GeForce GT 640 vs Radeon Pro Vega 20
Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640 and Radeon Pro Vega 20. 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 GT 640 and Radeon Pro Vega 20. 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 Pro Vega 20 is a Laptop Graphics Card
Note: Radeon Pro Vega 20 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 Pro Vega 20 here:
Main Specs
GeForce GT 640
Radeon Pro Vega 20
Power consumption (TDP)
65 Watt
100 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin + 1x 8-pin
Memory type
DDR3
HBM2
Maximum RAM amount
2 GB
4 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
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Radeon Pro Vega 20 has 53% more power consumption, than GeForce GT 640.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
Radeon Pro Vega 20 has 2 GB more memory, than GeForce GT 640.
GeForce GT 640 is used in Desktops, and Radeon Pro Vega 20 - in Mobile workstations.
GeForce GT 640 is build with Kepler architecture, and Radeon Pro Vega 20 - with Vega.
Core clock speed of GeForce GT 640 is 87 MHz higher, than Radeon Pro Vega 20.
GeForce GT 640 is manufactured by 28 nm process technology, and Radeon Pro Vega 20 - by 14 nm process technology.
Memory clock speed of GeForce GT 640 is 302 MHz higher, than Radeon Pro Vega 20.
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
35−40
ultra / 1080p
1−2
21−24
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
14−16
60−65
medium / 1080p
5−6
40−45
The average gaming FPS of Radeon Pro Vega 20 in Assassin's Creed Odyssey is 583% more, than GeForce GT 640.
high / 1080p
7−8
55−60
ultra / 1080p
5−6
45−50
QHD / 1440p
0−1
35−40
4K / 2160p
−
18−20
low / 720p
20−22
100−110
medium / 1080p
7−8
60−65
The average gaming FPS of Radeon Pro Vega 20 in Battlefield 5 is 580% more, than GeForce GT 640.
low / 768p
50−55
50−55
high / 1080p
35−40
−
QHD / 1440p
0−1
0−1
GeForce GT 640 and Radeon Pro Vega 20 have the same average FPS in Call of Duty: Warzone.
low / 768p
110−120
250−260
medium / 768p
90−95
220−230
ultra / 1080p
45−50
180−190
QHD / 1440p
24−27
110−120
4K / 2160p
18−20
70−75
high / 768p
65−70
210−220
The average gaming FPS of Radeon Pro Vega 20 in Counter-Strike: Global Offensive is 190% more, than GeForce GT 640.
low / 768p
70−75
60−65
ultra / 1080p
21−24
−
medium / 1080p
45−50
55−60
GeForce GT 640 and Radeon Pro Vega 20 have the same average FPS in Cyberpunk 2077.
low / 768p
70−75
120−130
medium / 768p
50−55
110−120
ultra / 1080p
27−30
100−110
The average gaming FPS of Radeon Pro Vega 20 in Dota 2 is 125% more, than GeForce GT 640.
high / 1080p
3−4
45−50
ultra / 1080p
3−4
40−45
QHD / 1440p
−
27−30
4K / 2160p
2−3
14−16
low / 720p
14−16
80−85
medium / 1080p
4−5
45−50
The average gaming FPS of Radeon Pro Vega 20 in Far Cry 5 is 840% more, than GeForce GT 640.
high / 1080p
10−12
60−65
ultra / 1080p
5−6
45−50
QHD / 1440p
2−3
27−30
4K / 2160p
−
27−30
low / 720p
50−55
180−190
medium / 1080p
16−18
110−120
The average gaming FPS of Radeon Pro Vega 20 in Fortnite is 411% more, than GeForce GT 640.
high / 1080p
6−7
60−65
ultra / 1080p
−
45−50
QHD / 1440p
4−5
30−35
4K / 2160p
2−3
24−27
low / 720p
21−24
100−110
medium / 1080p
9−10
65−70
The average gaming FPS of Radeon Pro Vega 20 in Forza Horizon 4 is 544% more, than GeForce GT 640.
low / 768p
45−50
140−150
medium / 768p
−
120−130
high / 1080p
7−8
70−75
ultra / 1080p
3−4
30−35
QHD / 1440p
0−1
21−24
medium / 720p
40−45
−
The average gaming FPS of Radeon Pro Vega 20 in Grand Theft Auto V is 336% more, than GeForce GT 640.
high / 1080p
2−3
24−27
ultra / 1080p
0−1
20−22
QHD / 1440p
−
16−18
4K / 2160p
0−1
8−9
low / 720p
8−9
65−70
medium / 1080p
4−5
30−35
The average gaming FPS of Radeon Pro Vega 20 in Metro Exodus is 720% more, than GeForce GT 640.
low / 768p
80−85
130−140
ultra / 1080p
70−75
−
medium / 1080p
−
120−130
The average gaming FPS of Radeon Pro Vega 20 in Minecraft is 64% more, than GeForce GT 640.
ultra / 1080p
12−14
14−16
low / 720p
27−30
100−110
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon Pro Vega 20 in PLAYERUNKNOWN'S BATTLEGROUNDS is 155% more, than GeForce GT 640.
high / 1080p
6−7
24−27
ultra / 1080p
4−5
16−18
QHD / 1440p
0−1
10−11
4K / 2160p
−
7−8
low / 720p
7−8
65−70
medium / 1080p
−
35−40
The average gaming FPS of Radeon Pro Vega 20 in Red Dead Redemption 2 is 500% more, than GeForce GT 640.
low / 768p
14−16
130−140
medium / 768p
10−11
85−90
high / 1080p
5−6
45−50
ultra / 1080p
4−5
24−27
4K / 2160p
0−1
16−18
The average gaming FPS of Radeon Pro Vega 20 in The Witcher 3: Wild Hunt is 812% more, than GeForce GT 640.
low / 768p
70−75
90−95
medium / 768p
35−40
60−65
ultra / 1080p
16−18
50−55
high / 768p
30−35
60−65
The average gaming FPS of Radeon Pro Vega 20 in World of Tanks is 71% more, than GeForce GT 640.
Full Specs
GeForce GT 640
Radeon Pro Vega 20
Architecture
Kepler
Vega
Code name
GK107
Vega Mobile
Type
Desktop
Mobile workstation
Release date
5 June 2012
15 November 2018
Pipelines
384
1280
Core clock speed
902 MHz
815 MHz
Boost Clock
1283 MHz
Transistor count
1,270 million
Manufacturing process technology
28 nm
14 nm
Texture fill rate
28.86
102.6
Floating-point performance
692.7 gflops
Length
145 mm
Memory bus width
128 Bit
1024 Bit
Memory clock speed
1782 MHz
1480 MHz
Memory bandwidth
28.51 GB/s
189.4 GB/s
Shared memory
-
DirectX
12 (11_0)
12 (12_1)
Shader Model
5.1
6.3
OpenGL
4.6
4.6
OpenCL
1.2
2.0
Vulkan
1.1.126
1.2.131
CUDA
3.0
Bitcoin / BTC (SHA256)
24 Mh/s
Laptop size
large
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