Radeon RX 6600 vs Quadro K420

Place in performance ranking	864	102
Place by popularity	not in top-100	14
Cost-effectiveness evaluation	0.08	34.96
Architecture	Kepler (2012−2018)	Navi / RDNA2 (2020−2022)
GPU code name	GK107	Navi 23
Market segment	Workstation	Desktop
Release date	22 July 2014 (9 years ago)	13 October 2021 (2 years ago)
Launch price (MSRP)	$96.67	$329
Current price	$402 (4.2x MSRP)	$358 (1.1x MSRP)

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

RX 6600 has 43600% 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	1792
Core clock speed	876 MHz	2044 MHz
Boost clock speed	no data	2491 MHz
Number of transistors	1,270 million	11,060 million
Manufacturing process technology	28 nm	7 nm
Power consumption (TDP)	41 Watt	132 Watt
Texture fill rate	14.02	279.0
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 x8
Length	160 mm	190 mm
Width	1" (2.5 cm)	2-slot
Supplementary power connectors	None	1x 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	8 GB
Memory bus width	128 Bit	128 Bit
Memory clock speed	1782 MHz	14500 MHz
Memory bandwidth	Up to 29 GB/s	224.0 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, 3x DisplayPort
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	12.0 Ultimate (12_2)
Shader Model	5	6.5
OpenGL	4.5	4.6
OpenCL	1.2	2.1
Vulkan	+	1.2
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 6600 39.19
+1931%

Radeon RX 6600 outperforms Quadro K420 by 1931% 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 746

RX 6600 15134
+1929%

Radeon RX 6600 outperforms Quadro K420 by 1929% 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 −2080%	109 +2080%
1440p	2−3 −2750%	57 +2750%
4K	1−2 −3000%	31 +3000%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

5−6
−2040%

107

+2040%

Full HD
Medium Preset

Assassin's Creed Odyssey	3−4 −2200%	65−70 +2200%
Assassin's Creed Valhalla	5−6 −2160%	113 +2160%
Battlefield 5	6−7 −2000%	120−130 +2000%
Call of Duty: Modern Warfare	3−4 −2533%	75−80 +2533%
Cyberpunk 2077	4−5 −2175%	91 +2175%
Far Cry 5	4−5 −2025%	85−90 +2025%
Far Cry New Dawn	4−5 −2325%	95−100 +2325%
Forza Horizon 4	7−8 −2029%	140−150 +2029%
Hitman 3	4−5 −2375%	99 +2375%
Horizon Zero Dawn	12−14 −2117%	266 +2117%
Metro Exodus	5−6 −2140%	110−120 +2140%
Red Dead Redemption 2	4−5 −2250%	90−95 +2250%
Shadow of the Tomb Raider	10−11 −2150%	225 +2150%
Watch Dogs: Legion	5−6 −2000%	105 +2000%

Full HD
High Preset

Assassin's Creed Odyssey	3−4 −2200%	65−70 +2200%
Assassin's Creed Valhalla	4−5 −2200%	92 +2200%
Battlefield 5	6−7 −2000%	120−130 +2000%
Call of Duty: Modern Warfare	3−4 −2533%	75−80 +2533%
Cyberpunk 2077	3−4 −2333%	73 +2333%
Far Cry 5	4−5 −2025%	85−90 +2025%
Far Cry New Dawn	4−5 −2325%	95−100 +2325%
Forza Horizon 4	7−8 −2029%	140−150 +2029%
Hitman 3	4−5 −2250%	94 +2250%
Horizon Zero Dawn	7−8 −2171%	150−160 +2171%
Metro Exodus	3−4 −2133%	67 +2133%
Red Dead Redemption 2	4−5 −2250%	90−95 +2250%
Shadow of the Tomb Raider	8−9 −2175%	182 +2175%
The Witcher 3: Wild Hunt	7−8 −2000%	147 +2000%
Watch Dogs: Legion	4−5 −2325%	95−100 +2325%

Full HD
Ultra Preset

Assassin's Creed Odyssey	3−4 −2200%	65−70 +2200%
Assassin's Creed Valhalla	3−4 −2500%	78 +2500%
Call of Duty: Modern Warfare	3−4 −2533%	75−80 +2533%
Cyberpunk 2077	2−3 −2850%	59 +2850%
Far Cry 5	4−5 −2025%	85−90 +2025%
Forza Horizon 4	7−8 −2029%	140−150 +2029%
Horizon Zero Dawn	6−7 −2267%	142 +2267%
Shadow of the Tomb Raider	7−8 −2143%	157 +2143%
The Witcher 3: Wild Hunt	4−5 −2150%	90 +2150%
Watch Dogs: Legion	2−3 −2800%	58 +2800%

Full HD
Epic Preset

Red Dead Redemption 2

4−5

−2250%

90−95
+2250%

1440p
High Preset

Battlefield 5	3−4 −2400%	75−80 +2400%
Far Cry New Dawn	4−5 −2175%	90−95 +2175%

1440p
Ultra Preset

Assassin's Creed Odyssey	2−3 −2000%	40−45 +2000%
Assassin's Creed Valhalla	2−3 −2500%	52 +2500%
Call of Duty: Modern Warfare	2−3 −2900%	60−65 +2900%
Cyberpunk 2077	1−2 −3300%	34 +3300%
Far Cry 5	4−5 −2175%	91 +2175%
Forza Horizon 4	4−5 −1950%	80−85 +1950%
Hitman 3	2−3 −2600%	54 +2600%
Horizon Zero Dawn	5−6 −1940%	102 +1940%
Metro Exodus	4−5 −2325%	97 +2325%
Shadow of the Tomb Raider	4−5 −2425%	101 +2425%
The Witcher 3: Wild Hunt	2−3 −2750%	55−60 +2750%
Watch Dogs: Legion	2−3 −1950%	41 +1950%

1440p
Epic Preset

Red Dead Redemption 2

3−4

−2133%

65−70
+2133%

4K
High Preset

Battlefield 5	1−2 −3800%	35−40 +3800%
Far Cry New Dawn	1−2 −3200%	30−35 +3200%
Hitman 3	1−2 −3500%	36 +3500%
Horizon Zero Dawn	2−3 −2400%	50−55 +2400%
Shadow of the Tomb Raider	1−2 −3200%	33 +3200%
The Witcher 3: Wild Hunt	2−3 −2100%	44 +2100%

4K
Ultra Preset

Assassin's Creed Odyssey	1−2 −2600%	27−30 +2600%
Assassin's Creed Valhalla	1−2 −2300%	24 +2300%
Call of Duty: Modern Warfare	1−2 −2400%	24−27 +2400%
Cyberpunk 2077	0−1	14
Far Cry 5	1−2 −2200%	21−24 +2200%
Forza Horizon 4	2−3 −2600%	50−55 +2600%
Horizon Zero Dawn	2−3 −2650%	55 +2650%
Metro Exodus	2−3 −2300%	48 +2300%
Watch Dogs: Legion	1−2 −2000%	21 +2000%

4K
Epic Preset

Red Dead Redemption 2

1−2

−3400%

35−40
+3400%

This is how Quadro K420 and RX 6600 compete in popular games:

RX 6600 is 2080% faster in 1080p
RX 6600 is 2750% faster in 1440p
RX 6600 is 3000% faster in 4K

Pros & cons summary

Performance score	1.93	39.19
Recency	22 July 2014	13 October 2021
Cost	$96.67	$329
Maximum RAM amount	1 GB/2 GB	8 GB
Chip lithography	28 nm	7 nm
Power consumption (TDP)	41 Watt	132 Watt