Shop
  • Deals
  • Deal checker
  • Black Friday
  • Buying guides
  • Brands
  • Stores
Travel
  • Flight deals
  • Hotel deals
Company
  • Research
  • Press
  • deal.ai apps
Black Friday 2026
  • Walmart
  • Best Buy
  • Target
  • TVs
  • Laptops
  • Headphones
  • Apple
  • Gaming
  • Vacuums
  • Kitchen
  • Toys
  • Smartwatches
  • Tablets
  • Furniture
  • Mattresses
© Deal.ai Inc.
TermsPrivacy
Deal.ai › Samsung › Mobile Phones
Samsung
Samsung Galaxy S24 5G S921U 128GB Cobalt Violet

Samsung Galaxy S24 5G S921U 128GB Cobalt Violet

Best price now

$649.97at Best BuyChecked 9 h ago

Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.

Visit Best Buy
Samsung discount code →

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Enter to send, Shift+Enter for a new line

Price facts

  • Lowest price today: $649.97 at Best Buy (checked Nov 10, 2026).

Our take on the Samsung Galaxy S24 5G S921U 128GB Cobalt Violet

The Galaxy S24 is Samsung's compact flagship phone, with a 6.2-inch AMOLED screen, a Snapdragon 8 Gen 3 chip and a 50MP main camera. It stands out for its small size, seven years of promised Android updates and Galaxy AI features like Circle to Search and live call translation. It suits shoppers who want a fast phone that fits one hand and will be supported for years. Against the Pixel 8 it trades a slightly smaller screen and shorter camera zoom for longer software support and stronger raw performance.

Best forBuyers who want a compact, one-hand flagshipAndroid users who keep a phone for many yearsSamsung fans upgrading from an older Galaxy S or A series
Pros
  • Bright 6.2-inch 120Hz AMOLED display
  • Snapdragon 8 Gen 3 handles heavy games and multitasking
  • Seven years of OS and security updates
  • 50MP main camera with 3x optical zoom
  • Galaxy AI tools like Circle to Search and call translation
Cons
  • 128GB base storage with no microSD slot
  • Battery is only 4,000mAh and lasts about a day
  • Charging is slow at 25W wired
  • Exynos chip in some regions runs warmer than the Snapdragon
  • Galaxy AI features need a Samsung account and some need a connection

Samsung Galaxy S24 5G S921U 128GB Cobalt Violet prices at every store

  • Best BuyNew

    In stock

    $649.97Free shippingChecked 9 h ago
    Visit Best Buy

Store links may earn us a commission. Price via Klarna.

Samsung Galaxy S24 5G S921U 128GB Cobalt Violet price history

$649.97$649.97
Nov 8Nov 10

Lowest price we've seen: $649.97 on Nov 8 at Best Buy. Tracked across 1 store since Nov 8.

What reviewers say

Reviewers rate the S24 as one of the best small Android phones, praising its bright screen, speed and long update promise. Owners like the size and camera, but many complain about battery life and the 128GB base storage.

What people mention
  • Size and handlingPraisedOwners like that it is small and light enough for one-handed use.
  • Battery lifeCriticisedMany say the 4,000mAh battery barely makes a full day with heavy use.
  • DisplayPraisedReviewers call the screen bright and smooth, even in sunlight.
  • StorageCriticisedBuyers complain that 128GB fills quickly and there is no microSD slot.
  • PerformancePraisedReviewers say apps and games run fast with no stutter.
  • Charging speedMixedSome find 25W charging adequate, others say it is slow next to rivals.

Specifications

Series
Samsung Galaxy S24Source
5G
YesSource
Color
PurpleSource
Internal Memory Size
128GBSource

Questions and answers

Is the Galaxy S24 worth it over the S23?
Yes if you want the longer seven-year update promise and the brighter screen. The S23 is still fast and has similar battery life, so it remains a reasonable alternative.
How long does the battery last?
Most reviewers get about a day of mixed use. Heavy gaming or long camera sessions will need a charge before evening.
Does it have a microSD slot?
No. Storage is fixed, so pick the 256GB model if you shoot a lot of video.
What is in the box?
The phone, a USB-C cable and a SIM tool. There is no charger or case included.
How does it compare with the Galaxy S24 Ultra?
The Ultra has a larger screen, a 5x periscope zoom, an S Pen and a bigger battery. The S24 is smaller, lighter and easier to use one-handed.
Does it support eSIM and 5G?
Yes. It supports 5G and both physical SIM and eSIM, depending on carrier.
Where is the Samsung Galaxy S24 5G S921U 128GB Cobalt Violet cheapest?
At Best Buy, for $649.97, as of our latest check.
Is the Samsung Galaxy S24 5G S921U 128GB Cobalt Violet at its lowest price?
Yes: $649.97 is the lowest price we've seen for it since November 8.

Stores we've priced the Samsung Galaxy S24 5G S921U 128GB Cobalt Violet at

  • Best Buy deals and prices

More from Samsung

  • S
    Samsung Galaxy S24 Plus 256GB Marble Gray
    Samsung Galaxy S24 Plus 256GB Marble Gray
  • G
    Galaxy S24 Ultra 256GB (Verizon)
    Galaxy S24 Ultra 256GB (Verizon)
  • S
    Samsung Galaxy S24 256GB Amber Yellow
    Samsung Galaxy S24 256GB Amber Yellow
  • S
    Samsung Galaxy S24 5G SM-S921U 128GB Amber Yellow (US Model) Factory Unlocked Cell Phone
    Samsung Galaxy S24 5G SM-S921U 128GB Amber Yellow (US Model) Factory Unlocked Cell Phone
  • S
    Samsung Galaxy S24 5G 128GB Marble Gray
    Samsung Galaxy S24 5G 128GB Marble Gray
  • S
    Samsung Galaxy S24 5G 6.2" (T-Mobile)
    Samsung Galaxy S24 5G 6.2" (T-Mobile)
  • S
    Samsung Galaxy S24 5G S921U 128GB Onyx Black
    Samsung Galaxy S24 5G S921U 128GB Onyx Black
  • S
    Samsung Galaxy S24 5G SM-S921U Unlocked
    Samsung Galaxy S24 5G SM-S921U Unlocked
All Samsung deals and products →

More smartphones

  • U
    Ulefone Armor 27 Pro
    Ulefone Armor 27 Pro
  • S
    Samsung Galaxy XCover7 Pro
    Samsung Galaxy XCover7 Pro
  • A
    Armor X16 Pro
    Armor X16 Pro
  • D
    DOOGEE Blade 10 Rugged Smartphone Unlocked
    DOOGEE Blade 10 Rugged Smartphone Unlocked
  • A
    Armor X13
    Armor X13
  • O
    Oukitel WP60 Rugged Phone Unlocked
    Oukitel WP60 Rugged Phone Unlocked
  • O
    OUKITEL WP23S Rugged Phone Unlock
    OUKITEL WP23S Rugged Phone Unlock
  • O
    Oukitel WP200 Pro Rugged Phone with Detachable Earbud and Smartwatch
    Oukitel WP200 Pro Rugged Phone with Detachable Earbud and Smartwatch