GeForce GT 640 vs Radeon RX Vega 7
When comparing GeForce GT 640 and Radeon RX Vega 7, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GeForce GT 640 and Radeon RX Vega 7 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
Radeon RX Vega 7 is a Laptop Graphics Card
Note: Radeon RX Vega 7 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 7 here:
Main Specs
GeForce GT 640
Radeon RX Vega 7
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 7 - in Laptops.
GeForce GT 640 is build with Kepler architecture, and Radeon RX Vega 7 - with Vega.
GeForce GT 640 is manufactured by 28 nm process technology, and Radeon RX Vega 7 - by 7 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
18−20
ultra / 1080p
1−2
10−11
QHD / 1440p
0−1
4−5
4K / 2160p
−
4−5
low / 720p
14−16
35−40
medium / 1080p
5−6
21−24
The average gaming FPS of Radeon RX Vega 7 in Assassin's Creed Odyssey is 266% more, than GeForce GT 640.
high / 1080p
7−8
27−30
ultra / 1080p
5−6
24−27
QHD / 1440p
0−1
8−9
4K / 2160p
−
6−7
low / 720p
20−22
60−65
medium / 1080p
7−8
30−35
The average gaming FPS of Radeon RX Vega 7 in Battlefield 5 is 270% more, than GeForce GT 640.
low / 768p
50−55
50−55
high / 1080p
35−40
50−55
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon RX Vega 7 in Call of Duty: Warzone is 15% more, than GeForce GT 640.
low / 768p
110−120
220−230
medium / 768p
90−95
190−200
ultra / 1080p
45−50
100−110
QHD / 1440p
24−27
70−75
4K / 2160p
18−20
35−40
high / 768p
65−70
150−160
The average gaming FPS of Radeon RX Vega 7 in Counter-Strike: Global Offensive is 114% more, than GeForce GT 640.
low / 768p
70−75
60−65
ultra / 1080p
21−24
45−50
medium / 1080p
45−50
55−60
The average gaming FPS of Radeon RX Vega 7 in Cyberpunk 2077 is 17% more, than GeForce GT 640.
low / 768p
70−75
110−120
medium / 768p
50−55
100−110
ultra / 1080p
27−30
70−75
The average gaming FPS of Radeon RX Vega 7 in Dota 2 is 90% more, than GeForce GT 640.
high / 1080p
3−4
21−24
ultra / 1080p
3−4
20−22
QHD / 1440p
−
18−20
4K / 2160p
2−3
6−7
low / 720p
14−16
45−50
medium / 1080p
4−5
24−27
The average gaming FPS of Radeon RX Vega 7 in Far Cry 5 is 380% more, than GeForce GT 640.
high / 1080p
10−12
27−30
ultra / 1080p
5−6
21−24
QHD / 1440p
2−3
14−16
low / 720p
50−55
110−120
medium / 1080p
16−18
60−65
The average gaming FPS of Radeon RX Vega 7 in Fortnite is 182% more, than GeForce GT 640.
high / 1080p
6−7
30−33
ultra / 1080p
−
21−24
QHD / 1440p
4−5
10−12
4K / 2160p
2−3
−
low / 720p
21−24
60−65
medium / 1080p
9−10
30−35
The average gaming FPS of Radeon RX Vega 7 in Forza Horizon 4 is 240% more, than GeForce GT 640.
low / 768p
45−50
95−100
medium / 768p
−
85−90
high / 1080p
7−8
35−40
ultra / 1080p
3−4
14−16
QHD / 1440p
0−1
5−6
medium / 720p
40−45
−
The average gaming FPS of Radeon RX Vega 7 in Grand Theft Auto V is 163% more, than GeForce GT 640.
high / 1080p
2−3
10−12
ultra / 1080p
0−1
9−10
4K / 2160p
0−1
2−3
low / 720p
8−9
35−40
medium / 1080p
4−5
14−16
The average gaming FPS of Radeon RX Vega 7 in Metro Exodus is 320% more, than GeForce GT 640.
low / 768p
80−85
110−120
ultra / 1080p
70−75
−
medium / 1080p
−
110−120
The average gaming FPS of Radeon RX Vega 7 in Minecraft is 40% more, than GeForce GT 640.
ultra / 1080p
12−14
14−16
low / 720p
27−30
65−70
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon RX Vega 7 in PLAYERUNKNOWN'S BATTLEGROUNDS is 83% more, than GeForce GT 640.
high / 1080p
6−7
14−16
ultra / 1080p
4−5
9−10
QHD / 1440p
0−1
0−1
low / 720p
7−8
35−40
medium / 1080p
−
18−20
The average gaming FPS of Radeon RX Vega 7 in Red Dead Redemption 2 is 233% more, than GeForce GT 640.
low / 768p
14−16
65−70
medium / 768p
10−11
40−45
high / 1080p
5−6
21−24
ultra / 1080p
4−5
12−14
4K / 2160p
0−1
7−8
The average gaming FPS of Radeon RX Vega 7 in The Witcher 3: Wild Hunt is 350% more, than GeForce GT 640.
low / 768p
70−75
90−95
medium / 768p
35−40
60−65
ultra / 1080p
16−18
35−40
high / 768p
30−35
55−60
The average gaming FPS of Radeon RX Vega 7 in World of Tanks is 58% more, than GeForce GT 640.
Full Specs
GeForce GT 640
Radeon RX Vega 7
Architecture
Kepler
Vega
Code name
GK107
Vega Raven Ridge
Type
Desktop
Laptop
Release date
5 June 2012
7 January 2020
Pipelines
384
448
Core clock speed
902 MHz
Boost Clock
1600 MHz
Transistor count
1,270 million
Manufacturing process technology
28 nm
7 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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