Radeon Pro Vega 20 vs GeForce GTX 680MX Mac Edition
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 376 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | no data | 9.51 |
| Architecture | Kepler (2012−2018) | GCN 5.0 (2017−2020) |
| GPU code name | GK104 | Vega 12 |
| Market segment | Laptop | Mobile workstation |
| Release date | 23 October 2012 (12 years ago) | 14 November 2018 (6 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 | 1536 | 1280 |
| Core clock speed | 719 MHz | 815 MHz |
| Boost clock speed | no data | 1283 MHz |
| Number of transistors | 3,540 million | no data |
| Manufacturing process technology | 28 nm | 14 nm |
| Power consumption (TDP) | 122 Watt | 100 Watt |
| Texture fill rate | 92.03 | 102.6 |
| Floating-point processing power | 2.209 TFLOPS | 3.284 TFLOPS |
| ROPs | 32 | 32 |
| TMUs | 128 | 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 | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Supplementary power connectors | no data | 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 | 2 GB | 4 GB |
| Memory bus width | 256 Bit | 1024 Bit |
| Memory clock speed | 1250 MHz | 740 MHz |
| Memory bandwidth | 160.0 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 | - |
Pros & cons summary
| Recency | 23 October 2012 | 14 November 2018 |
| Maximum RAM amount | 2 GB | 4 GB |
| Chip lithography | 28 nm | 14 nm |
| Power consumption (TDP) | 122 Watt | 100 Watt |
Pro Vega 20 has an age advantage of 6 years, a 100% higher maximum VRAM amount, a 100% more advanced lithography process, and 22% lower power consumption.
We couldn't decide between GeForce GTX 680MX Mac Edition and Radeon Pro Vega 20. We've got no test results to judge.
Be aware that GeForce GTX 680MX 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.
