Quadro K420 vs Radeon HD 6950

If you are going to buy a new graphics card and are choosing between Quadro K420 and Radeon HD 6950, 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 6950, check out specs charts below.

Quadro K420 Check Price

Radeon HD 6950 Check Price

Main Specs

	Quadro K420	Radeon HD 6950
Power consumption (TDP)	41 Watt	500 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	2 GB
Display Connectors	1x DVI, 1x DisplayPort	2x DVI, 1x HDMI, 2x mini-DisplayPort
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Radeon HD 6950 has 1119% more power consumption, than Quadro K420.
Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
Radeon HD 6950 has 1 GB more memory, than Quadro K420.
Both cards are used in Desktops.
Quadro K420 is build with Kepler architecture, and Radeon HD 6950 - with TeraScale 3.
Quadro K420 is manufactured by 28 nm process technology, and Radeon HD 6950 - by 40 nm process technology.
Radeon HD 6950 is 107 mm longer, than Quadro K420.
Memory clock speed of Quadro K420 is 532 MHz higher, than Radeon HD 6950.

Game benchmarks


high / 1080p	0−1	14−16
ultra / 1080p	0−1	8−9
QHD / 1440p	0−1	3−4
low / 720p	9−10	27−30
medium / 1080p	1−2	16−18
The average gaming FPS of Radeon HD 6950 in Assassin's Creed Odyssey is 340% more, than Quadro K420.
high / 1080p	−	21−24
ultra / 1080p	1−2	18−20
QHD / 1440p	0−1	5−6
4K / 2160p	−	5−6
low / 720p	9−10	45−50
medium / 1080p	2−3	24−27
The average gaming FPS of Radeon HD 6950 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 6950.
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 6950 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 6950 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 6950 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 6950 in Far Cry 5 is 700% more, than Quadro K420.
high / 1080p	−	21−24
ultra / 1080p	−	18−20
QHD / 1440p	0−1	16−18
low / 720p	40−45	90−95
medium / 1080p	4−5	45−50
The average gaming FPS of Radeon HD 6950 in Fortnite is 204% more, than Quadro K420.
high / 1080p	1−2	24−27
ultra / 1080p	−	18−20
QHD / 1440p	0−1	8−9
low / 720p	10−12	45−50
medium / 1080p	3−4	27−30
The average gaming FPS of Radeon HD 6950 in Forza Horizon 4 is 560% 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 6950 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 6950 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 6950 in Minecraft is 32% more, than Quadro K420.
high / 1080p	14−16	21−24
ultra / 1080p	12−14	16−18
low / 720p	21−24	50−55
medium / 1080p	14−16	21−24
The average gaming FPS of Radeon HD 6950 in PLAYERUNKNOWN'S BATTLEGROUNDS is 75% more, than Quadro K420.
high / 1080p	−	14−16
ultra / 1080p	−	9−10
QHD / 1440p	0−1	0−1
low / 720p	2−3	24−27
medium / 1080p	−	14−16
The average gaming FPS of Radeon HD 6950 in Red Dead Redemption 2 is 1150% more, than Quadro K420.
low / 768p	4−5	50−55
medium / 768p	−	30−35
high / 1080p	2−3	16−18
ultra / 1080p	−	10−11
4K / 2160p	0−1	8−9
The average gaming FPS of Radeon HD 6950 in The Witcher 3: Wild Hunt is 1033% 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 6950 in World of Tanks is 82% more, than Quadro K420.

Full Specs

	Quadro K420	Radeon HD 6950
Architecture	Kepler	TeraScale 3
Code name	GK107	Cayman
Type	Workstation	Desktop
Release date	22 July 2014	14 December 2010
Pipelines	192	1408
Core clock speed	876 MHz
Boost Clock		800 MHz
Transistor count	1,270 million	2,640 million
Manufacturing process technology	28 nm	40 nm
Texture fill rate	14.02	70.40
Floating-point performance	336.4 gflops	2,252.8 gflops
Length	160 mm	267 mm
Memory bus width	128 Bit	256 Bit
Memory clock speed	1782 MHz	1250 MHz
DirectX	12
Shader Model	5	5.0
OpenGL	4.5	4.4
OpenCL	1.2	1.2
Vulkan	+
CUDA	3.0
Bus support		PCIe 2.0 x16
HDMI		+
Bitcoin / BTC (SHA256)	11 Mh/s	244 Mh/s
Eyefinity		+
Design		reference
CrossFire		+
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 6950

Main Specs

Game benchmarks

Full Specs

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