Radeon RX 580X Mobile vs Iris Plus Graphics 640
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 696 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 17.82 | no data |
| Architecture | Generation 9.5 (2016−2020) | GCN 4.0 (2016−2020) |
| GPU code name | Kaby Lake GT3e | Polaris 20 |
| Market segment | Desktop | Laptop |
| Release date | 3 January 2017 (7 years ago) | 11 April 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 | 384 | 2304 |
| Core clock speed | 300 MHz | 1000 MHz |
| Boost clock speed | 1100 MHz | 1077 MHz |
| Number of transistors | 189 million | 5,700 million |
| Manufacturing process technology | 14 nm++ | 14 nm |
| Power consumption (TDP) | 15 Watt | 100 Watt |
| Texture fill rate | 52.80 | 155.1 |
| Floating-point processing power | 0.8448 TFLOPS | 4.963 TFLOPS |
| ROPs | 6 | 32 |
| TMUs | 48 | 144 |
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 | Ring Bus | MXM-B (3.0) |
| Width | IGP | 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 | DDR3L/LPDDR3/DDR4 | GDDR5 |
| Maximum RAM amount | 32 GB | 8 GB |
| Memory bus width | System Shared | 256 Bit |
| Memory clock speed | System Shared | 2000 MHz |
| Memory bandwidth | no data | 256.0 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 | Portable Device Dependent | No outputs |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| Quick Sync | + | no data |
API compatibility
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_1) | 12 (12_0) |
| Shader Model | 6.4 | 6.4 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 3.0 | 2.0 |
| Vulkan | 1.3 | 1.2.131 |
Pros & cons summary
| Recency | 3 January 2017 | 11 April 2018 |
| Maximum RAM amount | 32 GB | 8 GB |
| Power consumption (TDP) | 15 Watt | 100 Watt |
Iris Plus Graphics 640 has a 300% higher maximum VRAM amount, and 566.7% lower power consumption.
RX 580X Mobile, on the other hand, has an age advantage of 1 year.
We couldn't decide between Iris Plus Graphics 640 and Radeon RX 580X Mobile. We've got no test results to judge.
Be aware that Iris Plus Graphics 640 is a desktop card while Radeon RX 580X Mobile is a notebook 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.
