio Launches 55-Inch Variants of Vision 9 (2026), Vision 7 (2026) in India
  2. Here's Everything That Was Announced at Sony's State of Play Broadcast
  3. Realme P4R 5G India Launch Date, Design and Key Specifications Revealed
  4. RTX Spark-Powered Laptops Could Cost a Lot More Than Regular AI PCs
  5.  Xiaomi 18, 18 Pro and 18 Pro Max Specifications Leaked Ahead of Debut
  6. Motorola Edge 2026 With 6.3-Inch Display Goes Official
  1. UK's FCA Warns Premier League Clubs Over Unauthorised Crypto Sponsor Risks
  2. Vivo X500 Pro Max Display and Battery Details Surface Online in Early Leak; Largest Model Said to Feature 6.85-Inch Screen
  3. Google Introduces Fake Call Detection for Android Phones to Curb Call Spoofing Attacks
  4. Google Rolls Out Gemini Thinking Levels Across Platforms With 'Extended' Thinking Mode for All Users
  5. Samsung Galaxy A27 Reportedly Bags US FCC Certification Ahead of Anticipated Launch
  6. NYDFS, European Banking Authority Join Forces to Oversee, Monitor Stablecoin Activities
  7. Meta Reportedly Testing ‘Series’ Feature to Organise Instagram, Facebook Reels Into Episodic Collections
  8. Xiaomi 18 Tipped to Sport 6.4-Inch Display; Pro Models Said to Feature Dual 200-Megapixel Rear Cameras
  9. Realme P4R 5G India Launch Date Revealed Along With Design and Key Specifications
  10. Marvel's Wolverine Gets Visceral Gameplay Trailer at State of Play, Pre-Orders Now Live
Download Our Apps
Available in Hindi
© Copyright Red Pixels Ventures Limited 2026. All rights reserved.