Skip to content

Smartphone comparison

Samsung Galaxy S23 Ultra Refurbished vs Samsung Galaxy S24 5G

Compare cameras, battery, screen and everyday features.

Compared products
01Selected
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
Choose options
02
Samsung Galaxy S24 5G

Samsung Galaxy S24 5G

  • About 120 Hz display refresh rate.
  • About 6.2 inch screen.
  • Adreno 750 (1 GHz) - USA/Canada/China, Xclipse 940 - International graphics.
  • Storage: UFS 3.1 - 128GB only, UFS 4.0.
  • 4,000 mAh battery capacity.
KSh 65,000In Stock
Choose options

Add to comparison

2 spaces available

Samsung Galaxy S25 FEKSh 71,000
Vivo V70 5GKSh 72,700
Xiaomi 15TKSh 71,500
Google Pixel 10aKSh 71,000
Oppo Reno15 5GKSh 67,700
Xiaomi 17T 5GKSh 74,000
OnePlus 13s 5GKSh 74,000
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 5G 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 S23 Ultra Refurbished
About 6.8 inch screen
Samsung Galaxy S24 5G
About 6.2 inch screen

Performance

Samsung Galaxy S23 Ultra Refurbished
Adreno 740 graphics
Samsung Galaxy S24 5G
Adreno 750 (1 GHz) - USA/Canada/China Xclipse 940 - International graphics

Storage

Samsung Galaxy S23 Ultra Refurbished
UFS 4.0
Samsung Galaxy S24 5G
UFS 3.1 - 128GB only UFS 4.0

Battery capacity

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

Charging

Samsung Galaxy S23 Ultra Refurbished
45 W rated wired charging power
Samsung Galaxy S24 5G
25 W rated wired charging power

Key differences

The main differences to help you choose.

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).

Samsung Galaxy S24 5G

  • 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).

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.

More topicsFewer topics
6 priorities selected.
How each product answers the selected priorities
PrioritySamsung Galaxy S23 Ultra RefurbishedSamsung Galaxy S24 5G
Display6.8-inch OLED display, 120 Hz, 500 ppi6.2-inch OLED display, 120 Hz, 416 ppi
Camera200 MP main camera with OIS, plus a 3x telephoto camera50 MP main camera with OIS, plus a 3x telephoto camera
PerformanceQualcomm Snapdragon 8 Gen 2 processorQualcomm Snapdragon 8 Gen 3 processor
Battery capacity5,000 mAh battery4,000 mAh battery
Charging45 W wired, 15 W wireless charging25 W wired, 15 W wireless charging
Water resistanceCorning Gorilla Glass Victus 2IP68 water and dust resistance

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationSamsung Galaxy S23 Ultra RefurbishedSamsung Galaxy S24 5G
BrandSamsungSamsung
ModelGalaxy S23 UltraGalaxy S24
Announced2023, February 012024, January 17
Device type / form familySmartphone—
Release statusAvailable. Released 2023, February 17Available. Released 2024, January 24
Model numbersSM-S918B, SM-S918B/DS, SM-S918U, SM-S918U1, SM-S918W, SM-S918N, SM-S9180, SM-S918E, SM-S918E/DSSM-S921B, SM-S921B/DS, SM-S921U, SM-S921U1, SM-S921W, SM-S921N, SM-S9210, SM-S921E, SM-S921E/DS
SAR—1.23 W/kg (head)     1.10 W/kg (body)
SAR EU—0.87 W/kg (head)     1.35 W/kg (body)

Design

Design specifications comparison
SpecificationSamsung Galaxy S23 Ultra RefurbishedSamsung Galaxy S24 5G
Dimensions163.4 x 78.1 x 8.9 mm (6.43 x 3.07 x 0.35 in)147 x 70.6 x 7.6 mm (5.79 x 2.78 x 0.30 in)
Weight234 g (8.25 oz)167 g or 168 g (5.89 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 smartphone—

Display

Display specifications comparison
SpecificationSamsung Galaxy S23 Ultra RefurbishedSamsung Galaxy S24 5G
DisplayDynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (HBM), 1750 nits (peak); 6.8 inches, 114.7 cm2 (~89.9% screen-to-body ratio)Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak); 6.2 inches, 94.4 cm2 (~90.9% screen-to-body ratio)
Screen resolution1440 x 3088 pixels, 19.3:9 ratio (~500 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~416 ppi density)
Display protectionCorning Gorilla Glass Victus 2Corning Gorilla Glass Victus 2
Display featuresDynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (HBM), 1750 nits (peak)Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)
Display technologyDynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (HBM), 1750 nits (peak)—
Display size6.8 inches, 114.7 cm2 (~89.9% screen-to-body ratio)—
Refresh rate120Hz—

Performance

Performance specifications comparison
SpecificationSamsung Galaxy S23 Ultra RefurbishedSamsung Galaxy S24 5G
ProcessorQualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm)Qualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm) - USA/Canada/China Exynos 2400 (4 nm) - International
CPUOcta-core (1x3.36 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)8-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)
GPUAdreno 740Adreno 750 (1 GHz) - USA/Canada/China Xclipse 940 - International

Memory & Storage

Memory & Storage specifications comparison
SpecificationSamsung Galaxy S23 Ultra RefurbishedSamsung Galaxy S24 5G
RAM12GB / 8GB (256GB); 12GB (512GB)8GB / 12GB
Storage256GB / 512GB128GB / 256GB / 512GB
Storage technologyUFS 4.0UFS 3.1 - 128GB only UFS 4.0
Expandable storageNoNo
Memory configurations—128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 8GB RAM

Cameras

Cameras specifications comparison
SpecificationSamsung Galaxy S23 Ultra RefurbishedSamsung Galaxy S24 5G
Rear camera200 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 video50 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 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 featuresLaser AF, LED flash, auto-HDR, panoramaLED 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 S23 Ultra RefurbishedSamsung Galaxy S24 5G
BatteryLi-Ion 5000 mAhLi-Ion 4000 mAh
Charging45W wired, PD3.0, 65% in 30 min 15W wireless (Qi) 4.5W reverse wireless25W wired, PD3.0, 50% in 30 min 15W wireless (Qi) 4.5W reverse wireless
Wireless charging—15W wireless (Qi); 4.5W reverse wireless
Reverse charging—4.5W reverse wireless

Software

Software specifications comparison
SpecificationSamsung Galaxy S23 Ultra RefurbishedSamsung Galaxy S24 5G
Operating systemAndroid 13, upgradable to Android 17, up to 4 major OS updates, One UI 9.0Android 14, upgradable to Android 17, up to 7 major OS updates, One UI 9

Network

Network specifications comparison
SpecificationSamsung Galaxy S23 Ultra RefurbishedSamsung Galaxy S24 5G
NetworkGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
SIM· Nano-SIM + eSIM · Nano-SIM + Nano-SIM + eSIM (max 2 at a time)· 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
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, 46, 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, 48, 66, 71 - USA
5G bands1, 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 - USA1, 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 - USA
Network speedHSPA, LTE (CA), 5GHSPA, LTE (CA), 5G

Connectivity

Connectivity specifications comparison
SpecificationSamsung Galaxy S23 Ultra RefurbishedSamsung Galaxy S24 5G
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, GALILEO, GLONASS, BDS, QZSSGPS, GLONASS, BDS, GALILEO, QZSS
RadioNoNo
USBUSB Type-C 3.2, OTGUSB Type-C 3.2, DisplayPort 1.2, OTG
Ultra Wideband (UWB)Supported—

Durability

Durability specifications comparison
SpecificationSamsung Galaxy S23 Ultra RefurbishedSamsung Galaxy S24 5G
Water resistance—IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Armor Aluminum 2

Features

Features specifications comparison
SpecificationSamsung Galaxy S23 Ultra RefurbishedSamsung Galaxy S24 5G
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)
Colors—Onyx Black, Marble Grey, Cobalt Violet, Amber Yellow, Jade Green, Sandstone Orange, Sapphire Blue
Additional features—Samsung DeX, Samsung Wireless DeX (desktop experience support)

Audio

Audio specifications comparison
SpecificationSamsung Galaxy S23 Ultra RefurbishedSamsung Galaxy S24 5G
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 S23 Ultra RefurbishedSamsung Galaxy S24 5G
ConditionRefurbished / EX-UK—

Tests

Tests specifications comparison
SpecificationSamsung Galaxy S23 Ultra RefurbishedSamsung Galaxy S24 5G
Performance—AnTuTu: 1218977 (v9), 1696727 (v10) GeekBench: 5833 (v5), 6747 (v6) 3DMark: 4183 (Wild Life Extreme)
Display—1401 nits max brightness (measured)
Camera—Photo / Video
Loudspeaker—-25.2 LUFS (Very good)
Battery—Active use score 12:06h

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 5G makes sense if you want 7 promised OS upgrades.

Back to compared products ↑

In-stock alternatives

Samsung Galaxy S25 FEFor Samsung Galaxy S23 Ultra RefurbishedSamsung Galaxy S25 FEView product ↗iPhone 14 ProFor Samsung Galaxy S23 Ultra RefurbishediPhone 14 ProView product ↗Google Pixel 8 ProFor Samsung Galaxy S24 5GGoogle Pixel 8 ProView product ↗

Menu
Need Help? +254 112891117
Back to Top

My Cart