Radeon HD 6850 X2 vs Radeon R7 Carrizo

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 6850 X2 and Radeon R7 Carrizo. 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 HD 6850 X2 and Radeon R7 Carrizo. 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 R7 Carrizo is a Laptop Graphics Card

Note: Radeon R7 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 R7 Carrizo here:

Main Specs

  Radeon HD 6850 X2 Radeon R7 Carrizo
Power consumption (TDP) 254 Watt 12-35 Watt
Interface PCIe 2.0 x16
Supplementary power connectors 2x 8-pin
Memory type GDDR5
Maximum RAM amount 2 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon HD 6850 X2 has 2016% more power consumption, than Radeon R7 Carrizo.
  • Radeon HD 6850 X2 is used in Desktops, and Radeon R7 Carrizo - in Laptops.
  • Radeon HD 6850 X2 is build with TeraScale 2 architecture, and Radeon R7 Carrizo - with GCN 1.2/2.0.
  • Radeon HD 6850 X2 is manufactured by 40 nm process technology, and Radeon R7 Carrizo - by 28 nm process technology.

Game benchmarks

high / 1080p 12−14 2−3
ultra / 1080p 7−8 0−1
QHD / 1440p 2−3 0−1
low / 720p 27−30 12−14
medium / 1080p 16−18 5−6
The average gaming FPS of Radeon HD 6850 X2 in Assassin's Creed Odyssey is 171% more, than Radeon R7 Carrizo.

Full Specs

  Radeon HD 6850 X2 Radeon R7 Carrizo
Architecture TeraScale 2 GCN 1.2/2.0
Code name Barts Carrizo
Type Desktop Laptop
Release date 19 September 2011 4 June 2015
Pipelines 960 512
Core clock speed 800 MHz
Boost Clock 800 MHz
Transistor count 1,700 million 2410 Million
Manufacturing process technology 40 nm 28 nm
Texture fill rate 38.40
Floating-point performance 2x 1,536.0 gflops
Memory bus width 256 Bit 64/128 Bit
Memory clock speed 4200 MHz
Memory bandwidth 134.4 GB/s
Shared memory +
DirectX 11.2 (11_0) DirectX 12 (FL 12_0)
Shader Model 5.0
OpenGL 4.4
OpenCL 1.2
Vulkan N/A
Laptop size medium sized
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