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Guru3D.com » Review » Radeon HD 7790 review 4

Radeon HD 7790 review 4

Posted by: Hilbert Hagedoorn on: 03/22/2013 06:00 AM [ 13 comment(s) ]

We test and review the Radeon HD 7790 incl Frametimes. The new graphics card is intended to boost a little more performance into entry-level gaming. Admittedly, AMD has done a very nice job with this card and for not a lot of money you can certainly play most of today's games really well at fairly high resolutions. Have peek at our review.

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Tagged as: Sapphire Dual-X OC Radeon HD 7790 review

« Cooler Master CM Storm Scout 2 Advanced review · Radeon HD 7790 review · GeForce GTX 650 Ti Boost review »

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buddybd
Senior Member



Posts: 827
Posted on: 03/22/2013 08:41 AM
Glad to see you guys started a section for frametimes but can't really agree that it's not noticeable.

Average users probably won't notice it unless they see the difference themselves, but here in G3D, how many are average users? :D

Looking forward to your detailed review on the times.

k1net1cs
Senior Member



Posts: 3783
Posted on: 03/22/2013 08:58 AM
Glad to see you guys started a section for frametimes but can't really agree that it's not noticeable.

This, especially in Hitman: Absolution.
Most people would probably notice the microstutter only when they're playing it, not from just watching its benchmark.

Hilbert Hagedoorn
Don Vito Corleone



Posts: 45505
Posted on: 03/22/2013 09:01 AM
Average users probably won't notice it unless they see the difference themselves, but here in G3D, how many are average users? :D


Guru3D forums users are a tough crowd to please :nerd:, realistically you guys are only 20% of the site demographics but you really are very much geared to the enthusiast side of things and measurements. What I am trying to say is that your average consumer would never notice it or be interested in it, for a lot of people readers its just too much confusing info in a review. Realistically, people like simple numbers they can understand and relate to (I mean 3DMark is successful for that one single number, not for it's 'cutting edge' graphics).

Obviously you guys do have a thirst for this .. and that's why I decided to start with Frametime (or what I like to call frame experience) measurements.

Over time we'll add more and more results and comparisons. This needs to build a little. The aim is to do this with roughly half of the games/benchmarks used per review.

Hilbert Hagedoorn
Don Vito Corleone



Posts: 45505
Posted on: 03/22/2013 09:03 AM
This, especially in Hitman: Absolution.
Most people would probably notice the microstutter only when they're playing it, not from just watching its benchmark.

Actually you can see it far better in the timedemo benchmark then in the game itself.

Lane
Senior Member



Posts: 6361
Posted on: 03/22/2013 10:30 AM
Glad to see you guys started a section for frametimes but can't really agree that it's not noticeable.

Average users probably won't notice it unless they see the difference themselves, but here in G3D, how many are average users? :D

Looking forward to your detailed review on the times.

There's a test who have been conducted between processors with and without HT . in 99% of the case, frametimes was good without HT, when problematic on some games with HT enabled. It look like there's a big link between HT and frametimes.
On the same way, Nvidia delay all frames by 1 frame, trying to smooth it, it work on some case, but problematic on other..

Core parking increase the problem too specially with CPU with hyperthreading

First it is linked to some games, then it is extremely more linked to the hardware we was think at first. you will strangely get less frametimes problem with a quadcore without HT, you will have with a I7 3960x on some title.

There's many factor to take in account and sadly the frametimes review actually dont push the test enough deep..




Funny result no ?


here an Hitman absolution run. the map used is Chinatown ( in game, not the benchmark ) and i follow the way used by HardOCP on his frametimes test ..

Driver was 13.2 beta at this time, and CFX is enabled ( AFR ).

At first you can think, wow what a constant variation, but in reality the frametimes is so low, the variation look big ( because the graph is adjusted automatically ), but it is only a 3ms variation in reality.


If instead of been around 7ms average frametime, it was run at 30ms, the graph will just display a line.

Anyway, its not the thread for start a discussion about frametimes.. Im glad gpu brands start to watch it, but yes in many case the results are not so easy to analyze

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