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    FirePro V7900 vs Mobility Radeon HD 3870 X2

    When comparing FirePro V7900 and Mobility Radeon HD 3870 X2, 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 FirePro V7900 and Mobility Radeon HD 3870 X2 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    FirePro V7900 Check Price
    Mobility Radeon HD 3870 X2 Check Price

    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

      FirePro V7900 Mobility Radeon HD 3870 X2
    Power consumption (TDP) 151 Watt 110 Watt
    Interface PCIe 2.0 x16 PCIe 2.0 x16
    Supplementary power connectors 1x 6-pin
    Memory type GDDR5 GDDR3
    Maximum RAM amount 2 GB 512 MB
    Display Connectors 4x DisplayPort No outputs
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    • FirePro V7900 has 37% more power consumption, than Mobility Radeon HD 3870 X2.
    • Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
    • Mobility Radeon HD 3870 X2 has 510 GB more memory, than FirePro V7900.
    • FirePro V7900 is used in Desktops, and Mobility Radeon HD 3870 X2 - in Laptops.
    • FirePro V7900 is build with TeraScale 3 architecture, and Mobility Radeon HD 3870 X2 - with RV6xx.
    • Core clock speed of FirePro V7900 is 65 MHz higher, than Mobility Radeon HD 3870 X2.
    • FirePro V7900 is manufactured by 40 nm process technology, and Mobility Radeon HD 3870 X2 - by 55 nm process technology.
    • Memory clock speed of FirePro V7900 is 4150 MHz higher, than Mobility Radeon HD 3870 X2.

    Game benchmarks

    high / 1080p 10−12 6−7
    ultra / 1080p 6−7 4−5
    QHD / 1440p 1−2 0−1
    low / 720p 24−27 16−18
    medium / 1080p 14−16 8−9
    The average gaming FPS of FirePro V7900 in Assassin's Creed Odyssey is 55% more, than Mobility Radeon HD 3870 X2.

    Full Specs

      FirePro V7900 Mobility Radeon HD 3870 X2
    Architecture TeraScale 3 RV6xx
    Code name Cayman M88-XT CF
    Type Workstation Laptop
    Release date 24 May 2011 1 September 2008
    Pipelines 1280 640
    Core clock speed 725 MHz 660 MHz
    Transistor count 2,640 million 666 million
    Manufacturing process technology 40 nm 55 nm
    Texture fill rate 58.00 10.56
    Floating-point performance 1,856.0 gflops 2x 422.4 gflops
    Length 279 mm
    Memory bus width 256 Bit 256 Bit
    Memory clock speed 5000 MHz 850 MHz
    Memory bandwidth 160 GB/s 54.4 GB/s
    Shared memory -
    DirectX 11.2 (11_0) 10.1 (10_1)
    Shader Model 5.0 4.1
    OpenGL 4.4 3.3
    OpenCL 1.2 N/A
    Vulkan N/A N/A
    Bus support PCIe 2.1 x16
    Bitcoin / BTC (SHA256) 171 Mh/s
    Laptop size large
    Form factor full height / full length
    StereoOutput3D +
    DisplayPort count 4
    Dual-link DVI support +
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