GeForce GT 640 vs GRID K520
Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640 and GRID K520. 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 GRID K520. 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.
GRID K520
Main Specs
GeForce GT 640
GRID K520
Power consumption (TDP)
65 Watt
225 Watt
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
1x 8-pin
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
4 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
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GRID K520 has 246% more power consumption, than GeForce GT 640.
Both video cards are using PCIe 3.0 x16 interface connection to a motherboard.
GRID K520 has 2 GB more memory, than GeForce GT 640.
Both cards are used in Desktops.
GeForce GT 640 and GRID K520 are build with Kepler architecture.
Core clock speed of GeForce GT 640 is 157 MHz higher, than GRID K520.
GeForce GT 640 and GRID K520 are manufactured by 28 nm process technology.
GRID K520 is 122 mm longer, than GeForce GT 640.
Memory clock speed of GRID K520 is 3218 MHz higher, than GeForce GT 640.
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
16−18
ultra / 1080p
1−2
9−10
QHD / 1440p
0−1
4−5
4K / 2160p
−
4−5
low / 720p
14−16
30−35
medium / 1080p
5−6
20−22
The average gaming FPS of GRID K520 in Assassin's Creed Odyssey is 233% more, than GeForce GT 640.
high / 1080p
7−8
24−27
ultra / 1080p
5−6
21−24
QHD / 1440p
0−1
9−10
4K / 2160p
−
6−7
low / 720p
20−22
55−60
medium / 1080p
7−8
27−30
The average gaming FPS of GRID K520 in Battlefield 5 is 230% more, than GeForce GT 640.
low / 768p
50−55
45−50
high / 1080p
35−40
−
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GT 640 in Call of Duty: Warzone is 10% more, than GRID K520.
low / 768p
110−120
210−220
medium / 768p
90−95
180−190
ultra / 1080p
45−50
100−110
QHD / 1440p
24−27
55−60
4K / 2160p
18−20
30−35
high / 768p
65−70
140−150
The average gaming FPS of GRID K520 in Counter-Strike: Global Offensive is 101% more, than GeForce GT 640.
low / 768p
70−75
55−60
ultra / 1080p
21−24
40−45
medium / 1080p
45−50
45−50
The average gaming FPS of GRID K520 in Cyberpunk 2077 is 4% more, than GeForce GT 640.
low / 768p
70−75
110−120
medium / 768p
50−55
95−100
ultra / 1080p
27−30
65−70
The average gaming FPS of GRID K520 in Dota 2 is 82% more, than GeForce GT 640.
high / 1080p
3−4
18−20
ultra / 1080p
3−4
18−20
QHD / 1440p
−
16−18
4K / 2160p
2−3
6−7
low / 720p
14−16
40−45
medium / 1080p
4−5
21−24
The average gaming FPS of GRID K520 in Far Cry 5 is 320% more, than GeForce GT 640.
high / 1080p
10−12
27−30
ultra / 1080p
5−6
21−24
QHD / 1440p
2−3
16−18
low / 720p
50−55
100−110
medium / 1080p
16−18
55−60
The average gaming FPS of GRID K520 in Fortnite is 170% more, than GeForce GT 640.
high / 1080p
6−7
27−30
ultra / 1080p
−
21−24
QHD / 1440p
4−5
10−11
4K / 2160p
2−3
10−11
low / 720p
21−24
55−60
medium / 1080p
9−10
30−35
The average gaming FPS of GRID K520 in Forza Horizon 4 is 200% more, than GeForce GT 640.
low / 768p
45−50
90−95
medium / 768p
−
80−85
high / 1080p
7−8
30−35
ultra / 1080p
3−4
12−14
QHD / 1440p
0−1
4−5
medium / 720p
40−45
−
The average gaming FPS of GRID K520 in Grand Theft Auto V is 142% more, than GeForce GT 640.
high / 1080p
2−3
10−11
ultra / 1080p
0−1
8−9
4K / 2160p
0−1
3−4
low / 720p
8−9
30−35
medium / 1080p
4−5
14−16
The average gaming FPS of GRID K520 in Metro Exodus is 280% more, than GeForce GT 640.
low / 768p
80−85
110−120
ultra / 1080p
70−75
−
medium / 1080p
−
100−110
The average gaming FPS of GRID K520 in Minecraft is 40% more, than GeForce GT 640.
high / 1080p
−
24−27
ultra / 1080p
12−14
18−20
low / 720p
27−30
60−65
medium / 1080p
14−16
24−27
The average gaming FPS of GRID K520 in PLAYERUNKNOWN'S BATTLEGROUNDS is 94% more, than GeForce GT 640.
high / 1080p
6−7
14−16
ultra / 1080p
4−5
10−11
QHD / 1440p
0−1
0−1
low / 720p
7−8
30−35
medium / 1080p
−
16−18
The average gaming FPS of GRID K520 in Red Dead Redemption 2 is 216% more, than GeForce GT 640.
low / 768p
14−16
60−65
medium / 768p
10−11
35−40
high / 1080p
5−6
20−22
ultra / 1080p
4−5
12−14
4K / 2160p
0−1
8−9
The average gaming FPS of GRID K520 in The Witcher 3: Wild Hunt is 312% more, than GeForce GT 640.
low / 768p
70−75
100−110
medium / 768p
35−40
60−65
ultra / 1080p
16−18
35−40
high / 768p
30−35
55−60
The average gaming FPS of GRID K520 in World of Tanks is 66% more, than GeForce GT 640.
Full Specs
GeForce GT 640
GRID K520
Architecture
Kepler
Kepler
Code name
GK107
GK104
Type
Desktop
Workstation
Release date
5 June 2012
23 July 2013
Pipelines
384
1536
Core clock speed
902 MHz
745 MHz
Transistor count
1,270 million
3,540 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
28.86
95.36
Floating-point performance
692.7 gflops
2x 2,448 gflops
Length
145 mm
267 mm
Memory bus width
128 Bit
256 Bit
Memory clock speed
1782 MHz
5000 MHz
Memory bandwidth
28.51 GB/s
160.0 GB/s
DirectX
12 (11_0)
12 (11_0)
Shader Model
5.1
5.1
OpenGL
4.6
4.6
OpenCL
1.2
1.2
Vulkan
1.1.126
1.1.126
CUDA
3.0
3.0
Bitcoin / BTC (SHA256)
24 Mh/s
76 Mh/s
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