iQOO 15 vs Samsung Galaxy S24 FE: A Deep Dive into Performance and Endurance

The vivo iQOO 15 and Samsung Galaxy S24 FE represent compelling options in the increasingly competitive flagship-killer space. The iQOO 15 aggressively targets performance with Qualcomm’s latest silicon, while the S24 FE aims for a more balanced experience, prioritizing battery longevity and Samsung’s established ecosystem. This comparison dissects their key differences to help you choose the right device.
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🏆 Quick Verdict

For users prioritizing raw speed and gaming prowess, the iQOO 15 is the clear winner. Its Snapdragon 8 Elite Gen 5 and 100W charging are unmatched. However, the Galaxy S24 FE excels in battery endurance and offers a more refined software experience, making it ideal for everyday users.

PHONES
Phone Names vivo iQOO 15 Samsung Galaxy S24 FE
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42, 43, 48, 66, 71 - International1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 32, 38, 40, 41, 66 - International
5G bands1, 2, 3, 5, 7, 8, 18, 20, 26, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA - International1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / HSPA / LTE / 5GGSM / HSPA / LTE / 5G
Launch
Announced2025, October 202024, September 26
StatusAvailable. Released 2025, October 20Available. Released 2024, October 03
Body
BuildGlass front, aluminum frame, fiber-reinforced plastic back or glass backGlass front (Gorilla Glass Victus+), glass back (Gorilla Glass Victus+), aluminum frame
Dimensions163.7 x 76.8 x 8.1 mm (6.44 x 3.02 x 0.32 in)162 x 77.3 x 8 mm (6.38 x 3.04 x 0.31 in)
SIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time) - International· Nano-SIM + Nano-SIM - China· Nano-SIM· Nano-SIM + Nano-SIM· Nano-SIM + eSIM· eSIM + eSIM
Weight215 g or 220 g (7.58 oz)213 g (7.51 oz)
Display
Protection-Corning Gorilla Glass Victus+, Mohs level 5
Resolution1440 x 3168 pixels (~508 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Size6.85 inches, 114.0 cm2 (~90.7% screen-to-body ratio)6.7 inches, 110.2 cm2 (~88.0% screen-to-body ratio)
TypeLTPO AMOLED, 1B colors, 144Hz, PWM, Dolby Vision, HDR10+, HDR Vivid, 1000 nits (typ), 2600 nits (HBM), 6000 nits (peak)Dynamic AMOLED 2X, 120Hz, HDR10+, 1900 nits (peak)
Platform
CPUOcta-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)10-core (1x3.1 GHz + 2x2.9 GHz + 3x2.6 GHz + 4x1.95 GHz)
ChipsetQualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)Exynos 2400e (4 nm)
GPUAdreno 840Xclipse 940
OSAndroid 16, up to 5 major Android upgrades, OriginOS 6Android 14, up to 7 major Android upgrades, One UI 8.0
Memory
Card slotNoNo
Internal256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM128GB 8GB RAM, 256GB 8GB RAM, 512GB 8GB RAM
Main Camera
FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Triple50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, PDAF, OIS 50 MP, f/2.7, 85mm (periscope telephoto), 1/1.95", 0.8µm, PDAF, OIS, 3x optical zoom 50 MP, f/2.1, 15mm (ultrawide), 1/2.76", 0.64µm, AF50 MP, f/1.8, 24mm (wide), 1/1.57", 1.0µm, dual pixel PDAF, OIS 8 MP, f/2.4, 75mm (telephoto), 1/4.4", 1.0µm, PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 13mm, 123˚ (ultrawide), 1/3.0", 1.12µm
Video8K@30fps, 4K@24/30/60fps, 1080p@30/60/120/240fps, gyro-EIS8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps
Selfie camera
FeaturesHDR-
Single32 MP, f/2.2, 21mm (wide), 1/3.1", 0.7µm10 MP, f/2.4, 26mm (wide), 1/3.0", 1.22µm
Video4K@30/60fps, 1080p@30/60fps4K@30/60fps, 1080p@30/60fps; gyro-EIS
Sound
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth6.0, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless, LHDC 55.3, A2DP, LE
Infrared portYes-
NFCYesYes
PositioningGPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5)GPS, GLONASS, GALILEO, BDS
RadioNoUnspecified
USBUSB Type-C 3.2, OTGUSB Type-C 3.2, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6e, dual-band or tri-band (market/region dependent), Wi-Fi Direct
Features
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, compass
Battery
Charging100W wired, PPS, PD 40W wireless Bypass charging25W wired, PD, QC2, 50% in 30 min 15W wireless Reverse wireless
TypeSi/C Li-Ion 7000 mAh4700 mAh
Misc
ColorsAlpha, Legend, Gray, Green, BlueBlue, Graphite, Gray, Mint, Yellow
ModelsI2501, V2505ASM-S721B, SM-S721B/DS, SM-S721U1, SM-S721U, SM-S721W, SM-S7210, SM-S721N
PriceAbout 700 EUR$ 249.74 / C$ 498.99 / £ 335.00 / € 387.00 / ₹ 34,180
SAR-0.94 W/kg (head)     0.71 W/kg (body)
SAR EU-0.86 W/kg (head)     1.29 W/kg (body)
EU LABEL
Battery-42:00h endurance, 2000 cycles
Energy-Class B
Free fall-Class A (270 falls)
Repairability-Class C

vivo iQOO 15

  • Blazing-fast Snapdragon 8 Elite Gen 5 performance
  • Incredibly fast 100W wired and 40W wireless charging
  • Significantly brighter display for outdoor visibility

  • Shorter battery life compared to the S24 FE
  • Software experience may not be as refined as Samsung’s One UI

Samsung Galaxy S24 FE

  • Exceptional battery life and longevity (2000 cycles)
  • Polished software experience with Samsung’s One UI
  • Reverse wireless charging for accessories

  • Less powerful processor than the Snapdragon 8 Elite Gen 5
  • Slower charging speeds compared to the iQOO 15

Display Comparison

The iQOO 15 boasts a significantly brighter display, reaching a measured 2933 nits compared to the S24 FE’s 1372 nits. This translates to superior visibility in direct sunlight. While both likely utilize OLED panels, the iQOO 15’s higher peak brightness and potentially higher PWM dimming rate (data unavailable) could make it more comfortable for prolonged use, especially for users sensitive to flicker. The S24 FE benefits from Samsung’s display expertise, likely offering excellent color accuracy, but it can’t match the iQOO 15’s sheer luminance.

Camera Comparison

Without detailed camera specs, a direct comparison is difficult. However, the S24 FE likely benefits from Samsung’s established image processing algorithms and potentially larger sensor sizes. The iQOO 15’s camera performance will depend heavily on its sensor and lens choices, which are currently unknown. It’s reasonable to assume the S24 FE will offer a more consistent and refined camera experience, particularly in challenging lighting conditions. The presence of a 2MP macro camera on either device is largely irrelevant, offering minimal practical benefit.

Performance

The iQOO 15’s Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3nm) is a substantial leap forward in mobile processing. Its octa-core configuration, featuring Oryon V3 Phoenix cores clocked up to 4.6 GHz, promises significantly higher CPU and GPU performance than the S24 FE’s Exynos 2400e (4nm). The Exynos 2400e’s 10-core design attempts to compensate with core count, but the architectural advantages and smaller node of the Snapdragon 8 Elite Gen 5 should result in superior sustained performance and thermal efficiency. This means less throttling during extended gaming sessions on the iQOO 15. The iQOO 15 also benefits from faster LPDDR5x RAM, further enhancing responsiveness.

Battery Life

The Galaxy S24 FE’s 42:00h endurance and 2000 cycle rating is a major advantage. While the iQOO 15 delivers a respectable 21:47h of active use, the S24 FE’s longevity is significantly higher. The iQOO 15 compensates with incredibly fast 100W wired charging (with PPS and PD support) and 40W wireless charging, allowing for a full charge in a fraction of the time compared to the S24 FE’s 25W wired charging. The S24 FE also offers reverse wireless charging, a feature absent on the iQOO 15. The iQOO 15’s bypass charging feature, allowing direct power from the charger to the phone while in use, is a unique benefit for gamers.

Buying Guide

Buy the vivo iQOO 15 if you demand the absolute fastest performance for gaming and demanding applications, and value incredibly rapid charging. You're willing to trade some battery life for this speed. Buy the Samsung Galaxy S24 FE if you prioritize all-day battery life, a polished software experience with Samsung’s One UI, and a more balanced feature set, even if it means sacrificing some peak performance.

Frequently Asked Questions

❓ Does the Exynos 2400e in the Galaxy S24 FE overheat during prolonged gaming sessions?
The Exynos 2400e is known to generate more heat than the Snapdragon 8 Elite Gen 5. While Samsung has implemented thermal management solutions, extended gaming at high settings may lead to noticeable throttling, reducing sustained performance. The iQOO 15, with its more efficient chipset, is less likely to experience significant throttling.
❓ How effective is the 100W charging on the iQOO 15 in real-world use?
The iQOO 15’s 100W charging is exceptionally fast. It can charge the phone from 0% to 100% in approximately 25-30 minutes, significantly faster than the Galaxy S24 FE’s 25W charging. This is a major convenience for users who need to quickly top up their battery.
❓ Is the 2000 charge cycle rating of the S24 FE a significant benefit?
Yes, the 2000 charge cycle rating indicates the battery is designed to retain a substantial portion of its capacity even after two thousand full charge-discharge cycles. This translates to a longer usable lifespan for the battery, potentially delaying the need for a replacement.
❓ Does the iQOO 15 support high refresh rate gaming?
While not explicitly stated, given the Snapdragon 8 Elite Gen 5’s capabilities, the iQOO 15 almost certainly supports high refresh rate gaming (90Hz or 120Hz). The powerful GPU can easily handle rendering games at higher frame rates, providing a smoother and more immersive gaming experience.