Radeon E8870 PCIe vs E9390 PCIe

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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
ArchitectureGCN 4.0 (2016−2020)GCN 2.0 (2013−2017)
GPU code nameEllesmereSaturn
Market segmentLaptopLaptop
Release date15 October 2019 (5 years ago)29 September 2015 (9 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 cores1792768
Core clock speed713 MHz1000 MHz
Boost clock speed1089 MHzno data
Number of transistors5,700 million2,080 million
Manufacturing process technology14 nm28 nm
Power consumption (TDP)75 Watt75 Watt
Texture fill rate122.048.00
Floating-point processing power3.903 TFLOPS1.536 TFLOPS
ROPs3216
TMUs11248

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 3.0 x16PCIe 3.0 x16
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 typeGDDR5GDDR5
Maximum RAM amount8 GB4 GB
Memory bus width256 Bit128 Bit
Memory clock speed1250 MHz1500 MHz
Memory bandwidth160.0 GB/s96 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 Connectors4x DisplayPort4x DisplayPort 1.2

API compatibility

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

DirectX12 (12_0)12 (12_0)
Shader Model6.46.5 (6.0)
OpenGL4.64.6
OpenCL2.02.1
Vulkan1.2.1311.2.170

Pros & cons summary


Recency 15 October 2019 29 September 2015
Maximum RAM amount 8 GB 4 GB
Chip lithography 14 nm 28 nm

E9390 PCIe has an age advantage of 4 years, a 100% higher maximum VRAM amount, and a 100% more advanced lithography process.

We couldn't decide between Radeon E9390 PCIe and Radeon E8870 PCIe. We've got no test results to judge.


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 E9390 PCIe
Radeon E9390 PCIe
AMD Radeon E8870 PCIe
Radeon E8870 PCIe

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