Compare HP U27 vs HP Z27k G3 vs HP U28

Connectivity

Ports

1x HDMI 2.0, 1x DisplayPort 1.2, 1x 3.5 mm Audio Out, 1x 3.5 mm Audio In, 1x USB 3.2 (Type-B; Gen 1; upstream), 3x USB 3.2 (Type-A; Gen 1; downstream)

1x Ethernet RJ45, 1x HDMI 2.0, 1x DisplayPort 1.4 (out), 1x DisplayPort 1.4 (in), 1x USB (Type-C; upstream; 100W; DP Alt Mode), 4x USB 3.2 (Type-A; Gen 1; downstream)

1x HDMI 2.0, 1x DisplayPort 1.2, 1x 3.5 mm Audio Out, 1x USB (Type-C; upstream; 65W; DP Alt Mode), 3x USB 3.2 (Type-A; Gen 1; downstream)

Wireless Connectivity

WiFi + WiFi Direct

Construction

Adjustment | Height

100 mm / 3.937 in

150 mm / 5.9055 in

N/A

Adjustment | Pivot

N/A

-0° ~ 90°

-90° ~ 90°

Adjustment | Swivel

N/A

-45° ~ 45°

N/A

Adjustment | Tilt

-5° ~ 16°

-5° ~ 20°

-5° ~ 23°

Camera

Colors

Silver

Turbo Silver

Black

Speakers

2x 3W

VESA Mount

100 x 100 mm

Dimensions

Bezels

89.08% screen-to-body ratio

91.89% screen-to-body ratio

89.61% screen-to-body ratio

Size | Depth

2.09 in / 53.2 mm w/o stand, 7.62 in / 193.5 mm w/ stand

1.53 in / 38.9 mm w/o stand, 8.07 in / 205 mm w/ stand

1.71 in / 43.4 mm w/o stand, 7.48 in / 189.9 mm w/ stand

Size | Height

14.43 in / 366.5 mm w/o stand, 15.8 in / 401.3 mm w/ stand

14.02 in / 356 mm w/o stand, 14.97 in / 380.3 mm w/ stand

14.61 in / 371.2 mm w/o stand, 20.92 in / 531.4 mm w/ stand

Size | Width

24.15 in / 613.5 mm

24.11 in / 612.3 mm

25.08 in / 637.1 mm

Weight

5 kg / 11 lbs w/o stand

4.5 kg / 10 lbs w/o stand , 6.2 kg / 14 lbs w/ stand

6.35 kg / 14 lbs w/ stand

Display

Aspect Ratio

16:9

Brightness

300 nits

350 nits

400 nits

Contrast Ratio

1000:1 (static), 10000000:1 (dynamic)

1000:1 (static)

Display Backlight

W-LED

Display Color Depth

10 bits, 1073741824 colors

10 bits (8 bits + FRC), 1073741824 colors

Display Diagonal

27" (26.96 in / 684.7 mm)

27" (27 in / 685.8 mm)

28" (27.9 in / 708.538 mm)

Display Type

IPS, Anti-glare/Matte (3H)

IPS, Anti-glare/Matte

IPS, Anti-glare/Matte (3H)

Gamut

99% sRGB

85% DCI-P3, 99% sRGB

93% DCI-P3, 100% sRGB

Pixel Density

163 ppi

157 ppi

Pixel Pitch

0.155 mm

0.116 mm

Refresh Rate

40 Hz ~ 60 Hz

50 Hz ~ 60 Hz

23 Hz ~ 75 Hz

Resolution

4K (3840x2160)

Response Time

5 ms (min) / 8 ms (avg)

5 ms (min) / 14 ms (avg)

4 ms (min)

Viewing Angle

178° H / 178° V

Function

HDR

Licenses

CB, CCC, CE, China CEL, CSA, CSA-NRTL, BSMI, EAC, EUP Lot-6, FCC, GEMS, HRN N N0.201, ICES, IS 1121, KC/KCC, PSB, RCM, SABS IEC 60950-1, SASO, TUV Bauart, VCCI, ISC, EUP Lot-26, IEC 60950:1999, eStandby, MEPS (HP) UKRAINIA, ISO 9241

Australian-New Zealand MEPS;, BIS, BSMI, CB, CCC, CE, CECP, CEL, cTUVus, EAC, ENERGY STAR, FCC, GS Mark, ISO 9241-307, KC/KCC, NOM, PSB, SEPA, TCO Certified, TCO Certified Edge, TUV-S, VCCI, WEEE, Ukraine Energy label, WW application, UAE

Australian-New Zealand MEPS, BSMI, CB, CCC, CE, CECP, CEL, EAC, ENERGY STAR, FCC, ISO 9241-307, KC/KCC, NOM, PSB, SEPA, TCO Certified, TUV-S, UL/CSA, VCCI, Vietnam MEPS, WEEE, ISC, WW application, ICE

Operating Humidity

20 % ~ 80 %

Operating Temperature

5 °C ~ 35 °C , 41 °F ~ 95 °F

Variable Framerate

AMD FreeSync

Video

Flicker-free technology, Low Blue Light, 3-sided Borderless Design

Low Blue Light, Picture-by-Picture, Picture-in-Picture, 4-sided Micro Edge Design, Flicker-free technology

Flicker-free technology, Low Blue Light

Performance

Energy Efficiency

Power Consumption

46.2 W (average) / 72 W (max) / 0.3 W (sleep)

28 W (eco) / 0.5 W (sleep) / 0.5 W (off)

45 W (average) / 155 W (max) / 0.5 W (sleep)

Power Supply

100 W Power Delivery via USB-C

Production

Accessory

DisplayPort cable, HDMI cable, USB cable

DisplayPort cable, USB Type-A to Type-B cable

DisplayPort cable, HDMI cable, USB Type-C cable

Debut

2020

2021

2020

Reviews

Neofiliac score

64%

72%

83%

Pros

Stand with tilt and height adjustments
High 1000:1 contrast ratio
10-bit display panel
Build-in speakers included
Wireless connectivity

Stand with tilt, swivel, pivot, and height adjustments
High 1000:1 contrast ratio
10-bit display panel
High 91.89 % screen-to-body ratio

Rich color reproduction
Stand with tilt pivot adjustments
High 1000:1 contrast ratio
10-bit display panel
Build-in speakers included

Cons

No publicized HDR support

No publicized HDR support

Price

Offers (incl. referral links)

Remove

Add up to 4 products to the comparison using the search bar above

Information on this page is provided on an as-is basis. No warranty on accuracy is implied. This page may contain affiliate links to third-party merchants such as Amazon and eBay. If you make a purchase using the supplied link, we may receive a commission. Neofiliac places the utmost respect for your privacy. We use no cookie whatsoever beyond that needed for the proper functioning of the website.