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Samsung Exynos 1380 vs MediaTek Helio G99: Full Comparison

Last updated: 2026-01-22

Quick Answer

The Samsung Exynos 1380 and MediaTek Helio G99 are both mid-range mobile processors, but they are built on different architectures and target distinct performance profiles. The Exynos 1380 typically offers stronger CPU performance and superior graphics capabilities, while the Helio G99 is generally known for its power efficiency and reliable everyday performance.

Samsung Exynos 1380 vs MediaTek Helio G99: Full Comparison

Introduction

Choosing a smartphone often involves looking beyond brand names to the silicon that powers it. In the competitive mid-range segment, the Samsung Exynos 1380 and the MediaTek Helio G99 are two prominent system-on-chips (SoCs) that frequently appear in various models. This comparison aims to break down their technical specifications, performance characteristics, and typical use cases. By understanding the differences in their manufacturing process, CPU configuration, GPU capabilities, and feature sets, you can better assess which chipset aligns with your needs, whether for gaming, multitasking, or general daily use.

Manufacturing Process & Architecture

The fundamental building block of any processor is its manufacturing node, which significantly impacts power efficiency and performance.

  • Samsung Exynos 1380: This chip is fabricated using Samsung’s 5-nanometer (5nm) process technology. A smaller node generally allows for more transistors in a given area, which can lead to better performance and improved power efficiency compared to larger nodes.
  • MediaTek Helio G99: It is built on a 6nm process from TSMC. While not as advanced as a 5nm design, the 6nm process is still considered very efficient for mid-range chips and contributes to good battery life.

The architectural difference means the Exynos 1380 has a potential advantage in peak performance and efficiency, though real-world results also depend heavily on software optimization and device cooling.

CPU & Performance

The Central Processing Unit (CPU) handles general tasks and application processing. The core configuration here shows a clear divergence in philosophy.

  • Samsung Exynos 1380: It features an octa-core CPU with a 4+4 cluster design: four high-performance ARM Cortex-A78 cores and four power-efficient ARM Cortex-A55 cores. This setup is designed to handle more demanding tasks with the A78 cores while using the A55 cores for background processes to save power.
  • MediaTek Helio G99: This chip also uses an octa-core setup but with a 2+6 configuration: two higher-performance ARM Cortex-A76 cores and six power-efficient ARM Cortex-A55 cores. The A76 cores are an older generation than the A78, which typically results in the Exynos 1380 having a higher peak CPU performance.

For tasks like app launches, web browsing, and social media, both are generally capable. The Exynos 1380 typically holds an advantage in sustained, heavy multitasking and more intensive applications.

GPU & Gaming

The Graphics Processing Unit (GPU) is critical for gaming, UI animations, and any visually intensive task.

  • Samsung Exynos 1380: It is equipped with an ARM Mali-G68 MP5 GPU. This is a relatively modern GPU that supports advanced graphics APIs and can handle demanding mobile games at medium to high settings, depending on the game’s optimization and display resolution.
  • MediaTek Helio G99: It uses an ARM Mali-G57 MC2 GPU. The G57 is a capable mid-range GPU, but the “MC2” indicates it has two cores, which generally provides less graphical horsepower than the G68 MP5’s five cores. It is suited for casual gaming and popular titles at lower to medium graphical settings.

The Exynos 1380 typically provides a more robust gaming experience for graphically intensive titles, while the Helio G99 is adequate for less demanding games.

Connectivity & Features

Modern connectivity options are essential, and here the chipsets show a notable difference.

  • Samsung Exynos 1380: A key advantage is its integrated 5G modem. This allows devices using this chip to connect to next-generation 5G networks, providing faster data speeds where available. It also generally supports LPDDR5 RAM and UFS 3.1 storage, which are faster standards.
  • MediaTek Helio G99: This chip features an integrated 4G LTE modem. It does not support 5G connectivity. It typically works with LPDDR4X RAM and UFS 2.2 storage, which are still common and performant in the mid-range segment but are a step behind the newer standards.

Therefore, the choice can depend on your network needs. If 5G access is important, the Exynos 1380 is the relevant option. For regions where 5G is not a priority, the Helio G99 remains a viable choice.

AI, Imaging, and Other Capabilities

Both chips include dedicated processing units for artificial intelligence (AI) and image signal processors (ISPs) to enhance camera performance.

  • AI Processing: The Exynos 1380 includes a more advanced NPU (Neural Processing Unit) for on-device AI tasks, which can aid in camera scene detection, voice assistants, and other smart features. The Helio G99 also has MediaTek’s APU for AI tasks but is generally considered less powerful.
  • Camera Support: The ISP in the Exynos 1380 typically supports higher-resolution camera sensors (up to 200MP) and can handle advanced features like multi-camera concurrent recording. The Helio G99’s ISP supports cameras up to 108MP and offers capable but more standard imaging features.
  • Display Support: Both support high refresh rate displays (up to 144Hz for the Helio G99 and potentially higher for the Exynos 1380, depending on implementation), contributing to smooth scrolling and animations.

Comparison Table

Feature Samsung Exynos 1380 MediaTek Helio G99
Manufacturing Process 5nm (Samsung) 6nm (TSMC)
CPU Architecture Octa-core (4x Cortex-A78 @ 2.4GHz + 4x Cortex-A55 @ 2.0GHz) Octa-core (2x Cortex-A76 @ 2.2GHz + 6x Cortex-A55 @ 2.0GHz)
GPU ARM Mali-G68 MP5 ARM Mali-G57 MC2
Memory Support LPDDR5, UFS 3.1 LPDDR4X, UFS 2.2
Modem & Connectivity Integrated 5G Modem (Sub-6GHz) Integrated 4G LTE Modem
Max Camera Support Up to 200MP Up to 108MP
Display Support FHD+ @ 144Hz FHD+ @ 120Hz/144Hz
AI Processing Advanced NPU MediaTek APU
Bluetooth Version 5.2 5.2

Frequently Asked Questions (FAQ)

What is the main difference between the Exynos 1380 and Helio G99?

The most significant differences are in connectivity and peak performance. The Exynos 1380 includes an integrated 5G modem and typically offers stronger CPU and GPU performance due to its newer CPU cores (A78 vs. A76) and more powerful GPU (Mali-G68 MP5 vs. Mali-G57 MC2).

Which chip is better for gaming, the Exynos 1380 or Helio G99?

The Samsung Exynos 1380 is generally better suited for more demanding mobile gaming. Its Mali-G68 MP5 GPU provides more graphical horsepower compared to the Helio G99’s Mali-G57 MC2, allowing for smoother gameplay at higher graphical settings in intensive titles.

Does the MediaTek Helio G99 support 5G?

No, the MediaTek Helio G99 does not have an integrated 5G modem. It is a 4G LTE chipset. If 5G connectivity is a requirement, a device with the Samsung Exynos 1380 or another 5G-capable processor would be necessary.

Which processor is more power-efficient?

Both are designed for efficiency in the mid-range. The Exynos 1380 uses a more advanced 5nm process, which can be more efficient under load. The Helio G99, built on a mature 6nm process and with a less powerful GPU, often demonstrates excellent power efficiency in everyday tasks and can contribute to strong battery life in devices that use it.

Final Thoughts

The Samsung Exynos 1380 and MediaTek Helio G99 cater to slightly different segments within the mid-range market. The Exynos 1380 presents a more forward-looking package with 5G connectivity, support for newer memory and storage standards, and higher peak performance suitable for gaming and heavy multitasking. The MediaTek Helio G99, while not featuring 5G, offers a balanced and power-efficient experience for general use and casual gaming, often found in devices that prioritize battery life. Your choice between the two will ultimately depend on whether you prioritize next-generation connectivity and higher performance or value a cost-effective solution with reliable 4G performance and efficiency. It’s advisable to consider the overall device specifications, software, and cooling implementation, as these factors significantly influence the real-world experience beyond the chipset alone.

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