Radeon 820M vs 660M
Aggregate performance score
We've compared Radeon 660M and Radeon 820M, covering specs and all relevant benchmarks.
660M outperforms 820M by a whopping 507% based on our aggregate benchmark results.
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 548 | 1053 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 14.90 | no data |
| Architecture | RDNA 2.0 (2020−2025) | RDNA 3+ (2024) |
| GPU code name | Rembrandt+ | Krackan Point |
| Market segment | Laptop | Laptop |
| Release date | 3 January 2023 (2 years ago) | 2 June 2024 (1 year 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 cores | 384 | 128 |
| Core clock speed | 1500 MHz | no data |
| Boost clock speed | 1900 MHz | 2900 MHz |
| Number of transistors | 13,100 million | no data |
| Manufacturing process technology | 6 nm | 4 nm |
| Power consumption (TDP) | 40 Watt | no data |
| Texture fill rate | 45.60 | no data |
| Floating-point processing power | 1.459 TFLOPS | no data |
| ROPs | 16 | no data |
| TMUs | 24 | no data |
| Ray Tracing Cores | 6 | no data |
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 size | no data | medium sized |
| Interface | PCIe 4.0 x8 | no data |
| Supplementary power connectors | None | no data |
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 | System Shared | no data |
| Maximum RAM amount | System Shared | no data |
| Memory bus width | System Shared | no data |
| Memory clock speed | System Shared | 7500 MHz |
| Shared memory | + | + |
| Resizable BAR | - | + |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | Portable Device Dependent | no data |
API and SDK compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 Ultimate (12_2) | no data |
| Shader Model | 6.7 | no data |
| OpenGL | 4.6 | no data |
| OpenCL | 2.0 | no data |
| Vulkan | 1.3 | - |
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 | 25
+525%
| 4−5
−525%
|
FPS performance in popular games
Full HD
Low Preset
| Counter-Strike 2 | 40−45
+583%
|
6−7
−583%
|
| Cyberpunk 2077 | 24
+700%
|
3−4
−700%
|
| God of War | 22
+267%
|
6−7
−267%
|
Full HD
Medium Preset
| Battlefield 5 | 35−40
+1650%
|
2−3
−1650%
|
| Counter-Strike 2 | 40−45
+583%
|
6−7
−583%
|
| Cyberpunk 2077 | 20
+567%
|
3−4
−567%
|
| Far Cry 5 | 30
+900%
|
3−4
−900%
|
| Fortnite | 45−50
+1100%
|
4−5
−1100%
|
| Forza Horizon 4 | 35−40
+338%
|
8−9
−338%
|
| Forza Horizon 5 | 39
+3800%
|
1−2
−3800%
|
| God of War | 18
+200%
|
6−7
−200%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 27−30
+222%
|
9−10
−222%
|
| Valorant | 80−85
+145%
|
30−35
−145%
|
Full HD
High Preset
| Battlefield 5 | 35−40
+1650%
|
2−3
−1650%
|
| Counter-Strike 2 | 40−45
+583%
|
6−7
−583%
|
| Counter-Strike: Global Offensive | 120−130
+317%
|
30−33
−317%
|
| Cyberpunk 2077 | 14
+367%
|
3−4
−367%
|
| Dota 2 | 56
+522%
|
9−10
−522%
|
| Far Cry 5 | 26
+767%
|
3−4
−767%
|
| Fortnite | 45−50
+1100%
|
4−5
−1100%
|
| Forza Horizon 4 | 35−40
+338%
|
8−9
−338%
|
| Forza Horizon 5 | 32
+3100%
|
1−2
−3100%
|
| God of War | 13
+117%
|
6−7
−117%
|
| Grand Theft Auto V | 24
+2300%
|
1−2
−2300%
|
| Metro Exodus | 15
+650%
|
2−3
−650%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 27−30
+222%
|
9−10
−222%
|
| The Witcher 3: Wild Hunt | 25
+257%
|
7−8
−257%
|
| Valorant | 80−85
+145%
|
30−35
−145%
|
Full HD
Ultra Preset
| Battlefield 5 | 35−40
+1650%
|
2−3
−1650%
|
| Cyberpunk 2077 | 16−18
+433%
|
3−4
−433%
|
| Dota 2 | 48
+586%
|
7−8
−586%
|
| Far Cry 5 | 25
+733%
|
3−4
−733%
|
| Forza Horizon 4 | 35−40
+338%
|
8−9
−338%
|
| God of War | 11
+83.3%
|
6−7
−83.3%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 27−30
+222%
|
9−10
−222%
|
| The Witcher 3: Wild Hunt | 15
+114%
|
7−8
−114%
|
| Valorant | 80−85
+575%
|
12−14
−575%
|
Full HD
Epic Preset
| Fortnite | 45−50
+1100%
|
4−5
−1100%
|
1440p
High Preset
| Counter-Strike 2 | 14−16
+275%
|
4−5
−275%
|
| Counter-Strike: Global Offensive | 60−65
+663%
|
8−9
−663%
|
| Grand Theft Auto V | 10−11
+900%
|
1−2
−900%
|
| Metro Exodus | 8−9
+700%
|
1−2
−700%
|
| PLAYERUNKNOWN'S BATTLEGROUNDS | 40−45
+514%
|
7−8
−514%
|
| Valorant | 85−90
+1680%
|
5−6
−1680%
|
1440p
Ultra Preset
| Battlefield 5 | 16−18
+750%
|
2−3
−750%
|
| Cyberpunk 2077 | 6−7 | 0−1 |
| Far Cry 5 | 16−18
+1500%
|
1−2
−1500%
|
| Forza Horizon 4 | 18−20
+533%
|
3−4
−533%
|
| God of War | 8−9
+700%
|
1−2
−700%
|
| The Witcher 3: Wild Hunt | 10−11
+900%
|
1−2
−900%
|
1440p
Epic Preset
| Fortnite | 16−18
+700%
|
2−3
−700%
|
4K
High Preset
| Counter-Strike 2 | 1−2 | 0−1 |
| Grand Theft Auto V | 18−20
+26.7%
|
14−16
−26.7%
|
| Metro Exodus | 3−4 | 0−1 |
| The Witcher 3: Wild Hunt | 7−8
+600%
|
1−2
−600%
|
| Valorant | 40−45
+486%
|
7−8
−486%
|
4K
Ultra Preset
| Battlefield 5 | 8−9
+700%
|
1−2
−700%
|
| Counter-Strike 2 | 1−2 | 0−1 |
| Cyberpunk 2077 | 2−3 | 0−1 |
| Dota 2 | 27−30
+625%
|
4−5
−625%
|
| Far Cry 5 | 7−8
+600%
|
1−2
−600%
|
| Forza Horizon 4 | 12−14
+550%
|
2−3
−550%
|
| God of War | 6−7 | 0−1 |
| PLAYERUNKNOWN'S BATTLEGROUNDS | 8−9
+300%
|
2−3
−300%
|
4K
Epic Preset
| Fortnite | 8−9
+300%
|
2−3
−300%
|
This is how Radeon 660M and Radeon 820M compete in popular games:
- Radeon 660M is 525% faster in 1080p
Here's the range of performance differences observed across popular games:
- in Forza Horizon 5, with 1080p resolution and the Medium Preset, the Radeon 660M is 3800% faster.
All in all, in popular games:
- Without exception, Radeon 660M surpassed Radeon 820M in all 43 of our tests.
Pros & cons summary
| Performance score | 7.83 | 1.29 |
| Recency | 3 January 2023 | 2 June 2024 |
| Chip lithography | 6 nm | 4 nm |
Radeon 660M has a 507% higher aggregate performance score.
Radeon 820M, on the other hand, has an age advantage of 1 year, and a 50% more advanced lithography process.
The Radeon 660M is our recommended choice as it beats the Radeon 820M in performance tests.
Other comparisons
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
