Radeon RX 550X vs HD 6620G

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Aggregate performance score

We've compared Radeon HD 6620G with Radeon RX 550X, including specs and performance data.

HD 6620G
2011
35 Watt
0.82

550X outperforms HD 6620G by a whopping 590% based on our aggregate benchmark results.

Primary details

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

Place in the ranking1200650
Place by popularitynot in top-100not in top-100
Power efficiency1.808.72
ArchitectureTeraScale 2 (2009−2015)GCN 4.0 (2016−2020)
GPU code nameSumoLexa
Market segmentLaptopDesktop
Release date7 December 2011 (14 years ago)16 December 2018 (7 years ago)

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores400512
Core clock speed444 MHz1100 MHz
Boost clock speedno data1183 MHz
Number of transistors1,178 million2,200 million
Manufacturing process technology32 nm14 nm
Power consumption (TDP)35 Watt50 Watt
Texture fill rate8.88037.86
Floating-point processing power0.3552 TFLOPS1.211 TFLOPS
ROPs816
TMUs2032
L1 Cacheno data128 KB
L2 Cacheno data512 KB

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).

Laptop sizemedium sizedno data
InterfaceIGPPCIe 3.0 x8
Lengthno data145 mm
Widthno data2-slot
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 typeSystem SharedGDDR5
Maximum RAM amountSystem Shared4 GB
Memory bus widthSystem Shared128 Bit
Memory clock speedSystem Shared1500 MHz
Memory bandwidthno data96 GB/s
Shared memory+-

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display ConnectorsNo outputs1x DVI, 1x HDMI, 1x DisplayPort
HDMI-+

API and SDK support

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX11.2 (11_0)12 (12_0)
Shader Model5.06.4
OpenGL4.44.6
OpenCL1.22.0
VulkanN/A1.2.131

Synthetic benchmarks

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


Combined synthetic benchmark score

This is our combined benchmark score.

HD 6620G 0.82
RX 550X 5.66
+590%

Passmark

This is the most ubiquitous GPU benchmark. 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.

HD 6620G 341
Samples: 769
RX 550X 2372
+596%
Samples: 236

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 HD13
−554%
85−90
+554%

FPS performance in popular games

Full HD
Low

Cyberpunk 2077 2−3
−500%
12−14
+500%

Full HD
Medium

Cyberpunk 2077 2−3
−500%
12−14
+500%
Far Cry 5 1−2
−500%
6−7
+500%
Fortnite 0−1 0−1
Forza Horizon 4 6−7
−567%
40−45
+567%
PLAYERUNKNOWN'S BATTLEGROUNDS 8−9
−588%
55−60
+588%
Valorant 30−33
−567%
200−210
+567%

Full HD
High

Counter-Strike: Global Offensive 21−24
−582%
150−160
+582%
Cyberpunk 2077 2−3
−500%
12−14
+500%
Dota 2 12−14
−554%
85−90
+554%
Far Cry 5 1−2
−500%
6−7
+500%
Fortnite 0−1 0−1
Forza Horizon 4 6−7
−567%
40−45
+567%
Metro Exodus 1−2
−500%
6−7
+500%
PLAYERUNKNOWN'S BATTLEGROUNDS 8−9
−588%
55−60
+588%
The Witcher 3: Wild Hunt 6−7
−567%
40−45
+567%
Valorant 30−33
−567%
200−210
+567%

Full HD
Ultra

Cyberpunk 2077 2−3
−500%
12−14
+500%
Dota 2 12−14
−554%
85−90
+554%
Far Cry 5 1−2
−500%
6−7
+500%
Forza Horizon 4 6−7
−567%
40−45
+567%
PLAYERUNKNOWN'S BATTLEGROUNDS 8−9
−588%
55−60
+588%
The Witcher 3: Wild Hunt 6−7
−567%
40−45
+567%
Valorant 30−33
−567%
200−210
+567%

Full HD
Epic

Fortnite 0−1 0−1

1440p
High

Counter-Strike 2 3−4
−500%
18−20
+500%
Counter-Strike: Global Offensive 5−6
−500%
30−33
+500%
PLAYERUNKNOWN'S BATTLEGROUNDS 9−10
−567%
60−65
+567%

1440p
Ultra

Cyberpunk 2077 0−1 0−1
Far Cry 5 0−1 0−1
Forza Horizon 4 2−3
−500%
12−14
+500%
The Witcher 3: Wild Hunt 2−3
−500%
12−14
+500%

1440p
Epic

Fortnite 1−2
−500%
6−7
+500%

4K
High

Grand Theft Auto V 14−16
−579%
95−100
+579%
Valorant 4−5
−575%
27−30
+575%

4K
Ultra

PLAYERUNKNOWN'S BATTLEGROUNDS 2−3
−500%
12−14
+500%

4K
Epic

Fortnite 2−3
−500%
12−14
+500%

This is how HD 6620G and RX 550X compete in popular games:

  • RX 550X is 554% faster in 1080p

Pros & cons summary


Performance score 0.82 5.66
Recency 7 December 2011 16 December 2018
Chip lithography 32 nm 14 nm
Power consumption (TDP) 35 Watt 50 Watt

HD 6620G has 42.9% lower power consumption.

RX 550X, on the other hand, has a 590.2% higher aggregate performance score, an age advantage of 7 years, and a 128.6% more advanced lithography process.

The Radeon RX 550X is our recommended choice as it beats the Radeon HD 6620G in performance tests.

Be aware that Radeon HD 6620G is a notebook graphics card while Radeon RX 550X is a desktop one.

Vote for your favorite

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AMD Radeon HD 6620G
Radeon HD 6620G
AMD Radeon RX 550X
Radeon RX 550X

Other comparisons

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.


2.8 120 votes

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3.5 132 votes

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Comments

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