Radeon HD 7660G plus HD 7670M Dual Graphics vs Radeon R9 270X

In this comparison between Radeon HD 7660G plus HD 7670M Dual Graphics and Radeon R9 270X 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 R9 270X 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 R9 270X
Power consumption (TDP) 180 Watt
Interface PCIe 3.0 x16
Supplementary power connectors 2 x 6-pin
Memory type DDR3,GDDR5 GDDR5
Maximum RAM amount 2 GB
Display Connectors 2x DVI, 1x HDMI, 1x DisplayPort
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  • Radeon HD 7660G plus HD 7670M Dual Graphics is used in Laptops, and Radeon R9 270X - in Desktops.
  • Radeon HD 7660G plus HD 7670M Dual Graphics is build with Terascale 2 architecture, and Radeon R9 270X - with GCN.
  • Radeon HD 7660G plus HD 7670M Dual Graphics is manufactured by 40 / 32 nm process technology, and Radeon R9 270X - by 28 nm process technology.

Game benchmarks

high / 1080p 1−2 24−27
ultra / 1080p 0−1 14−16
QHD / 1440p 0−1 10−11
4K / 2160p 6−7
low / 720p 12−14 45−50
medium / 1080p 3−4 30−35
The average gaming FPS of Radeon R9 270X in Assassin's Creed Odyssey is 483% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.

Full Specs

  Radeon HD 7660G plus HD 7670M Dual Graphics Radeon R9 270X
Architecture Terascale 2 GCN
Code name Curacao XT
Type Laptop Desktop
Release date 15 May 2012 8 October 2013
Pipelines 862 1280
Core clock speed 685 / 600 MHz
Boost Clock 1050 MHz
Transistor count 2,800 million
Manufacturing process technology 40 / 32 nm 28 nm
Texture fill rate 84.00
Floating-point performance 2,688 gflops
Memory bus width 128 Bit 256 Bit
Memory clock speed 1800 MHz
Memory bandwidth 179.2 GB/s
Shared memory - -
DirectX DirectX 11, Shader 5.0
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
Vulkan +
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 318 Mh/s
Laptop size medium sized
Eyefinity +
HD3D +
TrueAudio +
Design reference
DisplayPort support +
CrossFire +
DDMA audio +
Ethereum / ETH (DaggerHashimoto) 30 Mh/s
Zcash / ZEC (Equihash) 163 Sol/s
AppAcceleration +
LiquidVR +
TressFX +
UVD +
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