Subscribe to our YouTube channel ×

    GeForce 840A vs GeForce GTX 670MX

    Find out if it is worth upgrading your current GPU setup by comparing GeForce 840A and GeForce GTX 670MX. 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 840A and GeForce GTX 670MX. 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 840A
    GeForce GTX 670MX Check Price

    GeForce GTX 670MX is a Laptop Graphics Card

    Note: GeForce GTX 670MX 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 670MX here:

    GeForce GTX 670MX Laptops

    Main Specs

      GeForce 840A GeForce GTX 670MX
    Power consumption (TDP) 33 Watt 75 Watt
    Interface PCIe 3.0 x8 PCIe 3.0 x16
    Memory type DDR3 GDDR5
    Maximum RAM amount 2 GB 3 GB
    Display Connectors No outputs No outputs
      Check Price
    • GeForce GTX 670MX has 127% more power consumption, than GeForce 840A.
    • GeForce 840A is connected by PCIe 3.0 x8, and GeForce GTX 670MX uses PCIe 3.0 x16 interface.
    • GeForce GTX 670MX has 1 GB more memory, than GeForce 840A.
    • GeForce 840A is used in Desktops, and GeForce GTX 670MX - in Laptops.
    • GeForce 840A is build with Maxwell architecture, and GeForce GTX 670MX - with Kepler.
    • Core clock speed of GeForce 840A is 429 MHz higher, than GeForce GTX 670MX.
    • GeForce 840A and GeForce GTX 670MX are manufactured by 28 nm process technology.
    • Memory clock speed of GeForce 840A is 602 MHz higher, than GeForce GTX 670MX.

    Game benchmarks

    high / 1080p 3−4 8−9
    ultra / 1080p 2−3 5−6
    QHD / 1440p 0−1 0−1
    low / 720p 14−16 20−22
    medium / 1080p 5−6 10−12
    The average gaming FPS of GeForce GTX 670MX in Assassin's Creed Odyssey is 83% more, than GeForce 840A.

    Full Specs

      GeForce 840A GeForce GTX 670MX
    Architecture Maxwell Kepler
    Code name GM108 N13E-GR
    Type Desktop Laptop
    Release date 17 March 2014 1 October 2012
    Pipelines 384 960
    Core clock speed 1029 MHz 600 MHz
    Boost Clock 1124 MHz
    Transistor count 3,540 million
    Manufacturing process technology 28 nm 28 nm
    Texture fill rate 17.98 48.0 billion/sec
    Floating-point performance 863.2 gflops 1,154 gflops
    Memory bus width 64 Bit 192 Bit
    Memory clock speed 2002 MHz 1400 MHz
    Memory bandwidth 16.02 GB/s 67.2 GB/s
    Shared memory -
    DirectX 12 (11_0) 12 API
    Shader Model 5.1 5.1
    OpenGL 4.6 4.5
    OpenCL 1.2 1.1
    Vulkan 1.1.126 1.1.126
    CUDA 5.0 +
    CUDA cores 960
    Bus support PCI Express 2.0
    SLI options +
    HDMI +
    HDCP +
    Maximum VGA resolution Up to 2048x1536
    Laptop size large
    Optimus +
      Check Price

    Similar compares