HD Graphics (Sandy Bridge) vs Iris Pro Graphics 580

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking	634	not rated
Place by popularity	not in top-100	not in top-100
Power efficiency	22.08	no data
Architecture	Generation 9.0 (2015−2016)	Gen. 6 Sandy Bridge (2011)
GPU code name	Skylake GT4e	Sandy Bridge
Market segment	Desktop	Laptop
Release date	1 September 2015 (9 years ago)	1 May 2011 (13 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	6
Core clock speed	350 MHz	350 MHz
Boost clock speed	950 MHz	1100 MHz
Number of transistors	189 million	no data
Manufacturing process technology	14 nm+	32 nm
Power consumption (TDP)	15 Watt	no data
Texture fill rate	68.40	no data
Floating-point processing power	1.094 TFLOPS	no data
ROPs	9	no data
TMUs	72	no data

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	no data
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	no data
Maximum RAM amount	64 GB	no data
Memory bus width	System Shared	64/128 Bit
Memory clock speed	System Shared	no data
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 data

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)	10.1
Shader Model	6.4	no data
OpenGL	4.6	no data
OpenCL	3.0	no data
Vulkan	1.3	-

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.

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Pros & cons summary

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Recency	1 September 2015	1 May 2011
Chip lithography	14 nm	32 nm

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Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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