RTX A1000 vs RTX A40

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Primary details

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

Place in the rankingnot rated192
Place by popularitynot in top-100not in top-100
Power efficiencyno data39.86
ArchitectureAmpere (2020−2024)Ampere (2020−2024)
GPU code nameGA102GA107
Market segmentWorkstationWorkstation
Release date5 October 2020 (4 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 cores107522304
Core clock speed1305 MHz727 MHz
Boost clock speed1755 MHz1462 MHz
Number of transistors28,300 million8,700 million
Manufacturing process technology8 nm8 nm
Power consumption (TDP)300 Watt50 Watt
Texture fill rate589.7105.3
Floating-point processing power37.74 TFLOPS6.737 TFLOPS
ROPs11232
TMUs33672
Tensor Cores33672
Ray Tracing Cores8418

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 x8
Length267 mm163 mm
Width2-slot1-slot
Supplementary power connectors8-pin EPSNone

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 typeGDDR6GDDR6
Maximum RAM amount48 GB8 GB
Memory bus width384 Bit128 Bit
Memory clock speed1812 MHz1500 MHz
Memory bandwidth695.8 GB/s192.0 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 Connectors3x DisplayPort4x mini-DisplayPort 1.4a

API compatibility

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

DirectX12 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.56.7
OpenGL4.64.6
OpenCL2.03.0
Vulkan1.21.3
CUDA8.68.6

Pros & cons summary


Recency 5 October 2020 16 April 2024
Maximum RAM amount 48 GB 8 GB
Power consumption (TDP) 300 Watt 50 Watt

RTX A40 has a 500% higher maximum VRAM amount.

RTX A1000, on the other hand, has an age advantage of 3 years, and 500% lower power consumption.

We couldn't decide between RTX A40 and RTX A1000. 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 RTX A40
RTX A40
NVIDIA RTX A1000
RTX A1000

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Community ratings

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


1.4 394 votes

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2.6 14 votes

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Questions & comments

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