Radeon RX 6600M vs RX 580 2048SP

Aggregate performance score

We've compared Radeon RX 580 2048SP with Radeon RX 6600M, including specs and performance data.

RX 580 2048SP
2018
8 GB GDDR5, 150 Watt
19.95

RX 6600M outperforms RX 580 2048SP by an impressive 79% based on our aggregate benchmark results.

Primary details

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

Place in the ranking272134
Place by popularity62not in top-100
Power efficiency9.2124.71
ArchitectureGCN 4.0 (2016−2020)RDNA 2.0 (2020−2024)
GPU code namePolaris 20Navi 23
Market segmentDesktopLaptop
Release date15 October 2018 (6 years ago)31 May 2021 (3 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 cores20481792
Core clock speed1168 MHz2068 MHz
Boost clock speed1284 MHz2416 MHz
Number of transistors5,700 million11,060 million
Manufacturing process technology14 nm7 nm
Power consumption (TDP)150 Watt100 Watt
Texture fill rate164.4270.6
Floating-point processing power5.259 TFLOPS8.659 TFLOPS
ROPs3264
TMUs128112
Ray Tracing Coresno data28

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 sizeno datamedium sized
InterfacePCIe 3.0 x16PCIe 4.0 x8
Length241 mmno data
Width2-slotno data
Supplementary power connectors1x 8-pinNone

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 typeGDDR5GDDR6
Maximum RAM amount8 GB8 GB
Memory bus width256 Bit128 Bit
Memory clock speed1750 MHz1750 MHz
Memory bandwidth224.0 GB/s224.0 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 Connectors1x DVI, 1x HDMI, 3x DisplayPortNo outputs
HDMI+-

API compatibility

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

DirectX12 (12_0)12 Ultimate (12_2)
Shader Model6.46.5
OpenGL4.64.6
OpenCL2.02.1
Vulkan1.2.1311.3

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.

RX 580 2048SP 19.95
RX 6600M 35.68
+78.8%

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.

RX 580 2048SP 7698
RX 6600M 13766
+78.8%

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 HD50−55
−96%
98
+96%
1440p30−35
−83.3%
55
+83.3%
4K16−18
−93.8%
31
+93.8%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 110
+0%
110
+0%

Full HD
Medium Preset

Assassin's Creed Odyssey 108
+0%
108
+0%
Assassin's Creed Valhalla 95
+0%
95
+0%
Battlefield 5 110−120
+0%
110−120
+0%
Call of Duty: Modern Warfare 70−75
+0%
70−75
+0%
Cyberpunk 2077 90
+0%
90
+0%
Far Cry 5 75−80
+0%
75−80
+0%
Far Cry New Dawn 85−90
+0%
85−90
+0%
Forza Horizon 4 180−190
+0%
180−190
+0%
Hitman 3 75−80
+0%
75−80
+0%
Horizon Zero Dawn 150−160
+0%
150−160
+0%
Metro Exodus 110−120
+0%
110−120
+0%
Red Dead Redemption 2 85−90
+0%
85−90
+0%
Shadow of the Tomb Raider 120−130
+0%
120−130
+0%
Watch Dogs: Legion 120−130
+0%
120−130
+0%

Full HD
High Preset

Assassin's Creed Odyssey 199
+0%
199
+0%
Assassin's Creed Valhalla 79
+0%
79
+0%
Battlefield 5 110−120
+0%
110−120
+0%
Call of Duty: Modern Warfare 70−75
+0%
70−75
+0%
Cyberpunk 2077 72
+0%
72
+0%
Far Cry 5 75−80
+0%
75−80
+0%
Far Cry New Dawn 85−90
+0%
85−90
+0%
Forza Horizon 4 180−190
+0%
180−190
+0%
Hitman 3 75−80
+0%
75−80
+0%
Horizon Zero Dawn 150−160
+0%
150−160
+0%
Metro Exodus 110−120
+0%
110−120
+0%
Red Dead Redemption 2 85−90
+0%
85−90
+0%
Shadow of the Tomb Raider 173
+0%
173
+0%
The Witcher 3: Wild Hunt 70−75
+0%
70−75
+0%
Watch Dogs: Legion 120−130
+0%
120−130
+0%

Full HD
Ultra Preset

Assassin's Creed Odyssey 79
+0%
79
+0%
Assassin's Creed Valhalla 69
+0%
69
+0%
Call of Duty: Modern Warfare 70−75
+0%
70−75
+0%
Cyberpunk 2077 61
+0%
61
+0%
Far Cry 5 75−80
+0%
75−80
+0%
Forza Horizon 4 168
+0%
168
+0%
Hitman 3 75−80
+0%
75−80
+0%
Horizon Zero Dawn 134
+0%
134
+0%
Shadow of the Tomb Raider 153
+0%
153
+0%
The Witcher 3: Wild Hunt 85
+0%
85
+0%
Watch Dogs: Legion 59
+0%
59
+0%

Full HD
Epic Preset

Red Dead Redemption 2 85−90
+0%
85−90
+0%

1440p
High Preset

Battlefield 5 65−70
+0%
65−70
+0%
Far Cry New Dawn 50−55
+0%
50−55
+0%

1440p
Ultra Preset

Assassin's Creed Odyssey 51
+0%
51
+0%
Assassin's Creed Valhalla 52
+0%
52
+0%
Call of Duty: Modern Warfare 40−45
+0%
40−45
+0%
Cyberpunk 2077 36
+0%
36
+0%
Far Cry 5 40−45
+0%
40−45
+0%
Forza Horizon 4 200−210
+0%
200−210
+0%
Hitman 3 45−50
+0%
45−50
+0%
Horizon Zero Dawn 98
+0%
98
+0%
Metro Exodus 85
+0%
85
+0%
Shadow of the Tomb Raider 100
+0%
100
+0%
The Witcher 3: Wild Hunt 62
+0%
62
+0%
Watch Dogs: Legion 180−190
+0%
180−190
+0%

1440p
Epic Preset

Red Dead Redemption 2 60−65
+0%
60−65
+0%

4K
High Preset

Battlefield 5 35−40
+0%
35−40
+0%
Far Cry New Dawn 27−30
+0%
27−30
+0%
Hitman 3 27−30
+0%
27−30
+0%
Horizon Zero Dawn 170−180
+0%
170−180
+0%
Metro Exodus 40−45
+0%
40−45
+0%
The Witcher 3: Wild Hunt 44
+0%
44
+0%

4K
Ultra Preset

Assassin's Creed Odyssey 29
+0%
29
+0%
Assassin's Creed Valhalla 27
+0%
27
+0%
Call of Duty: Modern Warfare 21−24
+0%
21−24
+0%
Cyberpunk 2077 14
+0%
14
+0%
Far Cry 5 20−22
+0%
20−22
+0%
Forza Horizon 4 74
+0%
74
+0%
Shadow of the Tomb Raider 52
+0%
52
+0%
Watch Dogs: Legion 21
+0%
21
+0%

4K
Epic Preset

Red Dead Redemption 2 30−35
+0%
30−35
+0%

This is how RX 580 2048SP and RX 6600M compete in popular games:

  • RX 6600M is 96% faster in 1080p
  • RX 6600M is 83% faster in 1440p
  • RX 6600M is 94% faster in 4K

All in all, in popular games:

  • there's a draw in 72 tests (100%)

Pros & cons summary


Performance score 19.95 35.68
Recency 15 October 2018 31 May 2021
Chip lithography 14 nm 7 nm
Power consumption (TDP) 150 Watt 100 Watt

RX 6600M has a 78.8% higher aggregate performance score, an age advantage of 2 years, a 100% more advanced lithography process, and 50% lower power consumption.

The Radeon RX 6600M is our recommended choice as it beats the Radeon RX 580 2048SP in performance tests.

Be aware that Radeon RX 580 2048SP is a desktop card while Radeon RX 6600M is a notebook 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 580 2048SP
Radeon RX 580 2048SP
AMD Radeon RX 6600M
Radeon RX 6600M

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.


4.2 3026 votes

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4.3 984 votes

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Questions & comments

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