Radeon 520 vs Radeon HD 7870M

Find out if it is worth upgrading your current GPU setup by comparing Radeon 520 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 Radeon 520 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.

Radeon 520 and Radeon HD 7870M are Laptop Graphics Cards

Note: Radeon 520 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 Radeon 520 or Radeon HD 7870M here:

Main Specs

  Radeon 520 Radeon HD 7870M
Power consumption (TDP) 50 Watt 45 Watt
Interface PCIe 3.0 x8 PCIe 3.0 x16
Supplementary power connectors None
Memory type DDR3, GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors 1x DVI, 1x HDMI, 1x VGA No outputs
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  • Radeon 520 has 11% more power consumption, than Radeon HD 7870M.
  • Radeon 520 is connected by PCIe 3.0 x8, and Radeon HD 7870M uses PCIe 3.0 x16 interface.
  • Radeon 520 and Radeon HD 7870M have maximum RAM of 2 GB.
  • Both cards are used in Laptops.
  • Radeon 520 is build with GCN 1.0 architecture, and Radeon HD 7870M - with GCN.
  • Core clock speed of Radeon 520 is 230 MHz higher, than Radeon HD 7870M.
  • Radeon 520 and Radeon HD 7870M are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 7870M is 1750 MHz higher, than Radeon 520.

Game benchmarks

high / 1080p 0−1 6−7
ultra / 1080p 4−5
QHD / 1440p 0−1 0−1
low / 720p 1−2 16−18
medium / 1080p 0−1 8−9
The average gaming FPS of Radeon HD 7870M in Assassin's Creed Odyssey is 1600% more, than Radeon 520.

Full Specs

  Radeon 520 Radeon HD 7870M
Architecture GCN 1.0 GCN
Code name Oland Heathrow XT
Type Laptop Laptop
Release date 21 March 2017 24 April 2012
Pipelines 320 640
Core clock speed 1030 MHz 800 MHz
Transistor count 1,040 million 1,500 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 20.60 32.00
Floating-point performance 659.2 gflops 1,024 gflops
Memory bus width 64 Bit 128 Bit
Memory clock speed 2250 MHz 4000 MHz
Memory bandwidth 16 GB/s 64 GB/s
Shared memory - -
DirectX 12.0 12 (11_1)
Shader Model 5.0 5.1
OpenGL 4.6 4.6
OpenCL 1.2 1.2
Vulkan + 1.2.131
Laptop size large
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