Oppo K12x vs Xiaomi Civi 4 Pro: A Deep Dive into Mid-Range Performance

The Oppo K12x and Xiaomi Civi 4 Pro represent distinct approaches to the mid-range smartphone market. The K12x focuses on delivering a solid experience at an accessible price point, while the Civi 4 Pro aims for a more premium feel with a significantly more powerful processor. This comparison dissects their key differences to determine which device best suits your needs.
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🏆 Quick Verdict

For the average user prioritizing performance and future-proofing, the Xiaomi Civi 4 Pro is the clear winner. Its Snapdragon 8s Gen 3 chipset offers a substantial leap in processing power over the K12x’s Snapdragon 695. However, the Oppo K12x remains a compelling option for budget-conscious buyers who prioritize value and don't require top-tier performance.

PHONES
Phone Names Oppo K12x (China) Xiaomi Civi 4 Pro
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 411, 3, 4, 5, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G bands1, 5, 8, 28, 41, 77, 78 SA/NSA1, 3, 5, 8, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / CDMA / HSPA / LTE / 5GGSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Launch
Announced2024, March 142024, March 21
StatusAvailable. Released 2024, May 20Available. Released 2024, March 21
Body
BuildGlass front, plastic frame, plastic backGlass front (Gorilla Glass Victus 2), glass back or silicone polymer back (eco leather), aluminum frame
Dimensions162.9 x 75.6 x 8.1 mm (6.41 x 2.98 x 0.32 in)157.2 x 72.8 x 7.5 mm or 7.8 mm
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight191 g (6.74 oz)177.6 or 179.3 g or 180.9 g (6.28 oz)
Display
Protection-Corning Gorilla Glass Victus 2
Resolution1080 x 2400 pixels, 20:9 ratio (~395 ppi density)1236 x 2750 pixels, 20:9 ratio (~460 ppi density)
Size6.67 inches, 107.4 cm2 (~87.2% screen-to-body ratio)6.55 inches, 103.5 cm2 (~90.4% screen-to-body ratio)
TypeOLED, 120Hz, 600 nits (typ), 1200 nits (HBM), 2100 nits (peak)AMOLED, 68B colors, 120Hz, Dolby Vision, HDR10+, 3000 nits (peak)
Platform
CPUOcta-core (2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver)Octa-core (1x3.0 GHz Cortex-X4 & 4x2.8 GHz Cortex-A720 & 3x2.0 GHz Cortex-A520)
ChipsetQualcomm SM6375 Snapdragon 695 5G (6 nm)Qualcomm SM8635 Snapdragon 8s Gen 3 (4 nm)
GPUAdreno 619Adreno 735
OSAndroid 14, ColorOS 14Android 14, HyperOS
Memory
Card slotmicroSDXC (uses shared SIM slot)No
Internal128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM
Main Camera
Dual50 MP, f/1.8, (wide), 1/2.76", PDAF Auxiliary lens-
FeaturesLED flash, HDR, panoramaColor spectrum sensor, Dual-LED flash, HDR, panorama, Leica lenses
Triple-50 MP, f/1.6, 25mm (wide), 1/1.55", 1.0µm, PDAF, OIS 50 MP, f/2.0, 50mm (telephoto), 0.64µm, PDAF, 2x optical zoom 12 MP, f/2.2, 15mm, 120˚ (ultrawide), 1.12µm
Video1080p@30fps, gyro-EIS4K@24/30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, HDR10+, BT.2020, 10-bit video, gyro-EIS
Selfie camera
Dual-32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm, AF 32 MP, f/2.4, 100˚ (ultrawide), 1/2.8", 0.8µm
FeaturesPanoramaHDR, panorama
Single16 MP, f/2.4, (wide)-
Video1080p@30fps4K@30fps, 1080p@30/60fps; gyro-EIS
Sound
35mm jackYesNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
BluetoothYes5.4, A2DP, LE, LHDC
Infrared port-Yes
NFCNoYes
PositioningGPS, GALILEO, GLONASS, BDS, QZSSGPS (L1), GLONASS (G1), BDS (B1I+B1c), GALILEO (E1), QZSS (L1)
RadioNoNo
USBUSB Type-C 2.0USB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-bandWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging80W wired, PD3.0, 100% in 50 min67W wired, PD3.0, 100% in 40 minutes
Type5500 mAhLi-Po 4700 mAh
Misc
ColorsGray, Light GreenBlack, Pink, Blue, Green
ModelsPJT11024053PY09C
PriceAbout 170 EURAbout 380 EUR

Oppo K12x (China)

  • Faster 80W charging
  • More affordable price point
  • Decent performance for everyday tasks

  • Significantly weaker processor
  • Less future-proof
  • Potentially lower-quality display

Xiaomi Civi 4 Pro

  • Flagship-level Snapdragon 8s Gen 3 processor
  • Superior performance and efficiency
  • Likely better camera system

  • Higher price
  • Slightly slower charging (67W)
  • May require more frequent charging due to higher performance demands

Display Comparison

While both phones likely feature AMOLED panels (based on brand trends), the specifics are missing. The Civi 4 Pro’s focus on aesthetics suggests a potentially higher-quality display with a higher peak brightness and more accurate color calibration. The K12x, being a more budget-oriented device, may utilize a slightly less advanced panel. Bezels are likely comparable, but the Civi 4 Pro’s design language hints at a more refined screen-to-body ratio.

Camera Comparison

Without detailed camera specs, it’s difficult to make a definitive judgment. However, the Civi 4 Pro’s positioning as a more premium device suggests a more sophisticated camera system. The Snapdragon 8s Gen 3’s ISP (Image Signal Processor) is also significantly more capable than the one found in the Snapdragon 695, resulting in better image processing, noise reduction, and dynamic range. We can expect the Civi 4 Pro to excel in low-light photography and video recording. The K12x will likely offer a competent camera for everyday use, but won’t match the Civi 4 Pro’s capabilities.

Performance

The performance gap is the most significant differentiator. The Xiaomi Civi 4 Pro’s Snapdragon 8s Gen 3 (4nm) is a substantial upgrade over the Oppo K12x’s Snapdragon 695 (6nm). The 8s Gen 3 features a Cortex-X4 prime core clocked at 3.0 GHz, alongside A720 and A520 cores, offering significantly faster CPU and GPU performance. The 6nm process of the Snapdragon 695, while efficient, can’t compete with the 4nm node of the 8s Gen 3 in terms of raw power and thermal efficiency. This translates to smoother gaming, faster app loading times, and better multitasking on the Civi 4 Pro. The Civi 4 Pro will also benefit from faster LPDDR5x RAM, further enhancing performance.

Battery Life

The Oppo K12x boasts 80W wired charging, achieving a 100% charge in 50 minutes, while the Xiaomi Civi 4 Pro charges at 67W, reaching 100% in 40 minutes. While the K12x charges slightly faster, the Civi 4 Pro’s more efficient Snapdragon 8s Gen 3 chipset will likely result in comparable, if not better, real-world battery life despite potentially having a similar or slightly smaller battery capacity. The 4nm process node contributes significantly to power efficiency.

Buying Guide

Buy the Oppo K12x (China) if you need a reliable daily driver for basic tasks, social media, and light gaming, and are on a strict budget. You’ll appreciate its 80W fast charging and decent battery life. Buy the Xiaomi Civi 4 Pro if you prioritize smooth multitasking, demanding mobile games, and a more responsive user experience, and are willing to spend more for a flagship-level processor.

Frequently Asked Questions

❓ Will the Snapdragon 695 in the Oppo K12x struggle with graphically intensive games like Genshin Impact?
Yes, the Snapdragon 695 is a mid-range chip and will likely struggle to deliver a smooth experience in demanding games like Genshin Impact, even at lower settings. Expect noticeable frame drops and potential overheating. The Xiaomi Civi 4 Pro’s Snapdragon 8s Gen 3 is far better equipped to handle such titles.
❓ Does the Xiaomi Civi 4 Pro’s Snapdragon 8s Gen 3 generate excessive heat during prolonged gaming sessions?
The Snapdragon 8s Gen 3 is a relatively efficient chip, and Xiaomi typically employs effective cooling solutions in their Pro models. While some heat generation is inevitable during extended gaming, it’s unlikely to cause significant throttling or discomfort. The 4nm process node contributes to better thermal management compared to the 6nm Snapdragon 695 in the K12x.
❓ Is the difference in charging speed (80W vs 67W) between the Oppo K12x and Xiaomi Civi 4 Pro noticeable in everyday use?
While the K12x charges slightly faster on paper, the difference in real-world usage is likely minimal. Both phones offer relatively quick charging, and the Civi 4 Pro’s more efficient processor may offset the slower charging speed with longer battery life.