GeForce GT 640 vs Radeon RX Vega 6
In this comparison between GeForce GT 640 and Radeon RX Vega 6 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 RX Vega 6 will be their preference. Study the comparison tables below and make your choice.
Radeon RX Vega 6 is a Laptop Graphics Card
Note: Radeon RX Vega 6 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 RX Vega 6 here:
Main Specs
GeForce GT 640
Radeon RX Vega 6
Power consumption (TDP)
65 Watt
Interface
PCIe 3.0 x16
Supplementary power connectors
None
Memory type
DDR3
Maximum RAM amount
2 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
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GeForce GT 640 is used in Desktops, and Radeon RX Vega 6 - in Laptops.
GeForce GT 640 is build with Kepler architecture, and Radeon RX Vega 6 - with Vega.
GeForce GT 640 is manufactured by 28 nm process technology, and Radeon RX Vega 6 - by 14 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
3−4
ultra / 1080p
1−2
1−2
QHD / 1440p
0−1
0−1
low / 720p
14−16
14−16
medium / 1080p
5−6
5−6
GeForce GT 640 and Radeon RX Vega 6 have the same average FPS in Assassin's Creed Odyssey.
high / 1080p
7−8
−
ultra / 1080p
5−6
6−7
QHD / 1440p
0−1
0−1
low / 720p
20−22
18−20
medium / 1080p
7−8
7−8
GeForce GT 640 and Radeon RX Vega 6 have the same average FPS in Battlefield 5.
low / 768p
50−55
50−55
high / 1080p
35−40
40−45
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon RX Vega 6 in Call of Duty: Warzone is 4% more, than GeForce GT 640.
low / 768p
110−120
120−130
medium / 768p
90−95
100−105
ultra / 1080p
45−50
45−50
QHD / 1440p
24−27
24−27
4K / 2160p
18−20
18−20
high / 768p
65−70
70−75
The average gaming FPS of Radeon RX Vega 6 in Counter-Strike: Global Offensive is 6% more, than GeForce GT 640.
low / 768p
70−75
60−65
ultra / 1080p
21−24
21−24
medium / 1080p
45−50
40−45
The average gaming FPS of GeForce GT 640 in Cyberpunk 2077 is 11% more, than Radeon RX Vega 6.
low / 768p
70−75
75−80
medium / 768p
50−55
55−60
ultra / 1080p
27−30
24−27
The average gaming FPS of Radeon RX Vega 6 in Dota 2 is 3% more, than GeForce GT 640.
high / 1080p
3−4
4−5
ultra / 1080p
3−4
3−4
4K / 2160p
2−3
2−3
low / 720p
14−16
14−16
medium / 1080p
4−5
5−6
The average gaming FPS of Radeon RX Vega 6 in Far Cry 5 is 20% more, than GeForce GT 640.
high / 1080p
10−12
10−12
ultra / 1080p
5−6
6−7
QHD / 1440p
2−3
4−5
low / 720p
50−55
55−60
medium / 1080p
16−18
14−16
The average gaming FPS of Radeon RX Vega 6 in Fortnite is 5% more, than GeForce GT 640.
high / 1080p
6−7
8−9
ultra / 1080p
−
7−8
QHD / 1440p
4−5
3−4
4K / 2160p
2−3
3−4
low / 720p
21−24
21−24
medium / 1080p
9−10
10−11
GeForce GT 640 and Radeon RX Vega 6 have the same average FPS in Forza Horizon 4.
low / 768p
45−50
50−55
medium / 768p
−
40−45
high / 1080p
7−8
8−9
ultra / 1080p
3−4
3−4
QHD / 1440p
0−1
0−1
medium / 720p
40−45
−
The average gaming FPS of Radeon RX Vega 6 in Grand Theft Auto V is 10% more, than GeForce GT 640.
high / 1080p
2−3
2−3
ultra / 1080p
0−1
1−2
4K / 2160p
0−1
0−1
low / 720p
8−9
8−9
medium / 1080p
4−5
4−5
GeForce GT 640 and Radeon RX Vega 6 have the same average FPS in Metro Exodus.
low / 768p
80−85
90−95
high / 1080p
−
85−90
ultra / 1080p
70−75
80−85
The average gaming FPS of Radeon RX Vega 6 in Minecraft is 12% more, than GeForce GT 640.
ultra / 1080p
12−14
12−14
low / 720p
27−30
27−30
medium / 1080p
14−16
14−16
GeForce GT 640 and Radeon RX Vega 6 have the same average FPS in PLAYERUNKNOWN'S BATTLEGROUNDS.
high / 1080p
6−7
−
ultra / 1080p
4−5
6−7
QHD / 1440p
0−1
−
low / 720p
7−8
7−8
The average gaming FPS of Radeon RX Vega 6 in Red Dead Redemption 2 is 16% more, than GeForce GT 640.
low / 768p
14−16
16−18
medium / 768p
10−11
12−14
high / 1080p
5−6
6−7
ultra / 1080p
4−5
4−5
4K / 2160p
0−1
2−3
The average gaming FPS of Radeon RX Vega 6 in The Witcher 3: Wild Hunt is 25% more, than GeForce GT 640.
low / 768p
70−75
70−75
medium / 768p
35−40
35−40
ultra / 1080p
16−18
16−18
high / 768p
30−35
30−35
GeForce GT 640 and Radeon RX Vega 6 have the same average FPS in World of Tanks.
Full Specs
GeForce GT 640
Radeon RX Vega 6
Architecture
Kepler
Vega
Code name
GK107
Vega Raven Ridge
Type
Desktop
Laptop
Release date
5 June 2012
7 January 2018
Pipelines
384
384
Core clock speed
902 MHz
Boost Clock
1100 MHz
Transistor count
1,270 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
28.86
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)
DirectX 12_1
Shader Model
5.1
OpenGL
4.6
OpenCL
1.2
Vulkan
1.1.126
CUDA
3.0
Bitcoin / BTC (SHA256)
24 Mh/s
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