Radeon 520 Mobile GDDR5 vs A800 PCIe 40 GB

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)GCN 1.0 (2011−2020)
GPU code nameGA100Banks
Market segmentWorkstationLaptop
Release date8 November 2022 (2 years ago)18 April 2017 (7 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 cores6912320
Core clock speed765 MHz1030 MHz
Boost clock speed1410 MHzno data
Number of transistors54,200 million690 million
Manufacturing process technology7 nm28 nm
Power consumption (TDP)250 Watt50 Watt
Texture fill rate609.120.60
Floating-point processing power19.49 TFLOPS0.6592 TFLOPS
ROPs1608
TMUs43220
Tensor Cores432no 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 3.0 x8
Length267 mmno data
Width2-slotno data
Supplementary power connectors8-pin EPSno data

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 typeHBM2eGDDR5
Maximum RAM amount40 GB2 GB
Memory bus width5120 Bit64 Bit
Memory clock speed1215 MHz1125 MHz
Memory bandwidth1,555 GB/s36 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 outputsPortable Device Dependent

API compatibility

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

DirectXN/A12 (11_1)
Shader ModelN/A6.5 (5.1)
OpenGLN/A4.6
OpenCL3.02.1 (1.2)
VulkanN/A1.2.170
CUDA8.0-

Pros & cons summary


Recency 8 November 2022 18 April 2017
Maximum RAM amount 40 GB 2 GB
Chip lithography 7 nm 28 nm
Power consumption (TDP) 250 Watt 50 Watt

A800 PCIe 40 GB has an age advantage of 5 years, a 1900% higher maximum VRAM amount, and a 300% more advanced lithography process.

520 Mobile GDDR5, on the other hand, has 400% lower power consumption.

We couldn't decide between A800 PCIe 40 GB and Radeon 520 Mobile GDDR5. We've got no test results to judge.

Be aware that A800 PCIe 40 GB is a workstation card while Radeon 520 Mobile GDDR5 is a notebook 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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NVIDIA A800 PCIe 40 GB
A800 PCIe 40 GB
AMD Radeon 520 Mobile GDDR5
Radeon 520 Mobile GDDR5

Comparisons with similar GPUs

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Community ratings

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5 1 vote

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4.1 12 votes

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Questions & comments

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