Realme X3 is powered by the Qualcomm Snapdragon 855 Plus. The processor is Octa core (2.96 GHz, Single core, Kryo 485 + 2.42 GHz, Tri core, Kryo 485 + 1.8 GHz, Quad core, Kryo 485) that uses 64 bit architecture and Adreno 640 GPU. It runs on Android v10 (Q) operating system with 6 GB RAM and 128 GB ROM.
Realme X3 has an overall AnTuTu score of 506,631. The benchmark app also gives individual scores for CPU, Memory, GPU, and UX tests. Realme X3 scored 140,460 for CPU, 88,037 for Memory, 195,670 for GPU, and 82,464 for UX test.
On Geekbench, Realme X3 CPU is tested to check the performance of a single core as well as multiple cores in carrying out tasks. The Realme X3 Geekbench multi-core score is 2,546 and single-core score is 777.
The GFXBench app is used to test the Realme X3 for graphics (GPU) performance, with two key components: Manhattan and T-Rex. The Realme X3 GFXBench Manhattan and T-Rex scores are 2,783.0 and 2,514.0, respectively.
PCMark is used to benchmark the Realme X3 battery performance on real-world tasks. The Realme X3 PCMark battery performance time is 15h 15m .