Oppo K9x vs Oppo K7 5G: A Clash of Budget Titans

Oppo consistently delivers impressive smartphones at competitive prices. The Oppo K9x and K7 5G are two such contenders, vying for the title of best budget phone. But which one offers the better value and performance? Let's dive into a detailed comparison.
Phones Images

🏆 Quick Verdict

The Oppo K7 5G generally edges out the K9x thanks to its superior Snapdragon 765G chipset and slightly faster charging. However, the K9x's Dimensity 810 offers competitive performance and a potentially better display, making it a strong contender depending on your priorities.

PHONES
Phone Names Oppo K9x Oppo K7 5G
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 5, 7, 8, 28, 34, 38, 39, 40, 41LTE
5G bands1, 28, 41, 77, 78 SA/NSASA/NSA
EDGE-No
GPRS-No
SpeedHSPA, LTE, 5GHSPA, LTE, 5G (1.9 Gbps DL)
TechnologyGSM / CDMA / HSPA / CDMA2000 / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
 CDMA2000 1x CDMA2000 1xEV-DO
Launch
Announced2021, December 232020, August 04. Released 2020, August 11
StatusAvailable. Released 2021, December 27Discontinued
Body
Build-Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Dimensions162.2 x 74.8 x 8.8 mm (6.39 x 2.94 x 0.35 in)160.3 x 74.3 x 8 mm (6.31 x 2.93 x 0.31 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight194 g (6.84 oz)180 g (6.35 oz)
Display
ProtectionAluminosilicate glassCorning Gorilla Glass 5
Resolution1080 x 2400 pixels, 20:9 ratio (~405 ppi density)1080 x 2400 pixels, 20:9 ratio (~411 ppi density)
Size6.49 inches, 102.2 cm2 (~84.2% screen-to-body ratio)6.4 inches, 98.9 cm2 (~83.0% screen-to-body ratio)
TypeIPS LCD, 90Hz, 480 nits (typ), 600 nits (HBM)AMOLED, 430 nits (typ)
Platform
CPUOcta-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver)
ChipsetMediatek Dimensity 810 (6 nm)Qualcomm SM7250 Snapdragon 765G 5G (7 nm)
GPUMali-G57 MC2Adreno 620
OSAndroid 11, ColorOS 11.1Android 10, ColorOS 7
Memory
Card slotmicroSDXCNo
Internal128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM128GB 8GB RAM, 256GB 8GB RAM
 UFS 2.2UFS 2.1
Main Camera
FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Quad-48 MP, f/1.7, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 2 MP B/W, f/2.4, 1/5.0", 1.75µm Auxiliary lens
Single16 MP, f/2.0, 26mm (wide), 1/3.0”, 1.0µm-
Triple64 MP, f/1.7, 26mm (wide), 1/1.97”, 0.7µm, PDAF 2 MP (macro) Auxiliary lens-
Video1080p@30fps, gyro-EIS4K@30fps, 1080p@30/60fps; gyro-EIS
Selfie camera
Features-HDR
Single16 MP, f/2.0, 26mm (wide), 1/3.0”, 1.0µm32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.1, A2DP, LE, aptX5.1, A2DP, LE
NFCNoYes
PositioningGPS, GLONASS, GALILEO, BDSGPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5)
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging33W wired, 50% in 27 min Reverse wired30W wired, 50% in 20 min
TypeLi-Po 5000 mAhLi-Po 4025 mAh
Misc
ColorsBlack, BlueMoonlight Black, Pearl White, Blue, Blue/Red
ModelsPGCM10A1554
PriceAbout 190 EURAbout 240 EUR

Oppo K9x

  • Potentially higher refresh rate display
  • Competitive performance for the price
  • Reverse wired charging

  • Slightly slower charging
  • Less powerful chipset than K7 5G
  • No 5G connectivity

Oppo K7 5G

  • 5G connectivity
  • More powerful Snapdragon 765G chipset
  • Slightly faster charging
  • Better for demanding games

  • Standard 60Hz display
  • May be slightly more expensive

Display Comparison

Both phones feature large displays, likely around 6.5 inches, with Full HD+ resolution. The K9x is rumored to have a slightly higher refresh rate (90Hz vs 60Hz on the K7 5G), potentially offering a smoother visual experience. Color accuracy and brightness are likely comparable, though specific panel types differ.

Camera Comparison

Camera specs are similar, with both phones likely featuring a 48MP main sensor, ultrawide lens, and macro lens. Image processing and low-light performance will be key differentiators. The K7 5G's superior chipset might allow for slightly better image processing.

Performance

The Oppo K7 5G's Snapdragon 765G is the clear winner here. While the Dimensity 810 in the K9x is capable, the 765G offers better overall performance, especially in gaming and multitasking. The 7nm process of the 765G also contributes to better power efficiency.

Battery Life

Both phones offer large batteries (likely around 5000mAh). The K7 5G charges slightly faster (30W vs 33W), but the difference is minimal. Battery life in real-world usage should be comparable.

Buying Guide

The Oppo K9x is ideal for users prioritizing a vibrant display and decent performance for everyday tasks and light gaming. The Oppo K7 5G is a better choice for those needing 5G connectivity, smoother performance for demanding apps, and slightly faster charging.

Frequently Asked Questions

❓ Is the Oppo K9x worth buying if I don't need 5G?
Yes, the K9x offers a good balance of features and performance for the price, especially if you value a smoother display and don't require 5G connectivity.
❓ Which phone is better for gaming?
The Oppo K7 5G is generally better for gaming due to its more powerful Snapdragon 765G chipset.