Radeon 780M 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 rated298
Place by popularitynot in top-10047
Power efficiencyno data84.85
ArchitectureAmpere (2020−2024)RDNA 3.0 (2022−2024)
GPU code nameGA102Hawx Point
Market segmentWorkstationLaptop
Release date5 October 2020 (4 years ago)6 December 2023 (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 cores10752768
Core clock speed1305 MHz800 MHz
Boost clock speed1755 MHz2700 MHz
Number of transistors28,300 million25,390 million
Manufacturing process technology8 nm4 nm
Power consumption (TDP)300 Watt15 Watt
Texture fill rate589.7129.6
Floating-point processing power37.74 TFLOPS8.294 TFLOPS
ROPs11232
TMUs33648
Tensor Cores336no data
Ray Tracing Cores8412

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 mmno data
Width2-slotno data
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 typeGDDR6System Shared
Maximum RAM amount48 GBSystem Shared
Memory bus width384 BitSystem Shared
Memory clock speed1812 MHzSystem Shared
Memory bandwidth695.8 GB/sno data
Shared memory-+

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 DisplayPortPortable Device Dependent

API compatibility

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

DirectX12 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.56.8
OpenGL4.64.6
OpenCL2.02.1
Vulkan1.21.3
CUDA8.6-

Pros & cons summary


Recency 5 October 2020 6 December 2023
Chip lithography 8 nm 4 nm
Power consumption (TDP) 300 Watt 15 Watt

Radeon 780M has an age advantage of 3 years, a 100% more advanced lithography process, and 1900% lower power consumption.

We couldn't decide between A40 PCIe and Radeon 780M. We've got no test results to judge.

Be aware that A40 PCIe is a workstation card while Radeon 780M 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 A40 PCIe
A40 PCIe
AMD Radeon 780M
Radeon 780M

Comparisons with similar GPUs

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Community ratings

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4.6 88 votes

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4.2 1472 votes

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Questions & comments

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