Radeon 550X 640SP vs R7 M270
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 951 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Architecture | GCN 1.0 (2012−2020) | GCN 4.0 (2016−2020) |
| GPU code name | Opal | Lexa |
| Market segment | Laptop | Desktop |
| Release date | 9 January 2014 (11 years ago) | 11 April 2018 (7 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 | 640 |
| Core clock speed | 725 MHz | 1019 MHz |
| Boost clock speed | no data | 1071 MHz |
| Number of transistors | 950 million | 2,200 million |
| Manufacturing process technology | 28 nm | 14 nm |
| Power consumption (TDP) | no data | 50 Watt |
| Texture fill rate | 19.80 | 42.84 |
| Floating-point processing power | 0.6336 TFLOPS | 1.371 TFLOPS |
| ROPs | 8 | 16 |
| TMUs | 24 | 40 |
| L1 Cache | 96 KB | 160 KB |
| L2 Cache | 256 KB | 256 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).
| Laptop size | medium sized | no data |
| Bus support | PCIe 3.0 | no data |
| Interface | PCIe 3.0 x8 | PCIe 3.0 x8 |
| Width | no data | IGP |
| 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 | Not Listed | GDDR5 |
| Maximum RAM amount | 0 MB | 4 GB |
| Memory bus width | Not Listed | 64 Bit |
| Memory clock speed | no data | 1500 MHz |
| Memory bandwidth | 28.8 GB/s | 48 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 DVI, 1x HDMI, 1x DisplayPort |
| HDMI | - | + |
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 and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | DirectX® 11 | 12 (12_0) |
| Shader Model | 5.1 | 6.4 |
| OpenGL | 4.4 | 4.6 |
| OpenCL | Not Listed | 2.0 |
| Vulkan | - | 1.2.131 |
| Mantle | + | - |
Pros & cons summary
| Recency | 9 January 2014 | 11 April 2018 |
| Chip lithography | 28 nm | 14 nm |
550X 640SP has an age advantage of 4 years, and a 100% more advanced lithography process.
We couldn't decide between Radeon R7 M270 and Radeon 550X 640SP. We've got no test results to judge.
Be aware that Radeon R7 M270 is a notebook graphics card while Radeon 550X 640SP is a desktop one.
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