GeForce GTX 670MX vs Radeon HD 8870M

If you are going to buy a new graphics card and are choosing between GeForce GTX 670MX and Radeon HD 8870M, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce GTX 670MX stacks up against Radeon HD 8870M, check out specs charts below.

GeForce GTX 670MX and Radeon HD 8870M are Laptop Graphics Cards

Note: GeForce GTX 670MX and Radeon HD 8870M 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 670MX or Radeon HD 8870M here:

Main Specs

  GeForce GTX 670MX Radeon HD 8870M
Power consumption (TDP) 75 Watt
Interface PCIe 3.0 x16 PCIe 3.0 x16
Memory type GDDR5 GDDR5, DDR3
Maximum RAM amount 3 GB 2 GB
Display Connectors No outputs No outputs
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  • Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
  • GeForce GTX 670MX has 1 GB more memory, than Radeon HD 8870M.
  • Both cards are used in Laptops.
  • GeForce GTX 670MX is build with Kepler architecture, and Radeon HD 8870M - with GCN.
  • Core clock speed of Radeon HD 8870M is 125 MHz higher, than GeForce GTX 670MX.
  • GeForce GTX 670MX and Radeon HD 8870M are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 8870M is 3100 MHz higher, than GeForce GTX 670MX.

Game benchmarks

high / 1080p 8−9 7−8
ultra / 1080p 5−6 4−5
QHD / 1440p 0−1 0−1
low / 720p 20−22 18−20
medium / 1080p 10−12 9−10
The average gaming FPS of GeForce GTX 670MX in Assassin's Creed Odyssey is 10% more, than Radeon HD 8870M.

Full Specs

  GeForce GTX 670MX Radeon HD 8870M
Architecture Kepler GCN
Code name N13E-GR Venus
Type Laptop Laptop
Release date 1 October 2012 18 December 2012
Pipelines 960 640
Core clock speed 600 MHz 725 MHz
Boost Clock 775 MHz
Transistor count 3,540 million 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 48.0 billion/sec 31.00
Floating-point performance 1,154 gflops 992.0 gflops
Memory bus width 192 Bit 128 Bit
Memory clock speed 1400 MHz 4500 MHz
Memory bandwidth 67.2 GB/s 72 GB/s
Shared memory - -
DirectX 12 API 12 (11_1)
Shader Model 5.1 5.1
OpenGL 4.5 4.6
OpenCL 1.1 1.2
Vulkan 1.1.126 1.2.131
CUDA +
CUDA cores 960
Bus support PCI Express 2.0
SLI options +
HDMI +
HDCP +
Maximum VGA resolution Up to 2048x1536
Bitcoin / BTC (SHA256) 107 Mh/s
Laptop size large large
Optimus +
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