P30PH vs Radeon R7 M445
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 901 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 6.91 | no data |
| Architecture | GCN 3.0 (2014−2019) | GCN 4.0 (2016−2020) |
| GPU code name | Meso | Polaris 20 |
| Market segment | Laptop | Workstation |
| Release date | 15 May 2016 (9 years ago) | no data |
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 | 320 | 2048 |
| Core clock speed | 780 MHz | 1120 MHz |
| Boost clock speed | 920 MHz | 1206 MHz |
| Number of transistors | 1,550 million | 5,700 million |
| Manufacturing process technology | 28 nm | 14 nm |
| Power consumption (TDP) | 15-25 Watt | 180 Watt |
| Texture fill rate | 18.40 | 154.4 |
| Floating-point processing power | 0.5888 TFLOPS | 4.94 TFLOPS |
| ROPs | 8 | 32 |
| TMUs | 20 | 128 |
| L1 Cache | 80 KB | 512 KB |
| L2 Cache | 128 KB | 2 MB |
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 x8 | PCIe 3.0 x16 |
| Length | no data | 241 mm |
| Width | no data | 2-slot |
| Supplementary power connectors | no data | 2x 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 | GDDR5 |
| Maximum RAM amount | 4 GB | 4 GB |
| Memory bus width | 64 Bit | 256 Bit |
| Memory clock speed | 1000 MHz | 2100 MHz |
| Memory bandwidth | 32 GB/s | 268.8 GB/s |
| Shared memory | - | - |
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 | 1x HDMI 2.0b |
| HDMI | - | + |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_0) | 12 (12_0) |
| Shader Model | 6.0 | 6.7 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 2.1 |
| Vulkan | 1.2.131 | 1.3 |
Pros & cons summary
| Chip lithography | 28 nm | 14 nm |
| Power consumption (TDP) | 15 Watt | 180 Watt |
R7 M445 has 1100% lower power consumption.
P30PH, on the other hand, has a 100% more advanced lithography process.
We couldn't decide between Radeon R7 M445 and P30PH. We've got no test results to judge.
Be aware that Radeon R7 M445 is a notebook graphics card while P30PH is a workstation one.
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