Radeon HD 7770 vs Radeon R7 250

If you are going to buy a new graphics card and are choosing between Radeon HD 7770 and Radeon R7 250, 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 HD 7770 stacks up against Radeon R7 250, check out specs charts below.

Main Specs

  Radeon HD 7770 Radeon R7 250
Power consumption (TDP) 75 Watt
Interface PCIe 3.0 x8
Supplementary power connectors N/A
Memory type GDDR5 DDR3, GDDR5
Maximum RAM amount 2 GB 2 GB
Display Connectors 1x DVI, 1x HDMI, 1x VGA
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  • Radeon HD 7770 and Radeon R7 250 have maximum RAM of 2 GB.
  • Both cards are used in Desktops.
  • Radeon HD 7770 and Radeon R7 250 are build with GCN architecture.
  • Radeon HD 7770 and Radeon R7 250 are manufactured by 28 nm process technology.
  • Memory clock speed of Radeon HD 7770 is 3350 MHz higher, than Radeon R7 250.

Game benchmarks

high / 1080p 10−11 3−4
ultra / 1080p 6−7 1−2
QHD / 1440p 1−2 0−1
low / 720p 24−27 14−16
medium / 1080p 12−14 5−6
The average gaming FPS of Radeon HD 7770 in Assassin's Creed Odyssey is 116% more, than Radeon R7 250.

Full Specs

  Radeon HD 7770 Radeon R7 250
Architecture GCN GCN
Code name Cape Verde Oland XT
Type Desktop Desktop
Release date 15 February 2012 1 October 2013
Pipelines 640 384
Core clock speed 1000 MHz
Boost Clock 1050 MHz
Transistor count 950 million
Manufacturing process technology 28 nm 28 nm
Texture fill rate 25.20
Floating-point performance 716.8 gflops
Length 168 mm
Memory bus width 128 Bit 128 Bit
Memory clock speed 4500 MHz 1150 MHz
Memory bandwidth 72 GB/s
Shared memory - -
DirectX DirectX 11.1, Shader 5.1
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 156 Mh/s 117 Mh/s
Eyefinity +
Design reference
CrossFire +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 3 Mh/s
AppAcceleration +
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