Radeon 660M vs R6 (Mullins)
Aggregate performance score
We've compared Radeon R6 (Mullins) with Radeon 660M, including specs and performance data.
660M outperforms R6 (Mullins) by a whopping 2445% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 1186 | 326 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | no data | 28.20 |
| Architecture | GCN 1.1 (2014) | RDNA 2.0 (2020−2024) |
| GPU code name | Mullins | Rembrandt+ |
| Market segment | Laptop | Desktop |
| Release date | 29 April 2014 (10 years ago) | 3 January 2023 (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 | 128 | 384 |
| Core clock speed | 500 MHz | 1500 MHz |
| Boost clock speed | no data | 1900 MHz |
| Number of transistors | no data | 13,100 million |
| Manufacturing process technology | 28 nm | 6 nm |
| Power consumption (TDP) | no data | 40 Watt |
| Texture fill rate | no data | 45.60 |
| Floating-point processing power | no data | 1.459 TFLOPS |
| ROPs | no data | 16 |
| TMUs | no data | 24 |
| Ray Tracing Cores | no data | 6 |
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).
| Interface | no data | PCIe 4.0 x8 |
| Width | no data | IGP |
| 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 | no data | System Shared |
| Maximum RAM amount | no data | System Shared |
| Memory bus width | 64 Bit | System Shared |
| Memory clock speed | no data | System Shared |
| 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 data | Portable Device Dependent |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (FL 12_0) | 12 Ultimate (12_2) |
| Shader Model | no data | 6.7 |
| OpenGL | no data | 4.6 |
| OpenCL | no data | 2.0 |
| Vulkan | - | 1.3 |
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.
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.
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.
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 | 0−1 | 25 |
FPS performance in popular games
Full HD
Low Preset
| Cyberpunk 2077 | 3−4
−700%
|
24
+700%
|
Full HD
Medium Preset
| Assassin's Creed Odyssey | 4−5
−475%
|
21−24
+475%
|
| Call of Duty: Modern Warfare | 3−4
−567%
|
20−22
+567%
|
| Cyberpunk 2077 | 3−4
−567%
|
20
+567%
|
| Far Cry New Dawn | 1−2
−2600%
|
27−30
+2600%
|
| Hitman 3 | 5−6
−320%
|
21
+320%
|
| Horizon Zero Dawn | 10−12
−391%
|
50−55
+391%
|
| Shadow of the Tomb Raider | 6−7
−433%
|
30−35
+433%
|
| Watch Dogs: Legion | 30−33
−107%
|
60−65
+107%
|
Full HD
High Preset
| Assassin's Creed Odyssey | 4−5
−475%
|
21−24
+475%
|
| Call of Duty: Modern Warfare | 3−4
−567%
|
20−22
+567%
|
| Cyberpunk 2077 | 3−4
−367%
|
14
+367%
|
| Far Cry New Dawn | 1−2
−2600%
|
27−30
+2600%
|
| Hitman 3 | 5−6
−320%
|
21
+320%
|
| Horizon Zero Dawn | 10−12
−391%
|
50−55
+391%
|
| Shadow of the Tomb Raider | 6−7
−450%
|
33
+450%
|
| The Witcher 3: Wild Hunt | 10−11
−160%
|
24−27
+160%
|
| Watch Dogs: Legion | 30−33
−107%
|
60−65
+107%
|
Full HD
Ultra Preset
| Assassin's Creed Odyssey | 4−5
−475%
|
21−24
+475%
|
| Call of Duty: Modern Warfare | 3−4
−567%
|
20−22
+567%
|
| Cyberpunk 2077 | 3−4
−400%
|
14−16
+400%
|
| Hitman 3 | 5−6
−280%
|
18−20
+280%
|
| Horizon Zero Dawn | 10−12
−100%
|
22
+100%
|
| Shadow of the Tomb Raider | 6−7
−350%
|
27
+350%
|
| The Witcher 3: Wild Hunt | 10−11
−50%
|
15
+50%
|
| Watch Dogs: Legion | 30−33
−107%
|
60−65
+107%
|
1440p
High Preset
| Far Cry New Dawn | 1−2
−1400%
|
14−16
+1400%
|
1440p
Ultra Preset
| Assassin's Creed Odyssey | 0−1 | 10−11 |
| Cyberpunk 2077 | 1−2
−400%
|
5−6
+400%
|
| Far Cry 5 | 1−2
−1000%
|
10−12
+1000%
|
| Hitman 3 | 6−7
−117%
|
12−14
+117%
|
| Horizon Zero Dawn | 3−4
−567%
|
20−22
+567%
|
| Watch Dogs: Legion | 1−2
−6100%
|
60−65
+6100%
|
1440p
Epic Preset
| Red Dead Redemption 2 | 3−4
−433%
|
16−18
+433%
|
4K
Ultra Preset
| Assassin's Creed Odyssey | 1−2
−500%
|
6−7
+500%
|
| Assassin's Creed Valhalla | 0−1 | 4−5 |
4K
Epic Preset
| Red Dead Redemption 2 | 2−3
−350%
|
9−10
+350%
|
Full HD
Medium Preset
| Assassin's Creed Valhalla | 26
+0%
|
26
+0%
|
| Battlefield 5 | 30−33
+0%
|
30−33
+0%
|
| Far Cry 5 | 21−24
+0%
|
21−24
+0%
|
| Forza Horizon 4 | 65−70
+0%
|
65−70
+0%
|
| Metro Exodus | 30−35
+0%
|
30−35
+0%
|
| Red Dead Redemption 2 | 27−30
+0%
|
27−30
+0%
|
Full HD
High Preset
| Assassin's Creed Valhalla | 19
+0%
|
19
+0%
|
| Battlefield 5 | 30−33
+0%
|
30−33
+0%
|
| Far Cry 5 | 21−24
+0%
|
21−24
+0%
|
| Forza Horizon 4 | 65−70
+0%
|
65−70
+0%
|
| Metro Exodus | 30−35
+0%
|
30−35
+0%
|
| Red Dead Redemption 2 | 27−30
+0%
|
27−30
+0%
|
Full HD
Ultra Preset
| Assassin's Creed Valhalla | 14−16
+0%
|
14−16
+0%
|
| Far Cry 5 | 21−24
+0%
|
21−24
+0%
|
| Forza Horizon 4 | 65−70
+0%
|
65−70
+0%
|
Full HD
Epic Preset
| Red Dead Redemption 2 | 27−30
+0%
|
27−30
+0%
|
1440p
High Preset
| Battlefield 5 | 18−20
+0%
|
18−20
+0%
|
1440p
Ultra Preset
| Assassin's Creed Valhalla | 6−7
+0%
|
6−7
+0%
|
| Call of Duty: Modern Warfare | 10−11
+0%
|
10−11
+0%
|
| Forza Horizon 4 | 40−45
+0%
|
40−45
+0%
|
| Metro Exodus | 14−16
+0%
|
14−16
+0%
|
| Shadow of the Tomb Raider | 12−14
+0%
|
12−14
+0%
|
| The Witcher 3: Wild Hunt | 9−10
+0%
|
9−10
+0%
|
4K
High Preset
| Battlefield 5 | 9−10
+0%
|
9−10
+0%
|
| Far Cry New Dawn | 7−8
+0%
|
7−8
+0%
|
| Hitman 3 | 6−7
+0%
|
6−7
+0%
|
| Horizon Zero Dawn | 40−45
+0%
|
40−45
+0%
|
| Metro Exodus | 8−9
+0%
|
8−9
+0%
|
| The Witcher 3: Wild Hunt | 7−8
+0%
|
7−8
+0%
|
4K
Ultra Preset
| Call of Duty: Modern Warfare | 4−5
+0%
|
4−5
+0%
|
| Cyberpunk 2077 | 1−2
+0%
|
1−2
+0%
|
| Far Cry 5 | 5−6
+0%
|
5−6
+0%
|
| Forza Horizon 4 | 12−14
+0%
|
12−14
+0%
|
| Shadow of the Tomb Raider | 6−7
+0%
|
6−7
+0%
|
| Watch Dogs: Legion | 3−4
+0%
|
3−4
+0%
|
Here's the range of performance differences observed across popular games:
- in Watch Dogs: Legion, with 1440p resolution and the Ultra Preset, the Radeon 660M is 6100% faster.
All in all, in popular games:
- Radeon 660M is ahead in 35 tests (50%)
- there's a draw in 35 tests (50%)
Pros & cons summary
| Performance score | 0.64 | 16.29 |
| Recency | 29 April 2014 | 3 January 2023 |
| Chip lithography | 28 nm | 6 nm |
Radeon 660M has a 2445.3% higher aggregate performance score, an age advantage of 8 years, and a 366.7% more advanced lithography process.
The Radeon 660M is our recommended choice as it beats the Radeon R6 (Mullins) in performance tests.
Be aware that Radeon R6 (Mullins) is a notebook card while Radeon 660M is a desktop one.
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.
