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PostPosted: 11 Jan 2018, 17:26 
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ATI divides its products into segments based on price, power requirements and performance. The complete breakdown is as follows:

  • Ultra Enthusiast: 5970, Eyefinity 6 and CrossFireX
  • Enthusiast: 5870, 5850, 5830
  • Performance: 5770, 5750
  • Mainstream: 5670, 5550, 5450



To date we have benchmarked and reviewed the products in the Ultra Enthusiast and Enthusiast segments. This review will cover the Performance segment. In my review of the Enthusiast segment, I found that both the 5850 and the 5830 were more than adequate for widescreen users and provided a solid Eyefinity experience (assuming you went in with appropriate expectations).

As we take a step down further into the Performance segment, we will determine if the 5700 series is truly a "performer" for widescreen and Eyefinity users. As before, we will bookend the benchmark data with the low end of the Enthusiast market, and the high end of the Mainstream market.



Architecture & Specs



The main differentiator within the Ultra Enthusiast segment is clock speed (per GPU). The 5870, Eyefinity6 and 5970 all carry the same number of shaders (per GPU). The Enthusiast segment has variances in clock speed, but also begins reducing the number of Unified Shaders on the GPU.

Below is a spec block with comparing outlining the 5830 through the 5670:






Card GPUs Transistors Max Memory Shaders Clock (MHz) TDP (Watts) MSRP*
Core Mem Idle Max
ATI Radeon HD 5830 1 2.15B 1GB 1120 800 1000 25 175 $249
ATI Radeon HD 5770 1 1.04B 1GB 800 850 1200 18 108 $174
ATI Radeon HD 5750 1 1.04B 1GB 720 700 1150 16 86 $134
ATI Radeon HD 5670 1 627M 1GB 400 775 1000 14 61 $109
As these cards have been on the market some time, price is based on current average





Based on the stat block you can see the variation within the 5700 family. The number of shaders steadily decrease, however there is a "saw tooth" stepping of the memory and clock speeds. The 5770 carries higher clocks than the 5830. On the other hand, the core clock speed of the 5750 is lower than both of the 5830 and the 5770, and the memory clock falls between the two.



Notes


The ATI Radeon HD 5670 I tested was only equipped with 512MB of RAM. ATI sent this card out to reviewers so that they could show performance on a sub-$100 card. All other cards in this review contained 1GB of RAM.


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