A100 PCIe 80 GB vs Radeon HD 8790M

Primary details

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

Place in the ranking727not rated
Place by popularitynot in top-100not in top-100
ArchitectureGCN 1.0 (2011−2020)Ampere (2020−2024)
GPU code nameMarsGA100
Market segmentLaptopWorkstation
Release date1 April 2013 (11 years ago)28 June 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 cores3846912
Core clock speed850 MHz1065 MHz
Boost clock speed900 MHz1410 MHz
Number of transistors950 million54,200 million
Manufacturing process technology28 nm7 nm
Power consumption (TDP)unknown250 Watt
Texture fill rate21.60609.1
Floating-point processing power0.6912 TFLOPS19.49 TFLOPS
ROPs8160
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).

Laptop sizemedium sizedno data
InterfaceMXM-A (3.0)PCIe 4.0 x16
Lengthno data267 mm
Widthno data2-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 amount2 GB80 GB
Memory bus width128 Bit5120 Bit
Memory clock speed1000 MHz1593 MHz
Memory bandwidth64 GB/s2,039 GB/s
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 ConnectorsNo outputsNo outputs

API compatibility

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

DirectX12 (11_1)N/A
Shader Model5.1N/A
OpenGL4.6N/A
OpenCL1.23.0
Vulkan1.2.131N/A
CUDA-8.0

Pros & cons summary


Recency 1 April 2013 28 June 2021
Maximum RAM amount 2 GB 80 GB
Chip lithography 28 nm 7 nm

A100 PCIe 80 GB has an age advantage of 8 years, a 3900% higher maximum VRAM amount, and a 300% more advanced lithography process.

We couldn't decide between Radeon HD 8790M and A100 PCIe 80 GB. We've got no test results to judge.

Be aware that Radeon HD 8790M is a notebook card while A100 PCIe 80 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 HD 8790M
Radeon HD 8790M
NVIDIA A100 PCIe 80 GB
A100 PCIe 80 GB

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Community ratings

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3.3 329 votes

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3.3 68 votes

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