What is VRAM on a graphics card?

What is VRAM?

VRAM (Video Random Access Memory) is the dedicated memory on your graphics card. Its job is to temporarily store everything the GPU needs to display on screen: textures, 3D models, shadows, effects and the frames you are seeing at every instant.

Think of it as your GPU's "work desk": the bigger it is, the more things it can keep within reach without having to fetch them from somewhere else (which would slow everything down).

Why is VRAM useful?

When you play, the GPU needs instant access to the scene's textures and data. If there is enough VRAM, everything flows. If it runs short, the system starts pulling from regular RAM (much slower for this task) and problems appear:

• FPS drops and stuttering.
• Textures that load blurry or take time to appear.
• Worse performance at high resolutions (1440p and 4K).

In short: VRAM does not make your game run "faster" on its own, but it prevents bottlenecks when you raise graphics quality or resolution.

How much VRAM is recommended?

It mostly depends on the resolution you play at and how high you set the graphics options. Here is a simple guide for 2026:

Tip: 8 GB is still the comfortable minimum today, but if you want your rig to last several years, 12 GB is a safer bet.

Can you upgrade VRAM?

No. Unlike your PC's RAM, VRAM comes physically soldered to the graphics card's board. It is not a module you can buy and add.

What some control panels or BIOS let you adjust is the "shared memory" on integrated graphics, but that uses system RAM and is not the same as having more real VRAM. The only way to get more VRAM is to switch to another graphics card.

Main types of VRAM

Not all VRAM is the same. These are the types you will find most often:

• GDDR6: the most common standard on current cards. A good balance between speed and price.
• GDDR6X: a faster version of GDDR6, used in high-end models. Higher bandwidth.
• GDDR7: the newest generation, found on the latest cards. More speed and better efficiency.
• HBM: high-performance memory used mostly in professional and AI cards, not so much in consumer gaming.

How to check how much VRAM your GPU has

On Windows you can check it in under a minute:

1. Press Win + R, type dxdiag and hit Enter.
2. Go to the Display tab.
3. Look for the Display Memory (VRAM) field.

You can also see it in Settings → System → Display → Advanced display settings, or with tools like GPU-Z and the NVIDIA / AMD control panel.

VRAM components

When you read a GPU's memory specifications, these are the three numbers that really matter:

• Capacity: the total GB (8 GB, 12 GB, 16 GB…). How much information it can hold at once.
• Type / generation: GDDR6, GDDR6X, GDDR7… defines the memory's base speed.
• Memory bus: measured in bits (128, 192, 256 bits). The wider it is, the more data moves at once.

The combination of type and bus determines the bandwidth, which is the real amount of data your VRAM can move per second.

What is the difference between RAM and VRAM?

It is the most common mix-up. Both are memory, but they work for different parts:

In a nutshell: RAM helps your PC do several things at once, and VRAM makes sure what you see on screen renders smoothly.