Subscribe to our YouTube channel ×

    GeForce 845M vs GeForce GTX 660

    Find out if it is worth upgrading your current GPU setup by comparing GeForce 845M and GeForce GTX 660. 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 845M and GeForce GTX 660. 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 845M Check Price
    GeForce GTX 660 Check Price

    GeForce 845M is a Laptop Graphics Card

    Note: GeForce 845M 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 845M here:

    GeForce 845M Laptops

    Main Specs

      GeForce 845M GeForce GTX 660
    Power consumption (TDP) 45 Watt 140 Watt
    Interface PCIe 3.0 x8 PCIe 3.0 x16
    Supplementary power connectors One 6-pin
    Memory type DDR3, GDDR5 GDDR5
    Maximum RAM amount 2 GB 2 GB
    Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
      Check Price Check Price
    • GeForce GTX 660 has 211% more power consumption, than GeForce 845M.
    • GeForce 845M is connected by PCIe 3.0 x8, and GeForce GTX 660 uses PCIe 3.0 x16 interface.
    • GeForce 845M and GeForce GTX 660 have maximum RAM of 2 GB.
    • GeForce 845M is used in Laptops, and GeForce GTX 660 - in Desktops.
    • GeForce 845M is build with Maxwell architecture, and GeForce GTX 660 - with Kepler.
    • Core clock speed of GeForce 845M is 91 MHz higher, than GeForce GTX 660.
    • GeForce 845M and GeForce GTX 660 are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce 845M is 1994 MHz higher, than GeForce GTX 660.

    Game benchmarks

    high / 1080p 3−4 20−22
    ultra / 1080p 1−2 12−14
    QHD / 1440p 0−1 6−7
    4K / 2160p − 5−6
    low / 720p 14−16 40−45
    medium / 1080p 6−7 24−27
    The average gaming FPS of GeForce GTX 660 in Assassin's Creed Odyssey is 316% more, than GeForce 845M.

    Full Specs

      GeForce 845M GeForce GTX 660
    Architecture Maxwell Kepler
    Code name GM108 GK106
    Type Laptop Desktop
    Release date 12 March 2014 6 September 2012
    Pipelines 384 960
    Core clock speed 1071 MHz 980 MHz
    Boost Clock 1150 MHz 1033 MHz
    Transistor count 1,870 million 2,540 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 37.63 78.4 billion/sec
    Floating-point performance 883.7 gflops 1,981 gflops
    Length 9.5" (24.1 cm)
    Memory bus width 64/128 Bit 192-bit GDDR5
    Memory clock speed 2000 - 5000 MHz 6.0 GB/s
    Memory bandwidth 40.1 GB/s 144.2 GB/s
    Shared memory -
    DirectX 12 (11_0) 12 (11_0)
    Shader Model 5.1 5.1
    OpenGL 4.6 4.3
    OpenCL 1.2 1.2
    Vulkan 1.1.126 1.1.126
    CUDA + +
    CUDA cores 960
    Bus support PCI Express 3.0
    Height 4.376" (11.1 cm)
    SLI options +
    Multi monitor support 4 displays
    HDMI +
    HDCP +
    Maximum VGA resolution 2048x1536
    Audio input for HDMI Internal
    3D Blu-Ray +
    3D Gaming +
    3D Vision +
    Bitcoin / BTC (SHA256) 76 Mh/s 66 Mh/s
    Laptop size medium sized
    Optimus +
      Check Price Check Price

    Similar compares