AMD Radeon RX 6600M vs NVIDIA GeForce RTX 3080 Mobile

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Combined performance score

RTX 3080 Mobile
41.71
+19%

GeForce RTX 3080 Mobile outperforms Radeon RX 6600M by 19% in our combined benchmark results.

General info

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

Place in performance ranking85137
Place by popularitynot in top-100not in top-100
ArchitectureAmpere (2020−2022)RDNA 2 (2020−2022)
GPU code nameGN20-E7 GA104R21M-E65-70
Market segmentLaptopLaptop
Release date12 January 2021 (3 years old)1 September 2020 (3 years old)

Technical specs

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 cores61441792
Core clock speed780 - 1100 MHz2068 MHz
Boost clock speed1245 - 1710 MHz2177 MHz
Number of transistors17,400 million11,060 million
Manufacturing process technology8 nm7 nm
Power consumption (TDP)150 Watt (80 - 150 Watt TGP)100 Watt (50 - 100 Watt TGP)
Texture fill rate296.6235.8

Size and compatibility

Information on GeForce RTX 3080 Mobile and Radeon RX 6600M compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. 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 sizelargemedium sized
InterfacePCIe 4.0 x16PCIe 4.0 x8
Supplementary power connectorsno dataNone

Memory

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 typeGDDR6GDDR6
Maximum RAM amount16 GB8 GB
Memory bus width256 Bit128 Bit
Memory clock speed14000 MHz14000 MHz
Memory bandwidth384.0 GB/s256.0 GB/s
Shared memory--

Video outputs and ports

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 outputsNo outputs

API support

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

DirectX12 Ultimate (12_2)12 Ultimate (12_2)
Shader Model6.56.5
OpenGL4.64.6
OpenCL2.02.1
Vulkan1.21.2
CUDA8.6no 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.

RTX 3080 Mobile 41.71
+19%
RX 6600M 35.06

GeForce RTX 3080 Mobile outperforms Radeon RX 6600M by 19% in our combined benchmark results.


3DMark Vantage Performance

3DMark Vantage is an outdated DirectX 10 benchmark using 1280x1024 screen resolution. It taxes the graphics card with two scenes, one depicting a girl escaping some militarized base located within a sea cave, the other displaying a space fleet attack on a defenseless planet. It was discontinued in April 2017, and Time Spy benchmark is now recommended to be used instead.

Benchmark coverage: 17%

RTX 3080 Mobile 75159
+3.4%
RX 6600M 72686

GeForce RTX 3080 Mobile outperforms Radeon RX 6600M by 3% in 3DMark Vantage Performance.

3DMark 11 Performance GPU

3DMark 11 is an obsolete DirectX 11 benchmark by Futuremark. It used four tests based on two scenes, one being few submarines exploring the submerged wreck of a sunken ship, the other is an abandoned temple deep in the jungle. All the tests are heavy with volumetric lighting and tessellation, and despite being done in 1280x720 resolution, are relatively taxing. Discontinued in January 2020, 3DMark 11 is now superseded by Time Spy.

Benchmark coverage: 17%

RTX 3080 Mobile 38087
+19.5%
RX 6600M 31868

GeForce RTX 3080 Mobile outperforms Radeon RX 6600M by 20% in 3DMark 11 Performance GPU.

3DMark Fire Strike Graphics

Fire Strike is a DirectX 11 benchmark for gaming PCs. It features two separate tests displaying a fight between a humanoid and a fiery creature made of lava. Using 1920x1080 resolution, Fire Strike shows off some realistic graphics and is quite taxing on hardware.

Benchmark coverage: 14%

RTX 3080 Mobile 27266
+15.9%
RX 6600M 23525

GeForce RTX 3080 Mobile outperforms Radeon RX 6600M by 16% in 3DMark Fire Strike Graphics.

3DMark Cloud Gate GPU

Cloud Gate is an outdated DirectX 11 feature level 10 benchmark that was used for home PCs and basic notebooks. It displays a few scenes of some weird space teleportation device launching spaceships into unknown, using fixed resolution of 1280x720. Just like Ice Storm benchmark, it has been discontinued in January 2020 and replaced by 3DMark Night Raid.

Benchmark coverage: 14%

RTX 3080 Mobile 111181
RX 6600M 144612
+30.1%

Radeon RX 6600M outperforms GeForce RTX 3080 Mobile by 30% in 3DMark Cloud Gate GPU.

3DMark Ice Storm GPU

Ice Storm Graphics is an obsolete benchmark, part of 3DMark suite. Ice Storm was used to measure entry level laptops and Windows-based tablets performance. It utilizes DirectX 11 feature level 9 to display a battle between two space fleets near a frozen planet in 1280x720 resolution. Discontinued in January 2020, it is now superseded by 3DMark Night Raid.

Benchmark coverage: 8%

RTX 3080 Mobile 541176
+12.9%
RX 6600M 479404

GeForce RTX 3080 Mobile outperforms Radeon RX 6600M by 13% in 3DMark Ice Storm GPU.

SPECviewperf 12 - specvp12 maya-04

Benchmark coverage: 3%

RTX 3080 Mobile 183
+15.1%
RX 6600M 159

GeForce RTX 3080 Mobile outperforms Radeon RX 6600M by 15% in SPECviewperf 12 - specvp12 maya-04.

SPECviewperf 12 - specvp12 sw-03

Benchmark coverage: 3%

RTX 3080 Mobile 75
RX 6600M 180
+139%

Radeon RX 6600M outperforms GeForce RTX 3080 Mobile by 139% in SPECviewperf 12 - specvp12 sw-03.

SPECviewperf 12 - specvp12 snx-02

Benchmark coverage: 3%

RTX 3080 Mobile 13
RX 6600M 164
+1181%

Radeon RX 6600M outperforms GeForce RTX 3080 Mobile by 1181% in SPECviewperf 12 - specvp12 snx-02.

SPECviewperf 12 - specvp12 catia-04

Benchmark coverage: 3%

RTX 3080 Mobile 112
RX 6600M 207
+84.8%

Radeon RX 6600M outperforms GeForce RTX 3080 Mobile by 85% in SPECviewperf 12 - specvp12 catia-04.

SPECviewperf 12 - specvp12 creo-01

Benchmark coverage: 3%

RTX 3080 Mobile 63
RX 6600M 102
+63.2%

Radeon RX 6600M outperforms GeForce RTX 3080 Mobile by 63% in SPECviewperf 12 - specvp12 creo-01.

SPECviewperf 12 - specvp12 showcase-01

Benchmark coverage: 3%

RTX 3080 Mobile 125
+4.2%
RX 6600M 120

GeForce RTX 3080 Mobile outperforms Radeon RX 6600M by 4% in SPECviewperf 12 - specvp12 showcase-01.

SPECviewperf 12 - specvp12 3dsmax-05

Benchmark coverage: 2%

RTX 3080 Mobile 217
+26.2%
RX 6600M 172

GeForce RTX 3080 Mobile outperforms Radeon RX 6600M by 26% in SPECviewperf 12 - specvp12 3dsmax-05.

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 HD123
+23%
100
−23%
1440p80
+45.5%
55
−45.5%
4K51
+70%
30
−70%

Performance in popular games

Full HD
Low Preset

Cyberpunk 2077 134
+21.8%
110
−21.8%

Full HD
Medium Preset

Assassin's Creed Odyssey 122
+13%
108
−13%
Assassin's Creed Valhalla 96
+1.1%
95
−1.1%
Battlefield 5 110−120
+12.4%
100−110
−12.4%
Call of Duty: Modern Warfare 110−120
+20%
95−100
−20%
Cyberpunk 2077 117
+30%
90
−30%
Far Cry 5 128
+10.3%
116
−10.3%
Far Cry New Dawn 92
−8.7%
100
+8.7%
Forza Horizon 4 193
−4.7%
202
+4.7%
Hitman 3 156
+1.3%
154
−1.3%
Horizon Zero Dawn 119
−4.2%
124
+4.2%
Red Dead Redemption 2 65−70
+17.5%
55−60
−17.5%
Shadow of the Tomb Raider 127
+5.8%
120
−5.8%
Watch Dogs: Legion 110
−9.1%
120
+9.1%

Full HD
High Preset

Assassin's Creed Odyssey 104
−1.9%
106
+1.9%
Assassin's Creed Valhalla 79
+0%
79
+0%
Battlefield 5 140
+33.3%
100−110
−33.3%
Call of Duty: Modern Warfare 110−120
+20%
95−100
−20%
Cyberpunk 2077 99
+37.5%
72
−37.5%
Far Cry 5 121
+12%
108
−12%
Far Cry New Dawn 101
+5.2%
96
−5.2%
Forza Horizon 4 187
−6.4%
199
+6.4%
Hitman 3 147
+2.1%
144
−2.1%
Horizon Zero Dawn 97
−1%
98
+1%
Metro Exodus 99
+23.8%
80
−23.8%
Red Dead Redemption 2 74
+29.8%
55−60
−29.8%
Shadow of the Tomb Raider 120
+9.1%
110
−9.1%
The Witcher 3: Wild Hunt 190
+33.8%
142
−33.8%
Watch Dogs: Legion 97
−10.3%
107
+10.3%

Full HD
Ultra Preset

Assassin's Creed Odyssey 78
−1.3%
79
+1.3%
Assassin's Creed Valhalla 69
+0%
69
+0%
Battlefield 5 134
+27.6%
100−110
−27.6%
Cyberpunk 2077 90
+47.5%
61
−47.5%
Far Cry 5 114
+12.9%
101
−12.9%
Far Cry New Dawn 90
+1.1%
89
−1.1%
Forza Horizon 4 158
−6.3%
168
+6.3%
The Witcher 3: Wild Hunt 106
+24.7%
85
−24.7%
Watch Dogs: Legion 73
+23.7%
59
−23.7%

1440p
High Preset

Call of Duty: Modern Warfare 70−75
+22.8%
55−60
−22.8%
Hitman 3 116
+84.1%
60−65
−84.1%
Horizon Zero Dawn 77
+16.7%
66
−16.7%
Metro Exodus 56
+19.1%
47
−19.1%
Red Dead Redemption 2 49
+75%
27−30
−75%
Shadow of the Tomb Raider 96
+43.3%
67
−43.3%

1440p
Ultra Preset

Assassin's Creed Odyssey 59
+15.7%
51
−15.7%
Assassin's Creed Valhalla 54
+3.8%
52
−3.8%
Battlefield 5 108
+44%
75−80
−44%
Cyberpunk 2077 30−35
−5.9%
36
+5.9%
Far Cry 5 102
+13.3%
90
−13.3%
Far Cry New Dawn 85
+0%
85
+0%
Forza Horizon 4 130
+1.6%
128
−1.6%
The Witcher 3: Wild Hunt 79
+27.4%
62
−27.4%
Watch Dogs: Legion 56
+33.3%
42
−33.3%

4K
High Preset

Call of Duty: Modern Warfare 35−40
+25.8%
30−35
−25.8%
Hitman 3 40−45
+22.9%
35−40
−22.9%
Horizon Zero Dawn 55
+224%
17
−224%
Metro Exodus 38
+35.7%
28
−35.7%
Red Dead Redemption 2 32
+68.4%
18−20
−68.4%
Shadow of the Tomb Raider 52
+67.7%
31
−67.7%
The Witcher 3: Wild Hunt 70
+59.1%
44
−59.1%

4K
Ultra Preset

Assassin's Creed Odyssey 43
+48.3%
29
−48.3%
Assassin's Creed Valhalla 36
+33.3%
27
−33.3%
Battlefield 5 67
+55.8%
40−45
−55.8%
Cyberpunk 2077 14−16
+7.1%
14
−7.1%
Far Cry 5 55
+25%
44
−25%
Far Cry New Dawn 58
+20.8%
48
−20.8%
Forza Horizon 4 87
+17.6%
74
−17.6%
Watch Dogs: Legion 32
+52.4%
21
−52.4%

This is how RTX 3080 Mobile and RX 6600M compete in popular games:

1080p resolution:

  • RTX 3080 Mobile is 23% faster than RX 6600M

1440p resolution:

  • RTX 3080 Mobile is 45.5% faster than RX 6600M

4K resolution:

  • RTX 3080 Mobile is 70% faster than RX 6600M

Here's the range of performance differences observed across popular games:

  • in Horizon Zero Dawn, with 4K resolution and the High Preset, the RTX 3080 Mobile is 224% faster than the RX 6600M.
  • in Watch Dogs: Legion, with 1080p resolution and the High Preset, the RX 6600M is 10.3% faster than the RTX 3080 Mobile.

All in all, in popular games:

  • RTX 3080 Mobile is ahead in 54 tests (79%)
  • RX 6600M is ahead in 11 tests (16%)
  • there's a draw in 3 tests (4%)

Advantages and disadvantages


Performance score 41.71 35.06
Recency 12 January 2021 1 September 2020
Maximum RAM amount 16 GB 8 GB
Chip lithography 8 nm 7 nm
Power consumption (TDP) 150 Watt 100 Watt

The GeForce RTX 3080 Mobile is our recommended choice as it beats the Radeon RX 6600M in performance tests.


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

User ratings

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NVIDIA GeForce RTX 3080 Mobile
GeForce RTX 3080 Mobile
AMD Radeon RX 6600M
Radeon RX 6600M

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