GeForce GT 640 vs Quadro M620
If you are going to buy a new graphics card and are choosing between GeForce GT 640 and Quadro M620, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce GT 640 stacks up against Quadro M620, check out specs charts below.
Quadro M620 is a Laptop Graphics Card
Note: Quadro M620 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 Quadro M620 here:
Main Specs
GeForce GT 640
Quadro M620
Power consumption (TDP)
65 Watt
30 Watt
Interface
PCIe 3.0 x16
Supplementary power connectors
None
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
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GeForce GT 640 has 116% more power consumption, than Quadro M620.
GeForce GT 640 and Quadro M620 have maximum RAM of 2 GB.
GeForce GT 640 is used in Desktops, and Quadro M620 - in Mobile workstations.
GeForce GT 640 is build with Kepler architecture, and Quadro M620 - with Maxwell.
Core clock speed of Quadro M620 is 116 MHz higher, than GeForce GT 640.
GeForce GT 640 and Quadro M620 are manufactured by 28 nm process technology.
Memory clock speed of Quadro M620 is 3230 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
14−16
ultra / 1080p
1−2
8−9
QHD / 1440p
0−1
3−4
low / 720p
14−16
30−35
medium / 1080p
5−6
18−20
The average gaming FPS of Quadro M620 in Assassin's Creed Odyssey is 200% more, than GeForce GT 640.
high / 1080p
7−8
24−27
ultra / 1080p
5−6
20−22
QHD / 1440p
0−1
7−8
4K / 2160p
−
5−6
low / 720p
20−22
50−55
medium / 1080p
7−8
24−27
The average gaming FPS of Quadro M620 in Battlefield 5 is 210% 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 Quadro M620.
low / 768p
110−120
200−210
medium / 768p
90−95
170−180
ultra / 1080p
45−50
95−100
QHD / 1440p
24−27
50−55
4K / 2160p
18−20
30−33
high / 768p
65−70
130−140
The average gaming FPS of Quadro M620 in Counter-Strike: Global Offensive is 90% more, than GeForce GT 640.
low / 768p
70−75
55−60
ultra / 1080p
21−24
35−40
medium / 1080p
45−50
45−50
GeForce GT 640 and Quadro M620 have the same average FPS in Cyberpunk 2077.
low / 768p
70−75
100−110
medium / 768p
50−55
90−95
ultra / 1080p
27−30
60−65
The average gaming FPS of Quadro M620 in Dota 2 is 68% more, than GeForce GT 640.
high / 1080p
3−4
16−18
ultra / 1080p
3−4
16−18
4K / 2160p
2−3
6−7
low / 720p
14−16
35−40
medium / 1080p
4−5
18−20
The average gaming FPS of Quadro M620 in Far Cry 5 is 280% more, than GeForce GT 640.
high / 1080p
10−12
24−27
ultra / 1080p
5−6
18−20
QHD / 1440p
2−3
16−18
low / 720p
50−55
95−100
medium / 1080p
16−18
50−55
The average gaming FPS of Quadro M620 in Fortnite is 147% more, than GeForce GT 640.
high / 1080p
6−7
24−27
ultra / 1080p
−
20−22
QHD / 1440p
4−5
8−9
4K / 2160p
2−3
−
low / 720p
21−24
50−55
medium / 1080p
9−10
27−30
The average gaming FPS of Quadro M620 in Forza Horizon 4 is 180% more, than GeForce GT 640.
low / 768p
45−50
85−90
medium / 768p
−
75−80
high / 1080p
7−8
27−30
ultra / 1080p
3−4
12−14
QHD / 1440p
0−1
2−3
medium / 720p
40−45
−
The average gaming FPS of Quadro M620 in Grand Theft Auto V is 126% more, than GeForce GT 640.
high / 1080p
2−3
9−10
ultra / 1080p
0−1
7−8
4K / 2160p
0−1
2−3
low / 720p
8−9
27−30
medium / 1080p
4−5
12−14
The average gaming FPS of Quadro M620 in Metro Exodus is 240% more, than GeForce GT 640.
low / 768p
80−85
110−120
ultra / 1080p
70−75
100−110
medium / 1080p
−
100−110
The average gaming FPS of Quadro M620 in Minecraft is 42% more, than GeForce GT 640.
high / 1080p
−
21−24
ultra / 1080p
12−14
16−18
low / 720p
27−30
55−60
medium / 1080p
14−16
24−27
The average gaming FPS of Quadro M620 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
27−30
medium / 1080p
−
16−18
The average gaming FPS of Quadro M620 in Red Dead Redemption 2 is 183% more, than GeForce GT 640.
low / 768p
14−16
50−55
medium / 768p
10−11
30−35
high / 1080p
5−6
18−20
ultra / 1080p
4−5
10−12
4K / 2160p
0−1
8−9
The average gaming FPS of Quadro M620 in The Witcher 3: Wild Hunt is 250% more, than GeForce GT 640.
low / 768p
70−75
100−110
medium / 768p
35−40
60−65
ultra / 1080p
16−18
30−35
high / 768p
30−35
50−55
The average gaming FPS of Quadro M620 in World of Tanks is 61% more, than GeForce GT 640.
Full Specs
GeForce GT 640
Quadro M620
Architecture
Kepler
Maxwell
Code name
GK107
Type
Desktop
Mobile workstation
Release date
5 June 2012
13 January 2017
Pipelines
384
512
Core clock speed
902 MHz
1018 MHz
Transistor count
1,270 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
28.86
Floating-point performance
692.7 gflops
Length
145 mm
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
5012 MHz
Memory bandwidth
28.51 GB/s
80 GB/s
Shared memory
-
DirectX
12 (11_0)
12
Shader Model
5.1
5.0
OpenGL
4.6
4.5
OpenCL
1.2
Vulkan
1.1.126
CUDA
3.0
Bitcoin / BTC (SHA256)
24 Mh/s
Laptop size
large
Optimus
+
Display Port
1.2
Mosaic
+
nView Display Management
+
3D Stereo
+
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