GeForce GT 640 vs Radeon R6 M340DX
In this comparison between GeForce GT 640 and Radeon R6 M340DX 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 GeForce GT 640 will be the best choice, for others Radeon R6 M340DX will be their preference. Study the comparison tables below and make your choice.
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 GT 640
Radeon R6 M340DX
Power consumption (TDP)
65 Watt
Interface
PCIe 3.0 x16
IGP
Supplementary power connectors
None
Memory type
DDR3
DDR3
Maximum RAM amount
2 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
Check Price
Check Price
GeForce GT 640 is connected by PCIe 3.0 x16, and Radeon R6 M340DX uses IGP interface.
GeForce GT 640 is used in Desktops, and Radeon R6 M340DX - in Laptops.
GeForce GT 640 is build with Kepler architecture, and Radeon R6 M340DX - with GCN.
GeForce GT 640 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
2−3
2−3
ultra / 1080p
1−2
2−3
QHD / 1440p
0−1
0−1
low / 720p
14−16
10−11
medium / 1080p
5−6
3−4
The average gaming FPS of GeForce GT 640 in Assassin's Creed Odyssey is 50% more, than Radeon R6 M340DX.
high / 1080p
7−8
−
ultra / 1080p
5−6
5−6
QHD / 1440p
0−1
0−1
low / 720p
20−22
12−14
medium / 1080p
7−8
5−6
The average gaming FPS of GeForce GT 640 in Battlefield 5 is 37% more, than Radeon R6 M340DX.
low / 768p
50−55
45−50
high / 1080p
35−40
45−50
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon R6 M340DX in Call of Duty: Warzone is 4% more, than GeForce GT 640.
low / 768p
110−120
90−95
medium / 768p
90−95
65−70
ultra / 1080p
45−50
30−35
QHD / 1440p
24−27
21−24
4K / 2160p
18−20
−
high / 768p
65−70
45−50
The average gaming FPS of GeForce GT 640 in Counter-Strike: Global Offensive is 32% more, than Radeon R6 M340DX.
low / 768p
70−75
55−60
ultra / 1080p
21−24
9−10
medium / 1080p
45−50
45−50
The average gaming FPS of GeForce GT 640 in Cyberpunk 2077 is 23% more, than Radeon R6 M340DX.
low / 768p
70−75
60−65
medium / 768p
50−55
35−40
ultra / 1080p
27−30
18−20
The average gaming FPS of GeForce GT 640 in Dota 2 is 30% more, than Radeon R6 M340DX.
high / 1080p
3−4
−
ultra / 1080p
3−4
4−5
4K / 2160p
2−3
2−3
low / 720p
14−16
9−10
medium / 1080p
4−5
4−5
The average gaming FPS of GeForce GT 640 in Far Cry 5 is 20% more, than Radeon R6 M340DX.
high / 1080p
10−12
−
ultra / 1080p
5−6
7−8
QHD / 1440p
2−3
−
low / 720p
50−55
40−45
medium / 1080p
16−18
8−9
The average gaming FPS of GeForce GT 640 in Fortnite is 31% more, than Radeon R6 M340DX.
high / 1080p
6−7
6−7
QHD / 1440p
4−5
0−1
4K / 2160p
2−3
−
low / 720p
21−24
12−14
medium / 1080p
9−10
7−8
The average gaming FPS of GeForce GT 640 in Forza Horizon 4 is 33% more, than Radeon R6 M340DX.
low / 768p
45−50
35−40
medium / 768p
−
30−35
high / 1080p
7−8
4−5
ultra / 1080p
3−4
4−5
QHD / 1440p
0−1
0−1
medium / 720p
40−45
−
The average gaming FPS of GeForce GT 640 in Grand Theft Auto V is 26% more, than Radeon R6 M340DX.
high / 1080p
2−3
2−3
ultra / 1080p
0−1
1−2
4K / 2160p
0−1
0−1
low / 720p
8−9
4−5
medium / 1080p
4−5
4−5
The average gaming FPS of GeForce GT 640 in Metro Exodus is 66% more, than Radeon R6 M340DX.
low / 768p
80−85
85−90
high / 1080p
−
75−80
ultra / 1080p
70−75
65−70
GeForce GT 640 and Radeon R6 M340DX have the same average FPS in Minecraft.
high / 1080p
−
14−16
ultra / 1080p
12−14
12−14
low / 720p
27−30
20−22
medium / 1080p
14−16
16−18
The average gaming FPS of GeForce GT 640 in PLAYERUNKNOWN'S BATTLEGROUNDS is 5% more, than Radeon R6 M340DX.
high / 1080p
6−7
−
ultra / 1080p
4−5
−
QHD / 1440p
0−1
0−1
low / 720p
7−8
4−5
The average gaming FPS of GeForce GT 640 in Red Dead Redemption 2 is 75% more, than Radeon R6 M340DX.
low / 768p
14−16
10−12
medium / 768p
10−11
9−10
high / 1080p
5−6
5−6
ultra / 1080p
4−5
4−5
4K / 2160p
0−1
−
The average gaming FPS of GeForce GT 640 in The Witcher 3: Wild Hunt is 14% more, than Radeon R6 M340DX.
low / 768p
70−75
75−80
medium / 768p
35−40
30−35
ultra / 1080p
16−18
10−12
high / 768p
30−35
24−27
The average gaming FPS of GeForce GT 640 in World of Tanks is 8% more, than Radeon R6 M340DX.
Full Specs
GeForce GT 640
Radeon R6 M340DX
Architecture
Kepler
GCN
Code name
GK107
Jet
Type
Desktop
Laptop
Release date
5 June 2012
3 June 2015
Pipelines
384
704
Core clock speed
902 MHz
Boost Clock
1030 MHz
Transistor count
1,270 million
690 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
28.86
24.72
Floating-point performance
692.7 gflops
Length
145 mm
Memory bus width
128 Bit
Memory clock speed
1782 MHz
Memory bandwidth
28.51 GB/s
Shared memory
-
DirectX
12 (11_0)
12 (11_1)
Shader Model
5.1
5.1
OpenGL
4.6
4.6
OpenCL
1.2
1.2
Vulkan
1.1.126
1.2.131
CUDA
3.0
Bitcoin / BTC (SHA256)
24 Mh/s
Laptop size
medium sized
Check Price
Check Price
