RTX A2000 Mobile vs ATI Radeon X1900 XT

Primary details

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

Place in the rankingnot rated209
Place by popularitynot in top-100not in top-100
Power efficiencyno data18.88
ArchitectureR500 (2005−2007)Ampere (2020−2024)
GPU code nameR580GA106
Market segmentDesktopMobile workstation
Release date24 January 2006 (18 years ago)12 April 2021 (3 years 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 data2560
Core clock speed625 MHz893 MHz
Boost clock speedno data1358 MHz
Number of transistors384 million13,250 million
Manufacturing process technology90 nm8 nm
Power consumption (TDP)100 Watt95 Watt
Texture fill rate10.00108.6
Floating-point processing powerno data6.953 TFLOPS
ROPs1648
TMUs1680
Tensor Coresno data80
Ray Tracing Coresno data20

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 datalarge
InterfacePCIe 1.0 x16PCIe 4.0 x16
Length242 mmno data
Width2-slotno data
Supplementary power connectors1x 6-pinno data

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 Bit128 Bit
Memory clock speed725 MHz1375 MHz
Memory bandwidth46.4 GB/s176.0 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-VideoNo outputs

API compatibility

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

DirectX9.0c (9_3)12 Ultimate (12_2)
Shader Model3.06.6
OpenGL2.1 (full) 3.0 (partial)4.6
OpenCLN/A3.0
VulkanN/A1.2
CUDA-8.6

Pros & cons summary


Recency 24 January 2006 12 April 2021
Maximum RAM amount 256 MB 4 GB
Chip lithography 90 nm 8 nm
Power consumption (TDP) 100 Watt 95 Watt

RTX A2000 Mobile has an age advantage of 15 years, a 1500% higher maximum VRAM amount, a 1025% more advanced lithography process, and 5.3% lower power consumption.

We couldn't decide between Radeon X1900 XT and RTX A2000 Mobile. We've got no test results to judge.

Be aware that Radeon X1900 XT is a desktop card while RTX A2000 Mobile is a mobile 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 XT
Radeon X1900 XT
NVIDIA RTX A2000 Mobile
RTX A2000 Mobile

Comparisons with similar GPUs

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Community ratings

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2.4 31 vote

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3.8 92 votes

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Questions & comments

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