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Smartphone comparison

Samsung Galaxy S24 Refurbished vs Samsung Galaxy S23 Ultra Refurbished

Compare cameras, battery, screen and everyday features.

Compared products
01Selected
Samsung Galaxy S24 Refurbished

Samsung Galaxy S24 Refurbished

  • About 6.2 inch screen.
  • Adreno 750 (1 GHz) - USA/Canada/China, Xclipse 940 - International graphics.
  • 256 GB storage in this version.
  • 4,000 mAh battery capacity.
  • 25 W rated wired charging power.
KSh 58,500In Stock
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02
Samsung Galaxy S23 Ultra Refurbished

Samsung Galaxy S23 Ultra Refurbished

  • 234 g.
  • About 6.8 inch screen.
  • Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) processor.
  • Storage: UFS 4.0.
  • 5,000 mAh battery capacity.
KSh 70,000In Stock
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Samsung Galaxy Z Flip6 RefurbishedKSh 61,500
Samsung Galaxy S24 FE 5GKSh 57,500
Nothing Phone 3a ProKSh 58,000
Honor 600 5GKSh 60,000
Infinix GT 50 ProKSh 58,800
Motorola Edge 70 FusionKSh 56,000
Vivo X60 ProKSh 63,000
2 of 4 products

Our quick verdict

The Samsung Galaxy S23 Ultra Refurbished has a bigger battery (5,000 mAh), charges faster (45 W) and has a larger 6.8-inch, sharper screen, while the Samsung Galaxy S24 Refurbished has 7 promised OS upgrades and a brighter screen for outdoor use and offers video output to a monitor over USB-C.

Display

Samsung Galaxy S24 Refurbished
About 6.2 inch screen
Samsung Galaxy S23 Ultra Refurbished
About 6.8 inch screen

Performance

Samsung Galaxy S24 Refurbished
Adreno 750 (1 GHz) - USA/Canada/China Xclipse 940 - International graphics
Samsung Galaxy S23 Ultra Refurbished
Adreno 740 graphics

Storage

Samsung Galaxy S24 Refurbished
UFS 3.1 - 128GB only UFS 4.0
Samsung Galaxy S23 Ultra Refurbished
UFS 4.0

Battery capacity

Samsung Galaxy S24 Refurbished
4,000 mAh battery capacity
Samsung Galaxy S23 Ultra Refurbished
5,000 mAh battery capacity

Charging

Samsung Galaxy S24 Refurbished
25 W rated wired charging power
Samsung Galaxy S23 Ultra Refurbished
45 W rated wired charging power

Key differences

The main differences to help you choose.

Samsung Galaxy S24 Refurbished

  • More promised OS upgrades: 7 (vs 4).
  • Brighter display: up to 2,600 nits (vs 1,750).
  • Lighter: 167 g (vs 234 g).
  • Slimmer: 7.6 mm thick (vs 8.9 mm).
  • Video output to an external display over USB-C.
  • Newer Android 14 (vs Android 13).

Samsung Galaxy S23 Ultra Refurbished

  • Bigger battery: 5,000 mAh (vs 4,000 mAh).
  • Faster rated wired charging: 45 W (vs 25 W).
  • Sharper screen: 500 ppi (vs 416 ppi).
  • Higher-resolution main camera: 200 MP (vs 50 MP).
  • Larger 6.8-inch screen (vs 6.2-inch).

What matters most to you?

Choose any priorities

How each product answers the questions buyers ask most. Tick a topic to add it, untick one to hide it.

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6 priorities selected.
How each product answers the selected priorities
PrioritySamsung Galaxy S24 RefurbishedSamsung Galaxy S23 Ultra Refurbished
Display6.2-inch OLED display, 120 Hz, 416 ppi6.8-inch OLED display, 120 Hz, 500 ppi
Camera50 MP main camera with OIS, plus a 3x telephoto camera200 MP main camera with OIS, plus a 3x telephoto camera
PerformanceQualcomm Snapdragon 8 Gen 3 processorQualcomm Snapdragon 8 Gen 2 processor
Storage256 GB storageUp to 512 GB storage
Battery capacity4,000 mAh battery5,000 mAh battery
Charging25 W wired, 15 W wireless charging45 W wired, 15 W wireless charging

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationSamsung Galaxy S24 RefurbishedSamsung Galaxy S23 Ultra Refurbished
BrandSamsungSamsung
ModelGalaxy S24Galaxy S23 Ultra
Announced2024, January 172023, February 01
Device type / form familySmartphoneSmartphone
Release statusAvailable. Released 2024, January 24Available. Released 2023, February 17
Model numbersSM-S921B, SM-S921B/DS, SM-S921U, SM-S921U1, SM-S921W, SM-S921N, SM-S9210, SM-S921E, SM-S921E/DSSM-S918B, SM-S918B/DS, SM-S918U, SM-S918U1, SM-S918W, SM-S918N, SM-S9180, SM-S918E, SM-S918E/DS

Design

Design specifications comparison
SpecificationSamsung Galaxy S24 RefurbishedSamsung Galaxy S23 Ultra Refurbished
Dimensions147 x 70.6 x 7.6 mm (5.79 x 2.78 x 0.30 in)163.4 x 78.1 x 8.9 mm (6.43 x 3.07 x 0.35 in)
Weight167 g or 168 g (5.89 oz)234 g (8.25 oz)
Build materialsGlass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frameGlass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
Form factorTouchscreen smartphoneTouchscreen smartphone

Display

Display specifications comparison
SpecificationSamsung Galaxy S24 RefurbishedSamsung Galaxy S23 Ultra Refurbished
DisplayDynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak); 6.2 inches, 94.4 cm2 (~90.9% screen-to-body ratio)Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (HBM), 1750 nits (peak); 6.8 inches, 114.7 cm2 (~89.9% screen-to-body ratio)
Screen resolution1080 x 2340 pixels, 19.5:9 ratio (~416 ppi density)1440 x 3088 pixels, 19.3:9 ratio (~500 ppi density)
Display protectionCorning Gorilla Glass Victus 2Corning Gorilla Glass Victus 2
Display featuresDynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (HBM), 1750 nits (peak)
Display technologyDynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (HBM), 1750 nits (peak)
Display size6.2 inches, 94.4 cm2 (~90.9% screen-to-body ratio)6.8 inches, 114.7 cm2 (~89.9% screen-to-body ratio)
Refresh rate120Hz120Hz

Performance

Performance specifications comparison
SpecificationSamsung Galaxy S24 RefurbishedSamsung Galaxy S23 Ultra Refurbished
ProcessorQualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm) - USA/Canada/China Exynos 2400 (4 nm) - InternationalQualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm)
CPU8-core (1x3.39GHz Cortex-X4 & 3x3.1GHz Cortex-A720 & 2x2.9GHz Cortex-A720 & 2x2.2GHz Cortex-A520) 10-core (1x3.2GHz Cortex-X4 & 2x2.9GHz Cortex-A720 & 3x2.6GHz Cortex-A720 & 4x1.95GHz Cortex-A520)Octa-core (1x3.36 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)
GPUAdreno 750 (1 GHz) - USA/Canada/China Xclipse 940 - InternationalAdreno 740

Memory & Storage

Memory & Storage specifications comparison
SpecificationSamsung Galaxy S24 RefurbishedSamsung Galaxy S23 Ultra Refurbished
RAM12GB / 8GB12GB / 8GB (256GB); 12GB (512GB)
Storage256GB256GB / 512GB
Storage technologyUFS 3.1 - 128GB only UFS 4.0UFS 4.0
Expandable storageNoNo

Cameras

Cameras specifications comparison
SpecificationSamsung Galaxy S24 RefurbishedSamsung Galaxy S23 Ultra Refurbished
Rear camera50 MP, f/1.8, 24mm (wide), 1/1.56", 1.0µm, dual pixel PDAF, OIS 10 MP, f/2.4, 67mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS 10 MP, f/2.4, 70mm (telephoto), 1/3.52", 1.12µm, PDAF, OIS, 3x optical zoom 10 MP, f/4.9, 230mm (periscope telephoto), 1/3.52", 1.12µm, PDAF, OIS, 10x optical zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video
Front camera12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Rear camera featuresLED flash, auto-HDR, panoramaLaser AF, LED flash, auto-HDR, panorama
Rear camera video8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS
Front camera featuresHDR, HDR10+HDR, HDR10+
Front camera video4K@30/60fps, 1080p@30fps4K@30/60fps, 1080p@30fps

Battery & Charging

Battery & Charging specifications comparison
SpecificationSamsung Galaxy S24 RefurbishedSamsung Galaxy S23 Ultra Refurbished
BatteryLi-Ion 4000 mAhLi-Ion 5000 mAh
Charging25W wired, PD3.0, 50% in 30 min 15W wireless (Qi) 4.5W reverse wireless45W wired, PD3.0, 65% in 30 min 15W wireless (Qi) 4.5W reverse wireless

Software

Software specifications comparison
SpecificationSamsung Galaxy S24 RefurbishedSamsung Galaxy S23 Ultra Refurbished
Operating systemAndroid 14, upgradable to Android 17, up to 7 major OS updates, One UI 9Android 13, upgradable to Android 17, up to 4 major OS updates, One UI 9.0

Network

Network specifications comparison
SpecificationSamsung Galaxy S24 RefurbishedSamsung Galaxy S23 Ultra Refurbished
NetworkGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
SIM· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time) - INT · Nano-SIM + eSIM + eSIM (max 2 at a time) - USA · Nano-SIM + Nano-SIM - CN· Nano-SIM + eSIM · Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
2G bandsGSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900 & TD-SCDMAGSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900 & TD-SCDMA
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DOHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66, 71 - USA1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 - USA
5G bands1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International 1, 7, 25, 28, 41, 66, 71, 78, 257, 258, 260, 261 SA/NSA/Sub6/mmWave - USA1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International 1, 7, 28, 41, 66, 71, 78, 258, 260, 261 SA/NSA/Sub6/mmWave - USA
Network speedHSPA, LTE (CA), 5GHSPA, LTE (CA), 5G

Connectivity

Connectivity specifications comparison
SpecificationSamsung Galaxy S24 RefurbishedSamsung Galaxy S23 Ultra Refurbished
NFCYesYes
Bluetooth5.3, A2DP, LE5.3, A2DP, LE
Wi-FiWi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct
PositioningGPS, GLONASS, BDS, GALILEO, QZSSGPS, GALILEO, GLONASS, BDS, QZSS
RadioNoNo
USBUSB Type-C 3.2, DisplayPort 1.2, OTGUSB Type-C 3.2, OTG
Ultra Wideband (UWB)—Supported

Features

Features specifications comparison
SpecificationSamsung Galaxy S24 RefurbishedSamsung Galaxy S23 Ultra Refurbished
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometerFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Desktop modeSamsung DeX, Samsung Wireless DeX (desktop experience support)Samsung DeX, Samsung Wireless DeX (desktop experience support)

Audio

Audio specifications comparison
SpecificationSamsung Galaxy S24 RefurbishedSamsung Galaxy S23 Ultra Refurbished
LoudspeakersYes, with stereo speakersYes, with stereo speakers
3.5 mm headphone jackNoNo
Audio featuresHigh-bitrate audio supportHigh-bitrate audio support

Refurbished unit information

Refurbished unit information specifications comparison
SpecificationSamsung Galaxy S24 RefurbishedSamsung Galaxy S23 Ultra Refurbished
ConditionRefurbished / EX-UKRefurbished / EX-UK

Similarities

  • Both have 120 Hz displays.
  • Both have optical image stabilisation.
  • Both support Wi-Fi 6E.
  • Both use Bluetooth 5.3.
  • Both have NFC.
  • Both have an aluminium frame.

In summary

For most buyers the Samsung Galaxy S23 Ultra Refurbished is the better buy; the Samsung Galaxy S24 Refurbished makes sense if you want 7 promised OS upgrades.

Back to compared products ↑

In-stock alternatives

Nothing Phone 3a ProFor Samsung Galaxy S24 RefurbishedNothing Phone 3a ProView product ↗iPhone 13 ProFor Samsung Galaxy S24 RefurbishediPhone 13 ProView product ↗Samsung Galaxy S25 FEFor Samsung Galaxy S23 Ultra RefurbishedSamsung Galaxy S25 FEView product ↗Samsung Galaxy S24 5GFor Samsung Galaxy S23 Ultra RefurbishedSamsung Galaxy S24 5GView product ↗

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