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Gaming Performance Comparison
In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 7770 MSI PMD1 Edition are marginally better than the AMD Radeon R7 250 v2 MSI OC 2GB + Radeon R7 7870K Dual.
The R7 250 has a 50 MHz higher core clock speed and 16 more Texture Mapping Units than the HD 7770. This results in the R7 250 providing 18.8 GTexel/s better texturing performance. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.
The R7 250 has a 50 MHz higher core clock speed than the HD 7770 and the same number of Render Output Units. This results in the R7 250 providing 0.8 GPixel/s better pixeling performance. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.
The R7 250 was released over three years more recently than the HD 7770, and so the R7 250 is likely to have far better driver support, meaning it will be much more optimized and ultimately superior to the HD 7770 when running the latest games.
The R7 250 has 2048 MB more video memory than the HD 7770, so is likely to be much better at displaying game textures at higher resolutions. However, overall, the HD 7770 has superior memory performance.
The HD 7770 has 14.4 GB/sec greater memory bandwidth than the R7 250, which means that the memory performance of the HD 7770 is slightly better than the R7 250.
The Radeon HD 7770 MSI PMD1 Edition has 640 Shader Processing Units and the Radeon R7 250 v2 MSI OC 2GB + Radeon R7 7870K Dual has 896. However, the actual shader performance of the HD 7770 is 544 and the actual shader performance of the R7 250 is 838. The R7 250 having 294 better shader performance is not particularly notable, as altogether the HD 7770 performs better when taking into account other relevant data.
The Radeon HD 7770 MSI PMD1 Edition requires 150 Watts to run and the Radeon R7 250 v2 MSI OC 2GB + Radeon R7 7870K Dual requires 150 Watts. We would recommend a PSU with at least 500 Watts for the HD 7770 and a PSU with at least 400 Watts for the R7 250. The two GPUs require the same amount of wattage to run. As such, there is no need to worry about which will more significantly affect your yearly electricity bills.
|Mini Review||Radeon HD 7770 MSI PMD1 Edition is a special edition of the fast-middle-class Radeon HD 7770 that features a cooling system with Propeller Blade technology which offers 20% more airflow than traditional fan design, according to MSI and has no changes that affects its performance directly. |
Therefore, its performance is on level with the reference card.
|Radeon R7 250 v2 MSI OC 2GB + Radeon R7 7870K Dual is a Solution of one Dedicated Radeon R7 250 v2 MSI OC 2GB Edition and one Integrated Radeon R7 7870K Dual put together using AMD's Asymmetric Crossfire Technology. |
Architecture & Other Relevant Data
For more information about the Architecture and Other Relevant Data, please refer to the Pages of [Radeon R7 250 v2 MSI OC 2GB Edition](http://www.game-debate.com/hardware/index.php?gid=2420&graphics=Radeon%20R7%20250%20v2%20MSI%20OC%202GB%20Edition) and [Radeon R7 7870K](http://www.game-debate.com/hardware/index.php?gid=3000&graphics=Radeon%20R7%207870K).
Just like Crossfire, Asymmetric Crossfire can lead to Micro Stuttering.
Furthermore, Performance relies heavily on Driver Support, whereas it can lead to an enormous Performance Boost over each Graphics Card Operating Alone or to a Performance Decrease in which it is best to disable the Asymmetric Crossfire.
Overall, Expect Performance Similar to Radeon R7 250X.
Radeon R7 250 v2 MSI OC 2GB + Radeon R7 7870K Dual is best suited for resolutions up to and including 1600x900. We Recommend 8GB of RAM for Optimal Performance.