Radeon RX 6600S vs R8 M445DX

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Aggregate performance score

We've compared Radeon R8 M445DX and Radeon RX 6600S, covering specs and all relevant benchmarks.

R8 M445DX
2016
DDR3, DDR4
2.06

RX 6600S outperforms R8 M445DX by a whopping 1621% based on our aggregate benchmark results.

Primary details

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

Place in performance ranking878141
Place by popularitynot in top-100not in top-100
ArchitectureGCN (2011−2017)RDNA 2 (2020−2023)
GPU code nameMesoNavi 23
Market segmentLaptopLaptop
Release date1 June 2016 (8 years ago)4 January 2022 (2 years ago)

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 cores7041792
Core clock speed720 / 1020 MHzno data
Boost clock speedno data1881 MHz
Number of transistors1,550 million11,060 million
Manufacturing process technology28 nm7 nm
Power consumption (TDP)no data80 Watt
Texture fill rate20.42224.0
Floating-point performance0.6534 gflops7.168 gflops

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 sizedmedium sized
InterfaceIGPPCIe 4.0 x8
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 typeDDR3, DDR4GDDR6
Maximum RAM amountSystem Shared4 GB
Memory bus width128 + 64 Bit128 Bit
Memory clock speed933 / 1000 MHz16000 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 outputsNo outputs

API compatibility

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

DirectX12 (12_0)12.0 Ultimate (12_2)
Shader Model6.06.5
OpenGL4.64.6
OpenCL2.02.1
Vulkan1.2.1311.2

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.

R8 M445DX 2.06
RX 6600S 35.46
+1621%

Passmark

This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. 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.

R8 M445DX 796
RX 6600S 13678
+1618%

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 HD15
−1567%
250−260
+1567%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 5−6
−1120%
60−65
+1120%

Full HD
Medium Preset

Assassin's Creed Odyssey 7−8
−986%
75−80
+986%
Battlefield 5 2−3
−5650%
110−120
+5650%
Call of Duty: Modern Warfare 5−6
−1340%
70−75
+1340%
Cyberpunk 2077 5−6
−1120%
60−65
+1120%
Far Cry 5 3−4
−2500%
75−80
+2500%
Far Cry New Dawn 5−6
−1680%
85−90
+1680%
Forza Horizon 4 8−9
−2163%
180−190
+2163%
Hitman 3 7−8
−971%
75−80
+971%
Horizon Zero Dawn 18−20
−739%
150−160
+739%
Red Dead Redemption 2 4−5
−2025%
85−90
+2025%
Shadow of the Tomb Raider 10−11
−1170%
120−130
+1170%
Watch Dogs: Legion 35−40
−242%
120−130
+242%

Full HD
High Preset

Assassin's Creed Odyssey 7−8
−986%
75−80
+986%
Battlefield 5 2−3
−5650%
110−120
+5650%
Call of Duty: Modern Warfare 5−6
−1340%
70−75
+1340%
Cyberpunk 2077 5−6
−1120%
60−65
+1120%
Far Cry 5 3−4
−2500%
75−80
+2500%
Far Cry New Dawn 5−6
−1680%
85−90
+1680%
Forza Horizon 4 8−9
−2163%
180−190
+2163%
Hitman 3 7−8
−971%
75−80
+971%
Horizon Zero Dawn 18−20
−739%
150−160
+739%
Red Dead Redemption 2 4−5
−2025%
85−90
+2025%
Shadow of the Tomb Raider 10−11
−1170%
120−130
+1170%
The Witcher 3: Wild Hunt 21
−252%
70−75
+252%
Watch Dogs: Legion 35−40
−242%
120−130
+242%

Full HD
Ultra Preset

Assassin's Creed Odyssey 7−8
−986%
75−80
+986%
Call of Duty: Modern Warfare 5−6
−1340%
70−75
+1340%
Cyberpunk 2077 5−6
−1120%
60−65
+1120%
Far Cry 5 3−4
−2500%
75−80
+2500%
Forza Horizon 4 8−9
−2163%
180−190
+2163%
Hitman 3 7−8
−971%
75−80
+971%
Horizon Zero Dawn 18−20
−739%
150−160
+739%
Shadow of the Tomb Raider 10−11
−1170%
120−130
+1170%
The Witcher 3: Wild Hunt 12−14
−517%
70−75
+517%
Watch Dogs: Legion 35−40
−242%
120−130
+242%

Full HD
Epic Preset

Red Dead Redemption 2 4−5
−2025%
85−90
+2025%

1440p
High Preset

Battlefield 5 3−4
−2167%
65−70
+2167%
Far Cry New Dawn 3−4
−1700%
50−55
+1700%

1440p
Ultra Preset

Assassin's Creed Odyssey 2−3
−1800%
35−40
+1800%
Call of Duty: Modern Warfare 1−2
−4000%
40−45
+4000%
Cyberpunk 2077 1−2
−2600%
27−30
+2600%
Far Cry 5 2−3
−1950%
40−45
+1950%
Hitman 3 7−8
−543%
45−50
+543%
Horizon Zero Dawn 6−7
−1167%
75−80
+1167%
The Witcher 3: Wild Hunt 1−2
−4800%
45−50
+4800%
Watch Dogs: Legion 10−12
−1536%
180−190
+1536%

1440p
Epic Preset

Red Dead Redemption 2 5−6
−1120%
60−65
+1120%

4K
High Preset

Far Cry New Dawn 1−2
−2800%
27−30
+2800%

4K
Ultra Preset

Assassin's Creed Odyssey 2−3
−1050%
21−24
+1050%
Assassin's Creed Valhalla 1−2
−2000%
21−24
+2000%
Call of Duty: Modern Warfare 1−2
−2100%
21−24
+2100%
Far Cry 5 1−2
−1900%
20−22
+1900%
Watch Dogs: Legion 0−1 16−18

4K
Epic Preset

Red Dead Redemption 2 3−4
−933%
30−35
+933%

Full HD
Medium Preset

Assassin's Creed Valhalla 60−65
+0%
60−65
+0%
Metro Exodus 110−120
+0%
110−120
+0%

Full HD
High Preset

Assassin's Creed Valhalla 60−65
+0%
60−65
+0%
Metro Exodus 110−120
+0%
110−120
+0%

Full HD
Ultra Preset

Assassin's Creed Valhalla 60−65
+0%
60−65
+0%

1440p
Ultra Preset

Assassin's Creed Valhalla 35−40
+0%
35−40
+0%
Forza Horizon 4 200−210
+0%
200−210
+0%
Metro Exodus 65−70
+0%
65−70
+0%
Shadow of the Tomb Raider 80−85
+0%
80−85
+0%

4K
High Preset

Battlefield 5 35−40
+0%
35−40
+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 40−45
+0%
40−45
+0%

4K
Ultra Preset

Cyberpunk 2077 10−12
+0%
10−12
+0%
Forza Horizon 4 45−50
+0%
45−50
+0%
Shadow of the Tomb Raider 45−50
+0%
45−50
+0%

This is how R8 M445DX and RX 6600S compete in popular games:

  • RX 6600S is 1567% faster in 1080p

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

  • in Battlefield 5, with 1080p resolution and the Medium Preset, the RX 6600S is 5650% faster.

All in all, in popular games:

  • RX 6600S is ahead in 54 tests (76%)
  • there's a draw in 17 tests (24%)

Pros & cons summary


Performance score 2.06 35.46
Recency 1 June 2016 4 January 2022
Chip lithography 28 nm 7 nm

RX 6600S has a 1621.4% higher aggregate performance score, an age advantage of 5 years, and a 300% more advanced lithography process.

The Radeon RX 6600S is our recommended choice as it beats the Radeon R8 M445DX in performance tests.


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 R8 M445DX
Radeon R8 M445DX
AMD Radeon RX 6600S
Radeon RX 6600S

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.


2.2 77 votes

Rate Radeon R8 M445DX on a scale of 1 to 5:

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4.7 13 votes

Rate Radeon RX 6600S on a scale of 1 to 5:

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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.