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    GeForce GTX 660M vs Radeon R9 290X

    Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660M and Radeon R9 290X. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce GTX 660M and Radeon R9 290X. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
    GeForce GTX 660M Check Price
    Radeon R9 290X Check Price

    GeForce GTX 660M is a Laptop Graphics Card

    Note: GeForce GTX 660M 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 GeForce GTX 660M here:

    GeForce GTX 660M Laptops

    Main Specs

      GeForce GTX 660M Radeon R9 290X
    Power consumption (TDP) 50 Watt 250 Watt
    Interface MXM-B (3.0) PCIe 3.0 x16
    Supplementary power connectors 1 x 6-pin + 1 x 8-pin
    Memory type GDDR5 GDDR5
    Maximum RAM amount 2 GB 4 GB
    Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
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    • Radeon R9 290X has 400% more power consumption, than GeForce GTX 660M.
    • GeForce GTX 660M is connected by MXM-B (3.0), and Radeon R9 290X uses PCIe 3.0 x16 interface.
    • Radeon R9 290X has 2 GB more memory, than GeForce GTX 660M.
    • GeForce GTX 660M is used in Laptops, and Radeon R9 290X - in Desktops.
    • GeForce GTX 660M is build with Kepler architecture, and Radeon R9 290X - with GCN.
    • GeForce GTX 660M and Radeon R9 290X are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce GTX 660M is 750 MHz higher, than Radeon R9 290X.

    Game benchmarks

    high / 1080p 6−7 35−40
    ultra / 1080p 4−5 24−27
    QHD / 1440p 0−1 18−20
    4K / 2160p − 10−11
    low / 720p 16−18 60−65
    medium / 1080p 8−9 45−50
    The average gaming FPS of Radeon R9 290X in Assassin's Creed Odyssey is 377% more, than GeForce GTX 660M.

    Full Specs

      GeForce GTX 660M Radeon R9 290X
    Architecture Kepler GCN
    Code name N13E-GE Hawaii XT
    Type Laptop Desktop
    Release date 22 March 2012 24 October 2013
    Pipelines 384 2816
    Core clock speed 835 MHz
    Boost Clock 950 MHz 947 MHz
    Transistor count 1,270 million 6,200 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 30.4 billion/sec 176.0
    Floating-point performance 729.6 gflops 5,632 gflops
    Length 275 mm
    Memory bus width 128bit 512 Bit
    Memory clock speed 2000 MHz 1250 MHz
    Memory bandwidth 64.0 GB/s 320 GB/s
    Shared memory - -
    DirectX 12 API
    Shader Model 5.1 6.3
    OpenGL 4.5 4.6
    OpenCL 1.1 2.0
    Vulkan 1.1.126 +
    CUDA +
    Monero / XMR (CryptoNight) 0.76 kh/s
    FreeSync +
    CUDA cores 384
    Bus support PCI Express 2.0, PCI Express 3.0 PCIe 3.0
    SLI options +
    HDMI + +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    Bitcoin / BTC (SHA256) 36 Mh/s 623 Mh/s
    Laptop size large
    Optimus +
    Eyefinity +
    HD3D +
    TrueAudio +
    Design reference
    DisplayPort support +
    CrossFire +
    DDMA audio +
    Decred / DCR (Decred) 1.07 Gh/s
    Ethereum / ETH (DaggerHashimoto) 25.75 Mh/s
    Zcash / ZEC (Equihash) 350 Sol/s
    AppAcceleration +
    LiquidVR +
    TressFX +
    UVD +
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