Radeon R9 M390 Mac Edition vs GRID M40
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 746 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 6.09 | no data |
| Architecture | Maxwell (2014−2017) | GCN 1.0 (2012−2020) |
| GPU code name | GM107 | Pitcairn |
| Market segment | Workstation | Laptop |
| Release date | 18 May 2016 (9 years ago) | 5 May 2015 (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 | 384 | 1024 |
| Core clock speed | 1033 MHz | 958 MHz |
| Boost clock speed | 1000 MHz | no data |
| Number of transistors | 1,870 million | 2,800 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Power consumption (TDP) | 50 Watt | 80 Watt |
| Texture fill rate | 33.06 | 61.31 |
| Floating-point processing power | 0.7933 TFLOPS | 1.962 TFLOPS |
| ROPs | 16 | 32 |
| TMUs | 32 | 64 |
| L1 Cache | 192 KB | 256 KB |
| L2 Cache | 2 MB | 512 KB |
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).
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Width | 2-slot | no data |
| 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 | 2 GB |
| Memory bus width | 128 Bit | 256 Bit |
| Memory clock speed | 1300 MHz | 1365 MHz |
| Memory bandwidth | 83.2 GB/s | 174.7 GB/s |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | No outputs | No outputs |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (11_0) | 12 (11_1) |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.1.126 | 1.2 |
| CUDA | 5.0 | - |
Pros & cons summary
| Recency | 18 May 2016 | 5 May 2015 |
| Maximum RAM amount | 8 GB | 2 GB |
| Power consumption (TDP) | 50 Watt | 80 Watt |
GRID M40 has an age advantage of 1 year, a 300% higher maximum VRAM amount, and 60% lower power consumption.
We couldn't decide between GRID M40 and Radeon R9 M390 Mac Edition. We've got no test results to judge.
Be aware that GRID M40 is a workstation graphics card while Radeon R9 M390 Mac Edition is a notebook one.
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