RTX A4500 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 rated46
Place by popularitynot in top-100not in top-100
Power efficiencyno data19.23
ArchitectureAmpere (2020−2024)Ampere (2020−2024)
GPU code nameGA102GA102
Market segmentWorkstationWorkstation
Release date5 October 2020 (4 years ago)23 November 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 cores107527168
Core clock speed1305 MHz1050 MHz
Boost clock speed1755 MHz1650 MHz
Number of transistors28,300 million28,300 million
Manufacturing process technology8 nm8 nm
Power consumption (TDP)300 Watt200 Watt
Texture fill rate589.7369.6
Floating-point processing power37.74 TFLOPS23.65 TFLOPS
ROPs11296
TMUs336224
Tensor Cores336224
Ray Tracing Cores8456

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 mm267 mm
Width2-slot2-slot
Supplementary power connectors8-pin EPS1x 8-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 typeGDDR6GDDR6
Maximum RAM amount48 GB20 GB
Memory bus width384 Bit320 Bit
Memory clock speed1812 MHz2000 MHz
Memory bandwidth695.8 GB/s640.0 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 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 23 November 2021
Maximum RAM amount 48 GB 20 GB
Power consumption (TDP) 300 Watt 200 Watt

A40 PCIe has a 140% higher maximum VRAM amount.

RTX A4500, on the other hand, has an age advantage of 1 year, and 50% lower power consumption.

We couldn't decide between A40 PCIe and RTX A4500. 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 RTX A4500
RTX A4500

Comparisons with similar GPUs

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Community ratings

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4.6 88 votes

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3.7 194 votes

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Questions & comments

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