GeForce GTX 670MX vs Radeon HD 6870

Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 670MX and Radeon HD 6870. 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 670MX and Radeon HD 6870. 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 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:

Main Specs

  GeForce GTX 670MX Radeon HD 6870
Power consumption (TDP) 75 Watt 151 Watt
Interface PCIe 3.0 x16 PCIe 2.0 x16
Supplementary power connectors 2x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 3 GB 1 GB
Display Connectors No outputs 2x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 6870 has 101% more power consumption, than GeForce GTX 670MX.
  • GeForce GTX 670MX is connected by PCIe 3.0 x16, and Radeon HD 6870 uses PCIe 2.0 x16 interface.
  • GeForce GTX 670MX has 2 GB more memory, than Radeon HD 6870.
  • GeForce GTX 670MX is used in Laptops, and Radeon HD 6870 - in Desktops.
  • GeForce GTX 670MX is build with Kepler architecture, and Radeon HD 6870 - with Terascale 2.
  • GeForce GTX 670MX is manufactured by 28 nm process technology, and Radeon HD 6870 - by 40 nm process technology.
  • Memory clock speed of GeForce GTX 670MX is 350 MHz higher, than Radeon HD 6870.

Game benchmarks

high / 1080p 8−9 10−12
ultra / 1080p 5−6 6−7
QHD / 1440p 0−1 1−2
low / 720p 20−22 24−27
medium / 1080p 10−12 12−14
The average gaming FPS of Radeon HD 6870 in Assassin's Creed Odyssey is 27% more, than GeForce GTX 670MX.

Full Specs

  GeForce GTX 670MX Radeon HD 6870
Architecture Kepler Terascale 2
Code name N13E-GR RV940 Barts
Type Laptop Desktop
Release date 1 October 2012 22 October 2010
Pipelines 960 1120
Core clock speed 600 MHz
Boost Clock 900 MHz
Transistor count 3,540 million 1,700 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 48.0 billion/sec 50.40
Floating-point performance 1,154 gflops 2,016.0 gflops
Length 220 mm
Memory bus width 192 Bit 256 Bit
Memory clock speed 1400 MHz 1050 MHz
Memory bandwidth 67.2 GB/s 134.4 GB/s
Shared memory - -
DirectX 12 API
Shader Model 5.1 5.0
OpenGL 4.5 4.4
OpenCL 1.1 1.2
Vulkan 1.1.126
CUDA +
CUDA cores 960
Bus support PCI Express 2.0 PCIe 2.0 x16
SLI options +
HDMI + +
HDCP +
Maximum VGA resolution Up to 2048x1536
Bitcoin / BTC (SHA256) 213 Mh/s
Laptop size large
Optimus +
Eyefinity +
Design reference
CrossFire +
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