Radeon R9 M270 vs R9 M390
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 452 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | GCN (2012−2015) | GCN (2012−2015) |
| GPU code name | Pitcairn | no data |
| Market segment | Laptop | Laptop |
| Release date | 9 June 2015 (9 years ago) | 1 April 2014 (10 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 | 1024 | 640 |
| Core clock speed | no data | 725 MHz |
| Number of transistors | 5000 Million | 1500 Million |
| Manufacturing process technology | 28 nm | 28 nm |
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 | large | large |
| Bus support | PCIe 3.0 | no data |
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 | 2 GB | 4 GB |
| Memory bus width | 256 Bit | 128 Bit |
| Memory clock speed | no data | 4500 MHz |
| 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.
| Eyefinity | + | - |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| FreeSync | + | - |
| HD3D | + | - |
| PowerTune | + | - |
| DualGraphics | + | - |
| ZeroCore | + | - |
| Switchable graphics | + | - |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | DirectX® 12 | 12 (FL 11_1) |
| OpenGL | 4.4 | no data |
| OpenCL | Not Listed | no data |
| Mantle | + | - |
Pros & cons summary
| Recency | 9 June 2015 | 1 April 2014 |
| Maximum RAM amount | 2 GB | 4 GB |
R9 M390 has an age advantage of 1 year.
R9 M270, on the other hand, has a 100% higher maximum VRAM amount.
We couldn't decide between Radeon R9 M390 and Radeon R9 M270. 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.
