Radeon RX 580 2048SP vs HD 6620G

Aggregate performance score

We've compared Radeon HD 6620G with Radeon RX 580 2048SP, including specs and performance data.

HD 6620G
2011
35 Watt
0.88

RX 580 2048SP outperforms HD 6620G by a whopping 2165% based on our aggregate benchmark results.

Primary details

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

Place in the ranking1126274
Place by popularitynot in top-10062
Power efficiency1.759.26
ArchitectureTeraScale 2 (2009−2015)GCN 4.0 (2016−2020)
GPU code nameSumoPolaris 20
Market segmentLaptopDesktop
Release date7 December 2011 (12 years ago)15 October 2018 (6 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 cores4002048
Core clock speed444 MHz1168 MHz
Boost clock speedno data1284 MHz
Number of transistors1,178 million5,700 million
Manufacturing process technology32 nm14 nm
Power consumption (TDP)35 Watt150 Watt
Texture fill rate8.880164.4
Floating-point processing power0.3552 TFLOPS5.259 TFLOPS
ROPs832
TMUs20128

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 x16
Lengthno data241 mm
Widthno data2-slot
Supplementary power connectorsno data1x 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 typeSystem SharedGDDR5
Maximum RAM amountSystem Shared8 GB
Memory bus widthSystem Shared256 Bit
Memory clock speedSystem Shared1750 MHz
Memory bandwidthno data224.0 GB/s
Shared memory+-

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 outputs1x DVI, 1x HDMI, 3x DisplayPort
HDMI-+

API compatibility

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 benchmark performance

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. 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.

HD 6620G 0.88
RX 580 2048SP 19.93
+2165%

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
RX 580 2048SP 7687
+2154%

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
−2131%
290−300
+2131%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 3−4
−2067%
65−70
+2067%

Full HD
Medium Preset

Assassin's Creed Odyssey 5−6
−2100%
110−120
+2100%
Call of Duty: Modern Warfare 3−4
−2067%
65−70
+2067%
Cyberpunk 2077 3−4
−2067%
65−70
+2067%
Far Cry 5 0−1 0−1
Far Cry New Dawn 2−3
−2150%
45−50
+2150%
Hitman 3 5−6
−2100%
110−120
+2100%
Horizon Zero Dawn 12−14
−2150%
270−280
+2150%
Red Dead Redemption 2 1−2
−2000%
21−24
+2000%
Shadow of the Tomb Raider 7−8
−2043%
150−160
+2043%
Watch Dogs: Legion 30−35
−2158%
700−750
+2158%

Full HD
High Preset

Assassin's Creed Odyssey 5−6
−2100%
110−120
+2100%
Call of Duty: Modern Warfare 3−4
−2067%
65−70
+2067%
Cyberpunk 2077 3−4
−2067%
65−70
+2067%
Far Cry 5 0−1 0−1
Far Cry New Dawn 2−3
−2150%
45−50
+2150%
Hitman 3 5−6
−2100%
110−120
+2100%
Horizon Zero Dawn 12−14
−2150%
270−280
+2150%
Red Dead Redemption 2 1−2
−2000%
21−24
+2000%
Shadow of the Tomb Raider 7−8
−2043%
150−160
+2043%
The Witcher 3: Wild Hunt 10−11
−2100%
220−230
+2100%
Watch Dogs: Legion 30−35
−2158%
700−750
+2158%

Full HD
Ultra Preset

Assassin's Creed Odyssey 5−6
−2100%
110−120
+2100%
Call of Duty: Modern Warfare 3−4
−2067%
65−70
+2067%
Cyberpunk 2077 3−4
−2067%
65−70
+2067%
Far Cry 5 0−1 0−1
Hitman 3 5−6
−2100%
110−120
+2100%
Horizon Zero Dawn 12−14
−2150%
270−280
+2150%
Shadow of the Tomb Raider 7−8
−2043%
150−160
+2043%
The Witcher 3: Wild Hunt 10−11
−2100%
220−230
+2100%
Watch Dogs: Legion 30−35
−2158%
700−750
+2158%

Full HD
Epic Preset

Red Dead Redemption 2 1−2
−2000%
21−24
+2000%

1440p
High Preset

Battlefield 5 0−1 0−1
Far Cry New Dawn 1−2
−2000%
21−24
+2000%

1440p
Ultra Preset

Assassin's Creed Odyssey 0−1 0−1
Cyberpunk 2077 1−2
−2000%
21−24
+2000%
Far Cry 5 1−2
−2000%
21−24
+2000%
Hitman 3 7−8
−2043%
150−160
+2043%
Horizon Zero Dawn 4−5
−2150%
90−95
+2150%
The Witcher 3: Wild Hunt 0−1 0−1
Watch Dogs: Legion 3−4
−2067%
65−70
+2067%

1440p
Epic Preset

Red Dead Redemption 2 3−4
−2067%
65−70
+2067%

4K
High Preset

Far Cry New Dawn 0−1 0−1

4K
Ultra Preset

Assassin's Creed Odyssey 1−2
−2000%
21−24
+2000%
Assassin's Creed Valhalla 0−1 0−1
Far Cry 5 0−1 0−1

4K
Epic Preset

Red Dead Redemption 2 2−3
−2150%
45−50
+2150%

This is how HD 6620G and RX 580 2048SP compete in popular games:

  • RX 580 2048SP is 2131% faster in 1080p

Pros & cons summary


Performance score 0.88 19.93
Recency 7 December 2011 15 October 2018
Chip lithography 32 nm 14 nm
Power consumption (TDP) 35 Watt 150 Watt

HD 6620G has 328.6% lower power consumption.

RX 580 2048SP, on the other hand, has a 2164.8% higher aggregate performance score, an age advantage of 6 years, and a 128.6% more advanced lithography process.

The Radeon RX 580 2048SP is our recommended choice as it beats the Radeon HD 6620G in performance tests.

Be aware that Radeon HD 6620G is a notebook card while Radeon RX 580 2048SP is a desktop 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 HD 6620G
Radeon HD 6620G
AMD Radeon RX 580 2048SP
Radeon RX 580 2048SP

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.


2.6 88 votes

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4.2 3063 votes

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Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.