RTX A5500 vs ATI Radeon X1900 XTX

Primary details

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

Place in the rankingnot rated42
Place by popularitynot in top-100not in top-100
Power efficiencyno data17.39
ArchitectureR500 (2005−2007)Ampere (2020−2024)
GPU code nameR580GA102
Market segmentDesktopWorkstation
Release date24 January 2006 (18 years ago)22 March 2022 (2 years ago)
Launch price (MSRP)$399 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 data10240
Core clock speed650 MHz1080 MHz
Boost clock speedno data1665 MHz
Number of transistors384 million28,300 million
Manufacturing process technology90 nm8 nm
Power consumption (TDP)135 Watt230 Watt
Texture fill rate10.40532.8
Floating-point processing powerno data34.1 TFLOPS
ROPs1696
TMUs16320
Tensor Coresno data320
Ray Tracing Coresno data80

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).

InterfacePCIe 1.0 x16PCIe 4.0 x16
Length242 mm267 mm
Width2-slot2-slot
Supplementary power connectors1x 6-pin1x 8-pin

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 amount512 MB24 GB
Memory bus width256 Bit384 Bit
Memory clock speed775 MHz2000 MHz
Memory bandwidth49.6 GB/s768.0 GB/s

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-Video4x DisplayPort 1.4a

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/A3.0
VulkanN/A1.3
CUDA-8.6

Pros & cons summary


Recency 24 January 2006 22 March 2022
Maximum RAM amount 512 MB 24 GB
Chip lithography 90 nm 8 nm
Power consumption (TDP) 135 Watt 230 Watt

ATI X1900 XTX has 70.4% lower power consumption.

RTX A5500, on the other hand, has an age advantage of 16 years, a 4700% higher maximum VRAM amount, and a 1025% more advanced lithography process.

We couldn't decide between Radeon X1900 XTX and RTX A5500. We've got no test results to judge.

Be aware that Radeon X1900 XTX is a desktop card while RTX A5500 is a workstation 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 XTX
Radeon X1900 XTX
NVIDIA RTX A5500
RTX A5500

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Community ratings

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3.4 9 votes

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3.1 49 votes

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Questions & comments

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