Quadro K420 vs Radeon HD 7870 XT

If you are going to buy a new graphics card and are choosing between Quadro K420 and Radeon HD 7870 XT, 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 7870 XT, check out specs charts below.

Quadro K420 Check Price

Radeon HD 7870 XT

Main Specs

	Quadro K420	Radeon HD 7870 XT
Power consumption (TDP)	41 Watt	185 Watt
Interface	PCIe 2.0 x16	PCIe 3.0 x16
Supplementary power connectors	None	2x 6-pin
Memory type	128 Bit	GDDR5
Maximum RAM amount	1 GB/2 GB	2 GB
Display Connectors	1x DVI, 1x DisplayPort	1x DVI, 1x HDMI, 2x mini-DisplayPort
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Radeon HD 7870 XT has 351% more power consumption, than Quadro K420.
Quadro K420 is connected by PCIe 2.0 x16, and Radeon HD 7870 XT uses PCIe 3.0 x16 interface.
Radeon HD 7870 XT has 1 GB more memory, than Quadro K420.
Both cards are used in Desktops.
Quadro K420 is build with Kepler architecture, and Radeon HD 7870 XT - with GCN 1.0.
Core clock speed of Radeon HD 7870 XT is 49 MHz higher, than Quadro K420.
Quadro K420 and Radeon HD 7870 XT are manufactured by 28 nm process technology.
Radeon HD 7870 XT is 107 mm longer, than Quadro K420.
Memory clock speed of Radeon HD 7870 XT is 4218 MHz higher, than Quadro K420.

Game benchmarks


high / 1080p	0−1	35−40
ultra / 1080p	0−1	21−24
QHD / 1440p	0−1	16−18
4K / 2160p	−	10−11
low / 720p	9−10	60−65
medium / 1080p	1−2	40−45
The average gaming FPS of Radeon HD 7870 XT in Assassin's Creed Odyssey is 940% more, than Quadro K420.
high / 1080p	−	55−60
ultra / 1080p	1−2	45−50
QHD / 1440p	0−1	35−40
4K / 2160p	−	18−20
low / 720p	9−10	100−110
medium / 1080p	2−3	60−65
The average gaming FPS of Radeon HD 7870 XT in Battlefield 5 is 1675% more, than Quadro K420.
low / 768p	50−55	50−55
high / 1080p	45−50	−
QHD / 1440p	0−1	0−1
Quadro K420 and Radeon HD 7870 XT have the same average FPS in Call of Duty: Warzone.
low / 768p	100−110	250−260
medium / 768p	75−80	220−230
ultra / 1080p	30−35	180−190
QHD / 1440p	−	110−120
4K / 2160p	9−10	70−75
high / 768p	50−55	210−220
The average gaming FPS of Radeon HD 7870 XT in Counter-Strike: Global Offensive is 245% more, than Quadro K420.
low / 768p	70−75	60−65
ultra / 1080p	10−12	−
medium / 1080p	45−50	55−60
Quadro K420 and Radeon HD 7870 XT have the same average FPS in Cyberpunk 2077.
low / 768p	65−70	120−130
medium / 768p	35−40	110−120
ultra / 1080p	14−16	100−110
The average gaming FPS of Radeon HD 7870 XT in Dota 2 is 187% more, than Quadro K420.
high / 1080p	1−2	45−50
ultra / 1080p	−	40−45
QHD / 1440p	−	27−30
4K / 2160p	0−1	14−16
low / 720p	7−8	80−85
medium / 1080p	2−3	45−50
The average gaming FPS of Radeon HD 7870 XT in Far Cry 5 is 1866% more, than Quadro K420.
high / 1080p	−	60−65
ultra / 1080p	−	45−50
QHD / 1440p	0−1	27−30
4K / 2160p	−	27−30
low / 720p	40−45	180−190
medium / 1080p	4−5	110−120
The average gaming FPS of Radeon HD 7870 XT in Fortnite is 552% more, than Quadro K420.
high / 1080p	1−2	60−65
ultra / 1080p	−	45−50
QHD / 1440p	0−1	30−35
4K / 2160p	−	24−27
low / 720p	10−12	100−110
medium / 1080p	3−4	65−70
The average gaming FPS of Radeon HD 7870 XT in Forza Horizon 4 is 1460% more, than Quadro K420.
low / 768p	35−40	140−150
medium / 768p	−	120−130
high / 1080p	1−2	70−75
ultra / 1080p	−	30−35
QHD / 1440p	0−1	21−24
medium / 720p	30−35	−
The average gaming FPS of Radeon HD 7870 XT in Grand Theft Auto V is 468% more, than Quadro K420.
high / 1080p	0−1	24−27
ultra / 1080p	0−1	20−22
QHD / 1440p	−	16−18
4K / 2160p	0−1	8−9
low / 720p	1−2	65−70
medium / 1080p	−	30−35
The average gaming FPS of Radeon HD 7870 XT in Metro Exodus is 6600% more, than Quadro K420.
low / 768p	85−90	130−140
high / 1080p	50−55	−
medium / 1080p	−	120−130
The average gaming FPS of Radeon HD 7870 XT in Minecraft is 55% more, than Quadro K420.
high / 1080p	14−16	−
ultra / 1080p	12−14	14−16
low / 720p	21−24	100−110
medium / 1080p	14−16	18−20
The average gaming FPS of Radeon HD 7870 XT in PLAYERUNKNOWN'S BATTLEGROUNDS is 187% more, than Quadro K420.
high / 1080p	−	24−27
ultra / 1080p	−	16−18
QHD / 1440p	0−1	10−11
4K / 2160p	−	7−8
low / 720p	2−3	65−70
medium / 1080p	−	35−40
The average gaming FPS of Radeon HD 7870 XT in Red Dead Redemption 2 is 3250% more, than Quadro K420.
low / 768p	4−5	130−140
medium / 768p	−	85−90
high / 1080p	2−3	45−50
ultra / 1080p	−	24−27
4K / 2160p	0−1	16−18
The average gaming FPS of Radeon HD 7870 XT in The Witcher 3: Wild Hunt is 2933% more, than Quadro K420.
low / 768p	65−70	90−95
medium / 768p	30−35	60−65
ultra / 1080p	10−12	50−55
high / 768p	27−30	60−65
The average gaming FPS of Radeon HD 7870 XT in World of Tanks is 97% more, than Quadro K420.

Full Specs

	Quadro K420	Radeon HD 7870 XT
Architecture	Kepler	GCN 1.0
Code name	GK107	Tahiti
Type	Workstation	Desktop
Release date	22 July 2014	19 November 2012
Pipelines	192	1536
Core clock speed	876 MHz	925 MHz
Boost Clock		975 MHz
Transistor count	1,270 million	4,313 million
Manufacturing process technology	28 nm	28 nm
Texture fill rate	14.02	93.60
Floating-point performance	336.4 gflops	2,995 gflops
Length	160 mm	267 mm
Memory bus width	128 Bit	256 Bit
Memory clock speed	1782 MHz	6000 MHz
Memory bandwidth		192.0 GB/s
DirectX	12	12 (11_1)
Shader Model	5	5.1
OpenGL	4.5	4.6
OpenCL	1.2	1.2
Vulkan	+	1.2.131
CUDA	3.0
Bitcoin / BTC (SHA256)	11 Mh/s	346 Mh/s
Ethereum / ETH (DaggerHashimoto)		14.5 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 7870 XT

Main Specs

Game benchmarks

Full Specs

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