GeForce 945M vs Radeon HD 6870

Find out if it is worth upgrading your current GPU setup by comparing GeForce 945M 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 945M 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 945M is a Laptop Graphics Card

Note: GeForce 945M 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 945M here:

Main Specs

  GeForce 945M Radeon HD 6870
Power consumption (TDP) 75 Watt 151 Watt
Interface MXM-B (3.0) PCIe 2.0 x16
Supplementary power connectors None 2x 6-pin
Memory type DDR3 GDDR5
Maximum RAM amount 4 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 945M.
  • GeForce 945M is connected by MXM-B (3.0), and Radeon HD 6870 uses PCIe 2.0 x16 interface.
  • GeForce 945M has 3 GB more memory, than Radeon HD 6870.
  • GeForce 945M is used in Laptops, and Radeon HD 6870 - in Desktops.
  • GeForce 945M is build with Maxwell architecture, and Radeon HD 6870 - with Terascale 2.
  • GeForce 945M is manufactured by 28 nm process technology, and Radeon HD 6870 - by 40 nm process technology.
  • Memory clock speed of GeForce 945M is 950 MHz higher, than Radeon HD 6870.

Game benchmarks

high / 1080p 10−11 10−12
ultra / 1080p 6−7 6−7
QHD / 1440p 1−2 1−2
low / 720p 24−27 24−27
medium / 1080p 12−14 12−14
GeForce 945M and Radeon HD 6870 have the same average FPS in Assassin's Creed Odyssey.

Full Specs

  GeForce 945M Radeon HD 6870
Architecture Maxwell Terascale 2
Code name GM107 RV940 Barts
Type Laptop Desktop
Release date 12 March 2015 22 October 2010
Pipelines 512 1120
Core clock speed 928 MHz
Boost Clock 1045 MHz 900 MHz
Transistor count 1,870 million 1,700 million
Manufacturing process technology 28 nm 40 nm
Texture fill rate 40.80 50.40
Floating-point performance 953.9 gflops 2,016.0 gflops
Length 220 mm
Memory bus width 128 Bit 256 Bit
Memory clock speed 2000 MHz 1050 MHz
Memory bandwidth 28.8 GB/s 134.4 GB/s
Shared memory - -
DirectX 12 (11_0)
Shader Model 5.1 5.0
OpenGL 4.5 4.4
OpenCL 1.2 1.2
Vulkan 1.1.126
CUDA +
Bus support PCI Express 3.0 PCIe 2.0 x16
HDMI +
Bitcoin / BTC (SHA256) 107 Mh/s 213 Mh/s
Laptop size medium sized
Optimus +
Eyefinity +
Design reference
CrossFire +
GPU Boost 2.0
GameWorks +
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