Radeon RX Vega 11 Efficient vs 9550 XT

Primary details

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

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureRage 8 (2002−2006)GCN 5.0 (2017−2020)
GPU code nameRV350Raven
Market segmentDesktopDesktop
Release date4 May 2005 (19 years ago)23 April 2018 (6 years ago)
Current priceno data$493

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA coresno data704
Core clock speed425 MHz300 MHz
Boost clock speedno data1250 MHz
Number of transistors60 million4,940 million
Manufacturing process technology130 nm14 nm
Power consumption (TDP)no data35 Watt
Texture fill rate1.70055.00

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).

InterfaceAGP 8xIGP
Width1-slotIGP
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 typeDDRSystem Shared
Maximum RAM amount128 MBSystem Shared
Memory bus width128 BitSystem Shared
Memory clock speed650 MHzSystem Shared
Memory bandwidth10.4 GB/sno data

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 VGA, 1x S-VideoNo outputs

API compatibility

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

DirectX9.0 (9_0)12 (12_1)
Shader Modelno data6.4
OpenGL2.04.6
OpenCLN/A2.0
VulkanN/A1.2.131

Pros & cons summary


Recency 4 May 2005 23 April 2018
Maximum RAM amount 128 MB System Shared
Chip lithography 130 nm 14 nm

We couldn't decide between Radeon 9550 XT and Radeon RX Vega 11 Efficient. 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 Radeon 9550 XT
Radeon 9550 XT
AMD Radeon RX Vega 11 Efficient
Radeon RX Vega 11 Efficient

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.


4 9 votes

Rate Radeon 9550 XT on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.6 16 votes

Rate Radeon RX Vega 11 Efficient 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.