RTX 4000 Ada Generation vs A800 PCIe 40 GB

Primary details

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

Place in the rankingnot rated29
Place by popularitynot in top-100not in top-100
Power efficiencyno data34.32
ArchitectureAmpere (2020−2024)Ada Lovelace (2022−2024)
GPU code nameGA100AD104
Market segmentWorkstationWorkstation
Release date8 November 2022 (2 years ago)9 August 2023 (1 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 cores69126144
Core clock speed765 MHz1500 MHz
Boost clock speed1410 MHz2175 MHz
Number of transistors54,200 million35,800 million
Manufacturing process technology7 nm5 nm
Power consumption (TDP)250 Watt130 Watt
Texture fill rate609.1417.6
Floating-point processing power19.49 TFLOPS26.73 TFLOPS
ROPs16080
TMUs432192
Tensor Cores432192
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 4.0 x16PCIe 4.0 x16
Length267 mm245 mm
Width2-slot1-slot
Supplementary power connectors8-pin EPS1x 16-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 typeHBM2eGDDR6
Maximum RAM amount40 GB20 GB
Memory bus width5120 Bit160 Bit
Memory clock speed1215 MHz2250 MHz
Memory bandwidth1,555 GB/s360.0 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 ConnectorsNo outputs4x mini-DisplayPort 1.4a

API compatibility

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

DirectXN/A12 Ultimate (12_2)
Shader ModelN/A6.8
OpenGLN/A4.6
OpenCL3.03.0
VulkanN/A1.3
CUDA8.08.9

Pros & cons summary


Recency 8 November 2022 9 August 2023
Maximum RAM amount 40 GB 20 GB
Chip lithography 7 nm 5 nm
Power consumption (TDP) 250 Watt 130 Watt

A800 PCIe 40 GB has a 100% higher maximum VRAM amount.

RTX 4000 Ada Generation, on the other hand, has an age advantage of 9 months, a 40% more advanced lithography process, and 92.3% lower power consumption.

We couldn't decide between A800 PCIe 40 GB and RTX 4000 Ada Generation. We've got no test results to judge.


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

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NVIDIA A800 PCIe 40 GB
A800 PCIe 40 GB
NVIDIA RTX 4000 Ada Generation
RTX 4000 Ada Generation

Comparisons with similar GPUs

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Community ratings

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3.7 42 votes

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