Radeon HD 7660G plus HD 7670M Dual Graphics vs Radeon R7 250

In this comparison between Radeon HD 7660G plus HD 7670M Dual Graphics and Radeon R7 250 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 Radeon HD 7660G plus HD 7670M Dual Graphics will be the best choice, for others Radeon R7 250 will be their preference. Study the comparison tables below and make your choice.

Radeon HD 7660G plus HD 7670M Dual Graphics is a Laptop Graphics Card

Note: Radeon HD 7660G plus HD 7670M Dual Graphics 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 HD 7660G plus HD 7670M Dual Graphics here:

Main Specs

  Radeon HD 7660G plus HD 7670M Dual Graphics Radeon R7 250
Power consumption (TDP) 75 Watt
Interface PCIe 3.0 x8
Supplementary power connectors N/A
Memory type DDR3,GDDR5 DDR3, GDDR5
Maximum RAM amount 2 GB
Display Connectors 1x DVI, 1x HDMI, 1x VGA
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  • Radeon HD 7660G plus HD 7670M Dual Graphics is used in Laptops, and Radeon R7 250 - in Desktops.
  • Radeon HD 7660G plus HD 7670M Dual Graphics is build with Terascale 2 architecture, and Radeon R7 250 - with GCN.
  • Radeon HD 7660G plus HD 7670M Dual Graphics is manufactured by 40 / 32 nm process technology, and Radeon R7 250 - by 28 nm process technology.
  • Memory clock speed of Radeon HD 7660G plus HD 7670M Dual Graphics is 650 MHz higher, than Radeon R7 250.

Game benchmarks

high / 1080p 1−2 3−4
ultra / 1080p 0−1 1−2
QHD / 1440p 0−1 0−1
low / 720p 12−14 14−16
medium / 1080p 3−4 5−6
The average gaming FPS of Radeon R7 250 in Assassin's Creed Odyssey is 33% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.

Full Specs

  Radeon HD 7660G plus HD 7670M Dual Graphics Radeon R7 250
Architecture Terascale 2 GCN
Code name Oland XT
Type Laptop Desktop
Release date 15 May 2012 1 October 2013
Pipelines 862 384
Core clock speed 685 / 600 MHz
Boost Clock 1050 MHz
Transistor count 950 million
Manufacturing process technology 40 / 32 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 1800 MHz 1150 MHz
Memory bandwidth 72 GB/s
Shared memory - -
DirectX DirectX 11, Shader 5.0
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 117 Mh/s
Laptop size medium sized
Design reference
CrossFire +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 3 Mh/s
AppAcceleration +
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