FireStream 9270 vs Radeon R9 M385X

In this comparison between FireStream 9270 and Radeon R9 M385X 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 FireStream 9270 will be the best choice, for others Radeon R9 M385X will be their preference. Study the comparison tables below and make your choice.

Radeon R9 M385X is a Laptop Graphics Card

Note: Radeon R9 M385X 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 M385X here:

Main Specs

  FireStream 9270 Radeon R9 M385X
Power consumption (TDP) 160 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x16
Supplementary power connectors 2x 6-pin
Memory type GDDR5 GDDR5
Maximum RAM amount 2 GB 4 GB
Display Connectors 1x DVI No outputs
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  • FireStream 9270 is connected by PCIe 2.0 x16, and Radeon R9 M385X uses PCIe 3.0 x16 interface.
  • Radeon R9 M385X has 2 GB more memory, than FireStream 9270.
  • FireStream 9270 is used in Desktops, and Radeon R9 M385X - in Laptops.
  • FireStream 9270 is build with TeraScale architecture, and Radeon R9 M385X - with GCN.
  • Core clock speed of Radeon R9 M385X is 350 MHz higher, than FireStream 9270.
  • FireStream 9270 is manufactured by 55 nm process technology, and Radeon R9 M385X - by 28 nm process technology.
  • Memory clock speed of FireStream 9270 is 2100 MHz higher, than Radeon R9 M385X.

Game benchmarks

high / 1080p 5−6 8−9
ultra / 1080p 2−3 5−6
QHD / 1440p 2−3 0−1
low / 720p 14−16 18−20
medium / 1080p 7−8 10−11
The average gaming FPS of Radeon R9 M385X in Assassin's Creed Odyssey is 42% more, than FireStream 9270.

Full Specs

  FireStream 9270 Radeon R9 M385X
Architecture TeraScale GCN
Code name RV770 Strato-XT-M3
Type Desktop Laptop
Release date 13 November 2008 16 June 2015
Pipelines 800 896
Core clock speed 750 MHz 1100 MHz
Boost Clock 1100 MHz
Transistor count 956 million 2,080 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 30.00 61.60
Floating-point performance 1,200.0 gflops 1,971 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 3600 MHz 1500 MHz
Memory bandwidth 115.2 GB/s 76.8 GB/s
Shared memory -
DirectX 10.1 (10_1)
Shader Model 4.1 6.3
OpenGL 3.3 4.4
OpenCL 1.1 Not Listed
Vulkan N/A
FreeSync +
Bus support PCIe 3.0
Laptop size large
Eyefinity +
HD3D +
PowerTune +
DualGraphics +
ZeroCore +
Switchable graphics +
Mantle +
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