Radeon RX 6600S vs R6 M340DX
Aggregate performance score
We've compared Radeon R6 M340DX and Radeon RX 6600S, covering specs and all relevant benchmarks.
RX 6600S outperforms R6 M340DX by a whopping 1130% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 751 | 132 |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | GCN (2011−2017) | RDNA 2 (2020−2022) |
| GPU code name | Jet | Navi 23 |
| Market segment | Laptop | Laptop |
| Release date | 3 June 2015 (9 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 cores | 704 | 1792 |
| Boost clock speed | 1030 MHz | 1881 MHz |
| Number of transistors | 690 million | 11,060 million |
| Manufacturing process technology | 28 nm | 7 nm |
| Power consumption (TDP) | no data | 80 Watt |
| Texture fill rate | 24.72 | 224.0 |
Form factor & compatibility
Information on Radeon R6 M340DX and Radeon RX 6600S 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 size | medium sized | medium sized |
| Interface | IGP | PCIe 4.0 x8 |
| Supplementary power connectors | no data | None |
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 type | DDR3 | GDDR6 |
| Maximum RAM amount | System Shared | 4 GB |
| Memory bus width | System Shared | 128 Bit |
| Memory clock speed | System Shared | 16000 MHz |
| Memory bandwidth | no data | 224.0 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 Connectors | No outputs | No outputs |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_1) | 12.0 Ultimate (12_2) |
| Shader Model | 5.1 | 6.5 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.1 |
| Vulkan | 1.2.131 | 1.2 |
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 HD | 10
−1100%
| 120−130
+1100%
|
FPS performance in popular games
Full HD
Low Preset
| Cyberpunk 2077 | 6−7
−917%
|
60−65
+917%
|
Full HD
Medium Preset
| Assassin's Creed Odyssey | 5−6
−1160%
|
60−65
+1160%
|
| Battlefield 5 | 5−6
−2200%
|
110−120
+2200%
|
| Call of Duty: Modern Warfare | 7−8
−929%
|
70−75
+929%
|
| Cyberpunk 2077 | 6−7
−917%
|
60−65
+917%
|
| Far Cry 5 | 5−6
−1460%
|
75−80
+1460%
|
| Far Cry New Dawn | 8−9
−1013%
|
85−90
+1013%
|
| Forza Horizon 4 | 12−14
−1058%
|
130−140
+1058%
|
| Hitman 3 | 6−7
−1117%
|
70−75
+1117%
|
| Horizon Zero Dawn | 18−20
−647%
|
140−150
+647%
|
| Red Dead Redemption 2 | 7−8
−1157%
|
85−90
+1157%
|
| Shadow of the Tomb Raider | 12−14
−1017%
|
130−140
+1017%
|
| Watch Dogs: Legion | 16−18
−463%
|
90−95
+463%
|
Full HD
High Preset
| Assassin's Creed Odyssey | 5−6
−1160%
|
60−65
+1160%
|
| Battlefield 5 | 5−6
−2200%
|
110−120
+2200%
|
| Call of Duty: Modern Warfare | 7−8
−929%
|
70−75
+929%
|
| Cyberpunk 2077 | 6−7
−917%
|
60−65
+917%
|
| Far Cry 5 | 5−6
−1460%
|
75−80
+1460%
|
| Far Cry New Dawn | 8−9
−1013%
|
85−90
+1013%
|
| Forza Horizon 4 | 12−14
−1058%
|
130−140
+1058%
|
| Hitman 3 | 6−7
−1117%
|
70−75
+1117%
|
| Horizon Zero Dawn | 18−20
−647%
|
140−150
+647%
|
| Red Dead Redemption 2 | 7−8
−1157%
|
85−90
+1157%
|
| Shadow of the Tomb Raider | 12−14
−1017%
|
130−140
+1017%
|
| The Witcher 3: Wild Hunt | 6
−1350%
|
85−90
+1350%
|
| Watch Dogs: Legion | 16−18
−463%
|
90−95
+463%
|
Full HD
Ultra Preset
| Assassin's Creed Odyssey | 5−6
−1160%
|
60−65
+1160%
|
| Call of Duty: Modern Warfare | 7−8
−929%
|
70−75
+929%
|
| Cyberpunk 2077 | 6−7
−917%
|
60−65
+917%
|
| Far Cry 5 | 5−6
−1460%
|
75−80
+1460%
|
| Forza Horizon 4 | 12−14
−1058%
|
130−140
+1058%
|
| Horizon Zero Dawn | 18−20
−647%
|
140−150
+647%
|
| Shadow of the Tomb Raider | 12−14
−1017%
|
130−140
+1017%
|
| The Witcher 3: Wild Hunt | 3
−2800%
|
85−90
+2800%
|
| Watch Dogs: Legion | 16−18
−463%
|
90−95
+463%
|
Full HD
Epic Preset
| Red Dead Redemption 2 | 7−8
−1157%
|
85−90
+1157%
|
1440p
High Preset
| Battlefield 5 | 5−6
−1260%
|
65−70
+1260%
|
| Far Cry New Dawn | 3−4
−2600%
|
80−85
+2600%
|
1440p
Ultra Preset
| Assassin's Creed Odyssey | 2−3
−1800%
|
35−40
+1800%
|
| Call of Duty: Modern Warfare | 5−6
−960%
|
50−55
+960%
|
| Cyberpunk 2077 | 1−2
−2600%
|
27−30
+2600%
|
| Far Cry 5 | 4−5
−1500%
|
60−65
+1500%
|
| Forza Horizon 4 | 4−5
−1725%
|
70−75
+1725%
|
| Hitman 3 | 8−9
−463%
|
45−50
+463%
|
| Horizon Zero Dawn | 7−8
−986%
|
75−80
+986%
|
| The Witcher 3: Wild Hunt | 2−3
−2350%
|
45−50
+2350%
|
| Watch Dogs: Legion | 1−2
−2900%
|
30−33
+2900%
|
1440p
Epic Preset
| Red Dead Redemption 2 | 6−7
−917%
|
60−65
+917%
|
4K
High Preset
| Battlefield 5 | 1−2
−3400%
|
35−40
+3400%
|
| Far Cry New Dawn | 2−3
−1350%
|
27−30
+1350%
|
| Horizon Zero Dawn | 3−4
−1367%
|
40−45
+1367%
|
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%
|
| Forza Horizon 4 | 0−1 | 45−50 |
| Horizon Zero Dawn | 3−4
−1367%
|
40−45
+1367%
|
| Metro Exodus | 5−6
−620%
|
35−40
+620%
|
| Watch Dogs: Legion | 0−1 | 16−18 |
4K
Epic Preset
| Red Dead Redemption 2 | 4−5
−675%
|
30−35
+675%
|
Full HD
Medium Preset
| Assassin's Creed Valhalla | 4−5
−1425%
|
60−65
+1425%
|
| Metro Exodus | 8−9
−1213%
|
100−110
+1213%
|
Full HD
High Preset
| Assassin's Creed Valhalla | 4−5
−1425%
|
60−65
+1425%
|
| Metro Exodus | 8−9
−1213%
|
100−110
+1213%
|
Full HD
Ultra Preset
| Assassin's Creed Valhalla | 4−5
−1425%
|
60−65
+1425%
|
1440p
Ultra Preset
| Assassin's Creed Valhalla | 3−4
−1167%
|
35−40
+1167%
|
| Metro Exodus | 5−6
−1240%
|
65−70
+1240%
|
| Shadow of the Tomb Raider | 6−7
−1300%
|
80−85
+1300%
|
4K
High Preset
| Hitman 3 | 2−3
−1350%
|
27−30
+1350%
|
| Shadow of the Tomb Raider | 2−3
−1250%
|
27−30
+1250%
|
| The Witcher 3: Wild Hunt | 3−4
−1267%
|
40−45
+1267%
|
4K
Ultra Preset
| Cyberpunk 2077 | 0−1 | 10−12 |
This is how R6 M340DX and RX 6600S compete in popular games:
- RX 6600S is 1100% faster in 1080p
Here's the range of performance differences observed across popular games:
- in Battlefield 5, with 4K resolution and the High Preset, the RX 6600S is 3400% faster.
All in all, in popular games:
- Without exception, RX 6600S surpassed R6 M340DX in all 58 of our tests.
Pros & cons summary
| Performance score | 2.88 | 35.42 |
| Recency | 3 June 2015 | 4 January 2022 |
| Chip lithography | 28 nm | 7 nm |
The Radeon RX 6600S is our recommended choice as it beats the Radeon R6 M340DX in performance tests.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Comparisons with similar GPUs
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
