GeForce GTX 660 vs Radeon R6 M340DX
Find out if it is worth upgrading your current GPU setup by comparing GeForce GTX 660 and Radeon R6 M340DX. 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 GTX 660 and Radeon R6 M340DX. 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 R6 M340DX is a Laptop Graphics Card
Note: Radeon R6 M340DX 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 R6 M340DX here:
Main Specs
GeForce GTX 660
Radeon R6 M340DX
Power consumption (TDP)
140 Watt
Interface
PCIe 3.0 x16
IGP
Supplementary power connectors
One 6-pin
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
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GeForce GTX 660 is connected by PCIe 3.0 x16, and Radeon R6 M340DX uses IGP interface.
GeForce GTX 660 is used in Desktops, and Radeon R6 M340DX - in Laptops.
GeForce GTX 660 is build with Kepler architecture, and Radeon R6 M340DX - with GCN.
GeForce GTX 660 and Radeon R6 M340DX are manufactured 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
20−22
2−3
ultra / 1080p
12−14
2−3
QHD / 1440p
6−7
0−1
4K / 2160p
5−6
−
low / 720p
40−45
10−11
medium / 1080p
24−27
3−4
The average gaming FPS of GeForce GTX 660 in Assassin's Creed Odyssey is 525% more, than Radeon R6 M340DX.
high / 1080p
30−35
−
ultra / 1080p
27−30
5−6
QHD / 1440p
10−12
0−1
4K / 2160p
8−9
−
low / 720p
65−70
12−14
medium / 1080p
35−40
5−6
The average gaming FPS of GeForce GTX 660 in Battlefield 5 is 450% more, than Radeon R6 M340DX.
low / 768p
50−55
45−50
high / 1080p
−
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GTX 660 in Call of Duty: Warzone is 10% more, than Radeon R6 M340DX.
low / 768p
230−240
90−95
medium / 768p
200−210
65−70
ultra / 1080p
120−130
30−35
QHD / 1440p
90−95
21−24
4K / 2160p
50−55
−
high / 768p
160−170
45−50
The average gaming FPS of GeForce GTX 660 in Counter-Strike: Global Offensive is 215% more, than Radeon R6 M340DX.
low / 768p
60−65
55−60
ultra / 1080p
50−55
9−10
medium / 1080p
55−60
45−50
The average gaming FPS of GeForce GTX 660 in Cyberpunk 2077 is 50% more, than Radeon R6 M340DX.
low / 768p
120−130
60−65
medium / 768p
100−110
35−40
ultra / 1080p
80−85
18−20
The average gaming FPS of GeForce GTX 660 in Dota 2 is 166% more, than Radeon R6 M340DX.
high / 1080p
24−27
−
ultra / 1080p
21−24
4−5
QHD / 1440p
18−20
−
4K / 2160p
8−9
2−3
low / 720p
50−55
9−10
medium / 1080p
27−30
4−5
The average gaming FPS of GeForce GTX 660 in Far Cry 5 is 460% more, than Radeon R6 M340DX.
high / 1080p
30−35
−
ultra / 1080p
24−27
7−8
QHD / 1440p
16−18
−
low / 720p
120−130
40−45
medium / 1080p
70−75
8−9
The average gaming FPS of GeForce GTX 660 in Fortnite is 289% more, than Radeon R6 M340DX.
high / 1080p
30−35
6−7
ultra / 1080p
24−27
−
QHD / 1440p
14−16
0−1
4K / 2160p
12−14
−
low / 720p
65−70
12−14
medium / 1080p
35−40
7−8
The average gaming FPS of GeForce GTX 660 in Forza Horizon 4 is 400% more, than Radeon R6 M340DX.
low / 768p
100−110
35−40
medium / 768p
90−95
30−35
high / 1080p
40−45
4−5
ultra / 1080p
16−18
4−5
QHD / 1440p
7−8
0−1
The average gaming FPS of GeForce GTX 660 in Grand Theft Auto V is 236% more, than Radeon R6 M340DX.
high / 1080p
12−14
2−3
ultra / 1080p
10−11
1−2
QHD / 1440p
10−11
−
4K / 2160p
3−4
0−1
low / 720p
40−45
4−5
medium / 1080p
18−20
4−5
The average gaming FPS of GeForce GTX 660 in Metro Exodus is 600% more, than Radeon R6 M340DX.
low / 768p
120−130
85−90
high / 1080p
−
75−80
ultra / 1080p
−
65−70
medium / 1080p
110−120
−
The average gaming FPS of GeForce GTX 660 in Minecraft is 43% more, than Radeon R6 M340DX.
high / 1080p
−
14−16
ultra / 1080p
14−16
12−14
low / 720p
70−75
20−22
medium / 1080p
18−20
16−18
The average gaming FPS of GeForce GTX 660 in PLAYERUNKNOWN'S BATTLEGROUNDS is 105% more, than Radeon R6 M340DX.
high / 1080p
14−16
−
ultra / 1080p
10−11
−
QHD / 1440p
1−2
0−1
4K / 2160p
1−2
−
low / 720p
35−40
4−5
medium / 1080p
21−24
−
The average gaming FPS of GeForce GTX 660 in Red Dead Redemption 2 is 825% more, than Radeon R6 M340DX.
low / 768p
70−75
10−12
medium / 768p
45−50
9−10
high / 1080p
24−27
5−6
ultra / 1080p
14−16
4−5
4K / 2160p
8−9
−
The average gaming FPS of GeForce GTX 660 in The Witcher 3: Wild Hunt is 471% more, than Radeon R6 M340DX.
low / 768p
90−95
75−80
medium / 768p
60−65
30−35
ultra / 1080p
40−45
10−12
high / 768p
55−60
24−27
The average gaming FPS of GeForce GTX 660 in World of Tanks is 75% more, than Radeon R6 M340DX.
Full Specs
GeForce GTX 660
Radeon R6 M340DX
Architecture
Kepler
GCN
Code name
GK106
Jet
Type
Desktop
Laptop
Release date
6 September 2012
3 June 2015
Pipelines
960
704
Core clock speed
980 MHz
Boost Clock
1033 MHz
1030 MHz
Transistor count
2,540 million
690 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
78.4 billion/sec
24.72
Floating-point performance
1,981 gflops
Length
9.5" (24.1 cm)
Memory bus width
192-bit GDDR5
Memory clock speed
6.0 GB/s
Memory bandwidth
144.2 GB/s
Shared memory
-
DirectX
12 (11_0)
12 (11_1)
Shader Model
5.1
5.1
OpenGL
4.3
4.6
OpenCL
1.2
1.2
Vulkan
1.1.126
1.2.131
CUDA
+
CUDA cores
960
Bus support
PCI Express 3.0
Height
4.376" (11.1 cm)
SLI options
+
Multi monitor support
4 displays
HDMI
+
HDCP
+
Maximum VGA resolution
2048x1536
Audio input for HDMI
Internal
3D Blu-Ray
+
3D Gaming
+
3D Vision
+
Bitcoin / BTC (SHA256)
66 Mh/s
Laptop size
medium sized
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