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    Mobility Radeon HD 3870 X2 vs Radeon R5 M435

    If you are going to buy a new graphics card and are choosing between Mobility Radeon HD 3870 X2 and Radeon R5 M435, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Mobility Radeon HD 3870 X2 stacks up against Radeon R5 M435, check out specs charts below.
    Mobility Radeon HD 3870 X2 Check Price
    Radeon R5 M435

    Mobility Radeon HD 3870 X2 is a Laptop Graphics Card

    Note: Mobility Radeon HD 3870 X2 is only used in laptop graphics. It has 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 Mobility Radeon HD 3870 X2 here:

    Mobility Radeon HD 3870 X2 Laptops

    Main Specs

      Mobility Radeon HD 3870 X2 Radeon R5 M435
    Power consumption (TDP) 110 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x8
    Memory type GDDR3 GDDR5
    Maximum RAM amount 512 MB 2 GB
    Display Connectors No outputs No outputs
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    • Mobility Radeon HD 3870 X2 is connected by PCIe 2.0 x16, and Radeon R5 M435 uses PCIe 3.0 x8 interface.
    • Mobility Radeon HD 3870 X2 has 510 GB more memory, than Radeon R5 M435.
    • Mobility Radeon HD 3870 X2 is used in Laptops, and Radeon R5 M435 - in Desktops.
    • Mobility Radeon HD 3870 X2 is build with RV6xx architecture, and Radeon R5 M435 - with GCN 1.0.
    • Core clock speed of Radeon R5 M435 is 120 MHz higher, than Mobility Radeon HD 3870 X2.
    • Mobility Radeon HD 3870 X2 is manufactured by 55 nm process technology, and Radeon R5 M435 - by 28 nm process technology.
    • Memory clock speed of Radeon R5 M435 is 3650 MHz higher, than Mobility Radeon HD 3870 X2.

    Game benchmarks

    high / 1080p 6−7 0−1
    ultra / 1080p 4−5 0−1
    QHD / 1440p 0−1 0−1
    low / 720p 16−18 10−12
    medium / 1080p 8−9 2−3
    The average gaming FPS of Mobility Radeon HD 3870 X2 in Assassin's Creed Odyssey is 100% more, than Radeon R5 M435.

    Full Specs

      Mobility Radeon HD 3870 X2 Radeon R5 M435
    Architecture RV6xx GCN 1.0
    Code name M88-XT CF Jet
    Type Laptop Desktop
    Release date 1 September 2008 15 May 2016
    Pipelines 640 320
    Core clock speed 660 MHz 780 MHz
    Boost Clock 1030 MHz
    Transistor count 666 million 690 million
    Manufacturing process technology 55 nm 28 nm
    Texture fill rate 10.56 20.60
    Floating-point performance 2x 422.4 gflops 547.2 gflops
    Memory bus width 256 Bit 64 Bit
    Memory clock speed 850 MHz 4500 MHz
    Memory bandwidth 54.4 GB/s 36 GB/s
    Shared memory -
    DirectX 10.1 (10_1) 12 (11_1)
    Shader Model 4.1 5.1
    OpenGL 3.3 4.6
    OpenCL N/A 1.2
    Vulkan N/A 1.2.131
    Laptop size large
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