Radeon Pro Vega 20 vs GeForce GTX 660M Mac Edition
Aggregate performance score
We've compared GeForce GTX 660M Mac Edition with Radeon Pro Vega 20, including specs and performance data.
Pro Vega 20 outperforms GTX 660M Mac Edition by a whopping 780% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 961 | 373 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 2.17 | 9.53 |
| Architecture | Kepler (2012−2018) | GCN 5.0 (2017−2020) |
| GPU code name | GK107 | Vega 12 |
| Market segment | Laptop | Mobile workstation |
| Release date | 1 April 2013 (11 years ago) | 14 November 2018 (5 years 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 | 1280 |
| Core clock speed | 950 MHz | 815 MHz |
| Boost clock speed | no data | 1283 MHz |
| Number of transistors | 1,270 million | no data |
| Manufacturing process technology | 28 nm | 14 nm |
| Power consumption (TDP) | 50 Watt | 100 Watt |
| Texture fill rate | 30.40 | 102.6 |
| Floating-point processing power | 0.7296 TFLOPS | 3.284 TFLOPS |
| ROPs | 16 | 32 |
| TMUs | 32 | 80 |
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 | large |
| Interface | MXM-B (3.0) | PCIe 3.0 x16 |
| Supplementary power connectors | None | 1x 6-pin + 1x 8-pin |
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 | GDDR5 | HBM2 |
| Maximum RAM amount | 512 MB | 4 GB |
| Memory bus width | 128 Bit | 1024 Bit |
| Memory clock speed | 1250 MHz | 740 MHz |
| Memory bandwidth | 80 GB/s | 189.4 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 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 12 (12_1) |
| Shader Model | 5.1 | 6.3 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | 1.1.126 | 1.2.131 |
| CUDA | 3.0 | - |
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 | 7−8
−786%
| 62
+786%
|
| 4K | 4−5
−925%
| 41
+925%
|
FPS performance in popular games
Full HD
Low Preset
| Cyberpunk 2077 | 21−24
+0%
|
21−24
+0%
|
Full HD
Medium Preset
| Assassin's Creed Odyssey | 30−35
+0%
|
30−35
+0%
|
| Assassin's Creed Valhalla | 21−24
+0%
|
21−24
+0%
|
| Battlefield 5 | 40−45
+0%
|
40−45
+0%
|
| Call of Duty: Modern Warfare | 27−30
+0%
|
27−30
+0%
|
| Cyberpunk 2077 | 21−24
+0%
|
21−24
+0%
|
| Far Cry 5 | 30−35
+0%
|
30−35
+0%
|
| Far Cry New Dawn | 51
+0%
|
51
+0%
|
| Forza Horizon 4 | 90−95
+0%
|
90−95
+0%
|
| Hitman 3 | 24−27
+0%
|
24−27
+0%
|
| Horizon Zero Dawn | 70−75
+0%
|
70−75
+0%
|
| Metro Exodus | 45−50
+0%
|
45−50
+0%
|
| Red Dead Redemption 2 | 35−40
+0%
|
35−40
+0%
|
| Shadow of the Tomb Raider | 76
+0%
|
76
+0%
|
| Watch Dogs: Legion | 70−75
+0%
|
70−75
+0%
|
Full HD
High Preset
| Assassin's Creed Odyssey | 30−35
+0%
|
30−35
+0%
|
| Assassin's Creed Valhalla | 21−24
+0%
|
21−24
+0%
|
| Battlefield 5 | 40−45
+0%
|
40−45
+0%
|
| Call of Duty: Modern Warfare | 27−30
+0%
|
27−30
+0%
|
| Cyberpunk 2077 | 21−24
+0%
|
21−24
+0%
|
| Far Cry 5 | 30−35
+0%
|
30−35
+0%
|
| Far Cry New Dawn | 46
+0%
|
46
+0%
|
| Forza Horizon 4 | 90−95
+0%
|
90−95
+0%
|
| Hitman 3 | 24−27
+0%
|
24−27
+0%
|
| Horizon Zero Dawn | 70−75
+0%
|
70−75
+0%
|
| Metro Exodus | 45−50
+0%
|
45−50
+0%
|
| Red Dead Redemption 2 | 35−40
+0%
|
35−40
+0%
|
| Shadow of the Tomb Raider | 45−50
+0%
|
45−50
+0%
|
| The Witcher 3: Wild Hunt | 30−35
+0%
|
30−35
+0%
|
| Watch Dogs: Legion | 70−75
+0%
|
70−75
+0%
|
Full HD
Ultra Preset
| Assassin's Creed Odyssey | 30−35
+0%
|
30−35
+0%
|
| Assassin's Creed Valhalla | 21−24
+0%
|
21−24
+0%
|
| Call of Duty: Modern Warfare | 27−30
+0%
|
27−30
+0%
|
| Cyberpunk 2077 | 21−24
+0%
|
21−24
+0%
|
| Far Cry 5 | 30−35
+0%
|
30−35
+0%
|
| Forza Horizon 4 | 90−95
+0%
|
90−95
+0%
|
| Hitman 3 | 24−27
+0%
|
24−27
+0%
|
| Horizon Zero Dawn | 70−75
+0%
|
70−75
+0%
|
| Shadow of the Tomb Raider | 45−50
+0%
|
45−50
+0%
|
| The Witcher 3: Wild Hunt | 31
+0%
|
31
+0%
|
| Watch Dogs: Legion | 70−75
+0%
|
70−75
+0%
|
Full HD
Epic Preset
| Red Dead Redemption 2 | 35−40
+0%
|
35−40
+0%
|
1440p
High Preset
| Battlefield 5 | 27−30
+0%
|
27−30
+0%
|
| Far Cry New Dawn | 21−24
+0%
|
21−24
+0%
|
1440p
Ultra Preset
| Assassin's Creed Odyssey | 14−16
+0%
|
14−16
+0%
|
| Assassin's Creed Valhalla | 10−11
+0%
|
10−11
+0%
|
| Call of Duty: Modern Warfare | 14−16
+0%
|
14−16
+0%
|
| Cyberpunk 2077 | 7−8
+0%
|
7−8
+0%
|
| Far Cry 5 | 16−18
+0%
|
16−18
+0%
|
| Forza Horizon 4 | 70−75
+0%
|
70−75
+0%
|
| Hitman 3 | 16−18
+0%
|
16−18
+0%
|
| Horizon Zero Dawn | 27−30
+0%
|
27−30
+0%
|
| Metro Exodus | 21−24
+0%
|
21−24
+0%
|
| Shadow of the Tomb Raider | 21−24
+0%
|
21−24
+0%
|
| The Witcher 3: Wild Hunt | 14−16
+0%
|
14−16
+0%
|
| Watch Dogs: Legion | 85−90
+0%
|
85−90
+0%
|
1440p
Epic Preset
| Red Dead Redemption 2 | 21−24
+0%
|
21−24
+0%
|
4K
High Preset
| Battlefield 5 | 12−14
+0%
|
12−14
+0%
|
| Far Cry New Dawn | 10−11
+0%
|
10−11
+0%
|
| Hitman 3 | 10−11
+0%
|
10−11
+0%
|
| Horizon Zero Dawn | 65−70
+0%
|
65−70
+0%
|
| Metro Exodus | 12−14
+0%
|
12−14
+0%
|
| The Witcher 3: Wild Hunt | 12−14
+0%
|
12−14
+0%
|
4K
Ultra Preset
| Assassin's Creed Odyssey | 8−9
+0%
|
8−9
+0%
|
| Assassin's Creed Valhalla | 6−7
+0%
|
6−7
+0%
|
| Call of Duty: Modern Warfare | 7−8
+0%
|
7−8
+0%
|
| Cyberpunk 2077 | 2−3
+0%
|
2−3
+0%
|
| Far Cry 5 | 7−8
+0%
|
7−8
+0%
|
| Forza Horizon 4 | 18−20
+0%
|
18−20
+0%
|
| Shadow of the Tomb Raider | 12−14
+0%
|
12−14
+0%
|
| Watch Dogs: Legion | 5−6
+0%
|
5−6
+0%
|
4K
Epic Preset
| Red Dead Redemption 2 | 12−14
+0%
|
12−14
+0%
|
This is how GTX 660M Mac Edition and Pro Vega 20 compete in popular games:
- Pro Vega 20 is 786% faster in 1080p
- Pro Vega 20 is 925% faster in 4K
All in all, in popular games:
- there's a draw in 72 tests (100%)
Pros & cons summary
| Performance score | 1.56 | 13.73 |
| Recency | 1 April 2013 | 14 November 2018 |
| Maximum RAM amount | 512 MB | 4 GB |
| Chip lithography | 28 nm | 14 nm |
| Power consumption (TDP) | 50 Watt | 100 Watt |
GTX 660M Mac Edition has 100% lower power consumption.
Pro Vega 20, on the other hand, has a 780.1% higher aggregate performance score, an age advantage of 5 years, a 700% higher maximum VRAM amount, and a 100% more advanced lithography process.
The Radeon Pro Vega 20 is our recommended choice as it beats the GeForce GTX 660M Mac Edition in performance tests.
Be aware that GeForce GTX 660M Mac Edition is a notebook graphics card while Radeon Pro Vega 20 is a mobile workstation 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.
