GeForce GT 640M vs Quadro M620
Find out if it is worth upgrading your current GPU setup by comparing GeForce GT 640M and Quadro M620. 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 640M and Quadro M620. 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.
GeForce GT 640M and Quadro M620 are Laptop Graphics Cards
Note: GeForce GT 640M and Quadro M620 are only used in laptop graphics. They have 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 GeForce GT 640M or Quadro M620 here:
Main Specs
GeForce GT 640M
Quadro M620
Power consumption (TDP)
32 Watt
30 Watt
Interface
PCIe 3.0 x16
Memory type
DDR3\GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Display Connectors
No outputs
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GeForce GT 640M has 6% more power consumption, than Quadro M620.
GeForce GT 640M and Quadro M620 have maximum RAM of 2 GB.
GeForce GT 640M is used in Laptops, and Quadro M620 - in Mobile workstations.
GeForce GT 640M is build with Kepler architecture, and Quadro M620 - with Maxwell.
GeForce GT 640M and Quadro M620 are manufactured by 28 nm process technology.
Memory clock speed of Quadro M620 is 3212 MHz higher, than GeForce GT 640M.
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
0−1
14−16
ultra / 1080p
0−1
8−9
QHD / 1440p
0−1
3−4
low / 720p
10−12
30−35
medium / 1080p
2−3
18−20
The average gaming FPS of Quadro M620 in Assassin's Creed Odyssey is 316% more, than GeForce GT 640M.
high / 1080p
−
24−27
ultra / 1080p
3−4
20−22
QHD / 1440p
0−1
7−8
4K / 2160p
−
5−6
low / 720p
12−14
50−55
medium / 1080p
4−5
24−27
The average gaming FPS of Quadro M620 in Battlefield 5 is 371% more, than GeForce GT 640M.
low / 768p
50−55
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
The average gaming FPS of GeForce GT 640M in Call of Duty: Warzone is 10% more, than Quadro M620.
low / 768p
110−120
200−210
medium / 768p
85−90
170−180
ultra / 1080p
35−40
95−100
QHD / 1440p
−
50−55
4K / 2160p
10−11
30−33
high / 768p
55−60
130−140
The average gaming FPS of Quadro M620 in Counter-Strike: Global Offensive is 109% more, than GeForce GT 640M.
low / 768p
70−75
55−60
ultra / 1080p
12−14
35−40
medium / 1080p
45−50
45−50
The average gaming FPS of Quadro M620 in Cyberpunk 2077 is 6% more, than GeForce GT 640M.
low / 768p
70−75
100−110
medium / 768p
40−45
90−95
ultra / 1080p
18−20
60−65
The average gaming FPS of Quadro M620 in Dota 2 is 95% more, than GeForce GT 640M.
high / 1080p
2−3
16−18
ultra / 1080p
2−3
16−18
4K / 2160p
0−1
6−7
low / 720p
9−10
35−40
medium / 1080p
3−4
18−20
The average gaming FPS of Quadro M620 in Far Cry 5 is 450% more, than GeForce GT 640M.
high / 1080p
−
24−27
ultra / 1080p
5−6
18−20
QHD / 1440p
1−2
16−18
low / 720p
45−50
95−100
medium / 1080p
7−8
50−55
The average gaming FPS of Quadro M620 in Fortnite is 206% more, than GeForce GT 640M.
high / 1080p
2−3
24−27
ultra / 1080p
−
20−22
QHD / 1440p
0−1
8−9
low / 720p
14−16
50−55
medium / 1080p
5−6
27−30
The average gaming FPS of Quadro M620 in Forza Horizon 4 is 400% more, than GeForce GT 640M.
low / 768p
40−45
85−90
medium / 768p
−
75−80
high / 1080p
3−4
27−30
ultra / 1080p
2−3
12−14
QHD / 1440p
0−1
2−3
medium / 720p
30−35
−
The average gaming FPS of Quadro M620 in Grand Theft Auto V is 168% more, than GeForce GT 640M.
high / 1080p
1−2
9−10
ultra / 1080p
0−1
7−8
4K / 2160p
0−1
2−3
low / 720p
2−3
27−30
medium / 1080p
2−3
12−14
The average gaming FPS of Quadro M620 in Metro Exodus is 750% more, than GeForce GT 640M.
low / 768p
85−90
110−120
high / 1080p
55−60
−
ultra / 1080p
−
100−110
medium / 1080p
−
100−110
The average gaming FPS of Quadro M620 in Minecraft is 32% more, than GeForce GT 640M.
high / 1080p
14−16
21−24
ultra / 1080p
12−14
16−18
low / 720p
24−27
55−60
medium / 1080p
14−16
24−27
The average gaming FPS of Quadro M620 in PLAYERUNKNOWN'S BATTLEGROUNDS is 76% more, than GeForce GT 640M.
high / 1080p
−
14−16
ultra / 1080p
3−4
9−10
QHD / 1440p
0−1
0−1
low / 720p
3−4
27−30
medium / 1080p
−
16−18
The average gaming FPS of Quadro M620 in Red Dead Redemption 2 is 533% more, than GeForce GT 640M.
low / 768p
7−8
50−55
medium / 768p
6−7
30−35
high / 1080p
3−4
18−20
ultra / 1080p
−
10−12
4K / 2160p
0−1
8−9
The average gaming FPS of Quadro M620 in The Witcher 3: Wild Hunt is 580% more, than GeForce GT 640M.
low / 768p
70−75
100−110
medium / 768p
35−40
60−65
ultra / 1080p
12−14
30−35
high / 768p
27−30
50−55
The average gaming FPS of Quadro M620 in World of Tanks is 70% more, than GeForce GT 640M.
Full Specs
GeForce GT 640M
Quadro M620
Architecture
Kepler
Maxwell
Code name
N13P-GS
Type
Laptop
Mobile workstation
Release date
22 March 2012
13 January 2017
Pipelines
384
512
Core clock speed
1018 MHz
Boost Clock
645 MHz
Transistor count
1,270 million
Manufacturing process technology
28 nm
28 nm
Floating-point performance
480.0 gflops
Memory bus width
128bit
128 Bit
Memory clock speed
1800 - 4000 MHz
5012 MHz
Memory bandwidth
80 GB/s
Shared memory
-
-
DirectX
12 API
12
Shader Model
5.1
5.0
OpenGL
4.5
4.5
OpenCL
1.1
Vulkan
1.1.126
CUDA
+
CUDA cores
384
Bus support
PCI Express 2.0, PCI Express 3.0
HDMI
+
HDCP
+
Maximum VGA resolution
Up to 2048x1536
3D Blu-Ray
+
Bitcoin / BTC (SHA256)
18 Mh/s
Laptop size
medium sized
large
Optimus
+
+
Display Port
1.2
Mosaic
+
nView Display Management
+
3D Stereo
+
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