FireStream 9250 vs Radeon Pro 555X

If you are going to buy a new graphics card and are choosing between FireStream 9250 and Radeon Pro 555X, 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 9250 stacks up against Radeon Pro 555X, check out specs charts below.

Radeon Pro 555X is a Laptop Graphics Card

Note: Radeon Pro 555X 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 Pro 555X here:

Main Specs

  FireStream 9250 Radeon Pro 555X
Power consumption (TDP) 150 Watt 75 Watt
Interface PCIe 2.0 x16 PCIe 3.0 x8
Supplementary power connectors 1x 6-pin None
Memory type GDDR3 GDDR5
Maximum RAM amount 1 GB 2 GB
Display Connectors 1x DVI No outputs
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  • FireStream 9250 has 100% more power consumption, than Radeon Pro 555X.
  • FireStream 9250 is connected by PCIe 2.0 x16, and Radeon Pro 555X uses PCIe 3.0 x8 interface.
  • Radeon Pro 555X has 1 GB more memory, than FireStream 9250.
  • FireStream 9250 is used in Desktops, and Radeon Pro 555X - in Mobile workstations.
  • FireStream 9250 is build with TeraScale architecture, and Radeon Pro 555X - with Polaris.
  • Core clock speed of Radeon Pro 555X is 230 MHz higher, than FireStream 9250.
  • FireStream 9250 is manufactured by 55 nm process technology, and Radeon Pro 555X - by 14 nm process technology.
  • Memory clock speed of Radeon Pro 555X is 3094 MHz higher, than FireStream 9250.

Game benchmarks

high / 1080p 2−3 16−18
ultra / 1080p 1−2 10−11
QHD / 1440p 0−1 4−5
4K / 2160p 4−5
low / 720p 12−14 30−35
medium / 1080p 5−6 21−24
The average gaming FPS of Radeon Pro 555X in Assassin's Creed Odyssey is 300% more, than FireStream 9250.

Full Specs

  FireStream 9250 Radeon Pro 555X
Architecture TeraScale Polaris
Code name RV770 Polaris 21
Type Desktop Mobile workstation
Release date 16 June 2008 5 June 2017
Pipelines 800 768
Core clock speed 625 MHz 855 MHz
Transistor count 956 million 3,000 million
Manufacturing process technology 55 nm 14 nm
Texture fill rate 25.00 43.54
Floating-point performance 1,000.0 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 1986 MHz 5080 MHz
Memory bandwidth 63.55 GB/s 81.6 GB/s
Shared memory -
DirectX 10.1 (10_1) 12 (12_0)
Shader Model 4.1 6.4
OpenGL 3.3 4.6
OpenCL 1.1 2.0
Vulkan N/A 1.2.131
FreeSync +
Laptop size large
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