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Smartphone comparison

Samsung Galaxy Z Fold4 Refurbished vs Samsung Galaxy S23 Ultra Refurbished

Compare cameras, battery, screen and everyday features.

Compared products
01Selected
Samsung Galaxy Z Fold4 Refurbished

Samsung Galaxy Z Fold4 Refurbished

  • 263 g.
  • About 7.6 inch screen.
  • Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) processor.
  • 12 GB RAM in this version.
  • 512 GB storage in this version.
KSh 65,000In 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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Vivo X60 ProKSh 63,000
Samsung Galaxy Z Flip6 RefurbishedKSh 61,500
OnePlus Nord 6 5GKSh 63,500
iPhone 13 Pro MaxKSh 65,500
Samsung Galaxy S24 5GKSh 65,000
Redmi Note 15 Pro Plus 5GKSh 62,000
Google Pixel 8 ProKSh 62,000
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 sharper, brighter screen, while the Samsung Galaxy Z Fold4 Refurbished has a larger 7.6-inch screen and is slimmer.

Weight

Samsung Galaxy Z Fold4 Refurbished
263 g
Samsung Galaxy S23 Ultra Refurbished
234 g

Display

Samsung Galaxy Z Fold4 Refurbished
About 7.6 inch screen
Samsung Galaxy S23 Ultra Refurbished
About 6.8 inch screen

Performance

Samsung Galaxy Z Fold4 Refurbished
Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) processor
Samsung Galaxy S23 Ultra Refurbished
Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) processor

Storage

Samsung Galaxy Z Fold4 Refurbished
UFS 3.1
Samsung Galaxy S23 Ultra Refurbished
UFS 4.0

Battery capacity

Samsung Galaxy Z Fold4 Refurbished
4,400 mAh battery capacity
Samsung Galaxy S23 Ultra Refurbished
5,000 mAh battery capacity

Key differences

The main differences to help you choose.

Samsung Galaxy Z Fold4 Refurbished

  • Larger 7.6-inch screen (vs 6.8-inch).
  • Slimmer: 6.3 mm thick (vs 8.9 mm).

Samsung Galaxy S23 Ultra Refurbished

  • Bigger battery: 5,000 mAh (vs 4,400 mAh).
  • Faster rated wired charging: 45 W (vs 25 W).
  • Sharper screen: 500 ppi (vs 373 ppi).
  • Higher-resolution main camera: 200 MP (vs 50 MP).
  • Brighter display: up to 1,750 nits (vs 1,200).
  • Higher-resolution selfie camera: 12 MP (vs 4 MP).

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 Z Fold4 RefurbishedSamsung Galaxy S23 Ultra Refurbished
Display7.6-inch OLED display, 120 Hz, 373 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 1 processorQualcomm Snapdragon 8 Gen 2 processor
Storage512 GB storageUp to 512 GB storage
Battery capacity4,400 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 Z Fold4 RefurbishedSamsung Galaxy S23 Ultra Refurbished
BrandSamsungSamsung
ModelGalaxy Z Fold4Galaxy S23 Ultra
Announced2022, August 102023, February 01
Device type / form familySmartphoneSmartphone
Release statusAvailable. Released 2022, August 25Available. Released 2023, February 17
Model numbersSM-F936B, SM-F936B/DS, SM-F936U, SM-F936U1, SM-F936N, SM-F936W, SM-F9360SM-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 Z Fold4 RefurbishedSamsung Galaxy S23 Ultra Refurbished
DimensionsUnfolded: 155.1 x 130.1 x 6.3 mm Folded: 155.1 x 67.1 x 14.2-15.8 mm163.4 x 78.1 x 8.9 mm (6.43 x 3.07 x 0.35 in)
Weight263 g (9.28 oz)234 g (8.25 oz)
Build materialsGlass front (Gorilla Glass Victus+) (folded), plastic front (unfolded), glass back (Gorilla Glass Victus+), aluminum frameGlass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
Form factorFoldable smartphoneTouchscreen smartphone

Display

Display specifications comparison
SpecificationSamsung Galaxy Z Fold4 RefurbishedSamsung Galaxy S23 Ultra Refurbished
DisplayFoldable Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (peak); 7.6 inches, 183.2 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)
Cover displayDynamic AMOLED 2X, 120Hz, Corning Gorilla Glass Victus+ 6.2 inches, 904 x 2316 pixels, 23.1:9 ratio—
Screen resolution1812 x 2176 pixels (~373 ppi density)1440 x 3088 pixels, 19.3:9 ratio (~500 ppi density)
Display featuresFoldable Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (peak)Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (HBM), 1750 nits (peak)
Display technologyFoldable Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (peak)Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (HBM), 1750 nits (peak)
Display size7.6 inches, 183.2 cm2 (~90.9% screen-to-body ratio)6.8 inches, 114.7 cm2 (~89.9% screen-to-body ratio)
Refresh rate120Hz120Hz
Display protection—Corning Gorilla Glass Victus 2

Performance

Performance specifications comparison
SpecificationSamsung Galaxy Z Fold4 RefurbishedSamsung Galaxy S23 Ultra Refurbished
ProcessorQualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm)Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm)
CPUOcta-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)Octa-core (1x3.36 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)
GPUAdreno 730Adreno 740

Memory & Storage

Memory & Storage specifications comparison
SpecificationSamsung Galaxy Z Fold4 RefurbishedSamsung Galaxy S23 Ultra Refurbished
RAM12GB12GB / 8GB (256GB); 12GB (512GB)
Storage512GB256GB / 512GB
Storage technologyUFS 3.1UFS 4.0
Expandable storageNoNo

Cameras

Cameras specifications comparison
SpecificationSamsung Galaxy Z Fold4 RefurbishedSamsung Galaxy S23 Ultra Refurbished
Rear camera50 MP, f/1.8, 23mm (wide), 1/1.56", 1.0µm, dual pixel PDAF, OIS 10 MP, f/2.4, 66mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 12mm, 123˚ (ultrawide), 1/3.06", 1.12µm200 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 camera4 MP, f/1.8, 26mm (wide), 1/3.0", 2.0µm, under display12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Cover camera10 MP, f/2.2, 24mm (wide), 1/3.0", 1.22µm—
Rear camera featuresLED flash, HDR, panoramaLaser AF, LED flash, auto-HDR, panorama
Rear camera video8K@24fps, 4K@60fps, 1080p@60/240fps (gyro-EIS), HDR10+8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS
Front camera featuresHDRHDR, HDR10+
Front camera video4K@30/60fps, 1080p@30/60fps, gyro-EIS4K@30/60fps, 1080p@30fps

Battery & Charging

Battery & Charging specifications comparison
SpecificationSamsung Galaxy Z Fold4 RefurbishedSamsung Galaxy S23 Ultra Refurbished
BatteryLi-Po 4400 mAhLi-Ion 5000 mAh
Charging25W wired, 50% in 30 min 15W wireless 4.5W reverse wireless45W wired, PD3.0, 65% in 30 min 15W wireless (Qi) 4.5W reverse wireless

Software

Software specifications comparison
SpecificationSamsung Galaxy Z Fold4 RefurbishedSamsung Galaxy S23 Ultra Refurbished
Operating systemAndroid 12L, up to 4 major OS updates, One UI 6.1.1Android 13, upgradable to Android 17, up to 4 major OS updates, One UI 9.0

Network

Network specifications comparison
SpecificationSamsung Galaxy Z Fold4 RefurbishedSamsung Galaxy S23 Ultra Refurbished
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 + eSIM · Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
2G bandsGSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900GSM 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, 46, 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 2, 5, 7, 12, 25, 30, 38, 41, 48, 66, 71, 77, 78, 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 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5GHSPA, LTE (CA), 5G

Connectivity

Connectivity specifications comparison
SpecificationSamsung Galaxy Z Fold4 RefurbishedSamsung Galaxy S23 Ultra Refurbished
NFCYesYes
Bluetooth5.2, A2DP, LE, aptX HD5.3, A2DP, LE
Wi-FiWi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct
PositioningGPS, GLONASS, GALILEO, BDSGPS, GALILEO, GLONASS, BDS, QZSS
RadioNoNo
USBUSB Type-C 3.2, OTGUSB Type-C 3.2, OTG
Ultra Wideband (UWB)SupportedSupported

Features

Features specifications comparison
SpecificationSamsung Galaxy Z Fold4 RefurbishedSamsung Galaxy S23 Ultra Refurbished
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometerFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Desktop modeSamsung DeX (desktop experience support)Samsung DeX, Samsung Wireless DeX (desktop experience support)

Audio

Audio specifications comparison
SpecificationSamsung Galaxy Z Fold4 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 Z Fold4 RefurbishedSamsung Galaxy S23 Ultra Refurbished
ConditionRefurbished / EX-UKRefurbished / EX-UK

Similarities

  • Both have 12 GB RAM.
  • Both have 120 Hz displays.
  • Both have optical image stabilisation.
  • Both support Wi-Fi 6E.
  • 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 Z Fold4 Refurbished makes sense if you want a larger 7.6-inch screen.

Back to compared products ↑

In-stock alternatives

Samsung Galaxy Z Flip6 RefurbishedFor Samsung Galaxy Z Fold4 RefurbishedSamsung Galaxy Z Flip6 RefurbishedView product ↗OnePlus Nord 6 5GFor Samsung Galaxy Z Fold4 RefurbishedOnePlus Nord 6 5GView product ↗Samsung Galaxy S25 FEFor Samsung Galaxy S23 Ultra RefurbishedSamsung Galaxy S25 FEView product ↗

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