Radeon RX 6950 XT vs Quadro K420

Place in performance ranking	864	14
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.08	22.78
Architecture	Kepler (2012−2018)	Navi / RDNA2 (2020−2022)
GPU code name	GK107	Navi
Market segment	Workstation	Desktop
Release date	22 July 2014 (9 years ago)	10 May 2022 (2 years ago)
Launch price (MSRP)	$96.67	$1,099
Current price	$402 (4.2x MSRP)	$961 (0.9x MSRP)

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

RX 6950 XT has 28375% better value for money than Quadro K420.

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores	192	5120
Core clock speed	876 MHz	1925 MHz
Boost clock speed	no data	2324 MHz
Number of transistors	1,270 million	26,800 million
Manufacturing process technology	28 nm	7 nm
Power consumption (TDP)	41 Watt	335 Watt
Texture fill rate	14.02	743.7
Floating-point performance	336.4 gflops	no data

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

Interface	PCIe 2.0 x16	PCIe 4.0 x16
Length	160 mm	267 mm
Width	1" (2.5 cm)	3-slot
Supplementary power connectors	None	2x 8-pin

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory type	128 Bit	GDDR6
Maximum RAM amount	1 GB/2 GB	16 GB
Memory bus width	128 Bit	256 Bit
Memory clock speed	1782 MHz	18000 MHz
Memory bandwidth	Up to 29 GB/s	576.0 GB/s
Shared memory	no data	-

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors	DVI-I DP	1x HDMI 2.1, 2x DisplayPort 1.4a
Number of simultaneous displays	4	no data
HDMI	no data	+

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

3D Vision Pro	+	no data
Mosaic	+	no data
nView Desktop Management	+	no data

API compatibility

List of supported graphics and general-purpose computing APIs, including their specific versions.

DirectX	12	12 Ultimate (12_2)
Shader Model	5	6.5
OpenGL	4.5	4.6
OpenCL	1.2	2.1
Vulkan	+	1.3
CUDA	3.0	no data

Synthetic benchmark performance

Non-gaming benchmark performance comparison. The combined score is measured on a 0-100 point scale.

Combined synthetic benchmark score

This is our combined benchmark performance score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Quadro K420 1.93

RX 6950 XT 73.27
+3696%

Radeon RX 6950 XT outperforms Quadro K420 by 3696% based on our aggregate benchmark results.

Passmark

This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

Benchmark coverage: 25%

Quadro K420 745

RX 6950 XT 28296
+3698%

Radeon RX 6950 XT outperforms Quadro K420 by 3698% in Passmark.

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD	5−6 −4180%	214 +4180%
1440p	3−4 −4400%	135 +4400%
4K	2−3 −4200%	86 +4200%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

161

−3689%

6100−6150
+3689%

Full HD
Medium Preset

Assassin's Creed Odyssey	110−120 −3671%	4450−4500 +3671%
Assassin's Creed Valhalla	130−140 −3669%	4900−4950 +3669%
Battlefield 5	230−240 −3687%	8900−8950 +3687%
Call of Duty: Modern Warfare	120−130 −3692%	4550−4600 +3692%
Cyberpunk 2077	143 −3676%	5400−5450 +3676%
Far Cry 5	110−120 −3671%	4450−4500 +3671%
Far Cry New Dawn	180−190 −3685%	6850−6900 +3685%
Forza Horizon 4	220−230 −3683%	8550−8600 +3683%
Hitman 3	120−130 −3680%	4650−4700 +3680%
Horizon Zero Dawn	450 −3689%	17050−17100 +3689%
Metro Exodus	140−150 −3693%	5500−5550 +3693%
Red Dead Redemption 2	120−130 −3690%	4700−4750 +3690%
Shadow of the Tomb Raider	500 −3690%	18950−19000 +3690%
Watch Dogs: Legion	130 −3669%	4900−4950 +3669%

Full HD
High Preset

Assassin's Creed Odyssey	110−120 −3671%	4450−4500 +3671%
Assassin's Creed Valhalla	130−140 −3669%	4900−4950 +3669%
Battlefield 5	230−240 −3687%	8900−8950 +3687%
Call of Duty: Modern Warfare	120−130 −3692%	4550−4600 +3692%
Cyberpunk 2077	128 −3689%	4850−4900 +3689%
Far Cry 5	110−120 −3671%	4450−4500 +3671%
Far Cry New Dawn	180−190 −3685%	6850−6900 +3685%
Forza Horizon 4	220−230 −3683%	8550−8600 +3683%
Hitman 3	120−130 −3680%	4650−4700 +3680%
Horizon Zero Dawn	300−350 −3690%	11750−11800 +3690%
Metro Exodus	74 −3684%	2800−2850 +3684%
Red Dead Redemption 2	120−130 −3690%	4700−4750 +3690%
Shadow of the Tomb Raider	442 −3690%	16750−16800 +3690%
The Witcher 3: Wild Hunt	376 −3690%	14250−14300 +3690%
Watch Dogs: Legion	130−140 −3696%	5200−5250 +3696%

Full HD
Ultra Preset

Assassin's Creed Odyssey	110−120 −3671%	4450−4500 +3671%
Assassin's Creed Valhalla	130−140 −3669%	4900−4950 +3669%
Call of Duty: Modern Warfare	120−130 −3692%	4550−4600 +3692%
Cyberpunk 2077	122 −3670%	4600−4650 +3670%
Far Cry 5	110−120 −3671%	4450−4500 +3671%
Forza Horizon 4	220−230 −3683%	8550−8600 +3683%
Horizon Zero Dawn	318 −3689%	12050−12100 +3689%
Shadow of the Tomb Raider	396 −3688%	15000−15050 +3688%
The Witcher 3: Wild Hunt	216 −3696%	8200−8250 +3696%
Watch Dogs: Legion	107 −3685%	4050−4100 +3685%

Full HD
Epic Preset

Red Dead Redemption 2

120−130

−3690%

4700−4750
+3690%

1440p
High Preset

Battlefield 5	160−170 −3695%	6300−6350 +3695%
Far Cry New Dawn	140−150 −3685%	5450−5500 +3685%

1440p
Ultra Preset

Assassin's Creed Odyssey	85−90 −3693%	3300−3350 +3693%
Assassin's Creed Valhalla	90−95 −3663%	3500−3550 +3663%
Call of Duty: Modern Warfare	100−110 −3661%	4100−4150 +3661%
Cyberpunk 2077	93 −3663%	3500−3550 +3663%
Far Cry 5	163 −3673%	6150−6200 +3673%
Forza Horizon 4	180−190 −3678%	6800−6850 +3678%
Hitman 3	100−110 −3685%	4050−4100 +3685%
Horizon Zero Dawn	255 −3684%	9650−9700 +3684%
Metro Exodus	132 −3688%	5000−5050 +3688%
Shadow of the Tomb Raider	294 −3693%	11150−11200 +3693%
The Witcher 3: Wild Hunt	130−140 −3678%	5100−5150 +3678%
Watch Dogs: Legion	103 −3686%	3900−3950 +3686%

1440p
Epic Preset

Red Dead Redemption 2

110−120

−3671%

4450−4500
+3671%

4K
High Preset

Battlefield 5	85−90 −3650%	3300−3350 +3650%
Far Cry New Dawn	65−70 −3668%	2600−2650 +3668%
Hitman 3	65−70 −3669%	2450−2500 +3669%
Horizon Zero Dawn	110−120 −3683%	4350−4400 +3683%
Shadow of the Tomb Raider	99 −3688%	3750−3800 +3688%
The Witcher 3: Wild Hunt	144 −3685%	5450−5500 +3685%

4K
Ultra Preset

Assassin's Creed Odyssey	60−65 −3690%	2350−2400 +3690%
Assassin's Creed Valhalla	55−60 −3693%	2200−2250 +3693%
Call of Duty: Modern Warfare	50−55 −3650%	1950−2000 +3650%
Cyberpunk 2077	46 −3596%	1700−1750 +3596%
Far Cry 5	50−55 −3600%	1850−1900 +3600%
Forza Horizon 4	130−140 −3688%	5000−5050 +3688%
Horizon Zero Dawn	154 −3666%	5800−5850 +3666%
Metro Exodus	118 −3671%	4450−4500 +3671%
Watch Dogs: Legion	65 −3669%	2450−2500 +3669%

4K
Epic Preset

Red Dead Redemption 2

80−85
−3680%

3100−3150

+3680%

This is how Quadro K420 and RX 6950 XT compete in popular games:

RX 6950 XT is 4180% faster in 1080p
RX 6950 XT is 4400% faster in 1440p
RX 6950 XT is 4200% faster in 4K

Pros & cons summary

Performance score	1.93	73.27
Recency	22 July 2014	10 May 2022
Cost	$96.67	$1099
Maximum RAM amount	1 GB/2 GB	16 GB
Chip lithography	28 nm	7 nm
Power consumption (TDP)	41 Watt	335 Watt