BLU G70 vs BLU C7: Which Budget Phone Delivers More Performance?

The BLU G70 and BLU C7 represent distinct approaches to the ultra-budget smartphone market. The C7 aims for affordability, while the G70 attempts to offer a noticeable performance boost. This comparison dissects the core differences between these two devices, focusing on how their processors impact real-world usage.
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🏆 Quick Verdict

For most users, the BLU G70 is the superior choice. Its octa-core 2.0 GHz Cortex-A53 processor provides a significantly smoother experience for multitasking and app loading compared to the C7’s quad-core 1.3 GHz Cortex-A7. While the C7 is cheaper, the G70’s performance uplift justifies the price difference.

PHONES
Phone Names BLU C7 BLU G70
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 bands-1, 2, 3, 4, 5, 7, 12, 17, 28
SpeedHSPA 21.1/5.76 MbpsHSPA 42.2/11.5 Mbps, LTE Cat4 150/50 Mbps
TechnologyGSM / HSPAGSM / HSPA / LTE
Launch
Announced2021, May 22. Released 2021, May 222020, January. Released 2020, January
StatusDiscontinuedDiscontinued
Body
Dimensions165 x 76.5 x 8.9 mm (6.50 x 3.01 x 0.35 in)156.8 x 75 x 8.6 mm (6.17 x 2.95 x 0.34 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight186 g (6.56 oz)182 g (6.42 oz)
Display
Resolution720 x 1600 pixels, 20:9 ratio (~270 ppi density)720 x 1560 pixels, 19.5:9 ratio (~268 ppi density)
Size6.5 inches, 102.0 cm2 (~80.8% screen-to-body ratio)6.4 inches, 100.5 cm2 (~85.5% screen-to-body ratio)
TypeIPS LCDIPS LCD
Platform
CPUQuad-core 1.3 GHz Cortex-A7Octa-core 2.0 GHz Cortex-A53
GPU-Mali-G71
OSAndroid 10 (Go edition)Android 9.0 (Pie)
Memory
Card slotmicroSDXCmicroSDXC (dedicated slot)
Internal32GB 1GB RAM32GB 2GB RAM
 eMMC 5.1eMMC 5.1
Main Camera
Dual8 MP Auxiliary lens13 MP, AF Auxiliary lens
FeaturesLED flashLED flash
Single8 MP-
Video1080p@30fps1080p@30fps
Selfie camera
Single8 MP8 MP
Video720p@30fps720p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth4.0, A2DP4.0, A2DP
NFCNoNo
PositioningGPSGPS
RadioFM radioFM radio
USBmicroUSB 2.0USB Type-C 2.0
WLANWi-Fi 802.11 b/g/n, Wi-Fi DirectWi-Fi 802.11 a/b/g/n, Wi-Fi Direct
Features
SensorsFingerprint (rear-mounted), accelerometerFingerprint (rear-mounted), accelerometer, proximity
Battery
TypeLi-Po 4000 mAhLi-Po 4000 mAh, removable
Misc
ColorsBlack, Blue, Green, RedBlack, Blue, Green
PriceAbout 60 EURAbout 90 EUR

BLU C7

  • Lower price point makes it highly accessible.
  • Simple and straightforward user experience.
  • Suitable for basic communication tasks.

  • Slow processor struggles with multitasking.
  • Outdated CPU architecture limits performance.
  • Likely lower quality display compared to the G70.

BLU G70

  • Significantly faster processor for smoother performance.
  • Octa-core CPU handles multitasking more effectively.
  • Potentially better battery efficiency due to processor improvements.

  • Higher price compared to the BLU C7.
  • Camera quality likely only marginally better.
  • Still a budget device with inherent limitations.

Display Comparison

Neither BLU provides display specifications. Given their price point, both likely utilize IPS LCD panels with 720p resolutions. The C7’s age suggests a potentially lower peak brightness and wider bezels. The G70, being newer, may benefit from slight improvements in color accuracy and viewing angles, but substantial differences are unlikely. Expect similar visual experiences overall.

Camera Comparison

Without detailed camera specifications, a direct comparison is difficult. Both phones likely feature basic camera setups geared towards casual photography. The G70, being a newer model, *may* have a slightly improved sensor or image processing algorithm, but the difference will likely be marginal. Expect similar image quality in good lighting conditions, with both struggling in low-light scenarios. The inclusion of a 2MP macro lens on either device is largely a marketing gimmick and unlikely to produce usable results.

Performance

The core difference lies in the CPUs. The BLU G70’s octa-core 2.0 GHz Cortex-A53 processor represents a substantial upgrade over the BLU C7’s quad-core 1.3 GHz Cortex-A7. The A53 architecture, while not cutting-edge, is significantly more efficient and capable than the older A7. This translates to faster app launch times, smoother multitasking, and improved responsiveness. The G70 will handle more demanding apps and light gaming with greater ease. The additional cores allow for better parallel processing, benefiting tasks like video editing or image processing, even if basic.

Battery Life

Battery capacity is not specified for either device. However, the G70’s more efficient processor could translate to slightly better battery life despite potentially having a similar capacity. The G70’s faster processor will complete tasks quicker, reducing the overall time the CPU is active and consuming power. Charging wattage is also unknown, but the G70 may support faster charging due to its newer design, potentially reducing 0-100% charge times.

Buying Guide

Buy the BLU C7 if you need a basic smartphone for essential tasks like calls, texts, and light web browsing, and your budget is extremely limited. It’s suitable for first-time smartphone users or as a temporary device. Buy the BLU G70 if you prioritize a more responsive user experience, enjoy occasional gaming, or frequently switch between apps. The G70 offers a better long-term investment for those seeking a more capable device.

Frequently Asked Questions

❓ Will the BLU G70 be able to run popular social media apps like TikTok and Instagram smoothly?
Yes, the BLU G70’s octa-core processor and Cortex-A53 architecture are sufficient to run popular social media apps like TikTok and Instagram without significant lag. While it won’t offer the same performance as a flagship device, it will provide a much smoother experience than the BLU C7.
❓ Is the BLU C7 suitable for someone who primarily uses their phone for making calls and sending texts?
Absolutely. The BLU C7 is perfectly adequate for basic communication tasks like making calls and sending texts. Its quad-core processor is sufficient for these functions, and its lower price point makes it an attractive option for users with minimal smartphone needs.
❓ Can I expect to play mobile games on the BLU G70?
The BLU G70 can handle some mobile games, particularly less demanding titles. However, don't expect to play graphically intensive games like PUBG or Genshin Impact at high settings. You'll likely need to lower the graphics settings to achieve playable frame rates. The C7 would struggle even with basic games.