Radeon RX 6550S vs ATI DDR

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Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureRage 6 (2000−2007)RDNA 2.0 (2020−2024)
GPU code nameRage 6Navi 24
Market segmentDesktopLaptop
Release date1 April 2000 (24 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 coresno data1024
Core clock speed166 MHz2000 MHz
Boost clock speedno data2400 MHz
Number of transistors30 million5,400 million
Manufacturing process technology180 nm6 nm
Power consumption (TDP)23 Watt50 Watt
Texture fill rate1153.6
Floating-point processing powerno data4.915 TFLOPS
ROPs232
TMUs664
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
InterfaceAGP 4xPCIe 4.0 x4
Width1-slotno 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 typeDDRGDDR6
Maximum RAM amount32 MB4 GB
Memory bus width128 Bit64 Bit
Memory clock speed166 MHz2000 MHz
Memory bandwidth5.312 GB/s128.0 GB/s
Shared memoryno 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 VGAPortable Device Dependent

API compatibility

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

DirectX7.012 Ultimate (12_2)
Shader Modelno data6.7
OpenGL1.34.6
OpenCLN/A2.2
VulkanN/A1.3

Pros & cons summary


Recency 1 April 2000 4 January 2023
Maximum RAM amount 32 MB 4 GB
Chip lithography 180 nm 6 nm
Power consumption (TDP) 23 Watt 50 Watt

ATI DDR has 117.4% lower power consumption.

RX 6550S, on the other hand, has an age advantage of 22 years, a 12700% higher maximum VRAM amount, and a 2900% more advanced lithography process.

We couldn't decide between Radeon DDR and Radeon RX 6550S. We've got no test results to judge.

Be aware that Radeon DDR is a desktop card while Radeon RX 6550S is a notebook 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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ATI Radeon DDR
Radeon DDR
AMD Radeon RX 6550S
Radeon RX 6550S

Comparisons with similar GPUs

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Community ratings

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4.5 4 votes

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2.8 10 votes

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Questions & comments

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