Radeon RX 7990 XTX vs RX 540

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Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking536not rated
Place by popularitynot in top-100not in top-100
Power efficiency10.43no data
ArchitectureGCN 4.0 (2016−2020)RDNA 3.0 (2022−2024)
GPU code nameLexaNavi 31
Market segmentLaptopDesktop
Release date11 November 2017 (6 years ago)2023 (1 year ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores5126144
Core clock speed1124 MHz2500 MHz
Boost clock speed1219 MHz3599 MHz
Number of transistors2,200 million57,700 million
Manufacturing process technology14 nm5 nm
Power consumption (TDP)50 Watt405 Watt
Texture fill rate39.011,382
Floating-point processing power1.248 TFLOPS88.45 TFLOPS
ROPs16192
TMUs32384
Ray Tracing Coresno data96

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Laptop sizelargeno data
InterfacePCIe 3.0 x8PCIe 4.0 x16
Lengthno data287 mm
Widthno data3-slot
Supplementary power connectorsNone3x 8-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR5GDDR6
Maximum RAM amount2 GB24 GB
Memory bus width128 Bit384 Bit
Memory clock speed1500 MHz3000 MHz
Memory bandwidth96 GB/s1.15 TB/s
Shared memory--

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsNo outputs1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
HDMI-+

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

FreeSync+-

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX12 (12_0)12 Ultimate (12_2)
Shader Model6.46.7
OpenGL4.64.6
OpenCL2.02.2
Vulkan1.2.1311.3

Pros & cons summary


Maximum RAM amount 2 GB 24 GB
Chip lithography 14 nm 5 nm
Power consumption (TDP) 50 Watt 405 Watt

RX 540 has 710% lower power consumption.

RX 7990 XTX, on the other hand, has a 1100% higher maximum VRAM amount, and a 180% more advanced lithography process.

We couldn't decide between Radeon RX 540 and Radeon RX 7990 XTX. We've got no test results to judge.

Be aware that Radeon RX 540 is a notebook card while Radeon RX 7990 XTX is a desktop one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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AMD Radeon RX 540
Radeon RX 540
AMD Radeon RX 7990 XTX
Radeon RX 7990 XTX

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.7 155 votes

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4.2 350 votes

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Questions & comments

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