Radeon RX 6500M vs 550X 640SP

Primary details

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

Place in the rankingnot rated269
Place by popularitynot in top-100not in top-100
Power efficiencyno data28.01
ArchitectureGCN 4.0 (2016−2020)RDNA 2.0 (2020−2024)
GPU code nameLexaNavi 24
Market segmentDesktopLaptop
Release date11 April 2018 (6 years ago)4 January 2022 (2 years 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 cores6401024
Core clock speed1019 MHz2000 MHz
Boost clock speed1071 MHz2400 MHz
Number of transistors2,200 million5,400 million
Manufacturing process technology14 nm6 nm
Power consumption (TDP)50 Watt50 Watt
Texture fill rate42.84153.6
Floating-point processing power1.371 TFLOPS4.915 TFLOPS
ROPs1632
TMUs4064
Ray Tracing Coresno data16

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 sizeno datamedium sized
InterfacePCIe 3.0 x8PCIe 4.0 x4
WidthIGPno data
Supplementary power connectorsNoneNone

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 amount4 GB4 GB
Memory bus width64 Bit64 Bit
Memory clock speed1500 MHz2250 MHz
Memory bandwidth48 GB/s144.0 GB/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 Connectors1x DVI, 1x HDMI, 1x DisplayPortNo outputs
HDMI+-

API compatibility

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

DirectX12 (12_0)12 Ultimate (12_2)
Shader Model6.46.6
OpenGL4.64.6
OpenCL2.02.2
Vulkan1.2.1311.3

Pros & cons summary


Recency 11 April 2018 4 January 2022
Chip lithography 14 nm 6 nm

RX 6500M has an age advantage of 3 years, and a 133.3% more advanced lithography process.

We couldn't decide between Radeon 550X 640SP and Radeon RX 6500M. We've got no test results to judge.

Be aware that Radeon 550X 640SP is a desktop card while Radeon RX 6500M is a notebook one.


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

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon 550X 640SP
Radeon 550X 640SP
AMD Radeon RX 6500M
Radeon RX 6500M

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.


No user ratings yet.

Rate Radeon 550X 640SP on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.6 511 votes

Rate Radeon RX 6500M on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.