GeForce GTX 660 vs Radeon RX Vega M GL
Aggregate performance score
We've compared Radeon RX Vega M GL with GeForce GTX 660, including specs and performance data.
GTX 660 outperforms RX Vega M GL by a small 6% based on our aggregate benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 451 | 433 |
| Place by popularity | not in top-100 | 89 |
| Cost-effectiveness evaluation | no data | 3.28 |
| Power efficiency | 10.82 | 5.34 |
| Architecture | GCN 4.0 (2016−2020) | Kepler (2012−2018) |
| GPU code name | Polaris 22 | GK106 |
| Market segment | Laptop | Desktop |
| Release date | 1 February 2018 (6 years ago) | 6 September 2012 (12 years ago) |
| Launch price (MSRP) | no data | $229 |
Cost-effectiveness evaluation
Performance to price ratio. The higher, the better.
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 | 1280 | 960 |
| Core clock speed | 931 MHz | 980 MHz |
| Boost clock speed | 1011 MHz | 1033 MHz |
| Number of transistors | 5,000 million | 2,540 million |
| Manufacturing process technology | 14 nm | 28 nm |
| Power consumption (TDP) | 65 Watt | 140 Watt |
| Texture fill rate | 80.88 | 82.56 |
| Floating-point processing power | 2.588 TFLOPS | 1.981 TFLOPS |
| ROPs | 32 | 24 |
| TMUs | 80 | 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).
| Bus support | no data | PCI Express 3.0 |
| Interface | IGP | PCIe 3.0 x16 |
| Length | no data | 241 mm |
| Height | no data | 4.376" (11.1 cm) |
| Width | no data | 2-slot |
| Supplementary power connectors | no data | 1x 6-pin |
| SLI options | - | + |
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 | HBM2 | GDDR5 |
| Maximum RAM amount | 4 GB | 2 GB |
| Memory bus width | 1024 Bit | 192-bit GDDR5 |
| Memory clock speed | 700 MHz | 6.0 GB/s |
| Memory bandwidth | 179.2 GB/s | 144.2 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 | One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort |
| Multi monitor support | no data | 4 displays |
| HDMI | - | + |
| HDCP | - | + |
| Maximum VGA resolution | no data | 2048x1536 |
| Audio input for HDMI | no data | Internal |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| 3D Blu-Ray | - | + |
| 3D Gaming | - | + |
| 3D Vision | - | + |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_0) | 12 (11_0) |
| Shader Model | 6.4 | 5.1 |
| OpenGL | 4.6 | 4.3 |
| OpenCL | 2.0 | 1.2 |
| Vulkan | 1.2.131 | 1.1.126 |
| CUDA | - | + |
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.
Passmark
This is the most ubiquitous GPU benchmark. 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.
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 | 40−45
−17.5%
| 47
+17.5%
|
FPS performance in popular games
Full HD
High Preset
| The Witcher 3: Wild Hunt | 24−27
−3.8%
|
27−30
+3.8%
|
Full HD
Ultra Preset
| The Witcher 3: Wild Hunt | 24−27
−3.8%
|
27−30
+3.8%
|
4K
High Preset
| The Witcher 3: Wild Hunt | 7−8
+0%
|
7−8
+0%
|
This is how RX Vega M GL and GTX 660 compete in popular games:
- GTX 660 is 18% faster in 1080p
Pros & cons summary
| Performance score | 9.75 | 10.37 |
| Recency | 1 February 2018 | 6 September 2012 |
| Maximum RAM amount | 4 GB | 2 GB |
| Chip lithography | 14 nm | 28 nm |
| Power consumption (TDP) | 65 Watt | 140 Watt |
RX Vega M GL has an age advantage of 5 years, a 100% higher maximum VRAM amount, a 100% more advanced lithography process, and 115.4% lower power consumption.
GTX 660, on the other hand, has a 6.4% higher aggregate performance score.
Given the minimal performance differences, no clear winner can be declared between Radeon RX Vega M GL and GeForce GTX 660.
Be aware that Radeon RX Vega M GL is a notebook card while GeForce GTX 660 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.
