vivo X70 vs. Samsung Galaxy S21 FE 5G: Which Flagship Delivers the Best Value?

The vivo X70 and Samsung Galaxy S21 FE 5G represent compelling options in a crowded smartphone market. The X70, with its Mediatek Dimensity 1200, aims for a balance of performance and camera prowess. The S21 FE, powered by either the Snapdragon 888 or Exynos 2100, attempts to deliver a flagship experience at a more accessible price point, especially now with price drops. This comparison dissects their key differences to determine which phone best suits your needs.
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🏆 Quick Verdict

For the average user prioritizing consistent performance and a refined camera experience, the Samsung Galaxy S21 FE 5G emerges as the stronger choice. While the vivo X70 offers a capable package, the S21 FE’s Snapdragon 888 (or even the Exynos 2100) provides a more robust foundation for demanding tasks and benefits from Samsung’s established software ecosystem.

PHONES
Phone Names vivo X70 Samsung Galaxy S21 FE 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, 18, 19, 20, 26, 28, 38, 39, 40, 41 - International1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 32, 38, 40, 41, 66 - International
5G bands1, 3, 5, 7, 28, 40, 41, 78 SA/NSA - International1, 3, 5, 8, 20, 28, 38, 40, 41, 66, 78 SA/NSA/Sub6 - International
SpeedHSPA, LTE, 5GHSPA 42.2/5.76 Mbps, LTE (5CA) Cat19 1600/200 Mbps, 5G
TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
 -41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - USA
Launch
Announced2021, September 092022, January 04
StatusAvailable. Released 2021, September 30Available. Released 2022, January 07
Body
Build-Glass front (Gorilla Glass Victus), plastic back, aluminum frame
Dimensions160.1 x 75.4 x 7.6 mm (6.30 x 2.97 x 0.30 in)155.7 x 74.5 x 7.9 mm (6.13 x 2.93 x 0.31 in)
SIMNano-SIM + Nano-SIM· Nano-SIM· Nano-SIM + Nano-SIM
Weight181/182 g (6.42 oz)177 g (6.24 oz)
 -IP68 dust/water resistant (up to 1.5m for 30 min)
Display
Protection-Corning Gorilla Glass Victus
Resolution1080 x 2376 pixels (~398 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Size6.56 inches, 104.6 cm2 (~86.6% screen-to-body ratio)6.4 inches, 100.5 cm2 (~86.7% screen-to-body ratio)
TypeAMOLED, 120Hz, HDR10+Dynamic AMOLED 2X, 120Hz, HDR10+
 -Always-on display
Platform
CPUOcta-core (1x3.0 GHz Cortex-A78 & 3x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - Version 1Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - Version 2
ChipsetMediatek Dimensity 1200 (6 nm)Qualcomm SM8350 Snapdragon 888 5G (5 nm) - Version 1Exynos 2100 (5 nm) - Version 2
GPUMali-G77 MC9Adreno 660 - Version 1Mali-G78 MP14 - Version 2
OSAndroid 11, upgradable to Android 14, Funtouch OS 14 (International), OriginOS (China)Android 12, up to 4 major Android upgrades, One UI 8
Memory
Card slotNoNo
Internal128GB 8GB RAM, 128GB 12GB RAM, 256GB 8GB RAM, 256GB 12GB RAM128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM
Main Camera
FeaturesZeiss optics, Zeiss T* lens coating, color spectrum sensor, Pixel Shift, dual-LED dual-tone flash, HDR, panoramaLED flash, auto-HDR, panorama
Quad40 MP, f/1.9, (wide), 1.0µm, PDAF 12 MP, f/2.0, 50mm (telephoto), 1/2.93", 1.22µm, PDAF, 2x optical zoom 12 MP, f/2.2, 16mm, 116˚ (ultrawide), 1/3.1", 1.12µm-
Single-32 MP, f/2.2, 26mm (wide), 1/2.74", 0.8µm
Triple-12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS 8 MP, f/2.4, 76mm (telephoto), 1/4.5", 1.0µm, PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 13mm, 123˚ (ultrawide), 1/3.0", 1.12µm
Video4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR10+4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, gyro-EIS
Selfie camera
FeaturesHDRHDR
Single32 MP, f/2.5, 24mm (wide), 1/2.8", 0.8µm32 MP, f/2.2, 26mm (wide), 1/2.74", 0.8µm
Video1080p@30fps4K@30/60fps, 1080p@30/60fps, gyro-EIS
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker YesYes, with stereo speakers
 -32-bit/384kHz audio
Comms
Bluetooth5.2, A2DP, LE, aptX HD5.0, A2DP, LE
NFCYesYes
PositioningGPS (L1+L5), GLONASS, BDS, GALILEO, QZSS, NavICGPS, GLONASS, BDS, GALILEO
RadioNoUnspecified
USBUSB Type-C 2.0, OTGUSB Type-C, 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, optical), accelerometer, gyro, proximity, compass
 -Bixby natural language commands and dictation Samsung Pay (Visa, MasterCard certified) Samsung DeX (desktop experience support)
Battery
Charging44W wired 5W reverse wired25W wired, PD3.0, 50% in 30 min 15W wireless Reverse wireless
Type4400 mAhLi-Ion 4500 mAh
Misc
ColorsCosmic Black, Aurora Dawn, WhiteWhite, Graphite, Lavender, Olive
ModelsV2133A, V2104SM-G990B, SM-G990B/DS, SM-G990U, SM-G990U1, SM-G990W, SM-G990E, SM-G9900, SM-G990B2, SM-G990U2, SM-G990W2, SM-G990U3
PriceAbout 520 EUR€ 199.00 / $ 143.95 / £ 154.99 / ₹ 29,990
SAR-0.77 W/kg (head)     0.90 W/kg (body)
SAR EU-0.95 W/kg (head)     1.48 W/kg (body)
Tests
Battery life- Endurance rating 92h
Camera- Photo / Video
Display- Contrast ratio: Infinite (nominal)
Loudspeaker- -26.9 LUFS (Good)
Performance- AnTuTu: 566529 (v8), 719696 (v9) GeekBench: 3049 (v5.1) GFXBench: 56fps (ES 3.1 onscreen)

vivo X70

  • Faster wired charging (44W)
  • Potentially more efficient Dimensity 1200 chipset
  • Vivo's reputation for camera image processing

  • Less established brand recognition
  • Limited information on camera specs
  • No wireless charging

Samsung Galaxy S21 FE 5G

  • More powerful Snapdragon 888/Exynos 2100 chipset
  • Brighter display (792 nits)
  • Wireless and reverse wireless charging

  • Slower wired charging (25W)
  • Potential for Exynos variant to throttle under load
  • Samsung's software bloat

Display Comparison

The Samsung Galaxy S21 FE 5G boasts a brighter display, reaching a measured 792 nits, compared to an unspecified peak brightness for the vivo X70. While both offer excellent viewing experiences, the S21 FE’s higher peak brightness translates to better visibility under direct sunlight. Both displays feature an 'Infinite' contrast ratio (nominal), suggesting deep blacks. However, the X70’s display technology isn’t specified, while the S21 FE’s panel is known for its color accuracy and smooth scrolling, making it ideal for media consumption and gaming.

Camera Comparison

Both phones are marketed for their camera capabilities, but the specifics are limited. The provided data only indicates 'Photo / Video' for both. However, vivo is renowned for its image processing and gimbal stabilization, suggesting the X70 likely excels in low-light photography and video recording. The S21 FE’s camera system, while capable, relies on Samsung’s image processing algorithms. Without sensor size or aperture information, it’s difficult to definitively declare a winner, but the S21 FE’s broader feature set and potentially more versatile camera modes give it a slight edge. The lack of detail regarding the X70’s camera system makes a precise comparison challenging.

Performance

The core of the performance difference lies in the chipsets. The Samsung Galaxy S21 FE 5G comes in two variants: one with the Qualcomm Snapdragon 888 (5nm) and another with the Exynos 2100 (5nm). Both are built on a smaller 5nm process compared to the vivo X70’s 6nm Dimensity 1200, potentially leading to better thermal efficiency and sustained performance. The Snapdragon 888’s Cortex-X1 prime core (2.84 GHz or 2.9 GHz depending on the version) offers a performance edge over the X70’s Cortex-A78 (3.0 GHz). The X70’s CPU configuration, with more Cortex-A78 cores, might offer strong multi-core performance, but the Snapdragon 888’s superior GPU and overall architecture give it an advantage in graphically intensive tasks. The S21 FE also benefits from potentially faster LPDDR5 RAM, though this isn’t explicitly stated in the provided data.

Battery Life

Both the vivo X70 and Samsung Galaxy S21 FE 5G achieve an endurance rating of 92 hours, indicating similar overall battery life. However, the charging speeds differ significantly. The S21 FE supports 25W wired charging with PD3.0, reaching 50% charge in 30 minutes, alongside 15W wireless and reverse wireless charging. The X70 offers 44W wired charging, which should theoretically be faster, but lacks wireless charging options. The S21 FE’s wireless charging and reverse wireless capabilities add convenience, while the X70’s faster wired charging is beneficial for quick top-ups.

Buying Guide

Buy the vivo X70 if you prioritize a unique camera aesthetic and are comfortable with the Mediatek Dimensity 1200’s performance profile, potentially benefiting from its efficient power draw. Buy the Samsung Galaxy S21 FE 5G if you prefer a more widely recognized brand, a potentially faster processor (depending on the version), and a more versatile software experience with guaranteed updates and a broader ecosystem of accessories.

Frequently Asked Questions

❓ Does the Exynos 2100 version of the S21 FE suffer from overheating during prolonged gaming sessions?
The Exynos 2100 variant of the S21 FE has been reported to experience more thermal throttling than the Snapdragon 888 version during extended gaming. While not a deal-breaker, users should be aware that performance may dip slightly after prolonged use. The Snapdragon 888’s 5nm process generally offers better thermal efficiency.
❓ Is the 44W charging on the vivo X70 significantly faster in real-world use compared to the S21 FE’s 25W charging?
While 44W is numerically higher, the difference in charging speed isn't as dramatic as it appears. The S21 FE’s PD3.0 implementation and optimized charging curve allow it to reach 50% in 30 minutes. The X70 will likely be faster to 100%, but the convenience of wireless charging on the S21 FE is a significant advantage for many users.
❓ How does the image processing differ between the vivo X70 and the Samsung Galaxy S21 FE 5G?
Vivo typically aims for a more natural and balanced image processing style, focusing on accurate colors and detail preservation. Samsung, on the other hand, tends to boost colors and contrast for a more vibrant, albeit sometimes less realistic, look. This difference is a matter of personal preference.