Quadro K620M vs Radeon HD 6990M Crossfire
If you are going to buy a new graphics card and are choosing between Quadro K620M and Radeon HD 6990M Crossfire, 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 Quadro K620M stacks up against Radeon HD 6990M Crossfire, check out specs charts below.
Quadro K620M and Radeon HD 6990M Crossfire are Laptop Graphics Cards
Note: Quadro K620M and Radeon HD 6990M Crossfire 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 Quadro K620M or Radeon HD 6990M Crossfire here:
Main Specs
Quadro K620M
Radeon HD 6990M Crossfire
Power consumption (TDP)
30 Watt
Interface
MXM-A (3.0)
Supplementary power connectors
None
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
2x2 GB
Display Connectors
No outputs
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Quadro K620M and Radeon HD 6990M Crossfire have maximum RAM of 2 GB.
Quadro K620M is used in Mobile workstations, and Radeon HD 6990M Crossfire - in Laptops.
Quadro K620M is build with Maxwell architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
Core clock speed of Quadro K620M is 314 MHz higher, than Radeon HD 6990M Crossfire.
Quadro K620M is manufactured by 28 nm process technology, and Radeon HD 6990M Crossfire - by 40 nm process technology.
Memory clock speed of Quadro K620M is 1100 MHz higher, than Radeon HD 6990M Crossfire.
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
3−4
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 HD 6990M Crossfire in Assassin's Creed Odyssey is 583% more, than Quadro K620M.
high / 1080p
7−8
55−60
ultra / 1080p
5−6
45−50
QHD / 1440p
0−1
35−40
4K / 2160p
−
18−20
low / 720p
18−20
100−110
medium / 1080p
8−9
60−65
The average gaming FPS of Radeon HD 6990M Crossfire in Battlefield 5 is 580% more, than Quadro K620M.
low / 768p
45−50
50−55
high / 1080p
40−45
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon HD 6990M Crossfire in Call of Duty: Warzone is 10% more, than Quadro K620M.
low / 768p
120−130
250−260
medium / 768p
95−100
220−230
ultra / 1080p
45−50
180−190
QHD / 1440p
24−27
110−120
4K / 2160p
−
70−75
high / 768p
70−75
210−220
The average gaming FPS of Radeon HD 6990M Crossfire in Counter-Strike: Global Offensive is 172% more, than Quadro K620M.
low / 768p
70−75
60−65
ultra / 1080p
20−22
−
medium / 1080p
40−45
55−60
The average gaming FPS of Radeon HD 6990M Crossfire in Cyberpunk 2077 is 5% more, than Quadro K620M.
low / 768p
75−80
120−130
medium / 768p
55−60
110−120
ultra / 1080p
27−30
100−110
The average gaming FPS of Radeon HD 6990M Crossfire in Dota 2 is 112% more, than Quadro K620M.
high / 1080p
4−5
45−50
ultra / 1080p
3−4
40−45
QHD / 1440p
−
27−30
4K / 2160p
0−1
14−16
low / 720p
14−16
80−85
medium / 1080p
5−6
45−50
The average gaming FPS of Radeon HD 6990M Crossfire in Far Cry 5 is 685% more, than Quadro K620M.
high / 1080p
12−14
60−65
ultra / 1080p
7−8
45−50
QHD / 1440p
4−5
27−30
4K / 2160p
−
27−30
low / 720p
55−60
180−190
medium / 1080p
14−16
110−120
The average gaming FPS of Radeon HD 6990M Crossfire in Fortnite is 357% more, than Quadro K620M.
high / 1080p
6−7
60−65
ultra / 1080p
6−7
45−50
QHD / 1440p
0−1
30−35
4K / 2160p
−
24−27
low / 720p
21−24
100−110
medium / 1080p
9−10
65−70
The average gaming FPS of Radeon HD 6990M Crossfire in Forza Horizon 4 is 536% more, than Quadro K620M.
low / 768p
45−50
140−150
medium / 768p
−
120−130
high / 1080p
8−9
70−75
ultra / 1080p
3−4
30−35
QHD / 1440p
0−1
21−24
medium / 720p
40−45
−
The average gaming FPS of Radeon HD 6990M Crossfire in Grand Theft Auto V is 336% more, than Quadro K620M.
high / 1080p
2−3
24−27
ultra / 1080p
0−1
20−22
QHD / 1440p
−
16−18
4K / 2160p
0−1
8−9
low / 720p
7−8
65−70
medium / 1080p
3−4
30−35
The average gaming FPS of Radeon HD 6990M Crossfire in Metro Exodus is 925% more, than Quadro K620M.
low / 768p
85−90
130−140
high / 1080p
65−70
−
medium / 1080p
−
120−130
The average gaming FPS of Radeon HD 6990M Crossfire in Minecraft is 55% more, than Quadro K620M.
ultra / 1080p
12−14
14−16
low / 720p
27−30
100−110
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 6990M Crossfire in PLAYERUNKNOWN'S BATTLEGROUNDS is 155% more, than Quadro K620M.
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 HD 6990M Crossfire in Red Dead Redemption 2 is 500% more, than Quadro K620M.
low / 768p
16−18
130−140
medium / 768p
12−14
85−90
high / 1080p
6−7
45−50
ultra / 1080p
4−5
24−27
4K / 2160p
1−2
16−18
The average gaming FPS of Radeon HD 6990M Crossfire in The Witcher 3: Wild Hunt is 675% more, than Quadro K620M.
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 HD 6990M Crossfire in World of Tanks is 71% more, than Quadro K620M.
Full Specs
Quadro K620M
Radeon HD 6990M Crossfire
Architecture
Maxwell
Terascale 2
Code name
GM108
Blackcomb XTX
Type
Mobile workstation
Laptop
Release date
1 March 2015
12 July 2011
Pipelines
384
2240
Core clock speed
1029 MHz
715 MHz
Boost Clock
1124 MHz
Transistor count
2x1700 Million
Manufacturing process technology
28 nm
40 nm
Texture fill rate
17.98
Floating-point performance
863.2 gflops
Memory bus width
64 Bit
256 Bit
Memory clock speed
2000 MHz
900 MHz
Memory bandwidth
14.4 GB/s
Shared memory
-
-
DirectX
12
DirectX 11, Shader 5.0
Shader Model
5
OpenGL
4.5
OpenCL
1.2
Vulkan
1.1.126
CUDA
+
Bitcoin / BTC (SHA256)
92 Mh/s
Laptop size
large
Optimus
+
Display Port
1.2
nView Display Management
+
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