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    Iris Pro Graphics P580 vs Radeon R9 380

    If you are going to buy a new graphics card and are choosing between Iris Pro Graphics P580 and Radeon R9 380, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Iris Pro Graphics P580 stacks up against Radeon R9 380, check out specs charts below.
    Iris Pro Graphics P580 Check Price
    Radeon R9 380 Check Price

    Iris Pro Graphics P580 is a Laptop Graphics Card

    Note: Iris Pro Graphics P580 is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Iris Pro Graphics P580 here:

    Iris Pro Graphics P580 Laptops

    Main Specs

      Iris Pro Graphics P580 Radeon R9 380
    Power consumption (TDP) 15 Watt 190 Watt
    Interface PCIe 3.0 x1 PCIe 3.0 x16
    Supplementary power connectors 2 x 6-pin
    Memory type DDR3L/LPDDR3/DDR4 GDDR5
    Maximum RAM amount 64 GB 4 GB
    Display Connectors No outputs 2x DVI, 1x HDMI, 1x DisplayPort
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    • Radeon R9 380 has 1166% more power consumption, than Iris Pro Graphics P580.
    • Iris Pro Graphics P580 is connected by PCIe 3.0 x1, and Radeon R9 380 uses PCIe 3.0 x16 interface.
    • Iris Pro Graphics P580 has 60 GB more memory, than Radeon R9 380.
    • Iris Pro Graphics P580 is used in Laptops, and Radeon R9 380 - in Desktops.
    • Iris Pro Graphics P580 is build with Gen. 9 Skylake architecture, and Radeon R9 380 - with GCN.
    • Iris Pro Graphics P580 is manufactured by 14 nm process technology, and Radeon R9 380 - by 28 nm process technology.

    Game benchmarks

    high / 1080p 10−11 35−40
    ultra / 1080p 6−7 21−24
    QHD / 1440p 0−1 16−18
    4K / 2160p − 10−11
    low / 720p 21−24 60−65
    medium / 1080p 12−14 40−45
    The average gaming FPS of Radeon R9 380 in Assassin's Creed Odyssey is 215% more, than Iris Pro Graphics P580.

    Full Specs

      Iris Pro Graphics P580 Radeon R9 380
    Architecture Gen. 9 Skylake GCN
    Code name Skylake GT4e Tonga Pro
    Type Laptop Desktop
    Release date 1 September 2015 26 June 2015
    Pipelines 72 1792
    Core clock speed 350 MHz
    Boost Clock 1100 MHz 970 MHz
    Transistor count 189 million 5,000 million
    Manufacturing process technology 14 nm 28 nm
    Texture fill rate 75.60 108.6
    Floating-point performance 3,476 gflops
    Length 221 mm
    Memory bus width 256 Bit
    Memory clock speed 970 MHz
    Memory bandwidth 182.4 GB/s
    Shared memory + -
    DirectX 12 (12_1)
    Shader Model 6.4 6.3
    OpenGL 4.6 4.5
    OpenCL 2.1 2.0
    Vulkan 1.1.97 +
    Monero / XMR (CryptoNight) 0.48 kh/s
    FreeSync +
    Bus support PCIe 3.0
    HDMI +
    Bitcoin / BTC (SHA256) 404 Mh/s
    Eyefinity +
    HD3D +
    PowerTune +
    TrueAudio +
    ZeroCore +
    Mantle +
    Design reference
    Bridgeless CrossFire +
    Number of Eyefinity displays 6
    DisplayPort support +
    CrossFire +
    VCE +
    DDMA audio +
    Decred / DCR (Decred) 0.66 Gh/s
    Ethereum / ETH (DaggerHashimoto) 18 Mh/s
    Zcash / ZEC (Equihash) 168.45 Sol/s
    Quick Sync +
    Compute units 28
    Form factor full height / full length / dual slot
    High bandwidth memory (HBM) -
    LiquidVR +
    FRTC +
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