Radeon 780M vs HD 8590M

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 data84.29
ArchitectureGCN 1.0 (2011−2020)RDNA 3.0 (2022−2024)
GPU code nameSunPhoenix
Market segmentLaptopDesktop
Release date1 March 2013 (11 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 cores320768
Core clock speed750 MHz800 MHz
Boost clock speed825 MHz2700 MHz
Number of transistors690 million25,390 million
Manufacturing process technology28 nm4 nm
Power consumption (TDP)no data15 Watt
Texture fill rate16.50129.6
Floating-point processing power0.528 TFLOPS8.294 TFLOPS
ROPs832
TMUs2048
Ray Tracing Coresno data12

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
InterfacePCIe 3.0 x8PCIe 4.0 x8
Widthno dataIGP
Supplementary power connectorsno dataNone

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 typeGDDR5System Shared
Maximum RAM amount1 GBSystem Shared
Memory bus width64 BitSystem Shared
Memory clock speed1125 MHzSystem Shared
Memory bandwidth36 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 ConnectorsNo outputsPortable Device Dependent

API compatibility

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

DirectX12 (11_1)12 Ultimate (12_2)
Shader Model5.16.7
OpenGL4.64.6
OpenCL1.22.1
Vulkan1.2.1311.3

Pros & cons summary


Recency 1 March 2013 6 December 2023
Chip lithography 28 nm 4 nm

Radeon 780M has an age advantage of 10 years, and a 600% more advanced lithography process.

We couldn't decide between Radeon HD 8590M and Radeon 780M. We've got no test results to judge.

Be aware that Radeon HD 8590M is a notebook card while Radeon 780M is a desktop 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 8590M
Radeon HD 8590M
AMD Radeon 780M
Radeon 780M

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


2.3 3 votes

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4.2 1458 votes

Rate Radeon 780M on a scale of 1 to 5:

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Questions & comments

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