RTX A4000 Mobile vs ATI Graphics Ultra Pro ISA

VS

Primary details

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

Place in the rankingnot rated106
Place by popularitynot in top-100not in top-100
Power efficiencyno data23.94
ArchitectureMach (1992−1997)Ampere (2020−2024)
GPU code nameMach32GA104
Market segmentDesktopMobile workstation
Release date1992 (32 years ago)12 April 2021 (3 years ago)
Launch price (MSRP)$799 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 data5120
Core clock speed10 MHz1140 MHz
Boost clock speedno data1680 MHz
Number of transistorsno data17,400 million
Manufacturing process technology700 nm8 nm
Power consumption (TDP)no data115 Watt
Texture fill rateno data268.8
Floating-point processing powerno data17.2 TFLOPS
ROPs180
TMUsno data160
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
InterfaceISA 16 BitPCIe 4.0 x16
Width1-slotno 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 typeDRAMGDDR6
Maximum RAM amount2 MB8 GB
Memory bus width64 Bit256 Bit
Memory clock speed10 MHz1500 MHz
Memory bandwidth80 MB/s384.0 GB/s
Shared memoryno data-

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 Connectors1x VGAPortable Device Dependent

API compatibility

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

DirectXN/A12 Ultimate (12_2)
Shader Modelno data6.7
OpenGLN/A4.6
OpenCLN/A3.0
VulkanN/A1.3
CUDA-8.6

Pros & cons summary


Maximum RAM amount 2 MB 8 GB
Chip lithography 700 nm 8 nm

RTX A4000 Mobile has a 409500% higher maximum VRAM amount, and a 8650% more advanced lithography process.

We couldn't decide between Graphics Ultra Pro ISA and RTX A4000 Mobile. We've got no test results to judge.

Be aware that Graphics Ultra Pro ISA 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.

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 Graphics Ultra Pro ISA
Graphics Ultra Pro ISA
NVIDIA RTX A4000 Mobile
RTX A4000 Mobile

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 Graphics Ultra Pro ISA on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.3 21 vote

Rate RTX A4000 Mobile 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.