GeForce GTX 860M OEM vs Iris Pro Graphics 580

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Primary details

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

Place in the ranking634not rated
Place by popularitynot in top-100not in top-100
Power efficiency22.94no data
ArchitectureGeneration 9.0 (2015−2016)Maxwell (2014−2017)
GPU code nameSkylake GT4eGM107
Market segmentDesktopLaptop
Release date1 September 2015 (9 years ago)5 February 2015 (9 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 cores576640
Core clock speed350 MHz1020 MHz
Boost clock speed950 MHz1085 MHz
Number of transistors189 million1,870 million
Manufacturing process technology14 nm+28 nm
Power consumption (TDP)15 Watt75 Watt
Texture fill rate68.4043.40
Floating-point processing power1.094 TFLOPS1.389 TFLOPS
ROPs916
TMUs7240

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).

InterfaceRing BusMXM-B (3.0)
WidthIGPno data
Supplementary power connectorsno dataNone

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 typeDDR3L/LPDDR3/DDR4GDDR5
Maximum RAM amount64 GB2 GB
Memory bus widthSystem Shared128 Bit
Memory clock speedSystem Shared1253 MHz
Memory bandwidthno data80.19 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 ConnectorsPortable Device DependentNo 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.

DirectX12 (12_1)12 (11_0)
Shader Model6.45.1
OpenGL4.64.6
OpenCL3.01.2
Vulkan1.31.1.126
CUDA-5.0

Pros & cons summary


Recency 1 September 2015 5 February 2015
Maximum RAM amount 64 GB 2 GB
Chip lithography 14 nm 28 nm
Power consumption (TDP) 15 Watt 75 Watt

Iris Pro Graphics 580 has an age advantage of 6 months, a 3100% higher maximum VRAM amount, a 100% more advanced lithography process, and 400% lower power consumption.

We couldn't decide between Iris Pro Graphics 580 and GeForce GTX 860M OEM. We've got no test results to judge.

Be aware that Iris Pro Graphics 580 is a desktop card while GeForce GTX 860M OEM is a notebook one.


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

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Intel Iris Pro Graphics 580
Iris Pro Graphics 580
NVIDIA GeForce GTX 860M OEM
GeForce GTX 860M OEM

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.4 17 votes

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3.2 37 votes

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Questions & comments

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