A800 PCIe 40 GB vs Radeon 540

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Primary details

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

Place in the ranking712not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.10no data
Power efficiency4.98no data
ArchitectureGCN 4.0 (2016−2020)Ampere (2020−2024)
GPU code nameLexaGA100
Market segmentDesktopWorkstation
Release date20 April 2017 (7 years ago)8 November 2022 (1 year ago)
Launch price (MSRP)$79 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores3846912
Core clock speed1183 MHz765 MHz
Boost clock speed1124 MHz1410 MHz
Number of transistors2,200 million54,200 million
Manufacturing process technology14 nm7 nm
Power consumption (TDP)50 Watt250 Watt
Texture fill rate28.39609.1
Floating-point processing power0.9085 TFLOPS19.49 TFLOPS
ROPs16160
TMUs24432
Tensor Coresno data432

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 3.0 x8PCIe 4.0 x16
Length145 mm267 mm
Width1-slot2-slot
Supplementary power connectorsNone8-pin EPS

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 typeGDDR5HBM2e
Maximum RAM amount1 GB40 GB
Memory bus width32 Bit5120 Bit
Memory clock speed1500 MHz1215 MHz
Memory bandwidth24 GB/s1,555 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 Connectors2x DisplayPort 1.4aNo outputs

API compatibility

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

DirectX12 (12_0)N/A
Shader Model6.7N/A
OpenGL4.6N/A
OpenCL2.13.0
Vulkan1.3N/A
CUDA-8.0

Pros & cons summary


Recency 20 April 2017 8 November 2022
Maximum RAM amount 1 GB 40 GB
Chip lithography 14 nm 7 nm
Power consumption (TDP) 50 Watt 250 Watt

Radeon 540 has 400% lower power consumption.

A800 PCIe 40 GB, on the other hand, has an age advantage of 5 years, a 3900% higher maximum VRAM amount, and a 100% more advanced lithography process.

We couldn't decide between Radeon 540 and A800 PCIe 40 GB. We've got no test results to judge.

Be aware that Radeon 540 is a desktop card while A800 PCIe 40 GB is a workstation one.


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

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AMD Radeon 540
Radeon 540
NVIDIA A800 PCIe 40 GB
A800 PCIe 40 GB

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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