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(C32HG70) 1440p 144Hz Gaming Monitor

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by Lim, August 7, 2017 10:00 pm

Table of contentsIntroductionSpecificationsAlternativesYouTube VideoMeasurement data and test imagesComperative graphicsReview UpdatesPros & ConsComments (10)



Samsung CHG70 Review Introduction

Pretty much a big part of the gaming community will have been waiting for the Samsung CHG70. This is the first gaming monitor of a 144Hz high refresh rate LED LCD panel, a WQHD (2560×1440) resolution, quantum dot technology, Freesync 2, and High Dynamic Range (HDR). The best gaming monitor? At least a great hope, and finally I was able to review the Samsung CHG70 full of anticipation. HDR sounds quite tempting, but I was never convinced that HDR will work properly on a display with a brightness of 500 cd / m2 and a contrast ratio of around 2500:1. But maybe this looks different in monitors? No matter what, with 144 Hz you have a flawlessly smooth gaming experience. Most of the people probably will miss a G-Sync feature on this pc monitor but for those who prefer a backlight strobing feature (equal to ULMB) let me tell you something: On the Samsung CHG70, this works pretty well. The curve of the Samsung works great to avoid color shift limitations on a VA panel. Otherwise, it also generates a bit more issues within the overall homogeneity.


The first HDR gaming monitor was born: Samsung CHG70

You shouldn’t expect too much from the Samsung CHG70s HDR feature simply because of two reasons. First, we cannot compare a VA TV with a VA monitor, simply because you have harsher viewing angles on a pc monitor compared to a tv display. The result out from this is, that the perception of the contrast will decrease the harsher the viewing angles and combined with this the VA glow because blacks, in this case, brighten up and measurements do not include the VA glow in viewing angles. Second, for a really good HDR image on your screen, not only the contrast and brightness is important. As soon as your monitor receives an HDR signal, your blacks usually also brighten up and this only can be compensated with a well-working build in local dimming technology (a direct LED solution would work best for a VA panel type gaming monitor). The Samsung CHG70 unfortunately only does support 8 local dimming zones, which are by far not enough for a gaming monitor with more VA glow than on a TV. I own a Sony XE9305 where HDR works by FAR better (but still not perfect with blooming effects) than on the Samsung CHG70 and when I disable its local dimming feature (64 dimming zones) the HDR image quality instantly drops to around 10 times worse.


Check the Price for the Samsung C32HG70 or the C27HG70 here: Buy 27″ or 31.5″ on Amazon


In-depth details and measurements like the OSD, black equalizer etc, you will find in the video and in the article. Is the Samsung CHG70 really worth it? It depends on your personal needs and the games you play — Let’s find out and take a closer look. #


Important Updates:

The Samsung CHG70 gaming monitor now supports a Freesync range of (48-144 Hz). All other updates and new information can be found on the forum (click here).




Panel Type SVA
Backlight EDGE LED / W-LED
Display size and format 31.5″ and 27″ Inch
Maximum Resolution 2560×1440 (Full HD)
Pixel density 93,25 (Pixels per inch)
Refresh rate 144 Hz native
Native color depth and color space 8-bit + FRC, 125% sRGB
Response time (MPRT) 1 ms
Brightness 500cd/m2
Integrated speakers No
Video inputs 2x HDMI 2. 0, 1x DP 1.4
Audio 3.5mm headphone (In and out)
USB Hub Yes 2x
power consumption not specified
Frame width 12 mm
Warranty 3 years
Ergonomics Tilt, Height, Pivot, Swivel
Adaptive-Sync Freesync 2
Free-Sync Range 48-144 Hz (80-140 with CRU)
Contrast (Native) 3000:1
Vesa Yes 100mm adapter
Curved 1800R



Difference between the CHG70 in 27 Inch (C27HG70) and 32 Inch (31.5) (C32HG70) Version

The first difference is of course that the C27HG70 compared to the C32HG70 has a higher PPI (pixels per inch) and combined with this a sharper overall image while the C32HG70 has nearly the same sharpness as a 24″ monitor with a Full HD (1080p) resolution. But there are two minor differences between both models.


First difference

The C27HG70 (CHG70 in 27″) Inch version doesn’t suffer from flickering issues while the C32HG70 (CHG70 in 31.5″) has built-in PWM. This means, that on lower brightness settings the CHG70 in 32″ Inch has flickering issues (as you can see in the video review)


Second difference

The C27HG70 has a much higher lottery in terms of DSE (Dirty Screen Effect) issues and «banding». This means (depending on your individual unit — while you can also get one without or only with a tiny bit banding/DSE issues) that you will observe banding strips on a uniform and mostly darker backgrounds (grey, dark blue, dark green etc.). The bigger problem, however, is, that you will be able to notice something like «shadow strips» or rather called «dirty screen» in moving content. Depending on how much DSE issues your unit has, you can even notice these banding strips on mostly all kind of image content/games when moving in a game or even when watching a movie. However, it’s mostly visible in uniform colors or image content without many structures like skies for example. There are several videos according to the DSE, banding, and homogeneity issues on YouTube.


How does it look like? While I don’t have tested the 27″ Inch version of the Samsung CHG70 you can find photos on the CFG70 in 27″ (Full HD 144Hz version) Inch of my review, which also has a bigger lottery in terms of DSE and homogeneity. You should consider that the amount can vary and from what I saw currently in the C27HG70 it has even more issues than the CFG70 in 27″.


Photos: Samsung CFG70″ Banding Strips, DSE, Homogeneity Issues

(You also can find all photos in the Samsung CFG70 Review)

You should note that this is most visible in moving content and especially in content with low contrast filters like Vikings (where blacks are highlighted to reach a higher dynamic range)

Homogeneity 1

Homogeneity 2

Homogeneity 3

Homogeneity Series Vikings

Homogeneity Series Vikings



Samsung CHG70 Alternatives

Alternative 144Hz WQHD (2560×1440) VA monitor to the Samsung CHG70:
(All other alternatives are listed in the Gaming-Monitor-List.  Future releases can be found here)


Find the Samsung C32HG70 or the C27HG70 here: Buy 27″ or 31.5″ on Amazon



AOC Agon AG322QCX Review / Buy on Amazon

Philips 328m6fjmb (31.5″) Not released yet

Asus ROG Strix XG32VQ (31.5″) No Review yet / Buy


With G-Sync:

LG 32GK850G (32″) Review / Buy 



YouTube Video Unboxing




HDR vs SDR: YouTube CFG70 HDR video update