Radeon R9 M390X vs RX 480 Mobile
Primary Details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | not rated | 437 |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | Polaris (2016−2019) | GCN 3 (2014−2016) |
| GPU code name | Polaris | Amethyst (XT) / Tonga |
| Market segment | Laptop | Laptop |
| Release date | 1 August 2016 (7 years ago) | 9 June 2015 (8 years ago) |
| Launch price (MSRP) | $450 | no data |
| Current price | $577 (1.3x MSRP) | no data |
Detailed Specifications
General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 2304 | 2048 |
| Core clock speed | no data | 723 MHz |
| Boost clock speed | 1077 MHz | no data |
| Number of transistors | 5,700 million | 5,000 million |
| Manufacturing process technology | 14 nm | 28 nm |
| Power consumption (TDP) | 100 Watt | 100 Watt |
| Texture fill rate | 155.1 | 92.54 |
| Floating-point performance | 4,963 gflops | 2,961 gflops |
Form Factor & Compatibility
Information on Radeon RX 480 Mobile and Radeon R9 M390X compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
| Laptop size | large | large |
| Bus support | no data | PCIe 3.0 |
| Interface | MXM-B (3.0) | PCIe 3.0 x16 |
| 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 | GDDR5 | GDDR5 |
| Maximum RAM amount | 8 GB | 4 GB |
| Memory bus width | 256 Bit | 256 Bit |
| Memory clock speed | 8000 MHz | no data |
| Memory bandwidth | 256.0 GB/s | 160.0 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 |
| Eyefinity | no data | 1 |
Supported GPU Technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| AppAcceleration | no data | - |
| Enduro | no data | - |
| FreeSync | no data | 1 |
| HD3D | no data | + |
| PowerTune | no data | + |
| DualGraphics | no data | 1 |
| TrueAudio | no data | - |
| ZeroCore | no data | + |
| Switchable graphics | no data | 1 |
API Compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_0) | DirectX® 12 |
| Shader Model | 6.4 | 6.3 |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 2.0 | Not Listed |
| Vulkan | 1.2.131 | + |
| Mantle | no data | + |
Pros & Cons Summary
| Recency | 1 August 2016 | 9 June 2015 |
| Maximum RAM amount | 8 GB | 4 GB |
| Chip lithography | 14 nm | 28 nm |
We couldn't decide between Radeon RX 480 Mobile and Radeon R9 M390X. We've got no test results to judge.
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.
