Quadro K420 vs Radeon HD 6990

When comparing Quadro K420 and Radeon HD 6990, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between Quadro K420 and Radeon HD 6990 is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.

Quadro K420 Check Price

Radeon HD 6990 Check Price

Main Specs

	Quadro K420	Radeon HD 6990
Power consumption (TDP)	41 Watt	375 Watt
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Supplementary power connectors	None	2x 8-pin
Memory type	128 Bit	GDDR5
Maximum RAM amount	1 GB/2 GB	2 GB
Display Connectors	1x DVI, 1x DisplayPort	1x DVI, 4x mini-DisplayPort
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Radeon HD 6990 has 814% more power consumption, than Quadro K420.
Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
Radeon HD 6990 has 1 GB more memory, than Quadro K420.
Both cards are used in Desktops.
Quadro K420 is build with Kepler architecture, and Radeon HD 6990 - with TeraScale 3.
Core clock speed of Quadro K420 is 46 MHz higher, than Radeon HD 6990.
Quadro K420 is manufactured by 28 nm process technology, and Radeon HD 6990 - by 40 nm process technology.
Radeon HD 6990 is 135 mm longer, than Quadro K420.
Memory clock speed of Radeon HD 6990 is 3218 MHz higher, than Quadro K420.

Game benchmarks


high / 1080p	0−1	14−16
ultra / 1080p	0−1	9−10
QHD / 1440p	0−1	3−4
low / 720p	9−10	30−35
medium / 1080p	1−2	18−20
The average gaming FPS of Radeon HD 6990 in Assassin's Creed Odyssey is 400% more, than Quadro K420.
high / 1080p	−	24−27
ultra / 1080p	1−2	21−24
QHD / 1440p	0−1	7−8
4K / 2160p	−	5−6
low / 720p	9−10	50−55
medium / 1080p	2−3	27−30
The average gaming FPS of Radeon HD 6990 in Battlefield 5 is 750% 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 6990.
low / 768p	100−110	210−220
medium / 768p	75−80	170−180
ultra / 1080p	30−35	95−100
QHD / 1440p	−	50−55
4K / 2160p	9−10	30−33
high / 768p	50−55	140−150
The average gaming FPS of Radeon HD 6990 in Counter-Strike: Global Offensive is 140% more, than Quadro K420.
low / 768p	70−75	55−60
ultra / 1080p	10−12	40−45
medium / 1080p	45−50	45−50
The average gaming FPS of Radeon HD 6990 in Cyberpunk 2077 is 13% more, than Quadro K420.
low / 768p	65−70	110−120
medium / 768p	35−40	90−95
ultra / 1080p	14−16	60−65
The average gaming FPS of Radeon HD 6990 in Dota 2 is 125% more, than Quadro K420.
high / 1080p	1−2	18−20
ultra / 1080p	−	16−18
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 6990 in Far Cry 5 is 733% 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 6990 in Fortnite is 226% more, than Quadro K420.
high / 1080p	1−2	24−27
ultra / 1080p	−	20−22
QHD / 1440p	0−1	9−10
low / 720p	10−12	50−55
medium / 1080p	3−4	27−30
The average gaming FPS of Radeon HD 6990 in Forza Horizon 4 is 600% more, than Quadro K420.
low / 768p	35−40	85−90
medium / 768p	−	75−80
high / 1080p	1−2	30−33
ultra / 1080p	−	12−14
QHD / 1440p	0−1	3−4
medium / 720p	30−35	−
The average gaming FPS of Radeon HD 6990 in Grand Theft Auto V is 210% 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 6990 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 6990 in Minecraft is 32% more, than Quadro K420.
high / 1080p	14−16	21−24
ultra / 1080p	12−14	18−20
low / 720p	21−24	55−60
medium / 1080p	14−16	24−27
The average gaming FPS of Radeon HD 6990 in PLAYERUNKNOWN'S BATTLEGROUNDS is 93% 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 6990 in Red Dead Redemption 2 is 1300% more, than Quadro K420.
low / 768p	4−5	55−60
medium / 768p	−	30−35
high / 1080p	2−3	18−20
ultra / 1080p	−	10−12
4K / 2160p	0−1	8−9
The average gaming FPS of Radeon HD 6990 in The Witcher 3: Wild Hunt is 1166% more, than Quadro K420.
low / 768p	65−70	100−110
medium / 768p	30−35	60−65
ultra / 1080p	10−12	35−40
high / 768p	27−30	50−55
The average gaming FPS of Radeon HD 6990 in World of Tanks is 88% more, than Quadro K420.

Full Specs

	Quadro K420	Radeon HD 6990
Architecture	Kepler	TeraScale 3
Code name	GK107	Antilles
Type	Workstation	Desktop
Release date	22 July 2014	8 March 2011
Pipelines	192	1536
Core clock speed	876 MHz	830 MHz
Transistor count	1,270 million	2,640 million
Manufacturing process technology	28 nm	40 nm
Texture fill rate	14.02	79.68
Floating-point performance	336.4 gflops	2x 2,549.8 gflops
Length	160 mm	295 mm
Memory bus width	128 Bit	256 Bit
Memory clock speed	1782 MHz	5000 MHz
Memory bandwidth		160.0 GB/s
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	265 Mh/s
Ethereum / ETH (DaggerHashimoto)		24 Mh/s
3D Vision Pro	+
Mosaic	+
Width	1" (2.5 cm)
Number of simultaneous displays	4
nView Desktop Management	+
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Quadro K420 vs Radeon HD 6990

Main Specs

Game benchmarks

Full Specs

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