Recommended Free Tools
You can’t turn ordinary system RAM into physical VRAM on a graphics card. If your PC uses integrated graphics, the GPU can use some system memory, and certain computers let you adjust how much is reserved in BIOS or UEFI. That setting does not add physical video memory, and reserving more leaves less RAM for Windows and other applications. For more dedicated VRAM, the genuine upgrade is a compatible discrete graphics card—usually a practical option only for desktop PCs.
First, find out what kind of graphics your PC has
A discrete graphics card has its own dedicated video memory. Integrated graphics share system RAM with the CPU and operating system; they do not have a separate pool of physical VRAM to enlarge.
As an Amazon Associate I earn from qualifying purchases.
In Windows, open Settings > System > Display > Advanced display, select the display if prompted, then open Display adapter properties. You can also run the DirectX Diagnostic Tool by pressing Windows key + R, entering dxdiag, and checking the Display or Render tab under Display Devices. The labels and values can be confusing on integrated graphics: Intel says its driver may report 128 MB of fictitious Dedicated Video Memory for compatibility with applications that do not handle unified memory correctly. That figure is not necessarily the full amount of graphics memory the system can use.
The Tool Desk
Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →Windows may also show shared system memory. Treat that as the maximum the operating system may allow the GPU to use, not RAM permanently set aside for graphics. The actual available amount is managed by the system and can vary with workload.
#1 Best Overall
- Powered by Radeon RX 9070 XT
- WINDFORCE Cooling System
- Hawk Fan
- Server-grade Thermal Conductive Gel
- RGB Lighting
Can a BIOS or UEFI setting increase graphics memory?
Some PCs with integrated graphics offer a firmware setting for a reserved graphics-memory allocation. Depending on the manufacturer, it may be called UMA Frame Buffer Size, DVMT, VRAM, or Graphics Memory. Many systems have no such control, and available options vary by exact model.
Where a control exists, it changes how much system RAM is preallocated or limits the maximum available to graphics; it does not create dedicated VRAM. Intel says that in its described shared-memory setup, users cannot preset an exact VRAM value and can only limit the maximum memory the GPU may take. AMD says UMA is usually set to Auto by default and normally does not need adjustment.
Rank #2
- Powered by the NVIDIA Blackwell architecture and DLSS 4
- Powered by GeForce RTX 5070 Ti
- Integrated with 16GB GDDR7 256bit memory interface
- PCIe 5.0
- WINDFORCE cooling system
Increasing a reserved allocation has a cost: that memory is less available to Windows and other programs. AMD specifically cautions that a 2 GB UMA buffer on a computer with 4 GB total RAM could hurt overall system performance. That example is not a universal threshold or recommended setting; the impact depends on the computer and its workload.
How to check for a documented setting safely
- Identify the PC or motherboard model. Use its manual or manufacturer support page to find the documented BIOS/UEFI controls. Do not assume instructions for another model apply.
- Enter firmware setup using the maker’s instructions. The key or method varies by device. Look only for a documented graphics-memory, UMA, or DVMT option; there is no universal menu path.
- Use only the choices the manufacturer documents. If the setting is absent, leave automatic memory management in place rather than trying registry edits or unofficial workarounds. A changed number displayed in Windows would not add physical VRAM.
- Consider the RAM tradeoff before changing a reservation. Choose a larger allocation only if the PC maker documents the option and you have a specific compatibility need. If the setting causes problems, return it to Auto or the previous documented value.
Microsoft advises changing only what is needed in UEFI/BIOS and referring to device documentation for manufacturer-specific instructions. Firmware controls can affect system behavior, so avoid changing unrelated settings.
Rank #3
- Powered by the NVIDIA Blackwell architecture and DLSS 4. System Requirements: Minimum 850W PSU with 16-pin 12V-2x6 (12VHPWR) connector required. Verify before purchasing.
- Military-grade components deliver rock-solid power and longer lifespan for ultimate durability. Compatibility: 348mm (13.7") length, 3.6 slots, 4.3 lbs. Confirm case clearance and slot spacing. GPU bracket included.
- Protective PCB coating helps protect against short circuits caused by moisture, dust, or debris
- 3.6-slot design with massive fin array optimized for airflow from three Axial-tech fans
- Phase-change GPU thermal pad helps ensure optimal thermal performance and longevity, outlasting traditional thermal paste for graphics cards under heavy loads
What to do when an app says there is not enough VRAM
First identify the actual GPU and check the application’s published graphics requirements. A small dedicated-memory figure on an integrated GPU may be a compatibility report, while the shared-memory figure is a system-managed limit rather than a separate VRAM pool. Increasing a firmware reservation or changing a displayed value may therefore fail to satisfy a requirement that depends on GPU capability or physical dedicated memory.
If the computer is a desktop with a compatible expansion slot and the application genuinely requires more dedicated graphics memory, a discrete GPU is the hardware route. Before buying, verify case clearance, power-supply capacity and connectors, motherboard compatibility, and the application’s requirements. A desktop discrete GPU is a separate card plugged into the motherboard; specific fit and compatibility depend on the computer.
Rank #4
- AI Performance: 767 AI TOPS
- OC mode: 2632 MHz (OC mode)/ 2602 MHz (Default mode)
- Powered by the NVIDIA Blackwell architecture and DLSS 4
- Axial-tech fan design features a smaller fan hub that facilitates longer blades and a barrier ring that increases downward air pressure
- A 2.5-slot design maximizes compatibility and cooling efficiency for superior performance in small chassis
For a laptop or tablet, check the exact model’s documentation rather than assuming the GPU can be replaced. Some devices have discrete GPUs installed on the motherboard, in addition to integrated graphics, rather than on a replaceable card. Adding system RAM may help some integrated-graphics systems access a larger shared pool if the PC supports a memory upgrade, but it does not create dedicated VRAM or guarantee a graphics-performance improvement.
Quick Recap
Best Value
- Powered by the NVIDIA Blackwell architecture and DLSS 4
- Powered by GeForce RTX 5060
- Integrated with 8GB GDDR7 128bit memory interface
- PCIe 5.0
- WINDFORCE cooling system
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
