FireStream 9270 vs Radeon R9 M390

If you are going to buy a new graphics card and are choosing between FireStream 9270 and Radeon R9 M390, 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 FireStream 9270 stacks up against Radeon R9 M390, check out specs charts below.

Radeon R9 M390 is a Laptop Graphics Card

Note: Radeon R9 M390 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 R9 M390 here:

Main Specs

  FireStream 9270 Radeon R9 M390
Power consumption (TDP) 160 Watt
Interface PCIe 2.0 x16
Supplementary power connectors 2x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors 1x DVI
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  • FireStream 9270 and Radeon R9 M390 have maximum RAM of 2 GB.
  • FireStream 9270 is used in Desktops, and Radeon R9 M390 - in Laptops.
  • FireStream 9270 is build with TeraScale architecture, and Radeon R9 M390 - with GCN.
  • FireStream 9270 is manufactured by 55 nm process technology, and Radeon R9 M390 - by 28 nm process technology.

Game benchmarks

high / 1080p 5−6 18−20
ultra / 1080p 2−3 10−11
QHD / 1440p 2−3 5−6
4K / 2160p 4−5
low / 720p 14−16 35−40
medium / 1080p 7−8 21−24
The average gaming FPS of Radeon R9 M390 in Assassin's Creed Odyssey is 216% more, than FireStream 9270.

Full Specs

  FireStream 9270 Radeon R9 M390
Architecture TeraScale GCN
Code name RV770 Pitcairn
Type Desktop Laptop
Release date 13 November 2008 9 June 2015
Pipelines 800 1024
Core clock speed 750 MHz
Transistor count 956 million 5000 Million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 30.00
Floating-point performance 1,200.0 gflops
Memory bus width 256 Bit 256 Bit
Memory clock speed 3600 MHz
Memory bandwidth 115.2 GB/s
Shared memory -
DirectX 10.1 (10_1)
Shader Model 4.1
OpenGL 3.3 4.4
OpenCL 1.1 Not Listed
Vulkan N/A
FreeSync +
Bus support PCIe 3.0
Bitcoin / BTC (SHA256) 242 Mh/s
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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