Radeon 520 vs Radeon HD 7870

Find out if it is worth upgrading your current GPU setup by comparing Radeon 520 and Radeon HD 7870. 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 7870. 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 is a Laptop Graphics Card

Note: Radeon 520 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 Radeon 520 here:

Main Specs

  Radeon 520 Radeon HD 7870
Power consumption (TDP) 50 Watt 175 Watt
Interface PCIe 3.0 x8
Supplementary power connectors None
Memory type DDR3, GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors 1x DVI, 1x HDMI, 1x VGA
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  • Radeon HD 7870 has 250% more power consumption, than Radeon 520.
  • Radeon 520 and Radeon HD 7870 have maximum RAM of 2 GB.
  • Radeon 520 is used in Laptops, and Radeon HD 7870 - in Desktops.
  • Radeon 520 is build with GCN 1.0 architecture, and Radeon HD 7870 - with GCN.
  • Core clock speed of Radeon 520 is 30 MHz higher, than Radeon HD 7870.
  • Radeon 520 and Radeon HD 7870 are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 7870 is 2550 MHz higher, than Radeon 520.

Game benchmarks

high / 1080p 0−1 24−27
ultra / 1080p 14−16
QHD / 1440p 0−1 9−10
4K / 2160p 6−7
low / 720p 1−2 45−50
medium / 1080p 0−1 30−33
The average gaming FPS of Radeon HD 7870 in Assassin's Creed Odyssey is 4600% more, than Radeon 520.

Full Specs

  Radeon 520 Radeon HD 7870
Architecture GCN 1.0 GCN
Code name Oland Pitcairn XT
Type Laptop Desktop
Release date 21 March 2017 5 March 2012
Pipelines 320 1280
Core clock speed 1030 MHz 1000 MHz
Transistor count 1,040 million 2800 Million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 20.60
Floating-point performance 659.2 gflops
Memory bus width 64 Bit 256 Bit
Memory clock speed 2250 MHz 4800 MHz
Memory bandwidth 16 GB/s
Shared memory - -
DirectX 12.0 DirectX 11.1, Shader 5.1
Shader Model 5.0
OpenGL 4.6
OpenCL 1.2
Vulkan +
Monero / XMR (CryptoNight) 0.39 kh/s
Eyefinity +
Decred / DCR (Decred) 0.63 Gh/s
Ethereum / ETH (DaggerHashimoto) 16.6 Mh/s
Zcash / ZEC (Equihash) 145 Sol/s
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