OnePlus Ace 3 vs OnePlus 12R: A Deep Dive into the Snapdragon 8 Gen 2 Twins

OnePlus has strategically positioned the Ace 3 and 12R with identical Snapdragon 8 Gen 2 chipsets, creating a compelling choice for performance-minded buyers. However, subtle differences in battery performance, charging speeds, and potentially display characteristics separate these devices. This comparison dissects those nuances to determine which phone delivers the best overall experience.
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🏆 Quick Verdict

For most users, the OnePlus 12R emerges as the slightly better value. Its impressive 14:32-hour active use battery life, combined with nearly identical performance to the Ace 3, makes it a more practical daily driver. The Ace 3’s slightly faster charging is a minor advantage.

PHONES
Phone Names OnePlus Ace 3 OnePlus 12R
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 3, 4, 5, 8, 18, 19, 26, 28, 34, 38, 39, 40, 411, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32, 38, 39, 40, 41, 66
5G bands1, 3, 5, 8, 28, 41, 77, 78 SA/NSA1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / LTE / 5GGSM / CDMA / HSPA / LTE / 5G
Launch
Announced2024, January 042024, January 23
StatusAvailable. Released 2024, January 15Available. Released 2024, February 06
Body
BuildGlass front (Gorilla Glass Victus 2), glass back, aluminum frameGlass front (Gorilla Glass Victus 2), aluminum frame, glass back
Dimensions163.3 x 75.3 x 8.8 mm (6.43 x 2.96 x 0.35 in)163.3 x 75.3 x 8.8 mm (6.43 x 2.96 x 0.35 in)
SIMNano-SIM + Nano-SIM· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)· Nano-SIM + Nano-SIM
Weight207 g (7.30 oz)207 g (7.30 oz)
Display
ProtectionCorning Gorilla Glass Victus 2Corning Gorilla Glass Victus 2
Resolution1264 x 2780 pixels (~450 ppi density)1264 x 2780 pixels (~450 ppi density)
Size6.78 inches, 111.7 cm2 (~90.9% screen-to-body ratio)6.78 inches, 111.7 cm2 (~90.9% screen-to-body ratio)
TypeLTPO AMOLED, 1B colors, 120Hz, HDR10+, Dolby Vision, 1600 nits (HBM), 4500 nits (peak)LTPO4 AMOLED, 1B colors, 120Hz, HDR10+, Dolby Vision, 1600 nits (HBM), 4500 nits (peak)
Platform
CPUOcta-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)Octa-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)
ChipsetQualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm)Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm)
GPUAdreno 740Adreno 740
OSAndroid 14, ColorOS 14Android 14, up to 3 major Android upgrades, OxygenOS 15
Memory
Card slotNoNo
Internal256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 256GB 16GB RAM
Main Camera
FeaturesColor spectrum sensor, LED flash, HDR, panoramaLaser AF, color spectrum sensor, LED flash, HDR, panorama
Triple50 MP, f/1.8, 24mm (wide), 1/1.56", 1.0µm, PDAF, OIS 8 MP, f/2.2, 16mm, 112˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro)50 MP, f/1.8, 24mm (wide), 1/1.56", 1.0µm, multi-directional PDAF, OIS 8 MP, f/2.2, 16mm, 112˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro)
Video4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, OIS4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, OIS
Selfie camera
FeaturesHDRHDR, panorama
Single16 MP, f/2.4, 26mm (wide), 1/3", 1.0µm16 MP, f/2.4, 26mm (wide), 1/3", 1.0µm
Video1080p@30fps1080p@30fps, gyro-EIS
Sound
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.3, A2DP, LE, aptX HD5.3, A2DP, LE, aptX HD
Infrared portYesYes
NFCYesYes
PositioningGPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5)GPS, GALILEO, GLONASS, BDS, QZSS
RadioNoNo
USBUSB Type-C 2.0USB Type-C 2.0
WLANWi-Fi 802.11 a/b/g/n/ac/6/7, dual-bandWi-Fi 802.11 a/b/g/n/ac/6/7, dual-band
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging100W wired, 100% in 27 min100W wired, 100% in 26 min
Type5500 mAhLi-Ion 5500 mAh
Misc
ColorsBlack, Blue, Rose GoldIron Gray, Cool Blue, Electric Violet, Sunset Dune
ModelsPJE110CPH2609, CPH2585, CPH2611
PriceAbout 340 EUR€ 410.84 / $ 399.95 / £ 649.00
SAR-1.19 W/kg (head)     0.82 W/kg (body)

OnePlus Ace 3

  • Potentially slightly faster charging (27 mins vs 26 mins)
  • Flagship branding may appeal to some users
  • Likely optimized software experience (regional variations may apply)

  • Battery life not specified, potentially lower than 12R
  • Limited information on display specifications

OnePlus 12R

  • Excellent 14:32-hour active use battery life
  • 1181 nits peak brightness for great outdoor visibility
  • Fast 100W charging (26 mins)

  • May lack some of the premium features of the Ace 3
  • Software experience may be less refined (regional variations may apply)

Display Comparison

The OnePlus 12R boasts a measured peak brightness of 1181 nits, a significant figure indicating excellent outdoor visibility. While the Ace 3’s display specifications aren’t provided, it’s reasonable to expect similar performance given its flagship positioning. Both phones likely utilize AMOLED panels for vibrant colors and deep blacks. The absence of LTPO information for either device suggests they may not feature adaptive refresh rates for optimal power efficiency, relying instead on fixed refresh rate options. Bezels are expected to be minimal on both, aligning with current design trends.

Camera Comparison

Camera details are limited, but the focus should be on the main sensor capabilities. Without specific sensor size or aperture information, it’s difficult to definitively declare a winner. The absence of details regarding OIS (Optical Image Stabilization) is a key omission; its presence would significantly improve low-light photography and video stabilization. Any 2MP macro or depth sensors are likely to be of limited utility and shouldn’t heavily influence purchasing decisions. Image processing algorithms will play a crucial role in differentiating the final image quality.

Performance

Both the OnePlus Ace 3 and 12R are powered by the Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4nm), featuring an octa-core CPU configuration: 1x3.2 GHz Cortex-X3, 2x2.8 GHz Cortex-A715, 2x2.8 GHz Cortex-A710, and 3x2.0 GHz Cortex-A510. This means CPU performance will be virtually indistinguishable between the two. The 4nm process node ensures excellent thermal efficiency, minimizing throttling during sustained workloads like gaming. RAM specifications are not provided, but both are expected to utilize LPDDR5x for fast memory access. Performance differences will likely stem from thermal management solutions and software optimization, rather than raw processing power.

Battery Life

The OnePlus 12R shines with a reported 14:32 hours of active use, demonstrating impressive battery endurance. The Ace 3’s battery capacity is not specified, but its 100W wired charging (100% in 27 minutes) is slightly slower than the 12R’s 100W charging (100% in 26 minutes). While the difference is minimal, the 12R’s longer battery life provides a more comfortable experience for users who don’t want to constantly reach for a charger. The 100W charging on both devices is exceptionally fast, offering a significant top-up in just a few minutes.

Buying Guide

Buy the OnePlus Ace 3 if you prioritize the absolute fastest charging speeds and potentially a more refined software experience (depending on regional variations). Buy the OnePlus 12R if you value extended battery life for all-day use and a more competitive price point without sacrificing flagship-level performance. Both are excellent choices for gamers and power users.

Frequently Asked Questions

❓ Does the Snapdragon 8 Gen 2 in either phone exhibit significant thermal throttling during extended gaming sessions?
The Snapdragon 8 Gen 2’s 4nm process is inherently efficient, minimizing throttling. However, sustained gaming will inevitably generate heat. The effectiveness of each phone’s cooling system (vapor chamber size, heat dissipation materials) will determine the extent of throttling. Independent thermal testing is needed for a definitive answer, but both should provide a reasonably good gaming experience.
❓ Is the 100W charging on both phones compatible with Power Delivery (PD) chargers?
While both phones support 100W charging, they utilize OnePlus’s proprietary SuperVOOC charging protocol. To achieve the full 100W charging speed, you’ll need to use the included charger. Standard USB Power Delivery (PD) chargers will still work, but at a slower charging rate.
❓ How does the software experience differ between the Ace 3 and 12R, particularly regarding OxygenOS features and update frequency?
Software experiences can vary by region. Generally, the Ace 3, often marketed internationally, may receive quicker updates and more exclusive OxygenOS features. The 12R, sometimes positioned as a more value-focused option, might have a slightly delayed update schedule. Check regional forums for user reports on specific software differences.