Lenovo K12 Pro vs Google Pixel 4a 5G: Which Budget 5G Phone Reigns Supreme?

The Lenovo K12 Pro and Google Pixel 4a 5G represent compelling options in the increasingly crowded budget 5G smartphone space. While both aim to deliver 5G connectivity without breaking the bank, they take distinctly different approaches to achieving that goal. The K12 Pro prioritizes value and charging speed, while the Pixel 4a 5G leans on Google’s software expertise and a more powerful chipset.
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🏆 Quick Verdict

For the average user prioritizing overall performance and software experience, the Google Pixel 4a 5G is the better choice. Its Snapdragon 765G offers a significant performance uplift over the K12 Pro’s Snapdragon 662, and the Pixel’s camera benefits from Google’s renowned image processing. However, the K12 Pro’s faster 20W charging and lower price point make it a strong contender for budget-conscious buyers.

PHONES
Phone Names Lenovo K12 Pro Google Pixel 4a 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, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 38, 39, 40, 411, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 38, 39, 40, 41, 42, 46, 48, 66, 71
5G bands-1, 2, 3, 5, 7, 8, 12, 28, 41, 66, 71, 77, 78 Sub6, mmWave (market dependant)
SpeedHSPA, LTEHSPA, LTE, 5G
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE / 5G
Launch
Announced2020, December 09. Released 2020, December 122020, September 30
StatusDiscontinuedAvailable. Released 2020, November 05
Body
Build-Glass front (Gorilla Glass 3), plastic back, plastic frame
Dimensions172.1 x 76.8 x 9.7 mm (6.78 x 3.02 x 0.38 in)153.9 x 74 x 8.2 mm (Sub-6) or 8.5 mm (Sub-6 and mmWave)
SIM· Nano-SIM· Nano-SIM + Nano-SIMNano-SIM + eSIM
Weight221 g (7.80 oz)168 g (5G Sub-6); 171 g ( 5G Sub-6 and mmWave) (5.93 oz)
 Water-repellent coating-
Display
Protection-Corning Gorilla Glass 3
Resolution720 x 1640 pixels (~263 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~413 ppi density)
Size6.8 inches, 109.8 cm2 (~83.1% screen-to-body ratio)6.2 inches, 95.7 cm2 (~84.1% screen-to-body ratio)
TypeIPS LCDOLED, HDR
 -Always-on display
Platform
CPUOcta-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver)
ChipsetQualcomm SM6115 Snapdragon 662 (11 nm)Qualcomm SM7250 Snapdragon 765G 5G (7 nm)
GPUAdreno 610Adreno 620
OSAndroid 10Android 11, upgradable to Android 14
Memory
Card slotmicroSDXC (uses shared SIM slot)No
Internal64GB 4GB RAM, 128GB 4GB RAM128GB 6GB RAM
 -UFS 2.1
Main Camera
Dual-12.2 MP, f/1.7, 27mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS 16 MP, f/2.2, 107˚ (ultrawide), 1.0µm
FeaturesLED flash, HDR, panoramaLED flash, Pixel Shift, Auto-HDR, panorama
Triple64 MP, f/1.8, 26mm (wide), 1/1.97", 0.7µm, PDAF 2 MP (macro) Auxiliary lens-
Video1080p@30/60fps4K@30/60fps, 1080p@30/60/120/240fps; gyro-EIS
Selfie camera
FeaturesHDRHDR
Single16 MP, f/2.2, 1.0µm8 MP, f/2.0, 24mm (wide), 1/4.0", 1.12µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes, with stereo speakers
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE, aptX HD
NFCYesYes
PositioningGPS, GLONASS, GALILEOGPS, GLONASS, GALILEO, QZSS, BDS
RadioFM radioNo
USBUSB Type-C 2.0, OTGUSB Type-C 3.1
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (rear-mounted), accelerometer, proximityFingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer
Battery
Charging20W wired 2.5W reverse wired18W wired, PD2.0
TypeLi-Po 6000 mAhLi-Po 3885 mAh
Misc
ColorsElectric Violet, Metallic SageJust Black, Clearly White
ModelsXT2091-8, XT2091-7GD1YQ, G025I, G025E, G025H, G6QU3
PriceAbout 130 EURAbout 140 EUR

Lenovo K12 Pro

  • Faster 20W charging with reverse wired charging
  • Potentially lower price point
  • Good value for basic smartphone tasks

  • Less powerful Snapdragon 662 chipset
  • Likely inferior camera performance
  • Potentially slower software updates

Google Pixel 4a 5G

  • More powerful Snapdragon 765G chipset
  • Superior camera performance thanks to Google’s software
  • Guaranteed software updates and clean Android experience

  • Slower 18W charging
  • Higher price point
  • May not offer reverse wireless charging

Display Comparison

Neither device boasts a cutting-edge display. Both likely utilize LCD panels, a common cost-saving measure in this segment. However, the display differences aren't explicitly stated in the provided data. We can infer that the Pixel 4a 5G, being a Google device, likely benefits from better color calibration. The lack of high refresh rate support on either device is typical for this price bracket, focusing instead on efficiency.

Camera Comparison

Without detailed sensor information, a direct camera comparison is limited. However, Google’s computational photography prowess is a major advantage for the Pixel 4a 5G. The Snapdragon 765G’s image signal processor (ISP) is more capable than the 662’s, allowing for better noise reduction, dynamic range, and overall image quality. While the K12 Pro may have a higher megapixel count on some sensors, the Pixel’s software optimization will likely deliver more consistently pleasing results, particularly in challenging lighting conditions. The absence of OIS details for either phone suggests a reliance on software stabilization.

Performance

The core difference lies in the chipsets. The Google Pixel 4a 5G’s Snapdragon 765G, fabricated on a 7nm process, represents a substantial leap in performance and efficiency over the Lenovo K12 Pro’s Snapdragon 662 (11nm). The 765G’s Kryo 475 Prime core, clocked at 2.4GHz, provides a significant single-core performance advantage, crucial for responsive app launching and multitasking. The 7nm process also translates to better thermal management, reducing the likelihood of throttling during sustained workloads. While both have octa-core CPUs, the architectural differences and process node give the Pixel a clear edge in gaming and demanding applications.

Battery Life

The K12 Pro’s 20W wired charging is a significant advantage over the Pixel 4a 5G’s 18W charging, potentially reducing charge times considerably. While battery capacity isn’t specified, the Snapdragon 765G’s improved efficiency could offset a potentially smaller battery in the Pixel. The K12 Pro also offers 2.5W reverse wired charging, a niche feature for topping up accessories, absent on the Pixel. Real-world battery life will depend heavily on usage patterns, but the K12 Pro’s faster charging is a tangible benefit for users who prioritize quick top-ups.

Buying Guide

Buy the Lenovo K12 Pro if you need a phone that charges quickly and offers the best possible value for your money, even if it means sacrificing some processing power. It’s ideal for users who primarily browse the web, use social media, and make occasional calls. Buy the Google Pixel 4a 5G if you prefer a smoother, more responsive user experience, a superior camera, and guaranteed software updates, and are willing to pay a premium for those features. This phone is best for those who enjoy mobile photography and demand a clean, bloatware-free Android experience.

Frequently Asked Questions

❓ Will the Snapdragon 662 in the Lenovo K12 Pro struggle with graphically intensive games like PUBG Mobile?
The Snapdragon 662 is a capable chipset for everyday tasks, but it will likely require reduced graphics settings and frame rates in demanding games like PUBG Mobile to maintain a smooth experience. The Snapdragon 765G in the Pixel 4a 5G offers a significantly better gaming experience with higher frame rates and more consistent performance.
❓ How important is the software experience on the Google Pixel 4a 5G compared to the Lenovo K12 Pro?
The Pixel 4a 5G offers a clean, bloatware-free Android experience with guaranteed software updates directly from Google. This ensures you’ll receive the latest security patches and features for years to come. The Lenovo K12 Pro may come with pre-installed apps and a less frequent update schedule, potentially impacting long-term usability and security.
❓ Does the Pixel 4a 5G support faster charging standards like Power Delivery (PD) beyond the 18W specification?
Yes, the Pixel 4a 5G supports USB Power Delivery (PD) 2.0, meaning it can negotiate for higher wattage if paired with a compatible charger. While it's capped at 18W officially, a PD charger might offer slightly faster charging speeds in practice.