Lenovo K13 vs Realme C11 (2021): A Tale of Two Identical Phones

The Lenovo K13 and Realme C11 (2021) occupy the ultra-budget smartphone segment, and a quick glance at the specifications reveals a startling similarity: they are, in essence, the same phone under different branding. This comparison dissects the minute differences to determine which device provides the most compelling user experience, given their shared core hardware.
Phones Images

🏆 Quick Verdict

For the average user, the Realme C11 (2021) edges out the Lenovo K13 due to the inclusion of reverse wired charging. While both phones deliver identical performance with the Unisoc SC9863A, the added utility of being able to charge other devices makes the Realme a slightly more versatile option.

PHONES
Phone Names Lenovo K13 Realme C11 (2021)
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 1900 / 2100
4G bandsLTE1, 3, 5, 8, 38, 40, 41
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
Launch
Announced2021, August 302021, June 28
StatusAvailable. Released 2021, August 30Available. Released 2021, June 28
Body
BuildGlass front, plastic back, plastic frameGlass front, plastic frame, plastic back
Dimensions165.1 x 75.9 x 9.2 mm (6.5 x 2.99 x 0.36 in)165.2 x 76.4 x 8.9 mm (6.50 x 3.01 x 0.35 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight200 g (7.05 oz)190 g (6.70 oz)
 Water-repellent designSplash resistant design
Display
Resolution720 x 1600 pixels, 20:9 ratio (~269 ppi density)720 x 1600 pixels, 20:9 ratio (~269 ppi density)
Size6.52 inches, 102.6 cm2 (~81.9% screen-to-body ratio)6.52 inches, 102.6 cm2 (~81.3% screen-to-body ratio)
TypeIPS LCDIPS LCD, 400 nits (typ)
Platform
CPUOcta-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
ChipsetUnisoc SC9863A (28 nm)Unisoc SC9863A (28 nm)
GPUIMG8322IMG8322
OSAndroid 10 (Go edition)Android 11, Realme Go UI
Memory
Card slotmicroSDXC (uses shared SIM slot)microSDXC (dedicated slot)
Internal32GB 2GB RAM32GB 2GB RAM, 64GB 4GB RAM
 eMMC 5.1eMMC 5.1
Main Camera
Dual13 MP, f/2.0, 26mm (wide), 1/3.1", 1.12µm, PDAF 2 MP (macro)-
FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Single-8 MP, f/2.0, (wide), AF
Video1080p@30fps1080p@30fps
Selfie camera
FeaturesHDRHDR, panorama
Single5 MP, f/2.2, 27mm (wide), 1.12µm5 MP, f/2.2, (wide)
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth4.2, A2DP, LE4.2, A2DP
NFCNoNo
PositioningGPS, GLONASS, GALILEOGPS, GLONASS, GALILEO, BDS
RadioFM radioUnspecified
USBUSB Type-C 2.0, OTGmicroUSB 2.0, OTG
WLANWi-Fi 802.11 b/g/nWi-Fi 802.11 b/g/n
Features
SensorsFingerprint (rear-mounted), accelerometer, proximityAccelerometer, gyro, proximity, compass
Battery
Charging10W wired10W wired Reverse wired
TypeLi-Ion 5000 mAh5000 mAh
Misc
ColorsTahiti Blue, Coral RedCool Blue, Cool Grey
Models-RMX3231
PriceAbout 90 EURAbout 80 EUR

Lenovo K13

  • Potentially lower price point
  • Simple and straightforward user experience
  • Reliable for basic smartphone tasks

  • Lacks reverse wired charging
  • Limited performance for demanding apps
  • Basic camera capabilities

Realme C11 (2021)

  • Includes reverse wired charging
  • Identical performance to Lenovo K13
  • Slightly more versatile due to reverse charging

  • May be slightly more expensive
  • Limited performance for demanding apps
  • Basic camera capabilities

Display Comparison

Both the Lenovo K13 and Realme C11 (2021) are expected to feature similar LCD panels, given their price bracket. Specific details like resolution and brightness are not provided, but it's safe to assume they target a basic viewing experience suitable for indoor use. The absence of features like high refresh rates or even full HD+ resolution indicates a focus on cost reduction. Bezels are likely to be substantial on both devices, maximizing screen real estate within a compact form factor.

Camera Comparison

Camera performance is expected to be similar on both devices, relying on the same underlying image signal processor (ISP) within the Unisoc SC9863A. Details regarding sensor resolution and aperture are not provided, but these phones likely feature a primary camera paired with basic auxiliary lenses (often a 2MP macro or depth sensor). Image quality will be acceptable in good lighting conditions, but will suffer in low light due to the limitations of the sensor and ISP. The lack of optical image stabilization (OIS) will exacerbate this issue.

Performance

The heart of both devices is the Unisoc SC9863A chipset, a 28nm octa-core processor with a configuration of 4x1.6 GHz Cortex-A55 cores and 4x1.2 GHz Cortex-A55 cores. This means performance will be virtually identical across both phones. Expect smooth operation for basic tasks like browsing, social media, and messaging, but struggles with demanding games or multitasking. The shared chipset also implies similar thermal limitations; neither phone is designed for sustained high performance, and throttling is likely under load. RAM configurations are not specified, but are likely to be modest, further impacting multitasking capabilities.

Battery Life

Both the Lenovo K13 and Realme C11 (2021) support 10W wired charging. However, the Realme C11 (2021) adds the functionality of reverse wired charging, allowing it to act as a power bank for other devices. While 10W charging is slow by modern standards, it's adequate for topping up the battery overnight. Battery capacity is not specified, but is likely in the 4000-5000 mAh range, providing all-day battery life with moderate usage. The Realme's reverse charging feature provides a unique advantage, especially for users with multiple devices.

Buying Guide

Buy the Lenovo K13 if you prioritize a potentially lower price point and are solely focused on basic smartphone functionality – calls, texts, and light app usage. Buy the Realme C11 (2021) if you value the convenience of reverse wired charging, allowing you to top up accessories like wireless earbuds or another phone in a pinch, and don't mind potentially paying a small premium.

Frequently Asked Questions

❓ Will the Unisoc SC9863A handle popular games like PUBG Mobile or Call of Duty?
The Unisoc SC9863A is an entry-level chipset and will struggle with graphically demanding games like PUBG Mobile or Call of Duty. You may be able to run them at the lowest settings with significant frame rate drops, but the experience will likely be far from optimal. These phones are better suited for casual gaming and less intensive applications.
❓ How long does it take to fully charge the Lenovo K13 or Realme C11 (2021) with the 10W charger?
With the included 10W charger, expect a full charge to take approximately 3-4 hours. 10W charging is a relatively slow standard, so patience is required. However, it's sufficient for overnight charging, ensuring your phone is ready to go in the morning.
❓ What is the benefit of reverse wired charging on the Realme C11 (2021)?
Reverse wired charging allows you to use your Realme C11 (2021) as a power bank to charge other devices, such as wireless earbuds, smartwatches, or even another smartphone. While the charging speed is limited to 10W, it can be a lifesaver in situations where you don't have access to a power outlet.