Radeon HD 6870 1600SP Edition vs Iris Pro Graphics 580
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | 705 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | 22.46 | no data |
| Architecture | Generation 9.0 (2015−2016) | TeraScale 2 (2009−2015) |
| GPU code name | Skylake GT4e | Cypress |
| Market segment | Laptop | Desktop |
| Release date | 1 September 2015 (10 years ago) | 14 January 2013 (12 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 | 576 | 1600 |
| Core clock speed | 350 MHz | 850 MHz |
| Boost clock speed | 950 MHz | no data |
| Number of transistors | 189 million | 2,154 million |
| Manufacturing process technology | 14 nm+ | 40 nm |
| Power consumption (TDP) | 15 Watt | 175 Watt |
| Texture fill rate | 68.40 | 68.00 |
| Floating-point processing power | 1.094 TFLOPS | 2.72 TFLOPS |
| ROPs | 9 | 32 |
| TMUs | 72 | 80 |
| L1 Cache | no data | 160 KB |
| L2 Cache | no data | 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 | Ring Bus | PCIe 2.0 x16 |
| Length | no data | 282 mm |
| Width | no data | 2-slot |
| Supplementary power connectors | no data | 2x 6-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 | DDR3L/LPDDR3/DDR4 | GDDR5 |
| Maximum RAM amount | 64 GB | 1 GB |
| Memory bus width | System Shared | 256 Bit |
| Memory clock speed | System Shared | 1050 MHz |
| Memory bandwidth | no data | 134.4 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 | Portable Device Dependent | 2x DVI, 1x HDMI, 2x mini-DisplayPort |
| HDMI | - | + |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| Quick Sync | + | no data |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12 (12_1) | 11.2 (11_0) |
| Shader Model | 6.4 | 5.0 |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 3.0 | 1.2 |
| Vulkan | 1.3 | N/A |
Pros & cons summary
| Recency | 1 September 2015 | 14 January 2013 |
| Maximum RAM amount | 64 GB | 1 GB |
| Chip lithography | 14 nm | 40 nm |
| Power consumption (TDP) | 15 Watt | 175 Watt |
Iris Pro Graphics 580 has an age advantage of 2 years, a 6300% higher maximum VRAM amount, a 185.7% more advanced lithography process, and 1066.7% lower power consumption.
We couldn't decide between Iris Pro Graphics 580 and Radeon HD 6870 1600SP Edition. We've got no test results to judge.
Be aware that Iris Pro Graphics 580 is a notebook graphics card while Radeon HD 6870 1600SP Edition is a desktop one.
Other comparisons
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