Dell 27 Plus 4K Monitor (S2725QS) vs Sony INZONE M9

Every spec side by side, from each maker's published figures.

Only show differences

Better figure, where one is clearly better

Share comparison

27 Plus 4K Monitor (S2725QS) compared with INZONE M9

	Dell27 Plus 4K Monitor (S2725QS)	SonyINZONE M9
Overview
Released
Released	April 2025	July 2022
Display
Screen size
Screen size	27″	27″
Resolution
Resolution	3840 × 2160 (4K)	3840 × 2160 (4K)
Sharpness
Sharpness	163 pixels per inch	163 pixels per inch
Panel
Panel	IPS	IPS (Direct LED backlight with full-array local dimming)
Refresh rate
Refresh rate	120 Hz	144 Hz (better)
Response time (grey to grey)
Response time (grey to grey)	4 ms	1 ms (better)
Brightness (typical)
Brightness (typical)	350 nits	400 nits (better)
HDR peak brightness
HDR peak brightness	–	600 nits
HDR certification
HDR certification	–	DisplayHDR 600
HDR formats
HDR formats	–	HDR10, HLG
Contrast ratio
Contrast ratio	1,500:1	1,000:1
Colour range
Colour range	99% sRGB	Over 95% DCI-P3
DCI-P3 coverage
DCI-P3 coverage	–	95%
Screen finish
Screen finish	Matte	Matte
Shape
Shape	Flat	Flat
Adaptive sync
Adaptive sync	FreeSync Premium	G-Sync Compatible, HDMI VRR
Colour depth
Colour depth	1.07 billion colours	1.07 billion colours
Colour modes
Colour modes	–	Standard, FPS Game, Cinema, Game 1 and Game 2; black equalizer, crosshair, timer and frame-rate counter
sRGB coverage
sRGB coverage	99% (CIE 1931)	–
HDR detail
HDR detail	Smart HDR modes (Desktop, Movie HDR, Game HDR); HDR over HDMI	Full-array local dimming; 96 zones reported by TechSpot. Sony's formal specifications give 600 cd/m² peak brightness, while its Japanese engineer interview describes a 750-nit design target. Dynamic contrast 80,000:1; static contrast 1,000:1.
Response time detail
Response time detail	8 ms (Normal), 5 ms (Fast), 4 ms (Extreme) grey to grey	1 ms grey-to-grey in Fast mode (Sony Japan)
Variable refresh range
Variable refresh range	–	48–144 Hz over DisplayPort and 48–120 Hz over HDMI (Sony FAQ); supported vertical-frequency ranges are 24–144 Hz and 24–120 Hz respectively
Motion blur reduction
Motion blur reduction	–	No backlight strobing (Sony FAQ)
Viewing angles
Viewing angles	178° horizontal, 178° vertical (typical)	178° horizontal and vertical
Pixel pitch
Pixel pitch	0.1554 mm x 0.1554 mm	–
Eye care
Eye care	ComfortView Plus (blue light ≤35%), flicker-free, TÜV Rheinland Eye Comfort 3.0 (4 star)	TÜV Rheinland-certified low blue light and flicker-free display
Calibration
Calibration	–	Sony states Delta E below 1 for HDR input in its FAQ; a factory colour-calibration report is supplied. This is not an SDR accuracy claim.
Connections
Video inputs
Video inputs	2 × HDMI 2.1, DisplayPort 1.4	2 × HDMI 2.1, DisplayPort 1.4, USB-C
USB-C charging
USB-C charging	None	Up to 15 W (better)
USB ports
USB ports	–	3 × USB-A
KVM switch
KVM switch	–	Yes
Ethernet
Ethernet	No	No
Speakers
Speakers	Yes	Yes
HDMI detail
HDMI detail	2 x HDMI (HDCP 1.4 and 2.3), up to 3840 x 2160 at 120 Hz with FRL, HDR and VRR as specified in HDMI 2.1; one on the side	2 × HDMI 2.1, up to 4K 120 Hz; HDMI VRR, ALLM, CEC and HDCP 2.3. PS5 Auto HDR Tone Mapping and Auto Genre Picture Mode require supported PS5 software and settings.
DisplayPort detail
DisplayPort detail	1 x DisplayPort 1.4 (HDCP 1.4 and 2.3), up to 3840 x 2160 at 120 Hz	1 × DisplayPort 1.4, up to 4K 144 Hz
USB-C detail
USB-C detail	–	DisplayPort Alternate Mode and USB upstream; USB data transfer up to 480 Mbps (USB 2.0). Power output 5 V / 3 A, equivalent to 15 W (Sony FAQ).
USB hub detail
USB hub detail	–	1 × USB-B upstream (USB 3.0, 5 Gbps), 3 × USB-A downstream (5 V / 0.9 A each). Auto KVM switches peripherals between USB-B and USB-C upstream connections; video alone does not establish both USB connections.
Audio out
Audio out	–	3.5 mm headphone jack
Speaker detail
Speaker detail	2 x 5 W	2 W × 2
Design
Stand adjusts
Stand adjusts	Height, tilt, swivel, pivot (better)	Height, tilt
VESA mount
VESA mount	Yes	Yes
Weight with stand
Weight with stand	6.47 kg	6.8 kg
Height adjustment
Height adjustment	130 mm	70 mm
Tilt
Tilt	-5° to 21°	0° to 20°
Swivel
Swivel	-30° to 30°	No swivel
Pivot
Pivot	-90° to 90°	No portrait pivot
VESA pattern
VESA pattern	100 x 100 mm	100 × 100 mm
Size with stand
Size with stand	611.6 x 200.4 x 388.6–518.6 mm (W x D x H)	Approximately 615 × 479 × 248 mm (W × H × D)
Size without stand
Size without stand	611.6 x 59.9 x 356.1 mm (W x D x H)	Approximately 615 × 363 × 73 mm (W × H × D)
Weight without stand
Weight without stand	4.56 kg	Approximately 4.6 kg
Weight detail
Weight detail	–	Approximately 6.8 kg including the stand
Controls
Controls	–	Rear joystick; configurable rear lighting with 13 colour options
Colours
Colours	Ash white	White rear housing and black bezel
Power and support
Power use
Power use	24.6 W on mode, 0.3 W standby, 0.3 W off, 67.4 W maximum	Typical 139 W; Eco mode 28.9 W; standby 0.5 W (Sony UK specifications)
Energy class
Energy class	F	–
Power supply
Power supply	Internal, 100–240 VAC, 50/60 Hz	External AC adapter; 100–240 V AC, 50/60 Hz
Laptop charging
Laptop charging	–	USB charging depends on the USB-hub/KVM selection settings (Sony FAQ)
Software
Software	Dell Display and Peripheral Manager (Easy Arrange)	INZONE Hub for Windows; firmware updates through the PC software using a USB upstream connection
Certifications
Certifications	ENERGY STAR 8.0, TÜV Rheinland Eye Comfort 3.0 (4 star)	–
Warranty
Warranty	3 years Advanced Exchange Service and Premium Panel Exchange (UK)	–
In the box
In the box	Stand, VESA cover, side I/O cover, power cable, HDMI cable (1.8 m)	AC adapter, AC power cord, setup guide, operating instructions, factory colour-calibration report, warranty card and INZONE sticker. Video and USB cables are not included (Sony UK specifications and FAQ).