Radeon R6 Carrizo vs Radeon R9 M390X

If you are going to buy a new graphics card and are choosing between Radeon R6 Carrizo and Radeon R9 M390X, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon R6 Carrizo stacks up against Radeon R9 M390X, check out specs charts below.

Radeon R6 Carrizo and Radeon R9 M390X are Laptop Graphics Cards

Note: Radeon R6 Carrizo and Radeon R9 M390X 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 R6 Carrizo or Radeon R9 M390X here:

Main Specs

  Radeon R6 Carrizo Radeon R9 M390X
Power consumption (TDP) 12-35 Watt 100 Watt
Interface PCIe 3.0 x16
Supplementary power connectors None
Memory type GDDR5
Maximum RAM amount 4 GB
Display Connectors No outputs
  Check Price Check Price
  • Radeon R9 M390X has 733% more power consumption, than Radeon R6 Carrizo.
  • Both cards are used in Laptops.
  • Radeon R6 Carrizo is build with GCN 1.2/2.0 architecture, and Radeon R9 M390X - with GCN 3.
  • Radeon R6 Carrizo and Radeon R9 M390X are manufactured by 28 nm process technology.

Game benchmarks

high / 1080p 0−1 21−24
ultra / 1080p 0−1 12−14
QHD / 1440p 0−1 8−9
4K / 2160p 5−6
low / 720p 10−12 40−45
medium / 1080p 2−3 27−30
The average gaming FPS of Radeon R9 M390X in Assassin's Creed Odyssey is 483% more, than Radeon R6 Carrizo.

Full Specs

  Radeon R6 Carrizo Radeon R9 M390X
Architecture GCN 1.2/2.0 GCN 3
Code name Carrizo Amethyst (XT) / Tonga
Type Laptop Laptop
Release date 4 June 2015 9 June 2015
Pipelines 384 2048
Core clock speed 723 MHz
Boost Clock 800 MHz
Transistor count 2410 Million 5,000 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 92.54
Floating-point performance 2,961 gflops
Memory bus width 64/128 Bit 256 Bit
Memory bandwidth 160.0 GB/s
Shared memory + -
DirectX DirectX 12 (FL 12_0)
Shader Model 6.3
OpenGL 4.4
OpenCL Not Listed
Vulkan +
FreeSync +
Bus support PCIe 3.0
Laptop size medium sized large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
  Check Price Check Price