Radeon E8870 MXM vs 780M

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Primary details

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

Place in the ranking300not rated
Place by popularity46not in top-100
ArchitectureRDNA 3 (2022−2023)GCN 2.0 (2013−2017)
GPU code namePhoenixSaturn
Market segmentLaptopDesktop
Release date5 January 2023 (1 year ago)29 September 2015 (8 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 cores768768
Core clock speed1500 MHz1000 MHz
Boost clock speed3000 MHzno data
Number of transistors25,390 million2,080 million
Manufacturing process technology4 nm28 nm
Power consumption (TDP)54 Watt (35 - 54 Watt TGP)75 Watt
Texture fill rate139.248.00
Floating-point processing power8.909 gflops1.536 gflops

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 x8MXM-B (3.0)
Widthno dataMXM Module
Supplementary power connectorsNoneNone

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 typeno dataGDDR5
Maximum RAM amountSystem Shared4 GB
Memory bus widthno data128 Bit
Memory clock speedno data6 GB/s
Memory bandwidthno data96 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 ConnectorsPortable Device DependentPortable Device Dependent

API compatibility

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

DirectX12 Ultimate (12_2)12 (12_0)
Shader Model6.76.5 (6.0)
OpenGL4.64.6
OpenCL2.12.1
Vulkan1.31.2.170

Pros & cons summary


Recency 5 January 2023 29 September 2015
Chip lithography 4 nm 28 nm
Power consumption (TDP) 54 Watt 75 Watt

Radeon 780M has an age advantage of 7 years, a 600% more advanced lithography process, and 38.9% lower power consumption.

We couldn't decide between Radeon 780M and Radeon E8870 MXM. We've got no test results to judge.

Be aware that Radeon 780M is a notebook card while Radeon E8870 MXM 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 780M
Radeon 780M
AMD Radeon E8870 MXM
Radeon E8870 MXM

Comparisons with similar GPUs

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Community ratings

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