Comparison between Lenovo ThinkVision T34w-20 vs Acer EI491CR

General Info
Model Number	Lenovo ThinkVision T34w-20	Acer EI491CR

Price	Check on Amazon	Check on Amazon
Type	Monitor	Monitor
Year	2020	2019
Brand	Lenovo	Acer
Model Series		EI1
Model Number	ThinkVision T34w-20	EI491CR
Alias	61F3GAR1EU 61F3GAR1US 61F3GAR1UK	EI491CR Pbmiiipx EI491CRPbmiiipx
Display
Screen Size Class	34" (inches)	49" (inches)
Diagonal Size	34 in 86.4 cm 863.6 mm 2.83 ft	49 in 124.5 cm 1244.6 mm 4.08 ft
Screen Width	31.39 in 79.7 cm 797.184 mm 2.62 ft	47.08 in 119.6 cm 1195.78 mm 3.92 ft
Screen Height	13.14 in 33.4 cm 333.72 mm 1.09 ft	13.24 in 33.6 cm 336.31 mm 1.1 ft
Display Curvature	1500	1800
Display Manufacturer		Samsung
Display Type	VA	VA
Display Bit Depth	8 bits	8 bits
Frame Rate Control		No
Max Number of Colors	16777216	16777216
Bits	24	24
Screen Aspect Ratio	21:9	36:10
Screen Resolution	3440 x 1440	3840 x 1080
Screen Pixel Pitch	0.232 mm	0.311 mm
Screen Pixel Density	109 ppi	81 ppi
Screen-to-Body Ratio	88.3 %	89.52 %
Backlight Source	W-LED	W-LED
DCI P3		90%
sRGB	99 %
Screen Brightness	350 cd/m²	400 cd/m²
Static Screen Contrast	3000 : 1	3000 : 1
Dynamic Screen Contrast	3000000 : 1	100000000 : 1
Screen Horizontal Viewing Angle	178 °	178 °
Screen Vertical Viewing Angle	178 °	178 °
Display Minimum Response Time	4 ms	4 ms
Display Average Response Time	6 ms
Display Coating	Anti-glare/Matte (3H)	Anti-glare/Matte (3H)
HDR		HDR10 DisplayHDR 400
3D	No	No
Size, weight, color
Case Depth	4.18 in 10.6 cm 106.1 mm 0.35 ft	6.77 in 17.2 cm 172 mm 0.56 ft
Case Weight	6.91 kg 15 lbs	9.3 kg 20 lbs
Case Width with Stand	31.83 in 80.9 cm 808.6 mm 2.65 ft	47.17 in 119.8 cm 1198 mm 3.93 ft
Case Height with Stand	18.2 in 46.2 cm 462.4 mm 1.52 ft	17.95 in 45.6 cm 456 mm 1.5 ft
Case Depth with Stand	9.65 in 24.5 cm 245 mm 0.8 ft	9.45 in 24 cm 240 mm 0.79 ft
Case Weight with Stand	9.91 kg 22 lbs	11.4 kg 25 lbs
Case Color	Black	Black
Hardware
Built-in Camera		No
Connectivity	1 x HDMI 2.0 1 x DisplayPort 1.2 1 x 3.5 mm Audio Out 4 x USB 3.1 (Type-A; Gen 1; downstream; BC 1.2 charging at 2A) 1 x USB 3.1 (Type-C; Gen1; upstream; DisplayPort; 75W)	1 x DisplayPort 1.2 1 x 3.5 mm Audio In 1 x 3.5 mm Audio Out 2 x HDMI 1.4 1 x HDMI 2.0
Audio
Audio Speakers		2 x 3W
Features
Cool Features	Smart Power Wireless charging dock for smartphones Flicker-free technology Low Blue Light	Flicker-free technology HDCP (High-bandwidth Digital Content Protection) Picture-in-Picture Picture-by-Picture AMD FreeSync 2 technology Blue Light Filter
Extra Features	Anti-theft stand lock slot - Kensington
Ergonomics
Case Width	31.83 in 80.9 cm 808.6 mm 2.65 ft	47.17 in 119.8 cm 1198 mm 3.93 ft
Case Height	14.67 in 37.3 cm 372.6 mm 1.22 ft	14.76 in 37.5 cm 375 mm 1.23 ft
Vesa Mount Support	Yes	Yes
VESA Interface Standard Size	100 x 100	75 x 75
Removable VESA Stand	Yes	Yes
Height Adjustment	Yes	No
Height Adjustment Range	135 mm 13.5 cm 5.315 in 0.4429 ft
Landscape or Portrait Pivot Support	No	No
Left or Right Swivel Support	Yes	No
Left Swivel	45 °
Right Swivel	45 °
Forward and Backward Tilt Support	Yes	Yes
Forward Tilt	5 °	5 °
Backward Tilt	35 °	15 °
Frequency and Interpolation
Vertical Digital Frequency	60 Hz	48 Hz - 144 Hz
Horizontal Digital Frequency		53 kHz - 160.56 kHz
Screen Interpolation Measurement Unit	NULL
Accessories
Extras	DisplayPort cable USB Type-C to USB Type-A cable USB Type-C to USB Type-C cable	DisplayPort cable
Certificates and Standards
Licenses	CCC China Energy Efficiency Standard Tier 2 ENERGY STAR 8.0 EPEAT Silver RoHS (EU 2002/95/EC) TCO 8.0 TCO Edge 2.0 TÜV Rheinland Eye Comfort Windows Certification	CCC CE ENERGY STAR ErP RoHS TCO Certified Displays
Usage and Storage Requirements
Safe Operating Temperature Level	0 °C - 45 °C 32 °F - 113 °F	0 °C - 40 °C 32 °F - 104 °F
Safe Operating Humidity Level	10 % - 80 %	20 % - 80 %
Internal Storage Temperature	-20 °C - 60 °C -4 °F - 140 °F
Internal Storage Humidity	5 % - 95 %
Max Operating Altitude	5000
Max Storage Altitude	12192

Lenovo ThinkVision T34w-20

Acer EI491CR