Energizer Ultimate U652S vs. Google Pixel 6a: A Deep Dive into Value and Performance

The smartphone landscape is filled with choices, but few comparisons are as stark as the Energizer Ultimate U652S and the Google Pixel 6a. One represents a bare-bones, budget-focused approach, while the other packs Google’s custom Tensor chip and advanced software features into a mid-range package. This comparison dissects the core differences to help you determine which phone best suits your needs and budget.
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🏆 Quick Verdict

For the average user prioritizing a smooth, intelligent experience and excellent camera capabilities, the Google Pixel 6a is the clear winner. Its Google Tensor chipset delivers significantly superior performance and software support. However, the Energizer U652S offers a functional smartphone experience at a dramatically lower price point.

PHONES
Phone Names Energizer Ultimate U652S Google Pixel 6a
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 661, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 42, 48, 66, 71 - GX7AS, GB62Z (USA/Canada)
5G bands-1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA/Sub6 - GX7AS (USA/Canada)
SpeedHSPA, LTEHSPA, LTE, 5G
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE / 5G
 -1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 40, 48, 66, 71, 77, 78 SA/NSA/Sub6 - G1AZG (International)
Launch
Announced2024, February2022, May 11
StatusAvailable. Released 2024, JulyAvailable. Released 2022, July 21
Body
Build-Glass front (Gorilla Glass 3), aluminum frame, plastic back
Dimensions164.3 x 76.1 x 9.1 mm (6.47 x 3.00 x 0.36 in)152.2 x 71.8 x 8.9 mm (5.99 x 2.83 x 0.35 in)
SIMNano-SIM + Nano-SIMNano-SIM + eSIM
Weight190 g (6.70 oz)178 g (6.28 oz)
 -IP67 dust/water resistant (up to 1m for 30 min)
Display
Protection-Corning Gorilla Glass 3
Resolution720 x 1600 pixels, 20:9 ratio (~270 ppi density)1080 x 2400 pixels, 20:9 ratio (~429 ppi density)
Size6.51 inches, 102.3 cm2 (~81.8% screen-to-body ratio)6.1 inches, 90.7 cm2 (~83.0% screen-to-body ratio)
TypeIPS LCDOLED, HDR
 -Always-on display
Platform
CPUQuad-core 1.5 GHzOcta-core (2x2.80 GHz Cortex-X1 & 2x2.25 GHz Cortex-A76 & 4x1.80 GHz Cortex-A55)
ChipsetMediatek MT6739WW (28 nm)Google Tensor (5 nm)
GPUIMG 8XE1PPCMali-G78 MP20
OSAndroid 13 (Go edition)Android 12, upgradable to Android 15, up to 5 major Android upgrades
Memory
Card slotmicroSDXCNo
Internal64GB 2GB RAM128GB 6GB RAM
 -UFS 3.1
Main Camera
Dual-12.2 MP, f/1.7, 27mm, (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS 12 MP, f/2.2, 17mm, 114˚ (ultrawide), 1.25µm
FeaturesLED flashDual-LED flash, Pixel Shift, Auto-HDR, panorama
Single-8 MP, f/2.0, 24mm (wide), 1.12µm
Triple18 MP (wide), AF Auxiliary lenses-
Video1080p@30fps4K@30/60fps, 1080p@30/60/120/240fps; gyro-EIS, OIS
Selfie camera
Features-HDR, panorama
Single13 MP, (wide)8 MP, f/2.0, 24mm (wide), 1.12µm
VideoYes1080p@30fps
Sound
3.5mm jack -No
35mm jackYesNo
Loudspeaker YesYes, with stereo speakers
Comms
Bluetooth4.2, A2DP5.2, A2DP, LE
NFCNoYes
PositioningGPSGPS, GLONASS, GALILEO, QZSS
RadioFM radioNo
USBUSB Type-C 2.0USB Type-C 3.1
WLANWi-Fi 802.11 a/b/g/nWi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (side-mounted), accelerometer, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass, barometer
Battery
Charging-18W wired, PD3.0
TypeLi-Ion 4000 mAhLi-Po 4410 mAh
Misc
ColorsBlackChalk, Charcoal, Sage
Models-GX7AS, GB62Z, G1AZG, GB17L
PriceAbout 70 EUR$ 138.99 / C$ 228.74 / ₹ 23,999
Tests
Battery life- Endurance rating 94h
Display- Contrast ratio: Infinite (nominal)

Energizer Ultimate U652S

  • Significantly lower price point
  • Functional for basic smartphone tasks
  • Potentially longer battery life due to less demanding hardware

  • Outdated processor and architecture
  • Poor performance for demanding apps and games
  • Inferior camera quality

Google Pixel 6a

  • Powerful Google Tensor chipset
  • Excellent camera with advanced features
  • Guaranteed software updates and support

  • Higher price point
  • May experience some thermal throttling under heavy load
  • Charging speed is not class-leading

Display Comparison

The Pixel 6a boasts a significantly brighter display, reaching a measured 876 nits, compared to an unspecified brightness for the Energizer U652S. This translates to far better visibility outdoors. While both phones offer an 'infinite' (nominal) contrast ratio, the Pixel 6a’s display technology is likely superior, contributing to a more vibrant and engaging viewing experience. The U652S, being a budget device, likely utilizes a simpler LCD panel, while the Pixel 6a likely uses OLED. Bezels are also expected to be slimmer on the Pixel 6a, offering a more modern aesthetic.

Camera Comparison

The Pixel 6a’s camera system is a major advantage. While specific sensor details for the U652S are unavailable, it’s safe to assume it utilizes a lower-resolution sensor and lacks the advanced image processing capabilities of the Pixel 6a. Google’s computational photography, powered by the Tensor chip, delivers exceptional image quality, particularly in low-light conditions. The Pixel 6a’s image processing excels in dynamic range and detail preservation. The U652S likely relies on basic image processing, resulting in less refined photos. Ignoring the likely inclusion of a low-resolution macro lens on the U652S, the Pixel 6a’s overall camera experience is far superior.

Performance

The performance gap between these two devices is substantial. The Google Pixel 6a’s Google Tensor chipset, built on a 5nm process, features an octa-core CPU with high-performance Cortex-X1 cores, designed for demanding tasks. In contrast, the Energizer U652S relies on the Mediatek MT6739WW, a quad-core processor fabricated on a 28nm node. This older architecture and larger process node result in significantly lower processing power and efficiency. The Tensor chip’s advanced AI capabilities also enable features like Magic Eraser and Real Tone, unavailable on the U652S. The Pixel 6a’s likely use of faster LPDDR5 RAM further enhances responsiveness.

Battery Life

Both devices share an endurance rating of 94 hours, suggesting comparable battery life under similar usage scenarios. However, the Pixel 6a’s 18W wired charging with PD3.0 support offers faster and more efficient charging compared to the U652S, which likely has a slower, less efficient charging system. While the U652S might have a slightly larger battery capacity to compensate for its less efficient processor, the Pixel 6a’s optimized power management and faster charging provide a more convenient user experience.

Buying Guide

Buy the Energizer Ultimate U652S if you need a basic, functional smartphone for essential tasks like calls, texts, and light web browsing, and your budget is extremely limited. You're willing to sacrifice performance and features for affordability. Buy the Google Pixel 6a if you prioritize a responsive user experience, a capable camera system, and guaranteed software updates, and are willing to spend more for a premium mid-range experience.

Frequently Asked Questions

❓ Is the Mediatek MT6739WW in the Energizer U652S sufficient for everyday tasks like social media and web browsing?
Yes, the MT6739WW can handle basic tasks like social media, web browsing, and calls. However, expect noticeable lag and slowdowns when multitasking or running more demanding applications. It's not suitable for gaming or resource-intensive apps.
❓ How does the Google Tensor chip in the Pixel 6a handle sustained performance during gaming?
The Google Tensor chip provides a smooth gaming experience for most titles. However, due to its thermal limitations, the Pixel 6a may experience some throttling during extended gaming sessions, leading to a slight drop in frame rates. It's still significantly more capable than the Energizer U652S for gaming.
❓ What kind of software updates can I expect on the Energizer Ultimate U652S?
The Energizer Ultimate U652S is unlikely to receive frequent or long-term software updates. Budget devices often have limited software support, meaning you may miss out on new features and security patches over time. The Pixel 6a, on the other hand, is guaranteed several years of Android updates and security patches directly from Google.
❓ Does the Pixel 6a support 5G connectivity?
Yes, the Google Pixel 6a supports 5G connectivity, allowing for faster download and streaming speeds where available. The Energizer Ultimate U652S is likely limited to 4G LTE, offering slower data speeds.