RTX A400 vs GeForce 256 DDR

#ad 
Buy on Amazon
VS

Primary details

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

Place in the rankingnot rated417
Place by popularitynot in top-100not in top-100
Power efficiencyno data15.71
ArchitectureCelsius (1999−2005)Ampere (2020−2024)
GPU code nameNV10 A3GA107
Market segmentDesktopWorkstation
Release date23 December 1999 (24 years ago)16 April 2024 (less than a year 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 data768
Core clock speed120 MHz727 MHz
Boost clock speedno data1762 MHz
Number of transistors17 million8,700 million
Manufacturing process technology220 nm8 nm
Power consumption (TDP)no data50 Watt
Texture fill rate0.4842.29
Floating-point processing powerno data2.706 TFLOPS
ROPs416
TMUs424
Tensor Coresno data24
Ray Tracing Coresno data6

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).

InterfaceAGP 4xPCIe 4.0 x8
Lengthno data163 mm
Width1-slot1-slot
Supplementary power connectorsNoneNone

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 typeDDRGDDR6
Maximum RAM amount32 MB4 GB
Memory bus width128 Bit64 Bit
Memory clock speed150 MHz1500 MHz
Memory bandwidth4.8 GB/s96 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 Connectors1x VGA4x mini-DisplayPort 1.4a

API compatibility

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

DirectX7.012 Ultimate (12_2)
Shader Modelno data6.7
OpenGL1.24.6
OpenCLN/A3.0
VulkanN/A1.3
CUDA-8.6

Pros & cons summary


Recency 23 December 1999 16 April 2024
Maximum RAM amount 32 MB 4 GB
Chip lithography 220 nm 8 nm

RTX A400 has an age advantage of 24 years, a 12700% higher maximum VRAM amount, and a 2650% more advanced lithography process.

We couldn't decide between GeForce 256 DDR and RTX A400. We've got no test results to judge.

Be aware that GeForce 256 DDR is a desktop card while RTX A400 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.


NVIDIA GeForce 256 DDR
GeForce 256 DDR
NVIDIA RTX A400
RTX A400

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.


3.4 194 votes

Rate GeForce 256 DDR on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.4 12 votes

Rate RTX A400 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.