Intel Uhd Graphics; Video Port And Resolution Matrix - Dell Precision 3581 Technical Manualbook

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Table 36. Intel Iris X
Memory type
Memory interface
Estimated maximum power consumption (TDP)
Maximum color depth
Maximum vertical refresh rate
External ports
Multiple display support

Intel UHD Graphics

The following table lists the Intel UHD Graphics specifications.
Table 37. Intel UHD Graphics specifications
Bus type
Memory type
Graphics level
Estimated maximum power consumption (TDP)
Overlay planes
Operating systems graphics/ video API support
Maximum vertical refresh rate
External ports
Multiple display support

Video port and resolution matrix

The following table lists the Video port and resolution matrix of your Precision 3581.
Table 38. Video port and resolution matrix
Port type
Maximum resolution—single display
Maximum resolution—dual MST
Maximum resolution—triple MST
Graphics specifications (continued)
HDMI 2.0 port
4096 x 2160 @ 60 Hz
Not applicable
Not applicable
Shared with system memory
N/A (Unified Memory Architecture)
45 W, included in the CPU power
10 bits
Up to 120 Hz
NOTE: The refresh rate depends on the resolution.
HDMI 2.0 port, DisplayPort over USB Type-C
Up to 4 displays including laptop display
Integrated graphics
Shared with system memory
i5/i7/i9: GT2 (UHD)
45 W, included in the CPU power
Yes
DirectX 12, OpenGL (4.5 from Intel CML POR)
● HDMI 2.0: 4096 x 2160 @ 60 Hz, 24bpp (HDMI or optional
USB Type-C to HDMI dongle)
● Max Digital: 4096 x 2304 @ 60 Hz, 24bpp (mDP or DP 1.4
over Type-C Port)
● HDMI 2.0 port
● DisplayPort over USB Type-C
Up to 4 displays via DisplayPort Multi-Streaming Technology
(MST)
Engineering specifications 33