GeForce 845M vs Radeon HD 7870M

Find out if it is worth upgrading your current GPU setup by comparing GeForce 845M and Radeon HD 7870M. 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 845M and Radeon HD 7870M. 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 845M and Radeon HD 7870M are Laptop Graphics Cards

Note: GeForce 845M and Radeon HD 7870M 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 845M or Radeon HD 7870M here:

Main Specs

  GeForce 845M Radeon HD 7870M
Power consumption (TDP) 45 Watt 45 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x16
Memory type DDR3, GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors No outputs No outputs
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  • Both graphics cards have the same power consumption of 45 Watt.
  • GeForce 845M is connected by PCIe 3.0 x8, and Radeon HD 7870M uses PCIe 3.0 x16 interface.
  • GeForce 845M and Radeon HD 7870M have maximum RAM of 2 GB.
  • Both cards are used in Laptops.
  • GeForce 845M is build with Maxwell architecture, and Radeon HD 7870M - with GCN.
  • Core clock speed of GeForce 845M is 271 MHz higher, than Radeon HD 7870M.
  • GeForce 845M and Radeon HD 7870M are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 7870M is 2000 MHz higher, than GeForce 845M.

Game benchmarks

high / 1080p 3−4 6−7
ultra / 1080p 1−2 4−5
QHD / 1440p 0−1 0−1
low / 720p 14−16 16−18
medium / 1080p 6−7 8−9
The average gaming FPS of Radeon HD 7870M in Assassin's Creed Odyssey is 50% more, than GeForce 845M.

Full Specs

  GeForce 845M Radeon HD 7870M
Architecture Maxwell GCN
Code name GM108 Heathrow XT
Type Laptop Laptop
Release date 12 March 2014 24 April 2012
Pipelines 384 640
Core clock speed 1071 MHz 800 MHz
Boost Clock 1150 MHz
Transistor count 1,870 million 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 37.63 32.00
Floating-point performance 883.7 gflops 1,024 gflops
Memory bus width 64/128 Bit 128 Bit
Memory clock speed 2000 - 5000 MHz 4000 MHz
Memory bandwidth 40.1 GB/s 64 GB/s
Shared memory - -
DirectX 12 (11_0) 12 (11_1)
Shader Model 5.1 5.1
OpenGL 4.6 4.6
OpenCL 1.2 1.2
Vulkan 1.1.126 1.2.131
CUDA +
Bitcoin / BTC (SHA256) 76 Mh/s
Laptop size medium sized large
Optimus +
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