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What is the Display Diagonal of the Samsung UN55NU7100F?

Samsung UN55NU7100F

Samsung
UN55NU7100F

£579.00
Argos

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The Samsung UN55NU7100F is a 54.6 inch TV.

‘Display Diagonal’ is the measure of the size of the TV screen from top-left to bottom-right corner, excluding any frame or border.

One of the most important considerations when choosing the right screen size for your TV is the typical distance from which you will be viewing the screen. TVs with a bigger display diagonal allow you to make the most of HD content and are great for watching movies. A good rule of thumb is to multiply the display diagonal by 2.5 to determine the viewing distance. So a 40 inch TV is best viewed from 100 inches away, which is equivalent to 8.3 feet or 2.54m. For home cinema setups and a truly immersive experience this ratio can be reduced to 1.2. This will give a screen size that fills 40 degrees of the viewer's field of vision. So if you are viewing from a distance of 6ft (72 inches) you would need a TV display diagonal of 60 inches.

Read our full review of the Samsung UN55NU7100F

Other 54.6 Inch TVs That Are Worth Considering

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Sony KD‑55X9005

A fully featured and classic 4K 55" television, with moderate running costs. It is 3D and supports Wi-Fi. Reviews indicate that this television has an outstanding 4k picture, superb picture quality and it's good at displaying high definition TV.
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2015
55"
Display Diagonal
99mm
Thickness
£190
Over 5 years
VESA
Mounting
Ethernet
Port
Desktop
Stand
Included
Local
Dimming
Game
Mode
Parental
Controls
Noise
Reductio-
n
Mobile
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Features
96
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13 Reviews
55
Value for Money
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84
Features
Fully-Featured
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Age
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65
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£190 / 5 Years
61
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Kagoo Score
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NEC MultiSync E554

A good spec but 6 year old Full HD 55" television, with moderate running costs.
Jun
2013
55"
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63.5mm
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Over 5 years
VESA
Mounting
Desktop
Stand
Included
Parental
Controls
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Features
58
Value for Money
Average
78
Features
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66
Age
6 Years Old
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£220 / 5 Years
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Techwood 50AO7USB

Purchasers report that this TV has excellent picture quality and sound quality, and it's really easy to setup. It's an impressive value for money and excellently reviewed Full HD 50" TV, good for watching films.
Oct
2016
50"
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90mm
Thickness
£71
Over 5 years
Miracast
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ne As a
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Features
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38 Reviews
98
Value for Money
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68
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2 Years Old
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83
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LG 55UK7550

A fairly new and positively reviewed 4K 55" television, with moderate running costs and a great spec. Multiple reviews mentioned that this television has good picture quality.
Mar
2018
55"
Display Diagonal
63mm
Thickness
£150
Over 5 years
VESA
Mounting
Miracast
Ethernet
Port
Desktop
Stand
Included
Local
Dimming
USB
Recordin-
g
High
Dynamic
Range
Timeshif-
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Auto
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Leveler
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Value for Money
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11 Months Old
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£150 / 5 Years
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83
Kagoo Score
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LG 55SK8100

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A top-value and fairly new 4K 55" television, with an Editor's Choice award from one expert review website and an additional award from another expert site. Owners report that this television has good sound quality, picture quality and it's very easy to use.
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2018
55"
Display Diagonal
63.3mm
Thickness
£120
Over 5 years
VESA
Mounting
Miracast
Ethernet
Port
Desktop
Stand
Included
Local
Dimming
High
Dynamic
Range
Timeshif-
t
Noise
Reductio-
n
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Features
87
Reviews
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90
Value for Money
Excellent
80
Features
Fully-Featured
88
Age
10 Months Old
72
Running Costs
£120 / 5 Years
79
Popularity
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84
Kagoo Score
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LG 55SK9500

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May
2018
55"
Display Diagonal
63mm
Thickness
£150
Over 5 years
VESA
Mounting
4K Ultra
HD
Upscalin-
Noise
Reductio-
n
Picture-
in-
Picture
Auto
Volume
Leveler
Timeshif-
t
Parental
Controls
Use
Smartpho-
ne As a
High
Dynamic
Range
Game
Mode
Voice
Control
USB
Recordin-
g
Local
Dimming
Desktop
Stand
Included
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Port
Miracast
Mobile
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Definiti-
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62
Value for Money
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83
Features
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89
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10 Months Old
67
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Official Hughes Outlet on eBay (Ex-Display) £1,239.90
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Display Diagonal
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Thickness
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Over 5 years
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Features
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83
Features
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80
Age
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86
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Sony KD55XF8596

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Feb
2018
55"
Display Diagonal
52mm
Thickness
£140
Over 5 years
VESA
Mounting
Miracast
Ethernet
Port
Desktop
Stand
Included
Local
Dimming
USB
Recordin-
g
Voice
Control
High
Dynamic
Range
More
Features
58
Value for Money
Average
84
Features
Fully-Featured
87
Age
1 Year Old
71
Running Costs
£140 / 5 Years
77
Kagoo Score
Very Good
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eBay £876.03
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#4 Samsung UE50NU7400

The highest scoring 50 inch TV on the market, with average running costs and the latest technology. A number of reviews mentioned that it has superb picture quality and sound quality, and it's very well designed.
Nov
2018
50"
Display Diagonal
59.7mm
Thickness
£130
Over 5 years
Multiroo-
m
ConnectS-
hare
(USB)
ConnectS-
hare
(HDD)
VESA
Mounting
High
Dynamic
Range
Timeshif-
t
Game
Mode
Voice
Control
Digital
Clean
View
Desktop
Stand
Included
Ethernet
Port
Picture-
in-
Picture
More
Features
95
Reviews
43 Reviews
93
Value for Money
Excellent
75
Features
Good Features
92
Age
3 Months Old
65
Running Costs
£130 / 5 Years
93
Popularity
Amazon Bestseller
87
Kagoo Score
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£423.00
RLR Distribution £423.00
Amazon UK £439.00
BT Shop £459.00
Co-op Electrical £459.00
PC World Business £459.00
Compare
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£200 Voucher
£100.00
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#9 Samsung UE55NU7100

A very popular and recently released 4K 55" TV, with average running costs and a very good price. Several reviews mentioned that this TV has superb picture quality and sound quality, and it's very well designed.
Nov
2018
55"
Display Diagonal
59.2mm
Thickness
£140
Over 5 years
Multiroo-
m
ConnectS-
hare
(USB)
ConnectS-
hare
(HDD)
VESA
Mounting
Voice
Control
Use
Smartpho-
ne As a
Game
Mode
High
Dynamic
Range
Desktop
Stand
Included
Local
Dimming
Digital
Clean
View
Ethernet
Port
Miracast
Noise
Reductio-
n
More
Features
91
Reviews
58 Reviews
92
Value for Money
Excellent
78
Features
Good Features
93
Age
3 Months Old
62
Running Costs
£140 / 5 Years
92
Popularity
Amazon Bestseller
87
Kagoo Score
Excellent
£100.00
Save £61
eBay (Ex-Display) £100.00
Amazon UK £418.00
Appliances Direct £443.52
Power Direct £449.00
RLR Distribution £463.00
Compare
View Details
£200 Voucher
£400.00
Save £79
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#7 Samsung UE55NU7400

The best scoring television under £1,000, with average running costs and a good spec. A number of reviews mentioned that this television has excellent picture quality and sound quality, and it's very well designed.
Feb
2018
55"
Display Diagonal
59.3mm
Thickness
£140
Over 5 years
Multiroo-
m
ConnectS-
hare
(USB)
ConnectS-
hare
(HDD)
VESA
Mounting
Voice
Control
Timeshif-
t
Game
Mode
High
Dynamic
Range
Desktop
Stand
Included
Local
Dimming
Digital
Clean
View
Ethernet
Port
Picture-
in-
Picture
More
Features
94
Reviews
37 Reviews
96
Value for Money
Excellent
78
Features
Good Features
85
Age
12 Months Old
61
Running Costs
£140 / 5 Years
92
Popularity
Amazon Bestseller
87
Kagoo Score
Excellent
£400.00
Save £79
eBay (Ex-Display) £400.00
Amazon UK £530.00
RLR Distribution £559.00
Electrical Discount £568.00
Crampton and Moore £569.00
Compare
View Details
£200 Voucher
£569.00
loading image

#18 Samsung UE55NU7500

Owners report that this TV has superb picture quality and sound quality, and it's very well designed. It's a best selling and stunningly highly rated 4K 55" TV, with ok running costs and the latest technology.
Nov
2018
55"
Display Diagonal
103.2mm
Thickness
£130
Over 5 years
Multiroo-
m
ConnectS-
hare
(USB)
ConnectS-
hare
(HDD)
VESA
Mounting
Ethernet
Port
Desktop
Stand
Included
Digital
Clean
View
Local
Dimming
High
Dynamic
Range
Game
Mode
Timeshif-
t
More
Features
95
Reviews
16 Reviews
87
Value for Money
Excellent
76
Features
Good Features
93
Age
3 Months Old
65
Running Costs
£130 / 5 Years
89
Popularity
Amazon Bestseller
86
Kagoo Score
Excellent
£569.00
Official Crampton and Moore Outlet on eBay (Ex-Display) £569.00
Power Direct £609.97
Amazon UK £629.00
PRC Direct £639.00
PC World Business £648.99
Compare
View Details
2 Vouchers
£689.99
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Samsung UE55NU8000

A very highly rated and new 4K 55" television, with ok running costs and a good price. It supports Wi-Fi and has a thickness of 54.9mm. Reviews indicate that this television has outstanding picture quality and sound quality, and it's really well designed.
Nov
2018
55"
Display Diagonal
54.9mm
Thickness
£130
Over 5 years
Multiroo-
m
ConnectS-
hare
(USB)
ConnectS-
hare
(HDD)
VESA
Mounting
Game
Mode
Picture-
in-
Picture
Auto
Volume
Leveler
Timeshif-
t
Use
Smartpho-
ne As a
Digital
Clean
View
High
Dynamic
Range
Voice
Control
Local
Dimming
Desktop
Stand
Included
Ethernet
Port
Mobile
High-
Definiti-
More
Features
91
Reviews
18 Reviews
82
Value for Money
Excellent
81
Features
Fully-Featured
93
Age
3 Months Old
67
Running Costs
£130 / 5 Years
79
Popularity
Widely Available
85
Kagoo Score
Excellent
£689.99
Official XS Items Outlet on eBay (Ex-Display) £689.99
Amazon UK £729.00
AO £749.00
0% finance for 6 months
Boots Kitchen Appliances £749.00
John Lewis £779.00
Compare
View Details
£200 Voucher
£379.90
loading image

LG 50UK6500

A low cost and fairly new 4K 50" TV, with a good spec and low running costs. Customers report that it has very good picture quality and sound quality, and it's very well designed.
Mar
2018
50"
Display Diagonal
86mm
Thickness
£120
Over 5 years
VESA
Mounting
Miracast
Ethernet
Port
Desktop
Stand
Included
High
Dynamic
Range
Parental
Controls
Timeshif-
t
Noise
Reductio-
n
4K Ultra
HD
Upscalin-
More
Features
84
Reviews
5 Reviews
95
Value for Money
Excellent
77
Features
Good Features
88
Age
11 Months Old
72
Running Costs
£120 / 5 Years
81
Popularity
Widely Available
84
Kagoo Score
Excellent
£379.90
Official Hughes Outlet on eBay (Ex-Display) £379.90
PC World Business £439.96
Appliances Direct £439.97
RLR Distribution £448.00
Debenhams Plus £449.00
Compare
View Details
£593.99
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Panasonic TX‑50DX700B

A fully featured but slightly out of date 4K 50" TV, with average running costs.
Oct
2016
50"
Display Diagonal
40mm
Thickness
£150
Over 5 years
More
Features
63
Value for Money
Good
81
Features
Fully-Featured
79
Age
2 Years Old
69
Running Costs
£150 / 5 Years
62
Popularity
A Less Popular Choice
77
Kagoo Score
Very Good
£593.99
Official Argos Outlet on eBay £593.99
Compare
View Details
£595.00
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Panasonic TX‑58EX700B

A fully featured but 2 year old 4K 58" television, with average running costs. It is 3D, supports Wi-Fi and has a thickness of 41mm.
Oct
2016
58"
Display Diagonal
41mm
Thickness
£180
Over 5 years
Ethernet
Port
More
Features
62
Value for Money
Good
88
Features
Fully-Featured
79
Age
2 Years Old
65
Running Costs
£180 / 5 Years
77
Kagoo Score
Very Good
£595.00
TPS £595.00
Compare
View Details
£360.00
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Philips 50PUS6753

Customers report that this TV has superb picture quality, good features and outstanding sound quality. It's a top-value and phenomenally highly rated 4K 50" TV, with low running costs and a good spec.
May
2018
50"
Display Diagonal
68.2mm
Thickness
£110
Over 5 years
Multiroo-
m
VESA
Mounting
Miracast
Ethernet
Port
Desktop
Stand
Included
USB
Recordin-
g
Auto
Volume
Leveler
More
Features
95
Reviews
111 Reviews
95
Value for Money
Excellent
76
Features
Good Features
88
Age
9 Months Old
75
Running Costs
£110 / 5 Years
80
Popularity
Lots of Positive Reviews
86
Kagoo Score
Excellent
£360.00
eBay (Ex-Display) £360.00
Amazon UK £399.00
Compare
View Details
£800.00
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Sony KD55XE7093BU

A fully featured but 2 year old 4K 55" TV.
Oct
2016
55"
Display Diagonal
58mm
Thickness
More
Features
80
Features
Fully-Featured
80
Age
2 Years Old
75
Kagoo Score
Very Good
£800.00
Amazon UK £800.00
Compare
View Details
£40 Voucher
£1,169.00
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Samsung QE55Q7F

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A multi award winning and huge OLED / QLED technology 4K 55" TV, with moderate running costs and spec. It has a light sensor and a thickness of 46.9mm and supports Wi-Fi. Customers report that it has excellent picture quality and sound quality, and it's very well designed.
Apr
2018
55"
Display Diagonal
46.9mm
Thickness
£190
Over 5 years
Multiroo-
m
ConnectS-
hare
(USB)
ConnectS-
hare
(HDD)
VESA
Mounting
Voice
Control
Timeshif-
t
Use
Smartpho-
ne As a
Game
Mode
High
Dynamic
Range
Desktop
Stand
Included
USB
Recordin-
g
Local
Dimming
Digital
Clean
View
Ethernet
Port
Picture-
in-
Picture
More
Features
92
Reviews
3 Awards
64
Value for Money
Good
90
Features
Fully-Featured
86
Age
10 Months Old
59
Running Costs
£190 / 5 Years
82
Popularity
Lots of Positive Reviews
83
Kagoo Score
Excellent
£1,169.00
Appliance Electronics £1,169.00
Hughes £1,199.00
Voucher - £40 OFF - £40 OFF Products over £800 Enter code TAKE40 at checkout.
Amazon UK £1,199.00
John Lewis £1,199.00
Compare
View Details

Other Frequently Asked Questions About the Samsung UN55NU7100F

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