Compare Acer EI491CR Pbmiiipx vs Lenovo ThinkVision P44w-10 vs Lenovo ThinkVision P40w-20

1x DisplayPort 1.2, 1x 3.5 mm Audio In, 1x 3.5 mm Audio Out, 2x HDMI 1.4, 1x HDMI 2.0

1x USB 3.1 (upstream), 2x HDMI 2.0, 1x 3.5 mm Audio Out, 1x DisplayPort 1.4, 2x USB 3.0 (Type-C - 90 W), 3x USB 3.1 (downstream)

1x USB 3.2 (Type-C; Gen 1; upstream; 27W), 1x Ethernet RJ45 (Gigabit), 1x DisplayPort 1.4, 1x Thunderbolt 4.0 (Type-C; upstream; 100W; DP Alt Mode), 1x Thunderbolt 4.0, 1x HDMI 2.0, 4x USB 3.2 (Type-A; Gen 1; downstream), 1x 3.5 mm Audio Out (line-out ...

N/A

120 mm / 4.7244 in

130 mm / 5.1181 in

N/A

N/A

N/A

N/A

-135° ~ 135°

-45° ~ 45°

-5° ~ 15°

-12° ~ 32°

-5° ~ 22°

No

No

No

Black

Black

Raven Black

Curved monitor

Curved monitor

Curved monitor

2x 3W

2x 9W

75 x 75 mm

400 x 200 mm

100 x 100 mm

89.52% screen-to-body ratio

89.68% screen-to-body ratio

6.77 in / 172 mm w/o stand, 9.45 in / 240 mm w/ stand

10.62 in / 269.8 mm w/ stand

3.97 in / 100.8 mm w/o stand, 11 in / 279.4 mm w/ stand

14.76 in / 375 mm w/o stand, 17.95 in / 456 mm w/ stand

23.27 in / 591.1 mm w/ stand

16.88 in / 428.7 mm w/o stand, 20.13 in / 511.2 mm w/ stand

47.17 in / 1198 mm

41.67 in / 1058.3 mm

37.31 in / 947.6 mm

9.3 kg / 20 lbs w/o stand , 11.4 kg / 25 lbs w/ stand

13.45 kg / 30 lbs w/ stand

9.95 kg / 22 lbs w/o stand , 14.65 kg / 32 lbs w/ stand

36:10

32:10

21:9

400 nits

380 nits / 450 nits (peak)

300 nits

3000:1 (static), 100000000:1 (dynamic)

3000:1 (static)

1000:1 (static), 3000000:1 (dynamic)

W-LED

W-LED

W-LED

8 bits, 16777216 colors

10 bits (8 bits + FRC), 1073741824 colors

10 bits, 1073741824 colors

1800R

1800R

2500R

49" (49 in / 1244.6 mm)

43" (43.4 in / 1102.47 mm)

40" (39.71 in / 1008.59 mm)

VA, Anti-glare/Matte (3H), Samsung

VA, Anti-glare/Matte

IPS, Anti-glare/Matte (3H)

90% DCI-P3

90% DCI-P3, 99.5% sRGB

98% DCI-P3, 99% sRGB

81 ppi

92 ppi

140 ppi

0.311 mm

0.274 mm

0.182 mm

48 Hz ~ 144 Hz

144 Hz

48 Hz ~ 75 Hz

DFHD (3840 x 1080)

3840 x 1200

5K2K WUHD (5120x2160)

4 ms (min)

4 ms (min)

4 ms (min) / 6 ms (avg)

178° H / 178° V

178° H / 178° V

HDR10, DisplayHDR 400

HDR, DisplayHDR 400

CCC, CE, ENERGY STAR, ErP, RoHS, TCO Certified Displays

BSMI, C-Tick, CCC, CE, CECP, ENERGY STAR 7.1, FCC Class B, KC, RoHS, TCO Certified Displays 8.0, TÜV Eye Comfort, VCCI, WHQL (Windows 10; Windows 8.1; Windows 8; Windows 7)

CCC, China Energy Efficiency Standard Tier 2, EnergyStar 8.0, EPEAT Silver, TCO Certified Displays 8.0, TCO Edge 2.0, TÜV Rheinland Eyesafe Display Certification, Windows Certification (Windows 10)

20 % ~ 80 %

10 % ~ 80 %

10 % ~ 80 %

0 °C ~ 40 °C , 32 °F ~ 104 °F

0 °C ~ 45 °C , 32 °F ~ 113 °F

0 °C ~ 40 °C , 32 °F ~ 104 °F

AMD FreeSync

AMD FreeSync

Flicker-free technology, HDCP (High-bandwidth Digital Content Protection), Picture-in-Picture, Picture-by-Picture, Blue Light Filter

HDCP (High-bandwidth Digital Content Protection), Low Blue Light, Picture-in-Picture, Picture-by-Picture, DDC/CI

Flicker-free technology, Natural Low Blue Light technology, Picture-in-Picture, True Split technology, Picture-by-Picture, 3-side NearEdgeless Design, eKVM switch

B

90 W (average) / 66 W (eco) / 0.45 W (sleep) / 0.35 W (off)

70 W (average) / 250 W (max) / 0.5 W (sleep) / 0.5 W (off)

60 W (average) / 250 W (max) / 0.5 W (sleep) / 0.3 W (off)

DisplayPort cable

DisplayPort cable, HDMI cable, USB Type-C cable

Thunderbolt 4 cabke (40 Gbps)

2019

2019

2021