Table 36. Intel Iris X
e
Graphics specifications (continued)
Memory type Shared with system memory
Memory interface N/A (Unified Memory Architecture)
Estimated maximum power consumption (TDP) 45 W, included in the CPU power
Maximum color depth 10 bits
Maximum vertical refresh rate Up to 120 Hz
NOTE: The refresh rate depends on the resolution.
External ports HDMI 2.0 port, DisplayPort over USB Type-C
Multiple display support Up to 4 displays including laptop display
Intel UHD Graphics
The following table lists the Intel UHD Graphics specifications.
Table 37. Intel UHD Graphics specifications
Bus type Integrated graphics
Memory type Shared with system memory
Graphics level i5/i7/i9: GT2 (UHD)
Estimated maximum power consumption (TDP) 45 W, included in the CPU power
Overlay planes Yes
Operating systems graphics/ video API support DirectX 12, OpenGL (4.5 from Intel CML POR)
Maximum vertical refresh rate
● 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)
External ports
● HDMI 2.0 port
● DisplayPort over USB Type-C
Multiple display support
Up to 4 displays via DisplayPort Multi-Streaming Technology
(MST)
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 HDMI 2.0 port
Maximum resolution—single display 4096 x 2160 @ 60 Hz
Maximum resolution—dual MST Not applicable
Maximum resolution—triple MST Not applicable
Engineering specifications 33
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