Radeon HD 7660G plus HD 7670M Dual Graphics vs Radeon R6 M340DX
When choosing between Radeon HD 7660G plus HD 7670M Dual Graphics and Radeon R6 M340DX, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Radeon HD 7660G plus HD 7670M Dual Graphics and Radeon R6 M340DX.
Radeon HD 7660G plus HD 7670M Dual Graphics and Radeon R6 M340DX are Laptop Graphics Cards
Note: Radeon HD 7660G plus HD 7670M Dual Graphics and Radeon R6 M340DX are only used in laptop graphics. They have 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 or Radeon R6 M340DX here:
Main Specs
Radeon HD 7660G plus HD 7670M Dual Graphics
Radeon R6 M340DX
Interface
IGP
Memory type
DDR3,GDDR5
DDR3
Display Connectors
No outputs
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Both cards are used in Laptops.
Radeon HD 7660G plus HD 7670M Dual Graphics is build with Terascale 2 architecture, and Radeon R6 M340DX - with GCN.
Radeon HD 7660G plus HD 7670M Dual Graphics is manufactured by 40 / 32 nm process technology, and Radeon R6 M340DX - by 28 nm process technology.
Game benchmarks
Assassin's Creed Odyssey
Battlefield 5
Call of Duty: Warzone
Counter-Strike: Global Offensive
Cyberpunk 2077
Dota 2
Far Cry 5
Fortnite
Forza Horizon 4
Grand Theft Auto V
Metro Exodus
Minecraft
PLAYERUNKNOWN'S BATTLEGROUNDS
Red Dead Redemption 2
The Witcher 3: Wild Hunt
World of Tanks
high / 1080p
1−2
2−3
ultra / 1080p
0−1
2−3
QHD / 1440p
0−1
0−1
low / 720p
12−14
10−11
medium / 1080p
3−4
3−4
The average gaming FPS of Radeon HD 7660G plus HD 7670M Dual Graphics in Assassin's Creed Odyssey is 20% more, than Radeon R6 M340DX.
ultra / 1080p
3−4
5−6
QHD / 1440p
0−1
0−1
low / 720p
14−16
12−14
medium / 1080p
5−6
5−6
Radeon HD 7660G plus HD 7670M Dual Graphics and Radeon R6 M340DX have the same average FPS in Battlefield 5.
low / 768p
50−55
45−50
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 7660G plus HD 7670M Dual Graphics in Call of Duty: Warzone is 6% more, than Radeon R6 M340DX.
low / 768p
110−120
90−95
medium / 768p
90−95
65−70
ultra / 1080p
35−40
30−35
QHD / 1440p
−
21−24
4K / 2160p
10−11
−
high / 768p
60−65
45−50
The average gaming FPS of Radeon HD 7660G plus HD 7670M Dual Graphics in Counter-Strike: Global Offensive is 26% more, than Radeon R6 M340DX.
low / 768p
70−75
55−60
ultra / 1080p
14−16
9−10
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 7660G plus HD 7670M Dual Graphics in Cyberpunk 2077 is 18% more, than Radeon R6 M340DX.
low / 768p
70−75
60−65
medium / 768p
45−50
35−40
ultra / 1080p
20−22
18−20
The average gaming FPS of Radeon HD 7660G plus HD 7670M Dual Graphics in Dota 2 is 20% more, than Radeon R6 M340DX.
high / 1080p
2−3
−
ultra / 1080p
2−3
4−5
4K / 2160p
0−1
2−3
low / 720p
10−11
9−10
medium / 1080p
3−4
4−5
The average gaming FPS of Radeon R6 M340DX in Far Cry 5 is 20% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
ultra / 1080p
5−6
7−8
QHD / 1440p
1−2
−
low / 720p
50−55
40−45
medium / 1080p
9−10
8−9
The average gaming FPS of Radeon HD 7660G plus HD 7670M Dual Graphics in Fortnite is 15% more, than Radeon R6 M340DX.
high / 1080p
3−4
6−7
QHD / 1440p
0−1
0−1
low / 720p
16−18
12−14
medium / 1080p
6−7
7−8
Radeon HD 7660G plus HD 7670M Dual Graphics and Radeon R6 M340DX have the same average FPS in Forza Horizon 4.
low / 768p
40−45
35−40
medium / 768p
−
30−35
high / 1080p
4−5
4−5
ultra / 1080p
3−4
4−5
QHD / 1440p
0−1
0−1
medium / 720p
35−40
−
The average gaming FPS of Radeon HD 7660G plus HD 7670M Dual Graphics in Grand Theft Auto V is 6% more, than Radeon R6 M340DX.
high / 1080p
1−2
2−3
ultra / 1080p
0−1
1−2
4K / 2160p
0−1
0−1
low / 720p
3−4
4−5
medium / 1080p
3−4
4−5
The average gaming FPS of Radeon R6 M340DX in Metro Exodus is 50% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
low / 768p
85−90
85−90
high / 1080p
60−65
75−80
ultra / 1080p
−
65−70
The average gaming FPS of Radeon R6 M340DX in Minecraft is 9% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
high / 1080p
14−16
14−16
ultra / 1080p
12−14
12−14
low / 720p
24−27
20−22
medium / 1080p
14−16
16−18
The average gaming FPS of Radeon HD 7660G plus HD 7670M Dual Graphics in PLAYERUNKNOWN'S BATTLEGROUNDS is 6% more, than Radeon R6 M340DX.
ultra / 1080p
3−4
−
QHD / 1440p
0−1
0−1
low / 720p
5−6
4−5
The average gaming FPS of Radeon HD 7660G plus HD 7670M Dual Graphics in Red Dead Redemption 2 is 25% more, than Radeon R6 M340DX.
low / 768p
9−10
10−12
medium / 768p
7−8
9−10
high / 1080p
3−4
5−6
ultra / 1080p
3−4
4−5
4K / 2160p
0−1
−
The average gaming FPS of Radeon R6 M340DX in The Witcher 3: Wild Hunt is 16% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
low / 768p
70−75
75−80
medium / 768p
35−40
30−35
ultra / 1080p
12−14
10−12
high / 768p
30−35
24−27
The average gaming FPS of Radeon HD 7660G plus HD 7670M Dual Graphics in World of Tanks is 5% more, than Radeon R6 M340DX.
Full Specs
Radeon HD 7660G plus HD 7670M Dual Graphics
Radeon R6 M340DX
Architecture
Terascale 2
GCN
Code name
Jet
Type
Laptop
Laptop
Release date
15 May 2012
3 June 2015
Pipelines
862
704
Core clock speed
685 / 600 MHz
Boost Clock
1030 MHz
Transistor count
690 million
Manufacturing process technology
40 / 32 nm
28 nm
Texture fill rate
24.72
Memory bus width
128 Bit
Memory clock speed
1800 MHz
Shared memory
-
-
DirectX
DirectX 11, Shader 5.0
12 (11_1)
Shader Model
5.1
OpenGL
4.6
OpenCL
1.2
Vulkan
1.2.131
Laptop size
medium sized
medium sized
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