Radeon RX 6550M vs ATI Mobility X1800XT

Primary details

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

Place in the rankingnot rated216
Place by popularitynot in top-100not in top-100
Power efficiencyno data21.42
Architectureno dataRDNA 2.0 (2020−2024)
GPU code nameM58, R520Navi 24
Market segmentLaptopLaptop
Release date1 March 2006 (18 years ago)4 January 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 cores241024
Core clock speed8 MHz2000 MHz
Boost clock speed550 MHz2840 MHz
Number of transistorsno data5,400 million
Manufacturing process technology90 nm6 nm
Power consumption (TDP)no data80 Watt
Texture fill rateno data181.8
Floating-point processing powerno data5.816 TFLOPS
ROPsno data32
TMUsno data64
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 sizelargemedium sized
Interfaceno dataPCIe 4.0 x4
Supplementary power connectorsno dataNone

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 typeGDDR3GDDR6
Maximum RAM amountno data4 GB
Memory bus width256 Bit64 Bit
Memory clock speed650 MHz2250 MHz
Memory bandwidthno data144.0 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 Connectorsno dataPortable Device Dependent

API compatibility

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

DirectXGDDR312 Ultimate (12_2)
Shader Modelno data6.7
OpenGLno data4.6
OpenCLno data2.2
Vulkan-1.3

Pros & cons summary


Recency 1 March 2006 4 January 2023
Chip lithography 90 nm 6 nm

RX 6550M has an age advantage of 16 years, and a 1400% more advanced lithography process.

We couldn't decide between Mobility Radeon X1800XT and Radeon RX 6550M. We've got no test results to judge.


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.


ATI Mobility Radeon X1800XT
Mobility Radeon X1800XT
AMD Radeon RX 6550M
Radeon RX 6550M

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 Mobility Radeon X1800XT on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4 193 votes

Rate Radeon RX 6550M 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.