Lava Yuva 2 vs Lava Z4: A Deep Dive into Budget Smartphone Performance

Lava is aggressively targeting the entry-level smartphone market with the Yuva 2 and Z4. Both devices aim to deliver essential features at incredibly competitive prices. However, they diverge significantly in their core processing power, making the choice less straightforward than it appears. This comparison dissects the key differences to determine which phone offers the best value for your money.
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🏆 Quick Verdict

For the average user prioritizing consistent performance and a slightly more modern architecture, the Lava Yuva 2 emerges as the better choice. Its Unisoc T606 chipset, while not a powerhouse, offers a more balanced CPU configuration than the Z4’s Helio G35, resulting in smoother multitasking and app loading.

PHONES
Phone Names Lava Yuva 2 Lava Z4
Network
2G bandsGSM 900 / 1800GSM 900 / 1800
3G bandsHSDPA 900 / 2100HSDPA 900 / 2100
4G bands1, 3, 5, 8, 40, 411, 3, 5, 8, 40, 41
SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
Launch
Announced2023, August 022021, January 07
StatusAvailable. Released 2023, August 02Available. Released 2021, January 11
Body
BuildGlass front, plastic frame, plastic backGlass front, plastic back, plastic frame
Dimensions165 x 76.1 x 8.7 mm (6.50 x 3.00 x 0.34 in)164.5 x 75.8 x 9 mm (6.48 x 2.98 x 0.35 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight202 g (7.13 oz)190 g (6.70 oz)
Display
Protection-Corning Gorilla Glass 3
Resolution720 x 1600 pixels, 20:9 ratio (~270 ppi density)720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Size6.5 inches, 102.0 cm2 (~81.2% screen-to-body ratio)6.51 inches, 102.3 cm2 (~82.1% screen-to-body ratio)
TypeIPS LCD, 90HzIPS LCD
Platform
CPUOcta-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
ChipsetUnisoc T606 (12 nm)Mediatek MT6765G Helio G35 (12 nm)
GPUMali-G57 MP1PowerVR GE8320
OSAndroid 12Android 10
Memory
Card slotmicroSDXC (uses shared SIM slot)microSDXC (dedicated slot)
Internal64GB 3GB RAM64GB 4GB RAM
 -eMMC 5.1
Main Camera
Dual13 MP, (wide), AF VGA-
FeaturesLED flash, HDR, panoramaLED flash
Single-13 MP, f/2.0 AF
Triple-13 MP, f/1.9, (wide), 1/3.0", 1.12µm, AF 5 MP, (ultrawide) Auxiliary lens
Video1080p@30fps1080p@30fps
Selfie camera
Features-LED flash
Single5 MP16 MP, f/2.0, (wide), 1/3.06" 1.0µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack -Yes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
NFCNoNo
PositioningGPS, GALILEO, GLONASSGPS
RadioFM radioFM radio
USBUSB Type-C 2.0, OTGUSB Type-C
WLANWi-Fi 802.11 b/g/n/acWi-Fi 802.11 b/g/n, Wi-Fi Direct
Features
SensorsFingerprint (side-mounted), accelerometer, proximityFingerprint (rear-mounted), accelerometer, proximity
Battery
Charging10W wired-
Stand-by-Up to 270 h
Talk time-Up to 24 h (2G) / Up to 15 h 30 min (3G)
TypeLi-Po 5000 mAhLi-Po 5000 mAh
Misc
ColorsGlass Lavender, Glass Green, Glass BlueBlue, Red
Models-S7
PriceAbout 80 EURAbout 100 EUR
SAR-0.52 W/kg (head)     0.64 W/kg (body)    

Lava Yuva 2

  • More modern CPU architecture (Cortex-A75)
  • Potentially smoother multitasking
  • Likely better image processing

  • 10W charging is slow
  • Display specs are unknown

Lava Z4

  • Potentially longer battery life during light use
  • Lower price (likely)
  • Simple and straightforward operation

  • Older, less efficient CPU architecture (Cortex-A53)
  • May struggle with demanding apps
  • Potentially slower app loading times

Display Comparison

Neither Lava provides detailed display specifications beyond resolution. However, given the price point, both likely utilize IPS LCD panels. The real difference lies in the processing power driving the display. A smoother UI experience on the Yuva 2, thanks to the T606, will translate to more fluid animations and transitions, even if the panels themselves are similar in quality. Expect both to struggle in direct sunlight.

Camera Comparison

Both phones are expected to feature basic camera setups. Without detailed sensor information, it’s difficult to make a definitive judgment. However, the chipset’s image signal processor (ISP) plays a crucial role. The Unisoc T606 in the Yuva 2 likely has a more capable ISP than the Helio G35 in the Z4, potentially leading to better image processing, especially in low-light conditions. Expect both to struggle with dynamic range and detail in challenging lighting scenarios. The presence of a 2MP macro lens on either device is largely a marketing gimmick and should not be a deciding factor.

Performance

The core battleground is the chipset. The Lava Yuva 2’s Unisoc T606 features a 2x Cortex-A75 and 6x Cortex-A55 configuration, offering a more modern and efficient architecture than the Lava Z4’s MediaTek Helio G35. The G35 relies on 4x Cortex-A53 cores at a higher clock speed (2.3 GHz) alongside another 4x Cortex-A53 cores at 1.8 GHz. While the G35’s higher clock speed *appears* advantageous, the older A53 architecture is significantly less efficient per clock cycle. This means the Yuva 2 will likely handle multitasking and demanding apps more gracefully, despite the lower peak clock speeds. The T606’s architecture is better suited for sustained workloads.

Battery Life

Battery capacity isn’t specified, but both phones likely house batteries in the 4000-5000 mAh range, typical for this price segment. The Lava Z4, with its less power-hungry Helio G35, *could* potentially offer slightly longer battery life during very light usage. However, the Yuva 2’s more efficient chipset will minimize power drain during typical use. Both phones are limited to 10W charging, meaning a full charge will take a considerable amount of time – expect several hours from 0 to 100%.

Buying Guide

Buy the Lava Yuva 2 if you need a phone for everyday tasks like calling, messaging, social media, and light web browsing, and value a more responsive user experience. Buy the Lava Z4 if your primary concern is maximizing battery life during very basic usage, and you are willing to accept some performance compromises for potentially longer runtimes between charges. The Z4 is best suited for first-time smartphone users or those with extremely limited needs.

Frequently Asked Questions

❓ Will the Lava Yuva 2 handle popular games like PUBG Mobile or Call of Duty?
While the Unisoc T606 can run these games, expect to play at the lowest graphics settings and potentially with frame rate drops. The chipset isn't designed for intensive gaming, and sustained performance will likely be limited. The Lava Z4 will struggle even more with these titles.
❓ Is the 10W charging a significant drawback on both phones?
Yes, 10W charging is quite slow by modern standards. Expect a full charge to take 3-4 hours. This is a compromise made to keep the price low, and it's something to consider if you frequently need to top up your battery quickly.
❓ Which phone is better for someone who primarily uses WhatsApp and makes calls?
For basic communication, both phones are adequate. However, the Lava Yuva 2’s smoother performance will make the overall experience more pleasant, even for simple tasks like opening apps and scrolling through contacts.
❓ Does either phone support VoLTE or VoWiFi?
Given the target market, both phones likely support VoLTE (Voice over LTE) for improved call quality. VoWiFi (Voice over Wi-Fi) support is less certain and would depend on carrier compatibility. Check with your mobile provider for specific details.