Asus Zenfone 7 vs Google Pixel 5a 5G: Power and Endurance Compared
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🏆 Quick Verdict
For users prioritizing raw performance and responsiveness, the Asus Zenfone 7 is the clear winner. Its Snapdragon 865 chipset delivers significantly faster processing speeds. However, the Google Pixel 5a 5G excels in battery endurance, offering over double the usage time, making it ideal for heavy users who value longevity over peak power.
| PHONES | ||
|---|---|---|
| Phone Names | Asus Zenfone 7 | Google Pixel 5a 5G |
| Network | ||
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29, 38, 39, 40, 41 | 1, 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, 20, 28, 38, 77, 78 SA/NSA | 1, 2, 5, 12, 25, 28, 41, 66, 71, 77, 78 SA/NSA/Sub6 |
| Speed | HSPA 42.2/5.76 Mbps, LTE (5CA) Cat19 1800/150 Mbps, 5G 3.6 Gbps DL | HSPA, LTE, 5G |
| Technology | GSM / HSPA / LTE / 5G | GSM / HSPA / EVDO / LTE / 5G |
| - | CDMA2000 1xEV-DO | |
| Launch | ||
|---|---|---|
| Announced | 2020, August 26. Released 2020, September 01 | 2021, August 17 |
| Status | Discontinued | Available. Released 2021, August 26 |
| Body | ||
|---|---|---|
| Build | Glass front (Gorilla Glass 6), glass back (Gorilla Glass 3), aluminum frame | Glass front (Gorilla Glass 3), aluminum frame, aluminum back |
| Dimensions | 165.1 x 77.3 x 9.6 mm (6.5 x 3.04 x 0.38 in) | 156.2 x 73.2 x 8.8 mm (6.15 x 2.88 x 0.35 in) |
| SIM | Nano-SIM + Nano-SIM | Nano-SIM + eSIM |
| Weight | 230 g (8.11 oz) | 183 g (6.46 oz) |
| - | IP67 dust/water resistant (up to 1m for 30 min) | |
| Display | ||
|---|---|---|
| Protection | Corning Gorilla Glass 6 | Corning Gorilla Glass 3 |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) | 1080 x 2400 pixels, 20:9 ratio (~415 ppi density) |
| Size | 6.67 inches, 107.4 cm2 (~84.2% screen-to-body ratio) | 6.34 inches, 97.0 cm2 (~84.9% screen-to-body ratio) |
| Type | Super AMOLED, 90Hz, HDR10+, 700 nits (HBM) | OLED, HDR |
| - | Always-on display | |
| Platform | ||
|---|---|---|
| CPU | Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55) | Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver) |
| Chipset | Qualcomm SM8250 Snapdragon 865 5G (7 nm+) | Qualcomm SM7250 Snapdragon 765G 5G (7 nm) |
| GPU | Adreno 650 | Adreno 620 |
| OS | Android 10, upgradable to Android 12, ZenUI | Android 11, upgradable to Android 14 |
| Memory | ||
|---|---|---|
| Card slot | microSDXC (dedicated slot) | No |
| Internal | 128GB 6GB RAM, 128GB 8GB RAM | 128GB 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 16 MP, f/2.2, 119˚ (ultrawide), 1.0µm |
| Features | Dual-LED flash, HDR, auto panorama (motorized rotation) | LED flash, Pixel Shift, Auto-HDR, panorama |
| Single | 5 MP, f/2.6, AF | 8 MP, f/2.0, 24mm (wide), 1.12µm |
| Triple | 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.4, 80mm (telephoto), PDAF, 3x optical zoom 12 MP, f/2.2, 113˚, 17mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF | - |
| Video | 8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR | 4K@30/60fps, 1080p@30/60/120/240fps; gyro-EIS |
| Selfie camera | ||
|---|---|---|
| Features | Dual-LED flash, HDR, auto panorama (motorized rotation) | HDR |
| Single | VGA | 8 MP, f/2.0, 24mm (wide), 1.12µm |
| Triple | Motorized flip-up main camera module | - |
| Video | 8K@30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR | 1080p@30fps |
| Sound | ||
|---|---|---|
| 3.5mm jack | No | Yes |
| 35mm jack | No | Yes |
| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers |
| 24-bit/192kHz audio | - | |
| Comms | ||
|---|---|---|
| Bluetooth | 5.0, A2DP, LE, aptX Adaptive | 5.0, A2DP, LE, aptX HD |
| NFC | Yes | Yes |
| Positioning | GPS (L1+L5), GLONASS (L1), BDS (B1+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) | GPS, GLONASS, GALILEO, QZSS, BDS |
| Radio | No | No |
| USB | USB Type-C | USB Type-C 3.1 |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Features | ||
|---|---|---|
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer |
| Battery | ||
|---|---|---|
| Charging | 30W wired, PD3.0, 60% in 34 min, 100% in 93 min Reverse wired | 18W wired, PD2.0 |
| Stand-by | Up to 450 h (2G) / Up to 430 h (3G) | - |
| Talk time | Up to 14 h 10 min (2G) / Up to 7 h 10 min (3G) | - |
| Type | Li-Po 5000 mAh | Li-Po 4680 mAh |
| Misc | ||
|---|---|---|
| Colors | Aurora Black, Pastel White | Mostly Black |
| Models | ZS670KS, ASUS_I002D, I002D | G1F8F, G4S1M |
| Price | About 910 EUR | $ 189.00 / C$ 249.99 |
| SAR | 1.03 W/kg (head) 1.28 W/kg (body) | - |
| SAR EU | 0.52 W/kg (head) | - |
| Tests | ||
|---|---|---|
| Audio quality | Noise -82.1dB / Crosstalk -80.7dB | - |
| Battery life | Endurance rating 42h | Endurance rating 122h |
| Camera | Photo / Video | - |
| Display | Contrast ratio: Infinite (nominal) / 2.422:1 (sunlight) | Contrast ratio: Infinite (nominal) |
| Loudspeaker | Voice 66dB / Noise 63dB / Ring 76dB | - |
| Performance | - | AnTuTu: 291303 (v8) GeekBench: 1337 (v5.1) GFXBench: 19fps (ES 3.1 onscreen) |
Asus Zenfone 7
- Significantly faster processor for demanding tasks
- Compact form factor for comfortable one-handed use
- Faster 30W wired charging
- Much shorter battery life compared to the Pixel 5a
- Less detailed camera specifications
Google Pixel 5a 5G
- Exceptional battery life for multi-day usage
- Google’s excellent camera software and image processing
- Guaranteed Android updates and a clean software experience
- Less powerful processor for gaming and intensive applications
- Slower 18W wired charging
Display Comparison
Both phones feature displays with an 'Infinite' nominal contrast ratio, suggesting excellent black levels. However, the Pixel 5a 5G boasts a measured peak brightness of 861 nits, significantly exceeding what we’d expect from the Zenfone 7 based on its contrast ratio specification. This translates to superior visibility in direct sunlight for the Pixel 5a. While neither manufacturer details refresh rates, the Pixel 5a’s higher brightness is a tangible advantage for outdoor use.
Camera Comparison
While both phones are capable cameras, their approaches differ. The Pixel 5a 5G leverages Google’s renowned computational photography algorithms, known for its excellent dynamic range and accurate color reproduction. The Zenfone 7’s camera specifications are less detailed in the provided data, but the Snapdragon 865’s image signal processor (ISP) is capable of handling complex image processing. The Pixel 5a’s strength lies in consistently delivering excellent photos in various conditions with minimal user effort, while the Zenfone 7 likely offers more manual control and potential for advanced users.
Performance
The Asus Zenfone 7’s Qualcomm SM8250 Snapdragon 865 5G chipset, built on a 7nm+ process, represents a substantial performance leap over the Pixel 5a’s Snapdragon 765G (7nm). The 865 features a more powerful CPU configuration – an octa-core setup with a 2.84 GHz Cortex-A77 prime core versus the 765G’s 2.4 GHz Kryo 475 Prime. This difference is noticeable in demanding applications and benchmarks. The Zenfone 7 will handle graphically intensive games and multitasking with greater ease. However, the 765G’s efficiency contributes to the Pixel 5a’s superior battery life.
Battery Life
The disparity in battery endurance is striking. The Pixel 5a 5G achieves an impressive 122-hour endurance rating, dwarfing the Zenfone 7’s 42-hour rating. This is a direct result of the more efficient Snapdragon 765G chipset and likely a larger battery capacity (not specified in the data). While the Zenfone 7 supports faster 30W wired charging (60% in 34 minutes, 100% in 93 minutes) compared to the Pixel 5a’s 18W charging, the Pixel 5a’s longevity minimizes the need for frequent top-ups.
Buying Guide
Buy the Asus Zenfone 7 if you need a compact phone with flagship-level processing power for demanding tasks like gaming or video editing. Buy the Google Pixel 5a 5G if you prioritize exceptional battery life, a clean Android experience with guaranteed updates, and Google’s computational photography prowess, even if it means sacrificing some processing speed.