RTX A4000 vs ATI Radeon X1650 XT Dual

VS

Primary details

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

Place in the rankingnot rated56
Place by popularitynot in top-100not in top-100
Power efficiencyno data25.09
ArchitectureR500 (2005−2007)Ampere (2020−2024)
GPU code nameRV560GA104
Market segmentDesktopWorkstation
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 data6144
Core clock speed525 MHz735 MHz
Boost clock speedno data1560 MHz
Number of transistors330 million17,400 million
Manufacturing process technology80 nm8 nm
Power consumption (TDP)no data140 Watt
Texture fill rate4.200299.5
Floating-point processing powerno data19.17 TFLOPS
ROPs896
TMUs8192
Tensor Coresno data192
Ray Tracing Coresno data48

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
Lengthno data241 mm
Width1-slot1-slot
Supplementary power connectors1x 6-pin1x 6-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 amount256 MB16 GB
Memory bus width128 Bit256 Bit
Memory clock speed700 MHz1750 MHz
Memory bandwidth22.4 GB/s448.0 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 DVI4x 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
OpenGL2.04.6
OpenCLN/A3.0
VulkanN/A1.3
CUDA-8.6

Pros & cons summary


Recency 30 October 2006 12 April 2021
Maximum RAM amount 256 MB 16 GB
Chip lithography 80 nm 8 nm

RTX A4000 has an age advantage of 14 years, a 6300% higher maximum VRAM amount, and a 900% more advanced lithography process.

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

Be aware that Radeon X1650 XT Dual is a desktop card while RTX A4000 is a workstation one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


ATI Radeon X1650 XT Dual
Radeon X1650 XT Dual
NVIDIA RTX A4000
RTX A4000

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


No user ratings yet.

Rate Radeon X1650 XT Dual on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4 631 vote

Rate RTX A4000 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.