GeForce 840A vs Radeon HD 7660G plus HD 7670M Dual Graphics
Find out if it is worth upgrading your current GPU setup by comparing GeForce 840A and Radeon HD 7660G plus HD 7670M Dual Graphics. 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 GeForce 840A and Radeon HD 7660G plus HD 7670M Dual Graphics. 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.
GeForce 840A
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
GeForce 840A
Radeon HD 7660G plus HD 7670M Dual Graphics
Power consumption (TDP)
33 Watt
Interface
PCIe 3.0 x8
Memory type
DDR3
DDR3,GDDR5
Maximum RAM amount
2 GB
Display Connectors
No outputs
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GeForce 840A is used in Desktops, and Radeon HD 7660G plus HD 7670M Dual Graphics - in Laptops.
GeForce 840A is build with Maxwell architecture, and Radeon HD 7660G plus HD 7670M Dual Graphics - with Terascale 2.
Core clock speed of GeForce 840A is 344 MHz higher, than Radeon HD 7660G plus HD 7670M Dual Graphics.
GeForce 840A is manufactured by 28 nm process technology, and Radeon HD 7660G plus HD 7670M Dual Graphics - by 40 / 32 nm process technology.
Memory clock speed of GeForce 840A is 202 MHz higher, than Radeon HD 7660G plus HD 7670M Dual Graphics.
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
3−4
1−2
ultra / 1080p
2−3
0−1
QHD / 1440p
0−1
0−1
low / 720p
14−16
12−14
medium / 1080p
5−6
3−4
The average gaming FPS of GeForce 840A in Assassin's Creed Odyssey is 33% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
ultra / 1080p
7−8
3−4
QHD / 1440p
0−1
0−1
low / 720p
18−20
14−16
medium / 1080p
8−9
5−6
The average gaming FPS of GeForce 840A in Battlefield 5 is 37% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
low / 768p
45−50
50−55
high / 1080p
30−35
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 25% more, than GeForce 840A.
low / 768p
120−130
110−120
medium / 768p
90−95
90−95
ultra / 1080p
40−45
35−40
QHD / 1440p
24−27
−
4K / 2160p
18−20
10−11
high / 768p
65−70
60−65
The average gaming FPS of GeForce 840A in Counter-Strike: Global Offensive is 9% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
low / 768p
80−85
70−75
ultra / 1080p
14−16
14−16
medium / 1080p
40−45
45−50
The average gaming FPS of GeForce 840A in Cyberpunk 2077 is 2% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
low / 768p
75−80
70−75
medium / 768p
50−55
45−50
ultra / 1080p
27−30
20−22
The average gaming FPS of GeForce 840A in Dota 2 is 10% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
high / 1080p
5−6
2−3
ultra / 1080p
−
2−3
4K / 2160p
2−3
0−1
low / 720p
14−16
10−11
medium / 1080p
6−7
3−4
The average gaming FPS of GeForce 840A in Far Cry 5 is 80% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
high / 1080p
12−14
−
ultra / 1080p
7−8
5−6
QHD / 1440p
−
1−2
low / 720p
50−55
50−55
medium / 1080p
14−16
9−10
The average gaming FPS of GeForce 840A in Fortnite is 13% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
high / 1080p
7−8
3−4
QHD / 1440p
0−1
0−1
low / 720p
20−22
16−18
medium / 1080p
9−10
6−7
The average gaming FPS of GeForce 840A in Forza Horizon 4 is 33% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
low / 768p
45−50
40−45
high / 1080p
8−9
4−5
ultra / 1080p
5−6
3−4
QHD / 1440p
0−1
0−1
medium / 720p
40−45
35−40
The average gaming FPS of GeForce 840A in Grand Theft Auto V is 18% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
high / 1080p
3−4
1−2
ultra / 1080p
1−2
0−1
4K / 2160p
0−1
0−1
low / 720p
8−9
3−4
medium / 1080p
4−5
3−4
The average gaming FPS of GeForce 840A in Metro Exodus is 150% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
low / 768p
85−90
85−90
high / 1080p
85−90
60−65
ultra / 1080p
80−85
−
medium / 1080p
85−90
−
The average gaming FPS of GeForce 840A in Minecraft is 16% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
high / 1080p
−
14−16
ultra / 1080p
12−14
12−14
low / 720p
27−30
24−27
medium / 1080p
14−16
14−16
The average gaming FPS of GeForce 840A in PLAYERUNKNOWN'S BATTLEGROUNDS is 5% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
ultra / 1080p
7−8
3−4
QHD / 1440p
0−1
0−1
low / 720p
8−9
5−6
The average gaming FPS of GeForce 840A in Red Dead Redemption 2 is 100% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
low / 768p
16−18
9−10
medium / 768p
12−14
7−8
high / 1080p
6−7
3−4
ultra / 1080p
5−6
3−4
4K / 2160p
−
0−1
The average gaming FPS of GeForce 840A in The Witcher 3: Wild Hunt is 66% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
low / 768p
70−75
70−75
medium / 768p
35−40
35−40
ultra / 1080p
16−18
12−14
high / 768p
30−35
30−35
The average gaming FPS of GeForce 840A in World of Tanks is 2% more, than Radeon HD 7660G plus HD 7670M Dual Graphics.
Full Specs
GeForce 840A
Radeon HD 7660G plus HD 7670M Dual Graphics
Architecture
Maxwell
Terascale 2
Code name
GM108
Type
Desktop
Laptop
Release date
17 March 2014
15 May 2012
Pipelines
384
862
Core clock speed
1029 MHz
685 / 600 MHz
Boost Clock
1124 MHz
Manufacturing process technology
28 nm
40 / 32 nm
Texture fill rate
17.98
Floating-point performance
863.2 gflops
Memory bus width
64 Bit
128 Bit
Memory clock speed
2002 MHz
1800 MHz
Memory bandwidth
16.02 GB/s
Shared memory
-
DirectX
12 (11_0)
DirectX 11, Shader 5.0
Shader Model
5.1
OpenGL
4.6
OpenCL
1.2
Vulkan
1.1.126
CUDA
5.0
Laptop size
medium sized
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