vivo iQOO 9 vs Samsung Galaxy S21+: A Head-to-Head Showdown

The vivo iQOO 9 and Samsung Galaxy S21+ 5G represent compelling choices in the flagship smartphone arena. Both offer premium features and performance, but cater to slightly different priorities. This comprehensive comparison will break down their strengths and weaknesses to help you decide which device deserves your investment.
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🏆 Quick Verdict

The iQOO 9 delivers blazing-fast charging and raw performance thanks to the Snapdragon 8 Gen 1. The Galaxy S21+ 5G boasts a more refined software experience, a brighter display, and a more established ecosystem. Ultimately, the iQOO 9 wins on speed and value, while the S21+ shines in overall polish.

PHONES
Phone Names vivo iQOO 9 (China) Samsung Galaxy S21+ 5G
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, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 411, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 - SM-G996U1
5G bands1, 3, 5, 8, 28, 41, 77, 78 SA/NSA2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G996U1
SpeedHSPA, LTE, 5GHSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL)
TechnologyGSM / CDMA / HSPA / CDMA2000 / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
 CDMA2000 1x 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - SM-G996B
Launch
Announced2022, January 052021, January 14
StatusAvailable. Released 2022, January 12Available. Released 2021, January 29
Body
Build-Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame
Dimensions164.5 x 76.7 x 8.4 mm (6.48 x 3.02 x 0.33 in)161.5 x 75.6 x 7.8 mm (6.36 x 2.98 x 0.31 in)
SIMNano-SIM + Nano-SIM· Nano-SIM + eSIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
Weight206 g (7.27 oz)200 g (Sub6), 202 g (mmWave) (7.05 oz)
 -IP68 dust/water resistant (up to 1.5m for 30 min)
Display
Protection-Corning Gorilla Glass Victus
Resolution1080 x 2400 pixels, 20:9 ratio (~388 ppi density)1080 x 2400 pixels, 20:9 ratio (~394 ppi density)
Size6.78 inches, 111.0 cm2 (~88.0% screen-to-body ratio)6.7 inches, 107.8 cm2 (~88.3% screen-to-body ratio)
TypeAMOLED, 120Hz, HDR10, 1500 nits (peak)Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak)
 -Always-on display
Platform
CPUOcta-core (1x3.00 GHz Cortex-X2 & 3x2.50 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - InternationalOcta-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - USA/China
ChipsetQualcomm SM8450 Snapdragon 8 Gen 1 (4 nm)Exynos 2100 (5 nm) - InternationalQualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China
GPUAdreno 730Mali-G78 MP14 - InternationalAdreno 660 - USA/China
OSAndroid 12, OriginOS OceanAndroid 11, up to 4 major Android upgrades, One UI 6.1
Memory
Card slotNoNo
Internal128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM128GB 8GB RAM, 256GB 8GB RAM
 UFS 3.1UFS 3.1
Main Camera
FeaturesDual-LED dual-tone flash, HDR, panoramaLED flash, auto-HDR, panorama
Single16 MP, f/2.5, (wide)-
Triple50 MP, f/1.8, (wide), 1/1.57", 1.0µm, PDAF, OIS 12 MP, f/2.0, 47mm (telephoto), PDAF, 2x optical zoom 13 MP, f/2.2, 16mm, 120˚ (ultrawide)12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS 64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video
Video4K@30fps, 1080p@30fps, gyro-EIS8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS
Selfie camera
FeaturesHDRHDR
Single16 MP, f/2.5, (wide)10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, dual pixel PDAF
Video1080p@30fps, gyro-EIS4K@30/60fps, 1080p@30fps
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker Yes, with dual speakersYes, with stereo speakers
 24-bit/192kHz audio32-bit/384kHz audio Tuned by AKG
Comms
Bluetooth5.2, A2DP, LE, aptX HD, aptX Adaptive5.0, A2DP, LE
NFCYesYes
PositioningGPS, GLONASS, GALILEO, BDS, QZSSGPS, GLONASS, BDS, GALILEO
RadioNoFM radio (Snapdragon model only; market/operator dependent)
USBUSB Type-C 2.0, OTGUSB Type-C 3.2, OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, ultrasonic), 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) support
Battery
Charging120W wired, 100% in 19 min 10W reverse wireless25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless
Type4700 mAhLi-Ion 4800 mAh
Misc
ColorsWhite (BMW M branding), Orange, BlackPhantom Black, Phantom Silver, Phantom Violet, Phantom Pink, Phantom Gold, Phantom Red
ModelsV2171ASM-G996B, SM-G996B/DS, SM-G996U, SM-G996U1, SM-G996W, SM-G996N, SM-G9960
PriceAbout 560 EUR$ 162.99 / £ 185.00 / € 199.00
SAR-0.65 W/kg (head)     0.95 W/kg (body)
SAR EU-0.54 W/kg (head)     1.33 W/kg (body)
Tests
Battery life- Endurance rating 114h
Camera- Photo / Video
Display- Contrast ratio: Infinite (nominal)
Loudspeaker- -25.8 LUFS (Very good)
Performance- AnTuTu: 622276 (v8) GeekBench: 3476 (v5.1) GFXBench: 54fps (ES 3.1 onscreen)

vivo iQOO 9 (China)

  • Blazing-fast 120W charging
  • Superior performance (Snapdragon 8 Gen 1)
  • Excellent value for money
  • Smooth display

  • Camera performance slightly inconsistent
  • Software experience less polished than Samsung
  • Availability limited outside China

Samsung Galaxy S21+ 5G

  • Brighter and more vibrant display
  • Refined software experience (One UI)
  • Established ecosystem
  • Consistent camera performance

  • Slower charging (25W)
  • Performance slightly behind iQOO 9
  • Higher price point

Display Comparison

The Samsung Galaxy S21+ 5G takes the display crown with its measured 883 nits peak brightness, offering excellent visibility even in direct sunlight. While the iQOO 9 has a good display, it doesn't reach the same level of brightness. Both offer vibrant colors and smooth refresh rates, but the S21+'s brightness gives it an edge.

Camera Comparison

Both phones offer capable camera systems, but the Galaxy S21+ 5G generally produces more consistent and pleasing results, particularly in challenging lighting conditions. The iQOO 9's camera is good, but can sometimes struggle with color accuracy and dynamic range. Samsung's image processing is more refined.

Performance

The iQOO 9's Snapdragon 8 Gen 1 chipset provides a significant performance advantage over the Galaxy S21+'s Exynos 2100 (International version) or Snapdragon 888 (USA/China). Expect smoother multitasking, faster app loading times, and better gaming performance on the iQOO 9. The S21+ is still capable, but the iQOO 9 is noticeably quicker.

Battery Life

The Galaxy S21+ 5G boasts an impressive endurance rating of 114h, suggesting excellent battery life. While the iQOO 9's battery capacity is comparable, its 120W charging significantly outweighs any potential battery life advantage. You'll spend far less time plugged in with the iQOO 9.

Buying Guide

The vivo iQOO 9 is ideal for gamers and power users who prioritize performance and rapid charging. The Samsung Galaxy S21+ 5G is a better fit for users who value a polished user experience, a vibrant display, and seamless integration with the Samsung ecosystem.

Frequently Asked Questions

❓ Is the iQOO 9 available globally?
The iQOO 9's availability is primarily limited to China and select Asian markets. Check local retailers for availability in your region.
❓ Which phone has better software support?
Samsung generally offers longer software update support and a more polished user experience with One UI compared to vivo's Funtouch OS.