Radeon HD 7660G plus HD 7670M Dual Graphics vs Radeon R9 280X

Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 7660G plus HD 7670M Dual Graphics and Radeon R9 280X. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Radeon HD 7660G plus HD 7670M Dual Graphics and Radeon R9 280X. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.

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 280X
Power consumption (TDP) 250 Watt
Interface PCIe 3.0 x16
Supplementary power connectors 1 x 6-pin + 1 x 8-pin
Memory type DDR3,GDDR5 GDDR5
Maximum RAM amount 3 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 280X - in Desktops.
  • Radeon HD 7660G plus HD 7670M Dual Graphics is build with Terascale 2 architecture, and Radeon R9 280X - with GCN.
  • Radeon HD 7660G plus HD 7670M Dual Graphics is manufactured by 40 / 32 nm process technology, and Radeon R9 280X - by 28 nm process technology.

Game benchmarks

high / 1080p 1−2 35−40
ultra / 1080p 0−1 21−24
QHD / 1440p 0−1 16−18
4K / 2160p 10−11
low / 720p 12−14 60−65
medium / 1080p 3−4 40−45
The average gaming FPS of Radeon R9 280X in Assassin's Creed Odyssey is 683% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.

Full Specs

  Radeon HD 7660G plus HD 7670M Dual Graphics Radeon R9 280X
Architecture Terascale 2 GCN
Code name Thaiti XTL
Type Laptop Desktop
Release date 15 May 2012 8 October 2013
Pipelines 862 2048
Core clock speed 685 / 600 MHz
Boost Clock 1000 MHz
Transistor count 4,313 million
Manufacturing process technology 40 / 32 nm 28 nm
Texture fill rate 128.0
Floating-point performance 4,096 gflops
Length 275 mm
Memory bus width 128 Bit 384 Bit
Memory clock speed 1800 MHz
Memory bandwidth 288 GB/s
Shared memory - -
DirectX DirectX 11, Shader 5.0
Shader Model 5.1
OpenGL 4.6
OpenCL 1.2
Vulkan +
Monero / XMR (CryptoNight) 0.5 kh/s
FreeSync +
Bus support PCIe 3.0
HDMI +
Bitcoin / BTC (SHA256) 494 Mh/s
Laptop size medium sized
Eyefinity +
HD3D +
TrueAudio +
Design reference
DisplayPort support +
CrossFire +
DDMA audio +
Decred / DCR (Decred) 1.07 Gh/s
Ethereum / ETH (DaggerHashimoto) 14.42 Mh/s
Zcash / ZEC (Equihash) 285 Sol/s
AppAcceleration +
LiquidVR +
TressFX +
UVD +
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