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    Radeon HD 7870M vs Radeon Pro Vega 20

    When comparing Radeon HD 7870M and Radeon Pro Vega 20, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Radeon HD 7870M and Radeon Pro Vega 20 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    Radeon HD 7870M Check Price
    Radeon Pro Vega 20 Check Price

    Radeon HD 7870M and Radeon Pro Vega 20 are Laptop Graphics Cards

    Note: Radeon HD 7870M and Radeon Pro Vega 20 are only used in laptop graphics. They have lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon HD 7870M or Radeon Pro Vega 20 here:

    Radeon HD 7870M Laptops
    Radeon Pro Vega 20 Laptops

    Main Specs

      Radeon HD 7870M Radeon Pro Vega 20
    Power consumption (TDP) 45 Watt 100 Watt
    Interface PCIe 3.0 x16 PCIe 3.0 x16
    Supplementary power connectors 1x 6-pin + 1x 8-pin
    Memory type GDDR5 HBM2
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs No outputs
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    • Radeon Pro Vega 20 has 122% more power consumption, than Radeon HD 7870M.
    • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
    • Radeon Pro Vega 20 has 2 GB more memory, than Radeon HD 7870M.
    • Radeon HD 7870M is used in Laptops, and Radeon Pro Vega 20 - in Mobile workstations.
    • Radeon HD 7870M is build with GCN architecture, and Radeon Pro Vega 20 - with Vega.
    • Core clock speed of Radeon Pro Vega 20 is 15 MHz higher, than Radeon HD 7870M.
    • Radeon HD 7870M is manufactured by 28 nm process technology, and Radeon Pro Vega 20 - by 14 nm process technology.
    • Memory clock speed of Radeon HD 7870M is 2520 MHz higher, than Radeon Pro Vega 20.

    Game benchmarks

    high / 1080p 6−7 35−40
    ultra / 1080p 4−5 21−24
    QHD / 1440p 0−1 16−18
    4K / 2160p − 10−11
    low / 720p 16−18 60−65
    medium / 1080p 8−9 40−45
    The average gaming FPS of Radeon Pro Vega 20 in Assassin's Creed Odyssey is 355% more, than Radeon HD 7870M.

    Full Specs

      Radeon HD 7870M Radeon Pro Vega 20
    Architecture GCN Vega
    Code name Heathrow XT Vega Mobile
    Type Laptop Mobile workstation
    Release date 24 April 2012 15 November 2018
    Pipelines 640 1280
    Core clock speed 800 MHz 815 MHz
    Boost Clock 1283 MHz
    Transistor count 1,500 million
    Manufacturing process technology 28 nm 14 nm
    Texture fill rate 32.00 102.6
    Floating-point performance 1,024 gflops
    Memory bus width 128 Bit 1024 Bit
    Memory clock speed 4000 MHz 1480 MHz
    Memory bandwidth 64 GB/s 189.4 GB/s
    Shared memory - -
    DirectX 12 (11_1) 12 (12_1)
    Shader Model 5.1 6.3
    OpenGL 4.6 4.6
    OpenCL 1.2 2.0
    Vulkan 1.2.131 1.2.131
    Laptop size large large
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