Umidigi F3 vs Realme 9i 5G: A Deep Dive into Budget 5G Performance

The sub-$200 smartphone market is fiercely competitive. The Umidigi F3 and Realme 9i 5G both aim to deliver 5G connectivity at an accessible price point, but they take drastically different approaches to achieving this. The F3 relies on an older, power-efficient chipset, while the 9i 5G opts for a newer, more powerful processor. This comparison will dissect the key differences to determine which phone offers the best value.
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🏆 Quick Verdict

For the average user prioritizing responsiveness and future-proofing, the Realme 9i 5G is the clear winner. Its Mediatek Dimensity 810 chipset provides a substantial performance advantage over the Umidigi F3’s Helio P70, making it better suited for multitasking, gaming, and demanding applications. While the F3 offers reasonable efficiency, the 9i 5G’s performance uplift justifies the potentially slight price difference.

PHONES
Phone Names Umidigi F3 Realme 9i 5G
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, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 661, 2, 3, 4, 5, 7, 8, 19, 20, 28, 34, 38, 39, 40, 41
5G bands-1, 5, 7, 8, 28, 41, 77, 78 SA/NSA
SpeedHSPA, LTEHSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / LTEGSM / HSPA / LTE / 5G
Launch
Announced20222022, August 18
StatusAvailable. Released 2022Available. Released 2022, August 24
Body
Dimensions168.3 x 76.6 x 8.8 mm (6.63 x 3.02 x 0.35 in)164.4 x 75.1 x 8.1 mm (6.47 x 2.96 x 0.32 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight195 g (6.88 oz)187 g (6.60 oz)
Display
Protection-Panda Glass
Resolution720 x 1650 pixels (~269 ppi density)1080 x 2408 pixels, 20:9 ratio (~400 ppi density)
Size6.7 inches, 106.2 cm2 (~82.3% screen-to-body ratio)6.6 inches, 104.9 cm2 (~85.0% screen-to-body ratio)
TypeIPS LCDIPS LCD, 90Hz, 400 nits (typ)
Platform
CPUOcta-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
ChipsetMediatek Helio P70 (12 nm)Mediatek Dimensity 810 (6 nm)
GPUMali-G72 MP3Mali-G57 MC2
OSAndroid 11Android 12, upgradable to Android 13, Realme UI 4.0
Memory
Card slotmicroSDXC (uses shared SIM slot)microSDXC (dedicated slot)
Internal128GB 8GB RAM64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
 -UFS 2.2
Main Camera
FeaturesDual-LED flash, HDR, panoramaLED flash, HDR, panorama
Single-8 MP, f/2.0, 27mm (wide)
Triple48 MP, f/1.8, (wide), 1/2.0", AF 8 MP, f/2.2, 120˚ (ultrawide) 5 MP (macro)50 MP, f/1.8, 26mm (wide), 1/2.76", 0.64µm, PDAF Unspecified MP, 46mm (telephoto) 2 MP (macro)
Video1080p@30fps1080p@30fps
Selfie camera
Features-HDR, panorama
Single16 MP, f/2.2, (wide)8 MP, f/2.0, 27mm (wide)
Video1080p@30fps1080p@30fps
Sound
3.5mm jack -Yes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth4.2, A2DP5.2, A2DP, LE
NFCYesNo
PositioningGPS, GALILEO, GLONASS, BDSGPS, GLONASS, GALILEO, BDS
RadioWireless FM radioNo
USBUSB Type-C, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band
Features
SensorsFingerprint (side-mounted), accelerometer, proximity, compassFingerprint (side-mounted), accelerometer, proximity, compass
Battery
Charging18W wired18W wired
Type5150 mAh5000 mAh
Misc
ColorsHawaii Blue, Matte Silver, Starry Black, Sunglow Gold, Galaxy BlueSoulful Blue, Rocking Black, Gold
Models-RMX3612
Price-About 180 EUR

Umidigi F3

  • Potentially lower price point
  • Decent battery efficiency with Helio P70
  • Suitable for basic smartphone tasks

  • Significantly weaker performance compared to the Realme 9i 5G
  • Older chipset may limit future software updates
  • Likely inferior camera performance

Realme 9i 5G

  • Superior performance with Mediatek Dimensity 810
  • More efficient 6nm process node
  • Better suited for gaming and multitasking
  • Likely improved camera image processing

  • Potentially slightly higher price
  • May not offer drastically better battery life due to increased performance demands

Display Comparison

Neither device’s display specifications are provided, so we must infer. Given the price bracket, both likely feature LCD panels with 1080p resolution. However, the Realme 9i 5G, benefiting from a more recent release, likely boasts a higher peak brightness and potentially a smoother refresh rate (90Hz is common in this segment). The Umidigi F3, being an older model, may have narrower viewing angles and less accurate color reproduction. Bezels are likely comparable, but Realme generally focuses on a more modern aesthetic.

Camera Comparison

Without detailed camera specs, a direct comparison is difficult. However, given the market positioning, both phones likely feature a primary camera around 48MP. The Realme 9i 5G, being a newer device, likely benefits from improved image processing algorithms and potentially a larger sensor size, leading to better low-light performance and dynamic range. The Umidigi F3 may rely on more aggressive noise reduction, potentially resulting in softer images. The inclusion of a 2MP macro lens on either device is largely a marketing gimmick and offers limited practical benefit.

Performance

The core difference lies in the chipsets. The Realme 9i 5G’s Mediatek Dimensity 810 (6nm) is a significant upgrade over the Umidigi F3’s Helio P70 (12nm). The Dimensity 810 utilizes more modern CPU cores – 2x Cortex-A76 at 2.4GHz versus the F3’s 4x Cortex-A73 at 2.1GHz – resulting in substantially faster single-core and multi-core performance. The 6nm process node also translates to improved power efficiency and reduced thermal throttling. While both are octa-core CPUs, the architectural improvements in the Dimensity 810 provide a more responsive and fluid user experience, especially noticeable in app loading times and multitasking. The Realme 9i 5G will handle graphically intensive games with greater ease.

Battery Life

Both devices feature 18W wired charging, suggesting similar charging speeds (approximately 2-3 hours for a full charge). Battery capacity isn’t specified, but the Dimensity 810’s superior power efficiency in the Realme 9i 5G could offset a potentially smaller battery size. The Helio P70 in the Umidigi F3, while efficient, is paired with a less optimized chipset, potentially leading to shorter screen-on times under heavy use. Real-world battery life will depend heavily on usage patterns, but the 9i 5G has a clear advantage in sustained performance.

Buying Guide

Buy the Umidigi F3 if you prioritize extreme budget consciousness and primarily need a phone for basic tasks like calls, texts, and light social media. Its Helio P70 chipset is adequate for these workloads and offers decent battery life. Buy the Realme 9i 5G if you value a smoother user experience, enjoy mobile gaming, or anticipate using more demanding apps. The Dimensity 810 provides a significant performance boost, making it a more versatile and future-proof option.

Frequently Asked Questions

❓ Will the Realme 9i 5G’s Dimensity 810 handle demanding games like PUBG Mobile smoothly?
Yes, the Mediatek Dimensity 810 is capable of running PUBG Mobile at medium to high settings with stable frame rates. While it won't match flagship performance, it provides a significantly smoother gaming experience than the Umidigi F3’s Helio P70, which may struggle with consistent performance even at lower settings.
❓ Is the Umidigi F3 a good choice for someone who primarily uses their phone for calls, texts, and basic social media?
Absolutely. The Umidigi F3’s Helio P70 chipset is perfectly adequate for these tasks. Its strength lies in its affordability and decent battery efficiency for light usage. However, if you anticipate needing more performance in the future, the Realme 9i 5G is a more future-proof investment.
❓ Does the Realme 9i 5G support carrier aggregation for faster 5G speeds?
While not explicitly stated, the Dimensity 810 chipset *typically* supports carrier aggregation, which can significantly improve 5G download and upload speeds depending on your carrier and location. This is a feature the older Helio P70 in the Umidigi F3 is less likely to fully support.