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SAM / ReBAR tested - [HUB] Radeon Resizable Bar Benchmark, AMD & Intel Platform Performance

wolf

wolf

Better Than Native
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Folks over at hardware unboxed did some SAM/ReBAR testing with an RX6600 and RX6800XT, on 3950x, 5950x, 10900k and 12900k.

Naturally if your hardware and support game 'stars' are aligned, the gains can be impressive, but it looks like a pretty big dose of YMMV on whether you get the uplifts or not.

Radeon Resizable Bar Benchmark, AMD & Intel Platform Performance - YouTube
 
Sucks that 1080 Ti doesn't support it but doesn't RX 500 series support it?
 
AC Valhalla - Ryzen 9 5950X
Screenshot (17).png Screenshot (18).png
AC Valhalla - Ryzen 9 3950X
Screenshot (19).png Screenshot (20).png

AC Valhalla - i9 12900K
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AC Valhalla - i9 10900K
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Far Cry 6 - Ryzen 9 5950X
Screenshot (26).png Screenshot (28).png
Far Cry 6 - Ryzen 9 3950X
Screenshot (29).png Screenshot (30).png

Far Cry 6 - i9 12900K
Screenshot (31).png Screenshot (32).png
Far Cry 6 - i9 10900K
Screenshot (33).png Screenshot (34).png

Rainbow 6 Extraction - Ryzen 9 5950X
Screenshot (35).png Screenshot (36).png
Rainbow 6 Extraction - Ryzen 9 3950X
Screenshot (37).png Screenshot (38).png

Rainbow 6 Extraction - i9 12900K
Screenshot (39).png Screenshot (40).png
Rainbow 6 Extraction - i9 10900K
Screenshot (41).png Screenshot (42).png

Forza Horizon 5 - Ryzen 9 5950X
Screenshot (43).png Screenshot (44).png
Forza Horizon 5 - Ryzen 9 3950X
Screenshot (45).png Screenshot (46).png

Forza Horizon 5 - i9 12900K
Screenshot (47).png Screenshot (48).png
Forza Horizon 5 - i9 10900K
Screenshot (49).png Screenshot (50).png

F1 2021 - Ryzen 9 5950X
Screenshot (53).png Screenshot (54).png
F1 2021 - Ryzen 9 3950X
Screenshot (55).png Screenshot (56).png

F1 2021 - i9 12900K
Screenshot (57).png Screenshot (61).png
F1 2021 - i9 10900K
Screenshot (59).png Screenshot (60).png

Ryzen 9 5950X
Screenshot (62).png Screenshot (63).png
Ryzen 9 3950X
Screenshot (64).png
i9 12900K
Screenshot (65).png Screenshot (66).png
i9 10900K
Screenshot (67).png Screenshot (68).png
 
Last edited:
Khonjel said:
AC Valhalla - Ryzen 9 5950X
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AC Valhalla - Ryzen 9 3950X
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AC Valhalla - i9 12900K
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AC Valhalla - i9 10900K
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Far Cry 6 - Ryzen 9 5950X
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Far Cry 6 - Ryzen 9 3950X
View attachment 240022 View attachment 240023

Far Cry 6 - i9 12900K
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Far Cry 6 - i9 10900K
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Rainbow 6 Extraction - Ryzen 9 5950X
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Rainbow 6 Extraction - Ryzen 9 3950X
View attachment 240030 View attachment 240031

Rainbow 6 Extraction - i9 12900K
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Rainbow 6 Extraction - i9 10900K
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Forza Horizon 5 - Ryzen 9 5950X
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Forza Horizon 5 - Ryzen 9 3950X
View attachment 240043 View attachment 240044

Forza Horizon 5 - i9 12900K
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Forza Horizon 5 - i9 10900K
View attachment 240047 View attachment 240048

F1 2021 - Ryzen 9 5950X
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F1 2021 - Ryzen 9 3950X
View attachment 240051 View attachment 240053

F1 2021 - i9 12900K
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F1 2021 - i9 10900K
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Ryzen 9 5950X
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Ryzen 9 3950X
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i9 12900K
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i9 10900K
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Click to expand...
Surprisingly little difference and sometimes it's better without BAR/SAM.
 
MaenadFIN said:
Surprisingly little difference and sometimes it's better without BAR/SAM.
Click to expand...
It's all over the place. I agree with the video thumbnail. It's a mess. Even in games that have good support it. Look at Forza Horizon 5 data. 6800 XT paired with 3950X and 10900K does 0 anything. But pairing with RX 6600 does. OTOH 12900K and 5950X don't have this issue and uplifts for both 6800 XT and 6600.
 
Khonjel said:
It's all over the place. I agree with the video thumbnail. It's a mess
Click to expand...
Certainly seems that way. I suppose based off their testing it's worth having on, as there is little in the way of negative impacts, but positives also seem few and far between.

Especially since they tested limited combo's in relation to the insanely vast array of possible ReBAR supported hardware combinations... A mess indeed.
 
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