Radeon HD 7870 XT vs Radeon R6 Carrizo

In this comparison between Radeon HD 7870 XT and Radeon R6 Carrizo you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Radeon HD 7870 XT will be the best choice, for others Radeon R6 Carrizo will be their preference. Study the comparison tables below and make your choice.

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 XT Radeon R6 Carrizo
Power consumption (TDP) 185 Watt 12-35 Watt
Interface PCIe 3.0 x16
Supplementary power connectors 2x 6-pin
Memory type GDDR5
Maximum RAM amount 2 GB
Display Connectors 1x DVI, 1x HDMI, 2x mini-DisplayPort
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  • Radeon HD 7870 XT has 1441% more power consumption, than Radeon R6 Carrizo.
  • Radeon HD 7870 XT is used in Desktops, and Radeon R6 Carrizo - in Laptops.
  • Radeon HD 7870 XT is build with GCN 1.0 architecture, and Radeon R6 Carrizo - with GCN 1.2/2.0.
  • Radeon HD 7870 XT and Radeon R6 Carrizo are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 35−40 0−1
ultra / 1080p 21−24 0−1
QHD / 1440p 16−18 0−1
4K / 2160p 10−11
low / 720p 60−65 10−12
medium / 1080p 40−45 2−3
The average gaming FPS of Radeon HD 7870 XT in Assassin's Creed Odyssey is 766% more, than Radeon R6 Carrizo.

Full Specs

  Radeon HD 7870 XT Radeon R6 Carrizo
Architecture GCN 1.0 GCN 1.2/2.0
Code name Tahiti Carrizo
Type Desktop Laptop
Release date 19 November 2012 4 June 2015
Pipelines 1536 384
Core clock speed 925 MHz
Boost Clock 975 MHz 800 MHz
Transistor count 4,313 million 2410 Million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 93.60
Floating-point performance 2,995 gflops
Length 267 mm
Memory bus width 256 Bit 64/128 Bit
Memory clock speed 6000 MHz
Memory bandwidth 192.0 GB/s
Shared memory +
DirectX 12 (11_1) DirectX 12 (FL 12_0)
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
Vulkan 1.2.131
Bitcoin / BTC (SHA256) 346 Mh/s
Laptop size medium sized
Ethereum / ETH (DaggerHashimoto) 14.5 Mh/s
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