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    GeForce GTX 275 vs Radeon R9 M390X

    When comparing GeForce GTX 275 and Radeon R9 M390X, 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 GeForce GTX 275 and Radeon R9 M390X is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    GeForce GTX 275 Check Price
    Radeon R9 M390X Check Price

    Radeon R9 M390X is a Laptop Graphics Card

    Note: Radeon R9 M390X 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 Radeon R9 M390X here:

    Radeon R9 M390X Laptops

    Main Specs

      GeForce GTX 275 Radeon R9 M390X
    Power consumption (TDP) 219 Watt 100 Watt
    Interface PCIe 2.0 x16 PCIe 3.0 x16
    Supplementary power connectors 2x 6-pin None
    Memory type GDDR3 GDDR5
    Maximum RAM amount 896 MB 4 GB
    Display Connectors 2x DVI No outputs
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    • GeForce GTX 275 has 119% more power consumption, than Radeon R9 M390X.
    • GeForce GTX 275 is connected by PCIe 2.0 x16, and Radeon R9 M390X uses PCIe 3.0 x16 interface.
    • GeForce GTX 275 has 892 GB more memory, than Radeon R9 M390X.
    • GeForce GTX 275 is used in Desktops, and Radeon R9 M390X - in Laptops.
    • GeForce GTX 275 is build with Tesla 2.0 architecture, and Radeon R9 M390X - with GCN 3.
    • Core clock speed of GeForce GTX 275 is 681 MHz higher, than Radeon R9 M390X.
    • GeForce GTX 275 is manufactured by 55 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 8−9 27−30
    The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 188% more, than GeForce GTX 275.

    Full Specs

      GeForce GTX 275 Radeon R9 M390X
    Architecture Tesla 2.0 GCN 3
    Code name GT200B Amethyst (XT) / Tonga
    Type Desktop Laptop
    Release date 15 January 2009 9 June 2015
    Pipelines 240 2048
    Core clock speed 1404 MHz 723 MHz
    Transistor count 1,400 million 5,000 million
    Manufacturing process technology 55 nm 28 nm
    Texture fill rate 50.6 billion/sec 92.54
    Floating-point performance 673.9 gflops 2,961 gflops
    Length 10.5" (267 mm) (26.7 cm)
    Memory bus width 448 Bit 256 Bit
    Memory clock speed 1134 MHz
    Memory bandwidth 127.0 GB/s 160.0 GB/s
    Shared memory -
    DirectX 11.1 (10_0)
    Shader Model 4.0 6.3
    OpenGL 3.0 4.4
    OpenCL 1.1 Not Listed
    Vulkan N/A +
    CUDA +
    FreeSync +
    CUDA cores 240
    Bus support PCI-E 2.0 PCIe 3.0
    Height 4.376" (111 mm) (11.1 cm)
    SLI options +
    Multi monitor support +
    Maximum VGA resolution 2048x1536
    Audio input for HDMI S/PDIF
    Laptop size large
    Eyefinity +
    HD3D +
    PowerTune +
    DualGraphics +
    ZeroCore +
    Switchable graphics +
    Mantle +
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