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Smartphone comparison

Samsung Galaxy Z Flip6 Refurbished vs Samsung Galaxy S23 Ultra Refurbished

Compare cameras, battery, screen and everyday features.

Compared products
01Selected
Samsung Galaxy Z Flip6 Refurbished

Samsung Galaxy Z Flip6 Refurbished

  • 187 g.
  • About 6.7 inch screen.
  • Qualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm) processor.
  • 12 GB RAM in this version.
  • 256 GB storage in this version.
KSh 61,500In 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 S24 RefurbishedKSh 58,500
Samsung Galaxy S24 Plus RefurbishedKSh 63,000
Vivo X60 ProKSh 63,000
Google Pixel 8 ProKSh 62,000
Redmi Note 15 Pro Plus 5GKSh 62,000
Honor 600 5GKSh 60,000
Infinix GT 50 ProKSh 58,800
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 optical zoom and a higher-resolution main camera (200 MP), while the Samsung Galaxy Z Flip6 Refurbished has 7 promised OS upgrades and a brighter screen for outdoor use and is lighter (187 g) and slimmer.

Weight

Samsung Galaxy Z Flip6 Refurbished
187 g
Samsung Galaxy S23 Ultra Refurbished
234 g

Display

Samsung Galaxy Z Flip6 Refurbished
About 6.7 inch screen
Samsung Galaxy S23 Ultra Refurbished
About 6.8 inch screen

Performance

Samsung Galaxy Z Flip6 Refurbished
Qualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm) processor
Samsung Galaxy S23 Ultra Refurbished
Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) processor

Battery capacity

Samsung Galaxy Z Flip6 Refurbished
4,000 mAh battery capacity
Samsung Galaxy S23 Ultra Refurbished
5,000 mAh battery capacity

Charging

Samsung Galaxy Z Flip6 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 Z Flip6 Refurbished

  • More promised OS upgrades: 7 (vs 4).
  • Brighter display: up to 2,600 nits (vs 1,750).
  • Lighter: 187 g (vs 234 g).
  • Slimmer: 6.9 mm thick (vs 8.9 mm).
  • 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).
  • Telephoto camera with 3x optical zoom.
  • Sharper screen: 500 ppi (vs 426 ppi).
  • Higher-resolution main camera: 200 MP (vs 50 MP).
  • 8K video recording (vs 4K).

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 Flip6 RefurbishedSamsung Galaxy S23 Ultra Refurbished
Display6.7-inch OLED display, 120 Hz, 426 ppi6.8-inch OLED display, 120 Hz, 500 ppi
Camera50 MP main camera with OIS200 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 Z Flip6 RefurbishedSamsung Galaxy S23 Ultra Refurbished
BrandSamsungSamsung
ModelGalaxy Z Flip6Galaxy S23 Ultra
Announced2024, July 102023, February 01
Device type / form familySmartphoneSmartphone
Release statusAvailable. Released 2024, July 24Available. Released 2023, February 17
Model numbersSM-F741B, SM-F741B/DS, SM-F741U, SM-F741U1, SM-F741W, SM-F741NSM-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 Flip6 RefurbishedSamsung Galaxy S23 Ultra Refurbished
DimensionsUnfolded: 165.1 x 71.9 x 6.9 mm Folded: 85.1 x 71.9 x 14.9 mm163.4 x 78.1 x 8.9 mm (6.43 x 3.07 x 0.35 in)
Weight187 g (6.60 oz)234 g (8.25 oz)
Build materialsPlastic front (unfolded), glass back (Gorilla Glass Victus 2), 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 Flip6 RefurbishedSamsung Galaxy S23 Ultra Refurbished
DisplayFoldable Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak); 6.7 inches, 101.5 cm2 (~85.5% 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 displaySuper AMOLED, 60Hz, 1600 nits (peak), 3.4 inches, 720 x 748 pixels (Gorilla Glass Victus 2), 306 ppi—
Screen resolution1080 x 2640 pixels (~426 ppi density)1440 x 3088 pixels, 19.3:9 ratio (~500 ppi density)
Display featuresFoldable Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (HBM), 1750 nits (peak)
Display technologyFoldable Dynamic LTPO AMOLED 2X, 120Hz, HDR10+, 2600 nits (peak)Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (HBM), 1750 nits (peak)
Display size6.7 inches, 101.5 cm2 (~85.5% 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 Flip6 RefurbishedSamsung Galaxy S23 Ultra Refurbished
ProcessorQualcomm SM8650-AC Snapdragon 8 Gen 3 (4 nm)Qualcomm 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)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)Adreno 740

Memory & Storage

Memory & Storage specifications comparison
SpecificationSamsung Galaxy Z Flip6 RefurbishedSamsung Galaxy S23 Ultra Refurbished
RAM12GB12GB / 8GB (256GB); 12GB (512GB)
Storage256GB256GB / 512GB
Storage technologyUFS 4.0UFS 4.0
Expandable storageNoNo

Cameras

Cameras specifications comparison
SpecificationSamsung Galaxy Z Flip6 RefurbishedSamsung Galaxy S23 Ultra Refurbished
Rear camera50 MP, f/1.8, 23mm (wide), 1/1.57", 1.0µm, dual pixel PDAF, OIS 12 MP, f/2.2, 13mm, 123˚ (ultrawide), 1/3.2", 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 camera10 MP, f/2.2, 23mm (wide), 1/3.0", 1.22µm12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Rear camera featuresLED flash, HDR, panoramaLaser AF, LED flash, auto-HDR, panorama
Rear camera video4K@30/60fps, 1080p@60/120/240fps, 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@30/60fps4K@30/60fps, 1080p@30fps

Battery & Charging

Battery & Charging specifications comparison
SpecificationSamsung Galaxy Z Flip6 RefurbishedSamsung Galaxy S23 Ultra Refurbished
Battery4000 mAhLi-Ion 5000 mAh
Charging25W wired, QC2.0, 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 Flip6 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 Z Flip6 RefurbishedSamsung Galaxy S23 Ultra Refurbished
NetworkGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
SIM· Nano-SIM + eSIM · eSIM + eSIM · Nano-SIM + Nano-SIM (SM-F7410)· 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 HSDPA 850 / 900 / 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, 2, 5, 7, 25, 28, 41, 66, 71, 77, 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, 5GHSPA, LTE (CA), 5G

Connectivity

Connectivity specifications comparison
SpecificationSamsung Galaxy Z Flip6 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, GALILEO, GLONASS, BDS, QZSSGPS, GALILEO, GLONASS, BDS, QZSS
RadioNoNo
USBUSB Type-C 3.2, OTGUSB Type-C 3.2, OTG
Ultra Wideband (UWB)—Supported

Features

Features specifications comparison
SpecificationSamsung Galaxy Z Flip6 RefurbishedSamsung Galaxy S23 Ultra Refurbished
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometerFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Desktop mode—Samsung DeX, Samsung Wireless DeX (desktop experience support)

Audio

Audio specifications comparison
SpecificationSamsung Galaxy Z Flip6 RefurbishedSamsung Galaxy S23 Ultra Refurbished
LoudspeakersYes, with stereo speakersYes, with stereo speakers
3.5 mm headphone jackNoNo
Audio features32-bit/384kHz audioHigh-bitrate audio support

Refurbished unit information

Refurbished unit information specifications comparison
SpecificationSamsung Galaxy Z Flip6 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 use Bluetooth 5.3.
  • Both have NFC.

In summary

For most buyers the Samsung Galaxy S23 Ultra Refurbished is the better buy; the Samsung Galaxy Z Flip6 Refurbished makes sense if you want 7 promised OS upgrades.

Back to compared products ↑

In-stock alternatives

Samsung Galaxy Z Fold4 RefurbishedFor Samsung Galaxy Z Flip6 RefurbishedSamsung Galaxy Z Fold4 RefurbishedView product ↗Vivo X60 ProFor Samsung Galaxy Z Flip6 RefurbishedVivo X60 ProView product ↗Samsung Galaxy S25 FEFor Samsung Galaxy S23 Ultra RefurbishedSamsung Galaxy S25 FEView product ↗Vivo V70 5GFor Samsung Galaxy S23 Ultra RefurbishedVivo V70 5GView product ↗

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