GeForce GTX 870M vs Radeon R8 M445DX

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 870M and Radeon R8 M445DX. 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 870M and Radeon R8 M445DX. 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 870M and Radeon R8 M445DX are Laptop Graphics Cards

Note: GeForce GTX 870M and Radeon R8 M445DX 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 GTX 870M or Radeon R8 M445DX here:

Main Specs

  GeForce GTX 870M Radeon R8 M445DX
Power consumption (TDP) 100 Watt
Interface MXM-B (3.0) IGP
Supplementary power connectors None
Memory type GDDR5 DDR4/DDR3
Maximum RAM amount 6 GB
Display Connectors No outputs No outputs
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  • GeForce GTX 870M is connected by MXM-B (3.0), and Radeon R8 M445DX uses IGP interface.
  • Both cards are used in Laptops.
  • GeForce GTX 870M is build with Kepler architecture, and Radeon R8 M445DX - with GCN.
  • Core clock speed of GeForce GTX 870M is 221 MHz higher, than Radeon R8 M445DX.
  • GeForce GTX 870M and Radeon R8 M445DX are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 16−18 0−1
ultra / 1080p 10−11
QHD / 1440p 4−5 0−1
low / 720p 35−40 1−2
medium / 1080p 21−24 0−1
The average gaming FPS of GeForce GTX 870M in Assassin's Creed Odyssey is 3600% more, than Radeon R8 M445DX.

Full Specs

  GeForce GTX 870M Radeon R8 M445DX
Architecture Kepler GCN
Code name N15P-GT Meso
Type Laptop Laptop
Release date 12 March 2014 1 June 2016
Pipelines 1344 704
Core clock speed 941 MHz 720 / 1020 MHz
Boost Clock 967 MHz 1021 MHz
Transistor count 3,540 million 1,550 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 108.3 20.42
Floating-point performance 2,599 gflops
Memory bus width 192 Bit 128 + 64 Bit
Memory clock speed 933 / 1000 MHz
Memory bandwidth 120.0 GB/s
Shared memory - -
DirectX 12 (11_0) 12 (12_0)
Shader Model 5.1 6.0
OpenGL 4.5 4.6
OpenCL 1.1 2.0
Vulkan 1.1.126 1.2.131
CUDA +
CUDA cores 1344
Bus support PCI Express 2.0, PCI Express 3.0
SLI options +
HDMI +
Bitcoin / BTC (SHA256) 82 Mh/s
Laptop size large medium sized
Standard memory configuration GDDR5
eDP 1.2 signal support Up to 3840x2160
LVDS signal support Up to 1920x1200
DisplayPort Multimode (DP++) support Up to 3840x2160
HDCP content protection +
7.1 channel HD audio on HDMI +
TrueHD and DTS-HD audio bitstreaming +
H.264, VC1, MPEG2 1080p video decoder +
Optimus +
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