Radeon RX 6550M vs ATI X1900 XT

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Primary details

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

Place in the rankingnot rated212
Place by popularitynot in top-100not in top-100
Power efficiencyno data21.64
ArchitectureR500 (2005−2007)RDNA 2.0 (2020−2024)
GPU code nameR580Navi 24
Market segmentDesktopLaptop
Release date24 January 2006 (18 years ago)4 January 2023 (1 year ago)
Launch price (MSRP)$299 no data

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 speed625 MHz2000 MHz
Boost clock speedno data2840 MHz
Number of transistors384 million5,400 million
Manufacturing process technology90 nm6 nm
Power consumption (TDP)100 Watt80 Watt
Texture fill rate10.00181.8
Floating-point processing powerno data5.816 TFLOPS
ROPs1632
TMUs1664
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 1.0 x16PCIe 4.0 x4
Length242 mmno data
Width2-slotno data
Supplementary power connectors1x 6-pinNone

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 amount256 MB4 GB
Memory bus width256 Bit64 Bit
Memory clock speed725 MHz2250 MHz
Memory bandwidth46.4 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 Connectors2x DVI, 1x S-VideoPortable Device Dependent

API compatibility

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

DirectX9.0c (9_3)12 Ultimate (12_2)
Shader Model3.06.7
OpenGL2.1 (full) 3.0 (partial)4.6
OpenCLN/A2.2
VulkanN/A1.3

Pros & cons summary


Recency 24 January 2006 4 January 2023
Maximum RAM amount 256 MB 4 GB
Chip lithography 90 nm 6 nm
Power consumption (TDP) 100 Watt 80 Watt

RX 6550M has an age advantage of 16 years, a 1500% higher maximum VRAM amount, a 1400% more advanced lithography process, and 25% lower power consumption.

We couldn't decide between Radeon X1900 XT and Radeon RX 6550M. We've got no test results to judge.

Be aware that Radeon X1900 XT is a desktop card while Radeon RX 6550M 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 X1900 XT
Radeon X1900 XT
AMD Radeon RX 6550M
Radeon RX 6550M

Comparisons with similar GPUs

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Community ratings

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2.2 29 votes

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4.2 149 votes

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Questions & comments

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