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    GeForce 8800M GTX SLI vs Radeon R9 M390X

    If you are going to buy a new graphics card and are choosing between GeForce 8800M GTX SLI and Radeon R9 M390X, 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 GeForce 8800M GTX SLI stacks up against Radeon R9 M390X, check out specs charts below.
    GeForce 8800M GTX SLI Check Price
    Radeon R9 M390X Check Price

    GeForce 8800M GTX SLI and Radeon R9 M390X are Laptop Graphics Cards

    Note: GeForce 8800M GTX SLI and Radeon R9 M390X 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 GeForce 8800M GTX SLI or Radeon R9 M390X here:

    GeForce 8800M GTX SLI Laptops
    Radeon R9 M390X Laptops

    Main Specs

      GeForce 8800M GTX SLI Radeon R9 M390X
    Power consumption (TDP) 130 Watt 100 Watt
    Interface PCIe 3.0 x16
    Supplementary power connectors None
    Memory type GDDR3 GDDR5
    Maximum RAM amount 512 MB 4 GB
    Display Connectors No outputs
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    • GeForce 8800M GTX SLI has 30% more power consumption, than Radeon R9 M390X.
    • GeForce 8800M GTX SLI has 508 GB more memory, than Radeon R9 M390X.
    • Both cards are used in Laptops.
    • GeForce 8800M GTX SLI is build with G9x architecture, and Radeon R9 M390X - with GCN 3.
    • Core clock speed of Radeon R9 M390X is 223 MHz higher, than GeForce 8800M GTX SLI.
    • GeForce 8800M GTX SLI is manufactured by 65 nm process technology, and Radeon R9 M390X - by 28 nm process technology.

    Game benchmarks

    high / 1080p 6−7 21−24
    ultra / 1080p 4−5 12−14
    QHD / 1440p 0−1 8−9
    4K / 2160p − 5−6
    low / 720p 16−18 40−45
    medium / 1080p 7−8 27−30
    The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 225% more, than GeForce 8800M GTX SLI.

    Full Specs

      GeForce 8800M GTX SLI Radeon R9 M390X
    Architecture G9x GCN 3
    Code name NB8E-GTX Amethyst (XT) / Tonga
    Type Laptop Laptop
    Release date 19 November 2007 9 June 2015
    Pipelines 192 2048
    Core clock speed 500 MHz 723 MHz
    Transistor count 1508 Million 5,000 million
    Manufacturing process technology 65 nm 28 nm
    Texture fill rate 92.54
    Floating-point performance 2,961 gflops
    Memory bus width 256 Bit 256 Bit
    Memory clock speed 800 MHz
    Memory bandwidth 160.0 GB/s
    Shared memory - -
    DirectX DirectX 10, Shader 4.0
    Shader Model 6.3
    OpenGL 4.4
    OpenCL Not Listed
    Vulkan +
    FreeSync +
    Bus support PCIe 3.0
    Laptop size large large
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
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