RTX A4000 Mobile vs ATI Radeon X1650 XT Dual

Primary details

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

Place in the rankingnot rated105
Place by popularitynot in top-100not in top-100
Power efficiencyno data24.20
ArchitectureR500 (2005−2007)Ampere (2020−2024)
GPU code nameRV560GA104
Market segmentDesktopMobile workstation
Release date30 October 2006 (18 years ago)12 April 2021 (3 years 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 data5120
Core clock speed525 MHz1140 MHz
Boost clock speedno data1680 MHz
Number of transistors330 million17,400 million
Manufacturing process technology80 nm8 nm
Power consumption (TDP)no data115 Watt
Texture fill rate4.200268.8
Floating-point processing powerno data17.2 TFLOPS
ROPs880
TMUs8160
Tensor Coresno data160
Ray Tracing Coresno data40

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
Width1-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 MB8 GB
Memory bus width128 Bit256 Bit
Memory clock speed700 MHz1500 MHz
Memory bandwidth22.4 GB/s384.0 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 DVIPortable 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
OpenGL2.04.6
OpenCLN/A3.0
VulkanN/A1.3
CUDA-8.6

Pros & cons summary


Recency 30 October 2006 12 April 2021
Maximum RAM amount 256 MB 8 GB
Chip lithography 80 nm 8 nm

RTX A4000 Mobile has an age advantage of 14 years, a 3100% higher maximum VRAM amount, and a 900% more advanced lithography process.

We couldn't decide between Radeon X1650 XT Dual and RTX A4000 Mobile. We've got no test results to judge.

Be aware that Radeon X1650 XT Dual is a desktop card while RTX A4000 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 X1650 XT Dual
Radeon X1650 XT Dual
NVIDIA RTX A4000 Mobile
RTX A4000 Mobile

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Community ratings

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4.3 21 vote

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