Asus ROG Phone 8 Pro vs. vivo V40: A Deep Dive into Gaming and Battery Life

The Asus ROG Phone 8 Pro and the vivo V40 represent distinct approaches to the modern smartphone. The ROG Phone 8 Pro is a no-compromise gaming powerhouse, while the vivo V40 prioritizes all-day battery life and a more balanced user experience. This comparison dissects their core differences to help you choose the right device for your needs.
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🏆 Quick Verdict

For the average user prioritizing longevity and everyday usability, the vivo V40 emerges as the winner. Its 15:06h active use battery score and efficient Snapdragon 7 Gen 3 chipset offer a compelling package. However, gamers and power users will find the ROG Phone 8 Pro’s Snapdragon 8 Gen 3 and superior display worth the trade-offs.

PHONES
Phone Names vivo V40 Asus ROG Phone 8 Pro
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - InternationalHSDPA 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 - International
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 66 - International1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 43, 48, 66 - International
5G bands1, 2, 3, 5, 7, 8, 20, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA - International1, 2, 3, 5, 7, 8, 12, 18, 20, 25, 26, 28, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA/Sub6 - International
SpeedHSPA, LTE, 5GHSPA, LTE (Up to 7CA), 5G
TechnologyGSM / HSPA / LTE / 5GGSM / CDMA / HSPA / LTE / 5G
Launch
Announced2024, June 172024, January 08
StatusAvailable. Released 2024, July 03Available. Released 2024, January 18
Body
BuildGlass front, plastic frame, glass backGlass front (Gorilla Glass Victus 2), glass back (Gorilla Glass), aluminum frame
Dimensions164.2 x 75 x 7.6 mm (6.46 x 2.95 x 0.30 in)163.8 x 76.8 x 8.9 mm (6.45 x 3.02 x 0.35 in)
SIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)· Nano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight190 g (6.70 oz)225 g (7.94 oz)
Display
ProtectionSchott Xensation AlphaCorning Gorilla Glass Victus 2
Resolution1260 x 2800 pixels, 20:9 ratio (~453 ppi density)1080 x 2400 pixels, 20:9 ratio (~388 ppi density)
Size6.78 inches, 111.0 cm2 (~90.1% screen-to-body ratio)6.78 inches, 111.0 cm2 (~88.2% screen-to-body ratio)
TypeAMOLED, HDR10+, 120Hz, 2160Hz PWM, 4500 nits (peak)LTPO AMOLED, 1B colors, 165Hz, HDR10, 1600 nits (HBM), 2500 nits (peak)
Platform
CPUOcta-core (1x2.63 GHz Cortex-A715 & 3x2.4 GHz Cortex-A715 & 4x1.8 GHz Cortex-A510)Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
ChipsetQualcomm SM7550-AB Snapdragon 7 Gen 3 (4 nm)Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
GPUAdreno 720Adreno 750
OSAndroid 14, Funtouch 14Android 14, up to 2 major Android upgrades
Memory
Card slotNoNo
Internal128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM512GB 16GB RAM, 1TB 24GB RAM
Main Camera
Dual50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, PDAF, OIS 50 MP, f/2.0, 15mm, 119˚ (ultrawide), 1/2.76", 0.64µm, AF-
FeaturesZeiss optics, Ring-LED flash, panorama, HDRLED flash, HDR, panorama
Triple-50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, PDAF, gimbal OIS 32 MP, f/2.4, (telephoto), 1/3.2", 0.7µm, PDAF, OIS, 3x optical zoom 13 MP, f/2.2, 13mm, 120˚ (ultrawide)
Video4K@30fps, 1080p@30fps, gyro-EIS, OIS8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, 720p@480fps; gyro-EIS, HDR10+
Selfie camera
FeaturesHDRPanorama, HDR
Single50 MP, f/2.0, 21mm (wide), 1/2.76", 0.64µm, AF32 MP, f/2.5, 22mm (wide), 1/3.2", 0.7µm
Video4K@30fps, 1080p@30fps1080p@30fps
Sound
35mm jackNoYes
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.4, A2DP, LE5.4, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless
NFCYes (market/region dependent)Yes
PositioningGPS, GALILEO, GLONASS, QZSS, BDS, NavICGPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C (side), DisplayPort 1.4; USB Type-C (bottom), OTG
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-bandWi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging80W wired, PD Reverse wired65W wired, PD3.0, PPS, QC5, 100% in 39 min - International 30W wired, PD3.0, PPS - India 15W wireless (Qi) 10W reverse wired
TypeSi/C Li-Ion 5500 mAh5500 mAh
Misc
ColorsStellar Silver (Titanium Grey), Nebula Purple (Lotus Purple), Ganges Blue, Moonlight White, Sunglow PeachPhantom Black
ModelsV2348AI2401, AI2401_A, AI2401_D
Price₹ 36,999$ 1,157.98 / £ 1,693.75 / € 632.66
SAR0.97 W/kg (head)     0.90 W/kg (body)-
SAR EU0.97 W/kg (head)     1.14 W/kg (body)-

vivo V40

  • Exceptional battery life (15:06h active use)
  • Fast 80W wired charging
  • Efficient Snapdragon 7 Gen 3 chipset

  • Less powerful processor compared to the ROG Phone 8 Pro
  • Lower peak display brightness

Asus ROG Phone 8 Pro

  • Flagship Snapdragon 8 Gen 3 performance
  • Significantly brighter display (1765 nits)
  • Versatile charging options (wired, wireless, reverse)

  • Shorter battery life (14:43h active use)
  • Potentially higher price point

Display Comparison

The Asus ROG Phone 8 Pro boasts a significantly brighter display, reaching a measured 1765 nits, compared to the vivo V40’s 1353 nits. This translates to superior visibility in direct sunlight. While both utilize a 4nm chipset, the ROG Phone’s display is likely to benefit from a higher refresh rate (not specified in the data, but standard for ROG phones) and potentially LTPO technology for adaptive refresh rates, conserving battery. The V40’s display, while still bright, is geared towards efficiency rather than outright visual dominance.

Camera Comparison

The provided data lacks specific camera details for both devices. However, given the ROG Phone 8 Pro’s positioning, it likely features a more advanced camera system with larger sensors and more sophisticated image processing. The vivo V40, while potentially offering a good camera experience, will likely focus on computational photography to enhance image quality. Without sensor size or aperture information, a definitive comparison is impossible, but the ROG Phone’s brand history suggests a greater emphasis on camera capabilities.

Performance

The core difference lies in the chipsets: the ROG Phone 8 Pro’s Snapdragon 8 Gen 3 (Octa-core, up to 3.3 GHz) is a flagship processor designed for demanding tasks, including high-end gaming. The vivo V40’s Snapdragon 7 Gen 3 (Octa-core, up to 2.63 GHz) is a capable mid-range chip, offering excellent performance for everyday use and moderate gaming. The ROG Phone’s CPU architecture – featuring a Cortex-X4 prime core – provides a substantial performance advantage. While both are built on a 4nm process, the 8 Gen 3’s larger cache and more powerful GPU will deliver a smoother experience in graphically intensive applications.

Battery Life

The vivo V40’s 15:06h active use score demonstrates its exceptional battery efficiency, slightly outperforming the ROG Phone 8 Pro’s 14:43h. However, the ROG Phone compensates with significantly faster charging: 65W wired (international) or 30W (India) versus the V40’s 80W. The ROG Phone also offers 15W wireless charging and 10W reverse wireless charging, features absent in the V40’s specifications. The V40’s 80W charging, while fast, may not fully offset the ROG Phone’s charging versatility and the potential for quicker top-ups during short breaks.

Buying Guide

Buy the vivo V40 if you need a phone that reliably lasts a full day and beyond, with a focus on media consumption and everyday tasks. It’s ideal for users who value battery life above all else. Buy the Asus ROG Phone 8 Pro if you prioritize peak gaming performance, a brighter and more responsive display, and are willing to manage a slightly shorter battery life with faster charging capabilities.

Frequently Asked Questions

❓ Does the Snapdragon 7 Gen 3 in the vivo V40 struggle with demanding games like Genshin Impact?
While not as powerful as the Snapdragon 8 Gen 3, the Snapdragon 7 Gen 3 is capable of running Genshin Impact at medium to high settings with acceptable frame rates. Expect some graphical compromises and potential for frame drops during intense combat scenarios. It's well-suited for most mobile games, but hardcore gamers will benefit from the ROG Phone 8 Pro's superior processing power.
❓ The ROG Phone 8 Pro has different charging speeds depending on the region (65W vs 30W). Which one applies to me?
The 65W charging is available on international models of the ROG Phone 8 Pro, while the 30W charging is specific to the Indian market. Check the product specifications or packaging of your device to confirm the supported charging speed. The 65W version will significantly reduce charging times compared to the 30W variant.
❓ How does the thermal management of the Snapdragon 7 Gen 3 in the vivo V40 compare to the Snapdragon 8 Gen 3 in the ROG Phone 8 Pro?
The Snapdragon 7 Gen 3 generally runs cooler than the Snapdragon 8 Gen 3 due to its lower power consumption. This means the vivo V40 is less likely to experience significant thermal throttling during prolonged gaming sessions. The ROG Phone 8 Pro, while equipped with advanced cooling systems, may still exhibit some throttling under heavy load, but its superior performance will likely outweigh this concern for demanding users.