GeForce 840M vs Radeon HD 8970M

Find out if it is worth upgrading your current GPU setup by comparing GeForce 840M and Radeon HD 8970M. 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 840M and Radeon HD 8970M. 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 840M and Radeon HD 8970M are Laptop Graphics Cards

Note: GeForce 840M and Radeon HD 8970M 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 840M or Radeon HD 8970M here:

Main Specs

  GeForce 840M Radeon HD 8970M
Power consumption (TDP) 33 Watt 100 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x16
Memory type DDR3 GDDR5
Maximum RAM amount 4 GB 4 GB
Display Connectors No outputs No outputs
  Check Price Check Price
  • Radeon HD 8970M has 203% more power consumption, than GeForce 840M.
  • GeForce 840M is connected by PCIe 3.0 x8, and Radeon HD 8970M uses PCIe 3.0 x16 interface.
  • GeForce 840M and Radeon HD 8970M have maximum RAM of 4 GB.
  • Both cards are used in Laptops.
  • GeForce 840M is build with Maxwell architecture, and Radeon HD 8970M - with GCN.
  • Core clock speed of GeForce 840M is 179 MHz higher, than Radeon HD 8970M.
  • GeForce 840M and Radeon HD 8970M are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 8970M is 2800 MHz higher, than GeForce 840M.

Game benchmarks

high / 1080p 1−2 20−22
ultra / 1080p 0−1 12−14
QHD / 1440p 0−1 6−7
4K / 2160p 5−6
low / 720p 12−14 35−40
medium / 1080p 3−4 24−27
The average gaming FPS of Radeon HD 8970M in Assassin's Creed Odyssey is 366% more, than GeForce 840M.

Full Specs

  GeForce 840M Radeon HD 8970M
Architecture Maxwell GCN
Code name N15S-GT Neptune
Type Laptop Laptop
Release date 12 March 2014 15 May 2013
Pipelines 384 1280
Core clock speed 1029 MHz 850 MHz
Boost Clock 1124 MHz 900 MHz
Transistor count 2,800 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 17.98 72.00
Floating-point performance 863.2 gflops 2,304 gflops
Memory bus width 64 Bit 256 Bit
Memory clock speed 2000 MHz 4800 MHz
Memory bandwidth 16.02 GB/s 153.6 GB/s
Shared memory - -
DirectX 12 (11_0) 12 (11_1)
Shader Model 5.1 5.1
OpenGL 4.5 4.6
OpenCL 1.2 1.2
Vulkan 1.1.126 1.2.131
CUDA +
Bus support PCI Express 2.0, PCI Express 3.0
Bitcoin / BTC (SHA256) 92 Mh/s 273 Mh/s
Laptop size medium sized large
Optimus +
GPU Boost 2.0
GameWorks +
  Check Price Check Price