Quadro K420 vs Radeon HD 6790

If you are going to buy a new graphics card and are choosing between Quadro K420 and Radeon HD 6790, 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 6790, check out specs charts below.

Quadro K420 Check Price

Radeon HD 6790 Check Price

Main Specs

	Quadro K420	Radeon HD 6790
Power consumption (TDP)	41 Watt	150 Watt
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Supplementary power connectors	None	2x 6-pin
Memory type	128 Bit	GDDR5
Maximum RAM amount	1 GB/2 GB	1 GB
Display Connectors	1x DVI, 1x DisplayPort	2x DVI, 1x HDMI, 1x DisplayPort
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Radeon HD 6790 has 265% more power consumption, than Quadro K420.
Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
Quadro K420 and Radeon HD 6790 have maximum RAM of 1 GB.
Both cards are used in Desktops.
Quadro K420 is build with Kepler architecture, and Radeon HD 6790 - with Terascale 2.
Core clock speed of Quadro K420 is 36 MHz higher, than Radeon HD 6790.
Quadro K420 is manufactured by 28 nm process technology, and Radeon HD 6790 - by 40 nm process technology.
Radeon HD 6790 is 38 mm longer, than Quadro K420.
Memory clock speed of Quadro K420 is 732 MHz higher, than Radeon HD 6790.

Game benchmarks


high / 1080p	0−1	7−8
ultra / 1080p	0−1	4−5
QHD / 1440p	0−1	0−1
low / 720p	9−10	18−20
medium / 1080p	1−2	9−10
The average gaming FPS of Radeon HD 6790 in Assassin's Creed Odyssey is 180% more, than Quadro K420.
high / 1080p	−	12−14
ultra / 1080p	1−2	10−12
QHD / 1440p	0−1	0−1
low / 720p	9−10	27−30
medium / 1080p	2−3	14−16
The average gaming FPS of Radeon HD 6790 in Battlefield 5 is 350% more, than Quadro K420.
low / 768p	50−55	45−50
high / 1080p	45−50	45−50
QHD / 1440p	0−1	0−1
The average gaming FPS of Quadro K420 in Call of Duty: Warzone is 6% more, than Radeon HD 6790.
low / 768p	100−110	140−150
medium / 768p	75−80	120−130
ultra / 1080p	30−35	60−65
QHD / 1440p	−	30−35
4K / 2160p	9−10	27−30
high / 768p	50−55	90−95
The average gaming FPS of Radeon HD 6790 in Counter-Strike: Global Offensive is 63% more, than Quadro K420.
low / 768p	70−75	55−60
ultra / 1080p	10−12	21−24
medium / 1080p	45−50	45−50
The average gaming FPS of Quadro K420 in Cyberpunk 2077 is 2% more, than Radeon HD 6790.
low / 768p	65−70	85−90
medium / 768p	35−40	65−70
ultra / 1080p	14−16	35−40
The average gaming FPS of Radeon HD 6790 in Dota 2 is 60% more, than Quadro K420.
high / 1080p	1−2	9−10
ultra / 1080p	−	8−9
4K / 2160p	0−1	4−5
low / 720p	7−8	21−24
medium / 1080p	2−3	10−11
The average gaming FPS of Radeon HD 6790 in Far Cry 5 is 366% more, than Quadro K420.
high / 1080p	−	16−18
ultra / 1080p	−	10−12
QHD / 1440p	0−1	−
low / 720p	40−45	65−70
medium / 1080p	4−5	27−30
The average gaming FPS of Radeon HD 6790 in Fortnite is 108% more, than Quadro K420.
high / 1080p	1−2	14−16
ultra / 1080p	−	12−14
QHD / 1440p	0−1	2−3
low / 720p	10−12	27−30
medium / 1080p	3−4	16−18
The average gaming FPS of Radeon HD 6790 in Forza Horizon 4 is 300% more, than Quadro K420.
low / 768p	35−40	55−60
medium / 768p	−	50−55
high / 1080p	1−2	14−16
ultra / 1080p	−	7−8
QHD / 1440p	0−1	0−1
medium / 720p	30−35	−
The average gaming FPS of Radeon HD 6790 in Grand Theft Auto V is 89% more, than Quadro K420.
high / 1080p	0−1	5−6
ultra / 1080p	0−1	4−5
4K / 2160p	0−1	0−1
low / 720p	1−2	14−16
medium / 1080p	−	7−8
The average gaming FPS of Radeon HD 6790 in Metro Exodus is 1400% more, than Quadro K420.
low / 768p	85−90	95−100
high / 1080p	50−55	90−95
ultra / 1080p	−	85−90
medium / 1080p	−	95−100
The average gaming FPS of Radeon HD 6790 in Minecraft is 35% more, than Quadro K420.
high / 1080p	14−16	16−18
ultra / 1080p	12−14	14−16
low / 720p	21−24	35−40
medium / 1080p	14−16	18−20
The average gaming FPS of Radeon HD 6790 in PLAYERUNKNOWN'S BATTLEGROUNDS is 37% more, than Quadro K420.
ultra / 1080p	−	8−9
QHD / 1440p	0−1	0−1
low / 720p	2−3	14−16
medium / 1080p	−	10−12
The average gaming FPS of Radeon HD 6790 in Red Dead Redemption 2 is 650% more, than Quadro K420.
low / 768p	4−5	27−30
medium / 768p	−	18−20
high / 1080p	2−3	10−11
ultra / 1080p	−	7−8
4K / 2160p	0−1	6−7
The average gaming FPS of Radeon HD 6790 in The Witcher 3: Wild Hunt is 533% more, than Quadro K420.
low / 768p	65−70	85−90
medium / 768p	30−35	45−50
ultra / 1080p	10−12	21−24
high / 768p	27−30	40−45
The average gaming FPS of Radeon HD 6790 in World of Tanks is 47% more, than Quadro K420.

Full Specs

	Quadro K420	Radeon HD 6790
Architecture	Kepler	Terascale 2
Code name	GK107	Barts
Type	Workstation	Desktop
Release date	22 July 2014	4 April 2011
Pipelines	192	800
Core clock speed	876 MHz	840 MHz
Transistor count	1,270 million	1,700 million
Manufacturing process technology	28 nm	40 nm
Texture fill rate	14.02	33.60
Floating-point performance	336.4 gflops	1,344.0 gflops
Length	160 mm	198 mm
Memory bus width	128 Bit	256 Bit
Memory clock speed	1782 MHz	1050 MHz
Memory bandwidth		134.4 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	122 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 6790

Main Specs

Game benchmarks

Full Specs

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