News AMD Radeon 880M iGPU 15% faster than last-gen 780M — Asus reveals Strix Point performance increase in 3DMark Time Spy

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I was very excited when AMD was the first to support > 60fps 1080p gaming on integrated graphics. For almost 7 years (2013-2020) Intel failed to make progress on this problem. I was an early adopter of the Ryzen 5700g APU in 2021 and I plan to be an early adopter of the strix point HX 370 APU! But the Ryzen HX 365 APU also looks like a very interesting and useful bit of kit, too!
 
As I have read and listened from the rumour mill, RDNA3.5 is fixing some of the issues with RDNA3, so while the obvious name being obvious implies "improvements" over RDNA3, it's more like "fixes". If you like, it could be called "RDNA3 Rev B".

Minor stupidity/pedantry/speculation aside, any improvements are welcome as long as the price doesn't go sky high.

I want the beefy APU instead. Was it called Strix Halo? Well, I want that.

Regards.
 
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systemBuilder_49 said:
I was very excited when AMD was the first to support > 60fps 1080p gaming on integrated graphics. For almost 7 years (2013-2020) Intel failed to make progress on this problem. I was an early adopter of the Ryzen 5700g APU in 2021 and I plan to be an early adopter of the strix point HX 370 APU! But the Ryzen HX 365 APU also looks like a very interesting and useful bit of kit, too!
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I too am a lover of AMD APUs. However, with the current bandwidth limitations, I can’t see that there would be huge benefit with the 16CU model over the 12CU. Even the 780m was already so bandwidth limited that 15% more bandwidth gave it a full 10% more performance.
 
usertests said:
We all want it but prepare to be disappointed at the pricing.

It's where AMD needs to go if they are serious about APUs replacing low-end dGPUs. AM6 would be much better for APUs with a 256-bit bus.
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The bus is inside the CPU with the IMC. For mobo makers it would simply be doubling the number of memory channels.
 
I ended up purchasing a Ryzen Zen5 AI HX 365 laptop with 880m GPU (Asus Zenbook S16). It seems that the 890m is struggling to mine the diminishing APU returns. While the 880m (over 780m) sees 10-15% gains, the 890m sees only another 8-10% in gains - far less! Overall gains (780m->890m) are only 20-25%, maximum. What a disappointment!

AMD Math : 3%(clock speed increase) + 33%(CU increase) = 20%.

To eek the most out of the 890m, you have to build a 50w-60w+ laptop with beefy fans but the fan power consumption ruins the high efficiency of the CPU at 10w-17w operating points.

We'll have to wait for Strix Halo (rumored to have 4-way interleaved memory and 2x the memorybus at 256 bits) to see more gains in APU performance!

Asus S16 365 880m
TimeSpy Score: 3460
Graphics: 3116 CPU: 9275
 
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systemBuilder_49 said:
I ended up purchasing a Ryzen Zen5 AI HX 365 laptop with 880m GPU (Asus Zenbook S16). It seems that the 890m is struggling to mine the diminishing APU returns. While the 880m (over 780m) sees 10-15% gains, the 890m sees only another 8-10% in gains - far less! Overall gains (780m->890m) are only 20-25%, maximum. What a disappointment!

AMD Math : 3%(clock speed increase) + 33%(CU increase) = 20%.

To eek the most out of the 890m, you have to build a 50w-60w+ laptop with beefy fans but the fan power consumption ruins the high efficiency of the CPU at 10w-17w operating points.

We'll have to wait for Strix Halo (rumored to have 4-way interleaved memory and 2x the memorybus at 256 bits) to see more gains in APU performance!

Asus S16 365 880m
TimeSpy Score: 3460
Graphics: 3116 CPU: 9275
Click to expand...
You do realize the gains were ALWAYS bound to be minimal by going larger when even the 680m and 780m were already heavily constrained constrained by memory bandwidth? The benefit of the 890m is you can reduce the clocks and get the same performance as the 880m while using less power. I’m really confused as to why you were expecting larger gains when they have to share a 128 bit memory bus with the CPU and the memory modules themselves have less than half the bandwidth of modern gddr6. In fact I hope Strix Halo will sacrifice CPU performance and increase GPU performance by using gddr6 as system memory instead of lpddr5x.
 
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usertests said:
False. AM5 cannot support quad-channel. It doesn't have the necessary pins:

https://en.wikichip.org/wiki/amd/packages/socket_am5#Pin_Map

AMD should make AM6 physically larger to support quad-channel and/or larger CPUs/APUs.
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Well….while you are mostly right, TECHNICALLY you’re dead wrong. AM5 supports four (count ‘em, definitely four) 32 bit channels, as does any ddr5 platform with a 128 bit bus. What you’re actually trying to say is AM5 doesn’t support a 256 bit bus.
 
Pierce2623 said:
Well….while you are mostly right, TECHNICALLY you’re dead wrong. AM5 supports four (count ‘em, definitely four) 32 bit channels, as does any ddr5 platform with a 128 bit bus. What you’re actually trying to say is AM5 doesn’t support a 256 bit bus.
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The industry recognizes "dual-channel" to mean 128-bit, and so on.

https://www.amd.com/en/products/processors/desktops/ryzen/7000-series/amd-ryzen-9-7950x3d.html

System Memory Type DDR5
Memory Channels 2
Max. Memory 128 GB
System Memory Subtype UDIMM
 
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