Quadro K420 vs Radeon HD 6990M
If you are going to buy a new graphics card and are choosing between Quadro K420 and Radeon HD 6990M, 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 K420 stacks up against Radeon HD 6990M, check out specs charts below.
Radeon HD 6990M is a Laptop Graphics Card
Note: Radeon HD 6990M 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 HD 6990M here:
Main Specs
Quadro K420
Radeon HD 6990M
Power consumption (TDP)
41 Watt
100 Watt
Interface
PCIe 2.0 x16
MXM-B (3.0)
Supplementary power connectors
None
None
Memory type
128 Bit
GDDR5
Maximum RAM amount
1 GB/2 GB
2 GB
Display Connectors
1x DVI, 1x DisplayPort
No outputs
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Radeon HD 6990M has 143% more power consumption, than Quadro K420.
Quadro K420 is connected by PCIe 2.0 x16, and Radeon HD 6990M uses MXM-B (3.0) interface.
Radeon HD 6990M has 1 GB more memory, than Quadro K420.
Quadro K420 is used in Desktops, and Radeon HD 6990M - in Laptops.
Quadro K420 is build with Kepler architecture, and Radeon HD 6990M - with Terascale 2.
Core clock speed of Quadro K420 is 161 MHz higher, than Radeon HD 6990M.
Quadro K420 is manufactured by 28 nm process technology, and Radeon HD 6990M - by 40 nm process technology.
Memory clock speed of Quadro K420 is 882 MHz higher, than Radeon HD 6990M.
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
9−10
30−33
medium / 1080p
1−2
16−18
The average gaming FPS of Radeon HD 6990M in Assassin's Creed Odyssey is 380% more, than Quadro K420.
high / 1080p
−
21−24
ultra / 1080p
1−2
18−20
QHD / 1440p
0−1
6−7
4K / 2160p
−
5−6
low / 720p
9−10
45−50
medium / 1080p
2−3
24−27
The average gaming FPS of Radeon HD 6990M in Battlefield 5 is 650% more, than Quadro K420.
low / 768p
50−55
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Quadro K420 in Call of Duty: Warzone is 10% more, than Radeon HD 6990M.
low / 768p
100−110
200−210
medium / 768p
75−80
170−180
ultra / 1080p
30−35
90−95
QHD / 1440p
−
50−55
4K / 2160p
9−10
30−33
high / 768p
50−55
130−140
The average gaming FPS of Radeon HD 6990M in Counter-Strike: Global Offensive is 130% more, than Quadro K420.
low / 768p
70−75
55−60
ultra / 1080p
10−12
35−40
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6990M in Cyberpunk 2077 is 9% more, than Quadro K420.
low / 768p
65−70
100−110
medium / 768p
35−40
90−95
ultra / 1080p
14−16
60−65
The average gaming FPS of Radeon HD 6990M in Dota 2 is 115% more, than Quadro K420.
high / 1080p
1−2
16−18
ultra / 1080p
−
14−16
4K / 2160p
0−1
6−7
low / 720p
7−8
35−40
medium / 1080p
2−3
18−20
The average gaming FPS of Radeon HD 6990M in Far Cry 5 is 700% more, than Quadro K420.
high / 1080p
−
24−27
ultra / 1080p
−
18−20
QHD / 1440p
0−1
16−18
low / 720p
40−45
95−100
medium / 1080p
4−5
50−55
The average gaming FPS of Radeon HD 6990M in Fortnite is 226% more, than Quadro K420.
high / 1080p
1−2
24−27
ultra / 1080p
−
18−20
QHD / 1440p
0−1
8−9
low / 720p
10−12
50−55
medium / 1080p
3−4
27−30
The average gaming FPS of Radeon HD 6990M in Forza Horizon 4 is 600% more, than Quadro K420.
low / 768p
35−40
80−85
medium / 768p
−
70−75
high / 1080p
1−2
27−30
ultra / 1080p
−
10−12
QHD / 1440p
0−1
2−3
medium / 720p
30−35
−
The average gaming FPS of Radeon HD 6990M in Grand Theft Auto V is 189% more, than Quadro K420.
high / 1080p
0−1
9−10
ultra / 1080p
0−1
7−8
4K / 2160p
0−1
2−3
low / 720p
1−2
27−30
medium / 1080p
−
12−14
The average gaming FPS of Radeon HD 6990M in Metro Exodus is 2700% more, than Quadro K420.
low / 768p
85−90
110−120
high / 1080p
50−55
−
ultra / 1080p
−
100−110
medium / 1080p
−
100−110
The average gaming FPS of Radeon HD 6990M in Minecraft is 32% more, than Quadro K420.
high / 1080p
14−16
21−24
ultra / 1080p
12−14
16−18
low / 720p
21−24
55−60
medium / 1080p
14−16
24−27
The average gaming FPS of Radeon HD 6990M in PLAYERUNKNOWN'S BATTLEGROUNDS is 87% more, than Quadro K420.
high / 1080p
−
14−16
ultra / 1080p
−
9−10
QHD / 1440p
0−1
0−1
low / 720p
2−3
27−30
medium / 1080p
−
16−18
The average gaming FPS of Radeon HD 6990M in Red Dead Redemption 2 is 1300% more, than Quadro K420.
low / 768p
4−5
50−55
medium / 768p
−
30−35
high / 1080p
2−3
18−20
ultra / 1080p
−
10−11
4K / 2160p
0−1
8−9
The average gaming FPS of Radeon HD 6990M in The Witcher 3: Wild Hunt is 1066% more, than Quadro K420.
low / 768p
65−70
100−105
medium / 768p
30−35
60−65
ultra / 1080p
10−12
30−35
high / 768p
27−30
50−55
The average gaming FPS of Radeon HD 6990M in World of Tanks is 82% more, than Quadro K420.
Full Specs
Quadro K420
Radeon HD 6990M
Architecture
Kepler
Terascale 2
Code name
GK107
Blackcomb XTX
Type
Workstation
Laptop
Release date
22 July 2014
12 July 2011
Pipelines
192
1120
Core clock speed
876 MHz
715 MHz
Transistor count
1,270 million
1,700 million
Manufacturing process technology
28 nm
40 nm
Texture fill rate
14.02
40.04
Floating-point performance
336.4 gflops
1,601.6 gflops
Length
160 mm
Memory bus width
128 Bit
256 Bit
Memory clock speed
1782 MHz
900 MHz
Memory bandwidth
115.2 GB/s
Shared memory
-
DirectX
12
11.2 (11_0)
Shader Model
5
5.0
OpenGL
4.5
4.4
OpenCL
1.2
1.2
Vulkan
+
N/A
CUDA
3.0
Bitcoin / BTC (SHA256)
11 Mh/s
Laptop size
large
3D Vision Pro
+
Mosaic
+
Width
1" (2.5 cm)
Number of simultaneous displays
4
nView Desktop Management
+
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