Quadro K420 vs Radeon RX 550 Mobile

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Aggregate performance score

RX 550 Mobile
2017
4 GB GDDR5, 50 Watt
6.93
+259%

Radeon RX 550 Mobile outperforms Quadro K420 by a whopping 259% based on our aggregate benchmark results.

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in performance ranking524864
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation4.710.08
ArchitecturePolaris (2016−2019)Kepler (2012−2018)
GPU code namePolaris 12GK107
Market segmentLaptopWorkstation
Release date21 March 2017 (7 years ago)22 July 2014 (9 years ago)
Launch price (MSRP)$79.99 $96.67
Current price$294 (3.7x MSRP)$402 (4.2x MSRP)

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

RX 550 Mobile has 5788% 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 cores640192
Core clock speed1287 MHz876 MHz
Boost clock speed1476 MHzno data
Number of transistors2,200 million1,270 million
Manufacturing process technology14 nm28 nm
Power consumption (TDP)50 Watt41 Watt
Texture fill rate51.4814.02
Floating-point performance1,647 gflops336.4 gflops

Form factor & compatibility

Information on Radeon RX 550 Mobile and Quadro K420 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

Laptop sizelargeno data
InterfacePCIe 3.0 x8PCIe 2.0 x16
Lengthno data160 mm
Widthno data1" (2.5 cm)
Supplementary power connectorsno dataNone

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 typeGDDR5128 Bit
Maximum RAM amount4 GB1 GB/2 GB
Memory bus width128 Bit128 Bit
Memory clock speed6000 MHz1782 MHz
Memory bandwidth96 GB/sUp to 29 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 ConnectorsNo outputsDVI-I DP
Number of simultaneous displaysno data4

Supported technologies

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

FreeSync+no data
3D Vision Prono data+
Mosaicno data+
nView Desktop Managementno data+

API compatibility

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

DirectX12 (12_0)12
Shader Model6.45
OpenGL4.64.5
OpenCL2.01.2
Vulkan1.2.131+
CUDAno data3.0

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 HD16
+300%
4−5
−300%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 35−40
+250%
10
−250%

Full HD
Medium Preset

Assassin's Creed Odyssey 50−55
+257%
14−16
−257%
Assassin's Creed Valhalla 27−30
+238%
8
−238%
Battlefield 5 70−75
+250%
20−22
−250%
Call of Duty: Modern Warfare 50−55
+257%
14−16
−257%
Cyberpunk 2077 35−40
+218%
10−12
−218%
Far Cry 5 55−60
+244%
16−18
−244%
Far Cry New Dawn 65−70
+242%
18−20
−242%
Forza Horizon 4 110−120
+233%
30−35
−233%
Hitman 3 40−45
+233%
12
−233%
Horizon Zero Dawn 110−120
+244%
30−35
−244%
Metro Exodus 60−65
+233%
18−20
−233%
Red Dead Redemption 2 65−70
+242%
18−20
−242%
Shadow of the Tomb Raider 100−105
+257%
28
−257%
Watch Dogs: Legion 35−40
+250%
10
−250%

Full HD
High Preset

Assassin's Creed Odyssey 50−55
+257%
14−16
−257%
Assassin's Creed Valhalla 27−30
+238%
8
−238%
Battlefield 5 70−75
+250%
20−22
−250%
Call of Duty: Modern Warfare 50−55
+257%
14−16
−257%
Cyberpunk 2077 35−40
+218%
10−12
−218%
Far Cry 5 55−60
+244%
16−18
−244%
Far Cry New Dawn 65−70
+242%
18−20
−242%
Forza Horizon 4 110−120
+233%
30−35
−233%
Hitman 3 21−24
+250%
6
−250%
Horizon Zero Dawn 110−120
+244%
30−35
−244%
Metro Exodus 60−65
+233%
18−20
−233%
Red Dead Redemption 2 65−70
+242%
18−20
−242%
Shadow of the Tomb Raider 85−90
+254%
24
−254%
The Witcher 3: Wild Hunt 60−65
+253%
17
−253%
Watch Dogs: Legion 100−105
+257%
27−30
−257%

Full HD
Ultra Preset

Assassin's Creed Odyssey 50−55
+257%
14−16
−257%
Assassin's Creed Valhalla 27−30
+238%
8−9
−238%
Call of Duty: Modern Warfare 50−55
+257%
14−16
−257%
Cyberpunk 2077 35−40
+218%
10−12
−218%
Far Cry 5 55−60
+244%
16−18
−244%
Forza Horizon 4 110−120
+233%
30−35
−233%
Horizon Zero Dawn 110−120
+244%
30−35
−244%
Shadow of the Tomb Raider 55−60
+244%
16
−244%
The Witcher 3: Wild Hunt 85−90
+254%
24
−254%
Watch Dogs: Legion 14−16
+250%
4
−250%

Full HD
Epic Preset

Red Dead Redemption 2 65−70
+242%
18−20
−242%

1440p
High Preset

Battlefield 5 45−50
+246%
12−14
−246%
Far Cry New Dawn 35−40
+250%
10−11
−250%

1440p
Ultra Preset

Assassin's Creed Odyssey 21−24
+250%
6−7
−250%
Assassin's Creed Valhalla 7−8
+250%
2−3
−250%
Call of Duty: Modern Warfare 30−33
+233%
9−10
−233%
Cyberpunk 2077 10−11
+233%
3−4
−233%
Far Cry 5 35−40
+218%
10−12
−218%
Forza Horizon 4 40−45
+233%
12−14
−233%
Hitman 3 35−40
+218%
10−12
−218%
Horizon Zero Dawn 50−55
+233%
14−16
−233%
Metro Exodus 24−27
+243%
7−8
−243%
Shadow of the Tomb Raider 14−16
+250%
4−5
−250%
The Witcher 3: Wild Hunt 21−24
+250%
6−7
−250%
Watch Dogs: Legion 10−11
+233%
3−4
−233%

1440p
Epic Preset

Red Dead Redemption 2 40−45
+233%
12−14
−233%

4K
High Preset

Battlefield 5 21−24
+250%
6−7
−250%
Far Cry New Dawn 16−18
+220%
5−6
−220%
Hitman 3 10−11
+233%
3−4
−233%
Horizon Zero Dawn 24−27
+243%
7−8
−243%
Shadow of the Tomb Raider 10−11
+233%
3−4
−233%
The Witcher 3: Wild Hunt 14−16
+250%
4−5
−250%

4K
Ultra Preset

Assassin's Creed Odyssey 14−16
+250%
4−5
−250%
Assassin's Creed Valhalla 10−11
+233%
3−4
−233%
Call of Duty: Modern Warfare 10−11
+233%
3−4
−233%
Cyberpunk 2077 3−4
+200%
1−2
−200%
Far Cry 5 14−16
+250%
4−5
−250%
Forza Horizon 4 24−27
+243%
7−8
−243%
Horizon Zero Dawn 24−27
+243%
7−8
−243%
Metro Exodus 27−30
+238%
8−9
−238%
Watch Dogs: Legion 7−8
+250%
2−3
−250%

4K
Epic Preset

Red Dead Redemption 2 24−27
+243%
7−8
−243%

This is how RX 550 Mobile and Quadro K420 compete in popular games:

  • RX 550 Mobile is 300% faster in 1080p

Pros & cons summary


Performance score 6.93 1.93
Recency 21 March 2017 22 July 2014
Cost $79.99 $96.67
Maximum RAM amount 4 GB 1 GB/2 GB
Chip lithography 14 nm 28 nm
Power consumption (TDP) 50 Watt 41 Watt

The Radeon RX 550 Mobile is our recommended choice as it beats the Quadro K420 in performance tests.

Be aware that Radeon RX 550 Mobile is a notebook card while Quadro K420 is a workstation one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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AMD Radeon RX 550 Mobile
Radeon RX 550 Mobile
NVIDIA Quadro K420
Quadro K420

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.2 28 votes

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3.4 140 votes

Rate Quadro K420 on a scale of 1 to 5:

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Questions & comments

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