Galaxy S21 Ultra 5G vs Google Pixel 6
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Galaxy S21 Ultra 5G
Starting at
£268.86£1,316.00 new
Google Pixel 6
Starting at
£120.00What's the difference between the Galaxy S21 Ultra 5G and Google Pixel 6?
Galaxy S21 Ultra 5G vs Google Pixel 6 comes down to the chipset, RAM and battery. Refurbished, the Google Pixel 6 starts at £120, £148.86 less than the Galaxy S21 Ultra 5G.
Refurbished from
Chipset
RAM
Battery
Screen size
Screen type
- Chipset: Exynos 2100 (5 nm), Qualcomm SM8350 Snapdragon 888 5G (5 nm) on the Galaxy S21 Ultra 5G, Google Tensor on the Google Pixel 6.
- The Galaxy S21 Ultra 5G has more RAM: 12 GB vs 8 GB.
- The Galaxy S21 Ultra 5G has a bigger battery: 5000 mAh vs 4614 mAh.
Galaxy S21 Ultra 5G vs Google Pixel 6 specs
The Galaxy S21 Ultra 5G and Google Pixel 6 both run Android and were released in 2021, but they differ in size, screen quality, camera resolution, and performance features. The Galaxy S21 Ultra 5G has a larger, higher resolution screen with a faster refresh rate, more RAM, and higher megapixel cameras, suited to users who want a larger display and detailed photos. The Google Pixel 6 offers a slightly smaller screen with fewer megapixels and lower RAM but remains a practical choice for everyday use with solid performance and a clean design.
Galaxy S21 Ultra 5G vs Google Pixel 6 price
Colour
- BlackStarting at £268.86
- Dark BlueStarting at £268.86
- SilverStarting at £268.86
- BrownStarting at £268.86
- Dark greyStarting at £268.86
- BlackSold out
- CoralSold out
- GreenSold out
Storage
- 128GBSold out
- 256GBSold out
Galaxy S21 Ultra 5G vs Google Pixel 6 battery life and software updates
Durability matters for daily use and longevity. Both were released in 2021.
Battery Capacity
The Galaxy S21 Ultra 5G has a 5000 mAh battery, which offers more capacity than the Pixel 6's 4614 mAh. This suits users who prioritise longer battery life between charges. The Pixel 6's battery remains good for everyday use but may require more frequent charging if you use power-hungry apps.
Software Updates
This ensures you get current software features and security improvements, keeping either phone up to date over time.
Battery
Foldable
Ip rating
Software updates
Wireless charging
Year of release
Galaxy S21 Ultra 5G vs Google Pixel 6 performance
Performance affects how smooth and fast your apps run. The two phones have different chipsets and RAM amounts, which influence multitasking and processing power.
Chipset Differences
The Galaxy S21 Ultra 5G uses either the Exynos 2100 or Qualcomm Snapdragon 888 chipset, both built on a 5 nm process, while the Pixel 6 runs on Google Tensor, also 5 nm. Each chipset brings unique software optimisations and performance qualities suited to different user preferences.
RAM Capacity
With 12 GB of RAM, the Galaxy S21 Ultra 5G can keep more apps open simultaneously and handle demanding tasks smoothly. The Pixel 6 has 8 GB of RAM, which is effective for everyday apps and typical multitasking but may be simpler for very heavy use.
Storage Options
The Galaxy S21 Ultra 5G offers 128GB, 256GB, and 512GB storage options, making it suitable for users who store many files or apps. The Pixel 6 comes with 128GB or 256GB, which should be ample for everyday use and moderate storage needs.
Chipset
RAM
Galaxy S21 Ultra 5G vs Google Pixel 6 screen
Screen quality influences your viewing experience for media, gaming, and general use. These phones differ in size, resolution, refresh rate, and screen technology.
Screen Size and Resolution
The Galaxy S21 Ultra 5G has a 6.8 inch screen with a resolution of 1440 x 3200, offering a larger and sharper display for watching videos or browsing. The Pixel 6's 6.4 inch screen with 1080 x 2400 resolution suits those who prefer a more compact phone with a clear display.
Refresh Rate
A 120 Hz refresh rate on the Galaxy S21 Ultra 5G delivers smoother scrolling and animations, which benefits gamers and frequent scrollers. The Pixel 6's 90 Hz refresh rate still provides fluid motion, making it well suited for everyday use without the highest refresh speed.
Screen Technology
The Galaxy S21 Ultra 5G uses Dynamic AMOLED 2X technology, which can enhance brightness and colour vibrancy for richer images. The Pixel 6 uses AMOLED, which also offers vivid colours but with fewer enhancements compared to Dynamic AMOLED 2X.
Refresh rate
Resolution
Screen size
Screen type
Galaxy S21 Ultra 5G vs Google Pixel 6 camera
Camera quality is key for photos and video calls. Both phones have high-resolution cameras, but the Galaxy S21 Ultra 5G offers higher megapixel counts on both front and main cameras.
Front Camera Resolution
The Galaxy S21 Ultra 5G features a 40 megapixel front camera, ideal for detailed selfies and sharp video calls. The Pixel 6 has an 8 megapixel front camera, which performs well for everyday photo and video needs.
Main Camera Resolution
With a 108 megapixel main camera, the Galaxy S21 Ultra 5G captures very detailed photos, suitable for users who want high-resolution images or to crop pictures without losing quality. The Pixel 6's 50 megapixel main camera offers clear and capable photography for most users.
Camera type
Front camera
Main camera
Galaxy S21 Ultra 5G vs Google Pixel 6 size and design
Various physical and compatibility features affect how the phones fit into your daily life. Both devices support 5G, are unlocked, and use USB-C connectors.
Size and Weight
The Galaxy S21 Ultra 5G is larger and heavier at 165.1 mm tall, 75.6 mm wide, and 227 g, which suits those who prefer a bigger phone with a more substantial feel. The Pixel 6 is slightly smaller and lighter at 158.6 mm tall, 74.8 mm wide, and 207 g, making it easier to handle for those favouring a compact device.
SIM and Storage
Both phones support a physical SIM plus eSIM and do not have SD card slots. This means storage depends on the internal capacity you choose when buying the device.
Carrier compatibility
Connector
Depth
Height
Mobile network
Release date
SD card slot
SIM card
Weight
Width
Galaxy S21 Ultra 5G or Google Pixel 6: which should you buy?
Buy the Galaxy S21 Ultra 5G if
- you want more RAM (12 GB vs 8 GB)
- you want a bigger battery (5000 mAh vs 4614 mAh)
- you want a bigger screen (6.8 inch vs 6.4 inch)
Buy the Google Pixel 6 if
- you want to spend less: it starts at £120, £148.86 less than the Galaxy S21 Ultra 5G
- you want a lighter build (207 g vs 227 g)
What our customers say
Customers who bought the Galaxy S21 Ultra 5G often mention the phone looks like new with some minor cosmetic marks depending on condition chosen. Many find it fast, reliable, and a good value alternative to new phones. The larger screen and high-quality display receive praise, and users appreciate the phone's speed and camera features. Some note the battery life and overall quality meet their expectations for a premium device.
For the Google Pixel 6, customers describe it as a practical phone with a slick and clean design. The device is popular for its camera quality and everyday performance. Many users find the battery life sufficient, charging quickly when needed. The Pixel 6 appeals to those seeking a well-rounded phone at a lower price point. Customers frequently mention the phone feels new and works smoothly.
Both phones attract buyers interested in refurbished options that balance quality and cost. The Galaxy S21 Ultra 5G suits users wanting a larger screen and more features, while the Pixel 6 fits those preferring a simpler, well-performing device for everyday use.
Galaxy S21 Ultra 5G vs Google Pixel 6 FAQs
Galaxy S21 Ultra 5G vs Google Pixel 6 comes down to the chipset, RAM and battery. Chipset: Exynos 2100 (5 nm), Qualcomm SM8350 Snapdragon 888 5G (5 nm) on the Galaxy S21 Ultra 5G, Google Tensor on the Google Pixel 6. The Galaxy S21 Ultra 5G has more RAM: 12 GB vs 8 GB.
The Google Pixel 6 is cheaper refurbished, from £120 compared with £268.86 for the Galaxy S21 Ultra 5G.
The Galaxy S21 Ultra 5G has a bigger battery: 5000 mAh vs 4614 mAh.
The Galaxy S21 Ultra 5G has a higher-resolution main camera: 108 megapixels vs 50 megapixels.
Updates for the Galaxy S21 Ultra 5G ended in Feb 2026. Updates for the Google Pixel 6 ended in Oct 2026. Its last version is Android 17.
Refurbished, the Galaxy S21 Ultra 5G comes in 128GB, 256GB and 512GB, and the Google Pixel 6 in 128GB and 256GB.
