Realme C51s vs Ulefone Note 7: Which Budget Phone Delivers More?

The Ulefone Note 7 and Realme C51s represent distinct approaches to the ultra-budget smartphone market. The Note 7, leveraging an older chipset, aims for affordability, while the C51s introduces a newer processor and notably faster charging capabilities. This comparison dissects their specifications to determine which device offers the best value for users prioritizing performance and convenience.
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🏆 Quick Verdict

For the average user, the Realme C51s is the clear winner. Its Unisoc Tiger T612 chipset provides a substantial performance uplift over the Ulefone Note 7’s Mediatek MT6580, and the 33W charging dramatically reduces downtime. While the Note 7 may be cheaper, the C51s offers a significantly improved user experience.

PHONES
Phone Names Ulefone Note 7 Realme C51s
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100HSDPA 900 / 2100
4G bands-1, 3, 5, 8, 38, 40
SpeedHSPA 21.1/5.76 MbpsHSPA, LTE
TechnologyGSM / HSPAGSM / HSPA / LTE
Launch
Announced2019, April. Released 2019, April2024, March 15
StatusDiscontinuedAvailable. Released 2024, March 15
Body
Build-Glass front, plastic frame, plastic back
Dimensions156.1 x 73.7 x 9.7 mm (6.15 x 2.90 x 0.38 in)167.2 x 76.7 x 7.5 mm (6.58 x 3.02 x 0.30 in)
SIMNano-SIM + Micro-SIMNano-SIM + Nano-SIM
Weight177.5 g (6.28 oz)182 g (6.42 oz)
Display
ProtectionCorning Gorilla Glass 3-
Resolution600 x 1280 pixels (~232 ppi density)720 x 1600 pixels, 20:9 ratio (~260 ppi density)
Size6.1 inches, 92.3 cm2 (~80.2% screen-to-body ratio)6.74 inches, 109.7 cm2 (~85.5% screen-to-body ratio)
TypeIPS LCDIPS LCD, 90Hz, 560 nits (peak)
Platform
CPUQuad-core 1.3 GHz Cortex-A7Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
ChipsetMediatek MT6580 (28 nm)Unisoc Tiger T612 (12 nm)
GPUMali-400Mali-G57
OSAndroid 8.1 Oreo (Go edition)Android 13, Realme UI
Memory
Card slotmicroSDXC (uses shared SIM slot)microSDXC (dedicated slot)
Internal32GB 3GB RAM128GB 6GB RAM
 eMMC 5.1-
Main Camera
FeaturesLED flash, HDRLED flash, HDR, panorama
Single8 MP, AF50 MP, f/1.8, 27mm (wide), 1/2.76", 0.64µm, PDAF Auxiliary lens
Triple8 MP, f/1.8, (wide), AF 2 MP 2 MP-
Video720p@30fps1080p@30fps
Selfie camera
Features-HDR
Single5 MP5 MP, f/2.2, 28mm (wide), 1/5.0", 1.12µm
Video720p@30fps720p@30fps
Sound
3.5mm jack Yes-
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth4.0, A2DP5.0, A2DP, LE
NFCNoYes, 360˚ (market/region dependent)
PositioningGPSGPS, GLONASS, GALILEO
RadioStereo FM radio, RDS, recordingUnspecified
USBmicroUSB 2.0USB Type-C
WLANWi-Fi 802.11 b/g/nWi-Fi 802.11 a/b/g/n/ac, dual-band
Features
SensorsAccelerometer, proximityFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Charging-33W wired, 0-50% in 28 min
Stand-byUp to 374 h (3G)-
Talk timeUp to 9 h (3G)-
TypeLi-Po 3500 mAh5000 mAh
Misc
ColorsBlack, Gold, TwilightShiny Green, Mighty Black
ModelsQ345RMX3765
PriceAbout 120 EURAbout 100 EUR
SAR EU0.35 W/kg (head)     0.86 W/kg (body)     -

Ulefone Note 7

  • Potentially lower price point
  • Simple and straightforward user experience
  • May have a slightly longer battery life due to less power-hungry processor (depending on battery capacity)

  • Significantly slower processor
  • Outdated chipset architecture
  • Likely slower charging speeds
  • Inferior multitasking performance

Realme C51s

  • Faster and more efficient Unisoc Tiger T612 processor
  • 33W fast charging for quick top-ups
  • Improved multitasking capabilities
  • Likely better camera image processing

  • Potentially higher price
  • May have a smaller battery capacity (unconfirmed)
  • Unisoc chipset may have less software support than Mediatek

Display Comparison

Neither device’s display specifications are provided, so a direct comparison is limited. However, given the market segment, both likely utilize LCD panels. The Realme C51s, being a newer device, may benefit from improved color calibration and viewing angles. The Ulefone Note 7, relying on older technology, may exhibit narrower viewing angles and less accurate color reproduction. Expect both to prioritize cost-effectiveness over display quality.

Camera Comparison

Without detailed camera specifications, a precise comparison is difficult. However, it’s reasonable to assume both phones feature basic camera setups geared towards casual photography. The Realme C51s, being a newer model, likely benefits from improved image processing algorithms, potentially resulting in better dynamic range and noise reduction. The Ulefone Note 7’s camera will likely produce images with less detail and more visible noise, especially in low-light conditions. It's probable both devices include low-resolution auxiliary cameras (e.g., 2MP depth sensors) that offer limited practical benefit.

Performance

The performance gap between these two devices is significant. The Realme C51s’ Unisoc Tiger T612, built on a 12nm process, features an octa-core configuration (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) offering a substantial advantage over the Ulefone Note 7’s quad-core 1.3 GHz Cortex-A7 processor fabricated on a larger 28nm node. The T612’s Cortex-A75 cores provide a noticeable boost in single-core performance, crucial for app responsiveness, while the additional cores enhance multitasking capabilities. The 12nm process also contributes to better power efficiency, potentially extending battery life despite the increased processing power. The MT6580 in the Note 7 will struggle with demanding applications and multitasking.

Battery Life

While battery capacities aren’t specified, the Realme C51s’ 33W wired charging is a game-changer. The ability to charge from 0-50% in just 28 minutes significantly reduces downtime compared to the Ulefone Note 7, which likely relies on slower charging speeds. Even if the Note 7 has a slightly larger battery capacity, the C51s’ faster charging will likely result in a more convenient user experience. The efficiency gains from the 12nm Unisoc chip may also contribute to comparable or better real-world battery life on the C51s.

Buying Guide

Buy the Ulefone Note 7 if you absolutely need the lowest possible price and your smartphone usage is limited to basic tasks like calls, texts, and light web browsing. Buy the Realme C51s if you value a smoother, more responsive experience, faster app loading times, and the convenience of rapid charging, even if it means spending a bit more upfront.

Frequently Asked Questions

❓ Is the Unisoc Tiger T612 in the Realme C51s powerful enough for casual gaming?
Yes, the Unisoc Tiger T612 is capable of handling most casual mobile games at medium settings. While it won't deliver flagship-level performance, it provides a significantly smoother gaming experience compared to the Ulefone Note 7’s MT6580, which will struggle with even less demanding titles.
❓ How much faster is the 33W charging on the Realme C51s compared to a standard 10W charger?
The 33W charging on the Realme C51s is substantially faster. While the Ulefone Note 7 likely uses a 5W or 10W charger, the C51s can reach 50% charge in just 28 minutes. A standard 10W charger would take considerably longer – potentially over 3 hours for a full charge.
❓ Will the Realme C51s receive regular software updates?
Realme generally provides decent software support for its devices, including security patches and occasional feature updates. However, given the C51s’ budget positioning, it may not receive the same level of long-term support as Realme’s higher-end models. The Ulefone Note 7 is likely to receive minimal software updates.