A30X vs A40 PCIe

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Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureAmpere (2020−2024)Ampere (2020−2024)
GPU code nameGA102GA100
Market segmentWorkstationWorkstation
Release date5 October 2020 (4 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 cores107523584
Core clock speed1305 MHz1035 MHz
Boost clock speed1755 MHz1440 MHz
Number of transistors28,300 million54,200 million
Manufacturing process technology8 nm7 nm
Power consumption (TDP)300 Watt230 Watt
Texture fill rate589.7322.6
Floating-point processing power37.74 TFLOPS10.32 TFLOPS
ROPs11296
TMUs336224
Tensor Cores336224
Ray Tracing Cores84no data

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 mm267 mm
Width2-slot2-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 typeGDDR6HBM2e
Maximum RAM amount48 GB24 GB
Memory bus width384 Bit3072 Bit
Memory clock speed1812 MHz1593 MHz
Memory bandwidth695.8 GB/s1,223 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 DisplayPortNo outputs

API compatibility

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

DirectX12 Ultimate (12_2)N/A
Shader Model6.5N/A
OpenGL4.6N/A
OpenCL2.03.0
Vulkan1.2N/A
CUDA8.68.0

Pros & cons summary


Recency 5 October 2020 12 April 2021
Maximum RAM amount 48 GB 24 GB
Chip lithography 8 nm 7 nm
Power consumption (TDP) 300 Watt 230 Watt

A40 PCIe has a 100% higher maximum VRAM amount.

A30X, on the other hand, has an age advantage of 6 months, a 14.3% more advanced lithography process, and 30.4% lower power consumption.

We couldn't decide between A40 PCIe and A30X. 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 A40 PCIe
A40 PCIe
NVIDIA A30X
A30X

Comparisons with similar GPUs

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