FireStream 9250 vs Radeon HD 7770

If you are going to buy a new graphics card and are choosing between FireStream 9250 and Radeon HD 7770, 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 HD 7770, check out specs charts below.

Main Specs

  FireStream 9250 Radeon HD 7770
Power consumption (TDP) 150 Watt
Interface PCIe 2.0 x16
Supplementary power connectors 1x 6-pin
Memory type GDDR3 GDDR5
Maximum RAM amount 1 GB 2 GB
Display Connectors 1x DVI
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  • Radeon HD 7770 has 1 GB more memory, than FireStream 9250.
  • Both cards are used in Desktops.
  • FireStream 9250 is build with TeraScale architecture, and Radeon HD 7770 - with GCN.
  • Core clock speed of Radeon HD 7770 is 375 MHz higher, than FireStream 9250.
  • FireStream 9250 is manufactured by 55 nm process technology, and Radeon HD 7770 - by 28 nm process technology.
  • Memory clock speed of Radeon HD 7770 is 2514 MHz higher, than FireStream 9250.

Game benchmarks

high / 1080p 2−3 10−11
ultra / 1080p 1−2 6−7
QHD / 1440p 0−1 1−2
low / 720p 12−14 24−27
medium / 1080p 5−6 12−14
The average gaming FPS of Radeon HD 7770 in Assassin's Creed Odyssey is 160% more, than FireStream 9250.

Full Specs

  FireStream 9250 Radeon HD 7770
Architecture TeraScale GCN
Code name RV770 Cape Verde
Type Desktop Desktop
Release date 16 June 2008 15 February 2012
Pipelines 800 640
Core clock speed 625 MHz 1000 MHz
Transistor count 956 million
Manufacturing process technology 55 nm 28 nm
Texture fill rate 25.00
Floating-point performance 1,000.0 gflops
Memory bus width 256 Bit 128 Bit
Memory clock speed 1986 MHz 4500 MHz
Memory bandwidth 63.55 GB/s
Shared memory -
DirectX 10.1 (10_1) DirectX 11.1, Shader 5.1
Shader Model 4.1
OpenGL 3.3
OpenCL 1.1
Vulkan N/A
Bitcoin / BTC (SHA256) 156 Mh/s
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