Samsung Galaxy S23 Ultra vs Galaxy Z Fold4: The Ultimate Showdown

Samsung's flagship lineup offers incredible choices, but deciding between the S23 Ultra and the Z Fold4 can be tough. Both pack powerful specs and premium features, but cater to different user needs. This comprehensive comparison breaks down every aspect to help you choose the perfect device.
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🏆 Quick Verdict

The S23 Ultra wins on raw performance, camera versatility, and battery life. However, the Z Fold4's foldable display offers a unique productivity experience. If you prioritize a top-tier camera and longevity, the S23 Ultra is the better choice; if you crave a large, foldable screen for multitasking, the Z Fold4 shines.

PHONES
Phone Names Samsung Galaxy S23 Ultra Samsung Galaxy Z Fold4
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International
5G bands1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International
SpeedHSPA, LTE (up to 7CA), 5GHSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G
TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
 1, 7, 28, 41, 66, 71, 78, 258, 260, 261 SA/NSA/Sub6/mmWave - USACDMA2000 1xEV-DO
Launch
Announced2023, February 012022, August 10
StatusAvailable. Released 2023, February 17Available. Released 2022, August 25
Body
BuildGlass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frameGlass front (Gorilla Glass Victus+) (folded), plastic front (unfolded), glass back (Gorilla Glass Victus+), aluminum frame
Dimensions163.4 x 78.1 x 8.9 mm (6.43 x 3.07 x 0.35 in)Unfolded: 155.1 x 130.1 x 6.3 mmFolded: 155.1 x 67.1 x 14.2-15.8 mm
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)
Weight234 g (8.25 oz)263 g (9.28 oz)
 IP68 dust/water resistant (up to 1.5m for 30 min) Armor aluminum frame with tougher drop and scratch resistance (advertised) Stylus (Bluetooth integration, accelerometer, gyro)IPX8 water resistant (up to 1.5m for 30 min) Armor aluminum frame with tougher drop and scratch resistance (advertised) Stylus support
Display
ProtectionCorning Gorilla Glass Victus 2-
Resolution1440 x 3088 pixels, 19.3:9 ratio (~500 ppi density)1812 x 2176 pixels (~373 ppi density)
Size6.8 inches, 114.7 cm2 (~89.9% screen-to-body ratio)7.6 inches, 183.2 cm2 (~90.9% screen-to-body ratio)
TypeDynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (HBM), 1750 nits (peak)Foldable Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (peak)
 Always-on displayCover display: Dynamic AMOLED 2X, 120Hz, Corning Gorilla Glass Victus+ 6.2 inches, 904 x 2316 pixels, 23.1:9 ratio
Platform
CPUOcta-core (1x3.36 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)
ChipsetQualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm)Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm)
GPUAdreno 740Adreno 730
OSAndroid 13, up to 4 major Android upgrades, One UI 8Android 12L, up to 4 major Android upgrades, One UI 6.1.1
Memory
Card slotNoNo
Internal256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM
 UFS 4.0UFS 3.1
Main Camera
FeaturesLaser AF, LED flash, auto-HDR, panoramaLED flash, HDR, panorama
Quad200 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-
Single12 MP, f/2.2, 26mm (wide), Dual Pixel PDAF-
Triple-50 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", 1.12µm
Video8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS8K@24fps, 4K@60fps, 1080p@60/240fps (gyro-EIS), HDR10+
Selfie camera
FeaturesHDR, HDR10+HDR
Single12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF4 MP, f/1.8, 26mm (wide), 1/3.0", 2.0µm, under display Cover camera: 10 MP, f/2.2, 24mm (wide), 1/3.0", 1.22µm
Video4K@30/60fps, 1080p@30fps4K@30/60fps, 1080p@30/60fps, gyro-EIS
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
 32-bit/384kHz audio Tuned by AKG32-bit/384kHz audio Tuned by AKG
Comms
Bluetooth5.3, A2DP, LE5.2, A2DP, LE, aptX HD
NFCYesYes
PositioningGPS, GALILEO, GLONASS, BDS, QZSSGPS, GLONASS, GALILEO, BDS
RadioNoNo
USBUSB Type-C 3.2, OTGUSB Type-C 3.2, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometerFingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
 Samsung DeX, Samsung Wireless DeX (desktop experience support) Bixby natural language commands and dictation Samsung Pay (Visa, MasterCard certified) Ultra Wideband (UWB) supportBixby natural language commands and dictation Samsung DeX (desktop experience support) Samsung Pay (Visa, MasterCard certified) Ultra Wideband (UWB) support
Battery
Charging45W wired, PD3.0, 65% in 30 min 15W wireless (Qi) 4.5W reverse wireless25W wired, 50% in 30 min 15W wireless 4.5W reverse wireless
TypeLi-Ion 5000 mAhLi-Po 4400 mAh
Misc
ColorsPhantom Black, Green, Cream, Lavender, Graphite, Sky Blue, Lime, Red, BMW M EditionGraygreen, Phantom Black, Beige, Burgundy
ModelsSM-S918B, SM-S918B/DS, SM-S918U, SM-S918U1, SM-S918W, SM-S918N, SM-S9180, SM-S918E, SM-S918E/DSSM-F936B, SM-F936B/DS, SM-F936U, SM-F936U1, SM-F936N, SM-F936W, SM-F9360
Price€ 549.90 / $ 454.99 / £ 433.00$ 457.00 / € 511.80 / £ 485.00 / ₹ 73,899
SAR1.12 W/kg (head)     0.92 W/kg (body)0.96 W/kg (head)     0.92 W/kg (body)
SAR EU0.96 W/kg (head)     1.40 W/kg (body)1.30 W/kg (head)     1.51 W/kg (body)
Tests
Battery life Endurance rating 126h Endurance rating 101h
Camera Photo / Video Photo / Video
Display Contrast ratio: Infinite (nominal) Contrast ratio: Infinite (nominal)
Loudspeaker -25.6 LUFS (Very good) -28.3 LUFS (Average)
Performance AnTuTu: 1241531 (v9) GeekBench: 4927 (v5.1) GFXBench: 67fps (ES 3.1 onscreen) AnTuTu: 964530 (v9) GeekBench: 3981 (v5.1) GFXBench: 43fps (ES 3.1 onscreen)

Samsung Galaxy S23 Ultra

  • Superior Camera System
  • Brighter Display
  • Faster Performance (Snapdragon 8 Gen 2)
  • Excellent Battery Life
  • S Pen Support

  • Higher Price
  • Larger and Heavier
  • Less Unique Design

Samsung Galaxy Z Fold4

  • Foldable Display for Productivity
  • Unique Design
  • Compact when Folded
  • Good Performance (Snapdragon 8+ Gen 1)

  • Shorter Battery Life
  • Less Bright Display
  • Camera Not as Versatile
  • More Expensive

Display Comparison

The S23 Ultra boasts a brighter 1274 nits display, offering superior outdoor visibility. Its contrast ratio is infinite, providing deep blacks and vibrant colors. The Z Fold4's 1000 nits display is still excellent, but not as bright. The Z Fold4's foldable screen is its defining feature, offering a tablet-like experience in a phone form factor, while the S23 Ultra has a more traditional, albeit stunning, display.

Camera Comparison

The S23 Ultra's camera system is arguably the best on the market, offering incredible detail, dynamic range, and low-light performance. It features a versatile zoom range and excellent video recording capabilities. The Z Fold4's camera is still very good, but lacks the S23 Ultra's zoom capabilities and overall image quality.

Performance

The S23 Ultra's Snapdragon 8 Gen 2 delivers noticeably faster performance than the Z Fold4's Snapdragon 8+ Gen 1. This translates to smoother multitasking, quicker app loading times, and better gaming performance. Both phones handle everyday tasks with ease, but the S23 Ultra has a clear edge in demanding scenarios.

Battery Life

The S23 Ultra significantly outperforms the Z Fold4 in battery life, offering a much longer active use time and endurance rating. The Z Fold4's battery life is adequate, but users may need to charge it more frequently, especially when utilizing the larger foldable screen.

Buying Guide

Who should buy the Samsung Galaxy S23 Ultra? Photography enthusiasts, power users needing top-tier performance, and those prioritizing battery life. Who should buy the Samsung Galaxy Z Fold4? Productivity-focused users, those wanting a large screen in a pocketable form factor, and early adopters of foldable technology.

Frequently Asked Questions

❓ Is the Z Fold4 durable?
The Z Fold4 has improved durability compared to previous generations, but the foldable screen is still more susceptible to damage than a traditional phone screen. Careful handling is recommended.
❓ Can I use the S Pen with the Z Fold4?
No, the Z Fold4 does not support the S Pen. The S23 Ultra has built-in S Pen functionality.
❓ Which phone is better for gaming?
The S23 Ultra is the better choice for gaming due to its more powerful processor and superior cooling system.
❓ How does the Z Fold4's software adapt to the foldable screen?
Samsung has optimized its software for the foldable display, with features like Flex Mode and app continuity, allowing for seamless multitasking and unique usage scenarios.