Radeon HD 7870 vs Radeon R6 Carrizo

When comparing Radeon HD 7870 and Radeon R6 Carrizo, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Radeon HD 7870 and Radeon R6 Carrizo is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Radeon R6 Carrizo is a Laptop Graphics Card

Note: Radeon R6 Carrizo 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 R6 Carrizo here:

Main Specs

  Radeon HD 7870 Radeon R6 Carrizo
Power consumption (TDP) 175 Watt 12-35 Watt
Memory type GDDR5
Maximum RAM amount 2 GB
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  • Radeon HD 7870 has 1358% more power consumption, than Radeon R6 Carrizo.
  • Radeon HD 7870 is used in Desktops, and Radeon R6 Carrizo - in Laptops.
  • Radeon HD 7870 is build with GCN architecture, and Radeon R6 Carrizo - with GCN 1.2/2.0.
  • Radeon HD 7870 and Radeon R6 Carrizo are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 24−27 0−1
ultra / 1080p 14−16 0−1
QHD / 1440p 9−10 0−1
4K / 2160p 6−7
low / 720p 45−50 10−12
medium / 1080p 30−33 2−3
The average gaming FPS of Radeon HD 7870 in Assassin's Creed Odyssey is 550% more, than Radeon R6 Carrizo.

Full Specs

  Radeon HD 7870 Radeon R6 Carrizo
Architecture GCN GCN 1.2/2.0
Code name Pitcairn XT Carrizo
Type Desktop Laptop
Release date 5 March 2012 4 June 2015
Pipelines 1280 384
Core clock speed 1000 MHz
Boost Clock 800 MHz
Transistor count 2800 Million 2410 Million
Manufacturing process technology 28 nm 28 nm
Memory bus width 256 Bit 64/128 Bit
Memory clock speed 4800 MHz
Shared memory - +
DirectX DirectX 11.1, Shader 5.1 DirectX 12 (FL 12_0)
Monero / XMR (CryptoNight) 0.39 kh/s
Laptop size medium sized
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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