When a dedicated graphics card is worth it, according to Engadget

When integrated graphics are enough

A dedicated graphics card is often the priciest part of a desktop build, particularly for gaming machines, according to Engadget. The publication argues that many buyers may not need one at all. If a computer is used mainly for browsing, streaming media and casual games, integrated graphics can deliver a solid experience, including light productivity work and smooth video encoding and decoding.

An integrated GPU, or iGPU, is built into the same processor package as the CPU and shares system memory with it. A dedicated card, by contrast, has its own video memory, known as VRAM. That difference shapes both performance and price.

Not all integrated graphics are equal

Engadget stresses that iGPU quality varies widely between processors. Some integrated graphics only support display output, while others can drive high-resolution screens at high refresh rates, run casual games and manage light GPU-heavy tasks. High refresh rate display output is not the same as pushing high frame rates in games.

The publication points to two AMD chips as an example. The Ryzen 7 8700G includes Radeon 780M graphics with 12 compute units, while the Ryzen 7 9800X3D has basic Radeon Graphics with only two compute units. Although the 9800X3D is much faster at CPU work, it is considerably weaker in GPU-heavy scenarios.

For desktop builders who want strong integrated graphics, Engadget says AMD currently leads the space, offering more graphics horsepower than Intel's conventional integrated solutions.

Why memory matters for iGPU performance

Because an iGPU shares system memory with the CPU, its performance depends on more than clock speeds or core counts. RAM speed, configuration and capacity can all create bottlenecks. Engadget cites TechSpot testing on the Ryzen 7 8700G, which found significant performance drops in several games when moving from DDR5-6400 memory to DDR5-5200.

A dedicated card avoids this problem. Its own VRAM provides a separate memory pool with much higher bandwidth, easing the memory constraints that iGPUs commonly face.

When a dedicated card makes sense

Engadget suggests a discrete GPU is the better choice when workloads shift towards high-resolution video and photo editing, high-fidelity gaming, running large local language models or 3D rendering. In these cases, the extra power and dedicated memory of a graphics card outweigh its cost.

The publication also notes that an iGPU build is not a dead end. Desktop owners can add a powerful graphics card later if their needs grow. Before upgrading, Engadget advises checking the power supply capacity, PCIe compatibility and case clearance to make sure the card fits the build.