Discussion Zen 5 Speculation (EPYC Turin and Strix Point/Granite Ridge - Ryzen 9000)

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Josh128

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Oct 14, 2022
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It's a failure because it secured 2 (two, dos, zwei) design wins on portable devices, of which only one is an actual work laptop.
All while lunar lake secured 50x more design wins.

So yes, unless there are more laptop design wins coming up that somehow missed the CES and Computex, Strix Halo is a massive flop. At least for the B2B Marketing teams.

Strix Point is the Lunar Lake competitor, not Strix Halo. Of course an anemic, tiny processor is going to get more laptop wins than this $500 monster of a chip.
 
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LightningZ71

Platinum Member
Mar 10, 2017
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The micro PCs can, and mostly do, all use the same mainboard design. Similar form factors, similar features, similar prices. As was said previously, the thermal and power environment in one of those computers is notably easier to manage.

I think that we're going to see these products as sort of low risk pipe cleaners and demand testors for Strix Halo, and it's segment. If they move enough volume, we'll probably see more willingness to take the risk of pouring development funds into a couple of laptop platforms designs for the market that can be tailored by the various manufacturers.
 

fastandfurious6

Senior member
Jun 1, 2024
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Yes you can.


View attachment 124410

View attachment 124411

View attachment 124412

Strix Halo at 15W matches Strix Point at 20W.
At 20W it beats all other APUs by 60-80%. And at 35W it's an unmatched beast.


Source:


100% this is the way, strix point not strong enough but Halo is king

- 1CCD 8core Halo with 3d cache
- RDNA4 32/40 cores
- pegged at 20-30w mobile
- dock mode for full 100w power

will be the ULTIMATE unbeatable handheld, fluid 1080p for everything

tis unfortunate medusa halo will take like 1.5 years more to release, too long


AMD should really aim for a mid release targeting handheld/mobile market but also full power thinkpads, no reason to buy any other laptop really Halo gives everything

One Chip to rule them all!
 
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Thunder 57

Diamond Member
Aug 19, 2007
3,655
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100% this is the way, strix point not strong enough but Halo is king

- 1CCD 8core Halo with 3d cache
- RDNA4 32/40 cores
- pegged at 20-30w mobile
- dock mode for full 100w power

will be the ULTIMATE unbeatable handheld, fluid 1080p for everything

tis unfortunate medusa halo will take like 1.5 years more to release, too long


AMD should really aim for a mid release targeting handheld/mobile market but also full power thinkpads, no reason to buy any other laptop really Halo gives everything

One Chip to rule them all!

You'd be crippling the chip by limiting it to 20-30W. What would be the point? It wouldn't be useful as a handheld.
 

Thunder 57

Diamond Member
Aug 19, 2007
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The 16C version wouldnt male sense for a handeld but there s also a 8C part with 32 CUs IIRC, this one would be releveant for such an usage.

Trying to run 8 cores and 32 CU's with 20-30W sounds like a bad time, or rather, a waste of hardware. Eight cores with 16 CU's might be doable.
 

Abwx

Lifer
Apr 2, 2011
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Trying to run 8 cores and 32 CU's with 20-30W sounds like a bad time, or rather, a waste of hardware. Eight cores with 16 CU's might be doable.
That s the other way around, at same throughput 32 CUs are roughly 4x more efficient than 16 CUs, at same power the 32 CUs APU would have 40% better FPS and 8C/16T is way enough for a GPU that small, just look at desktops where 8C are enough for more than 64 CUs, so a handheld need no more than 4C-6C/4-6T.
 
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Thunder 57

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Aug 19, 2007
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That s the other way around, at same throughput 32 CUs are roughly 4x more efficient than 16 CUs, at same power the 32 CUs APU would have 40% better FPS and 8C/16T is way enough for a GPU that small, just look at desktops where 8C are enough for more than 64 CUs, so a handheld need no more than 4C-6C/4-6T.

I know 8 cores are plenty. What I would like to know is where you are getting 32CU's being 4x more efficient than 16CU's. It's well known that more hardware at lower clock speeds is more efficient than less hardware and high clock speeds (looking at you 9070 XT) but 4x efficiency sounds unrealistic.
 

Abwx

Lifer
Apr 2, 2011
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I know 8 cores are plenty. What I would like to know is where you are getting 32CU's being 4x more efficient than 16CU's. It's well known that more hardware at lower clock speeds is more efficient than less hardware and high clock speeds (looking at you 9070 XT) but 4x efficiency sounds unrealistic.
Sorry, that s 2x the efficency at same power.

With 2x the CU count you can halve the frequency and still get the same throughput, and since power/frequency scale at roughly a quadratic slope power is reduced by 2x, if power is kept the same then the throughput is 1.4x.

Anyway to increase perf/watt there s no other solution than increasing the CU count set apart using a more efficient process, so far a 8C + 32 CU Strix Halo would be perfect for a high perfs handeld, of cource it would cost quite more than the Strix Point based such devices, eventualy 1200$, but at the same time it would have a quite longer life cycle.
 
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marees

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Apr 28, 2024
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Anyway to increase perf/watt there s no other solution than increasing the CU count set apart using a more efficient process, so far a 8C + 32 CU Strix Halo would be perfect for a high perfs handeld, of cource it would cost quite more than the Strix Point based such devices, eventualy 1200$, but at the same time it would have a quite longer life cycle.
I doubt large integrated GPUs will happen unless it is a custom order for apple, valve, Microsoft etc.

Maybe AI training/inferencing can change it

I doubt AMD on its own will be able to evangelize this. Maybe the steam O/S & xbox O/S can make things happen 🤔
 

Bigos

Member
Jun 2, 2019
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Unless strix halo is able to clock cu and uncore separately, clocking it low would cripple its command processing, triangle rasterization, rops etc. One of the big advancements in gpus recently is how they can clock higher to boost parts of the core that do not scale with the cu count.

And GPU workloads are not as "embarrassingly parallel" as you would think. A GPU 2x the size does not have 2x fps, even with the same clocks.
 

Abwx

Lifer
Apr 2, 2011
11,813
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I doubt large integrated GPUs will happen unless it is a custom order for apple, valve, Microsoft etc.

Maybe AI training/inferencing can change it

I doubt AMD on its own will be able to evangelize this. Maybe the steam O/S & xbox O/S can make things happen 🤔
There shouldnt be a big price difference between a 12C/16CUs Strix Point and a 8C/32CUs Strix Halo, for a handeld 32GB are enough, so the equipement does not cost more, it s just that it will be 2x the bandwith with the same RAM quantity, overall the BOM difference is someting like 100-150$, it wouldnt even cost that much more than a Rog Ally with a Z2.
Unless strix halo is able to clock cu and uncore separately, clocking it low would cripple its command processing, triangle rasterization, rops etc. One of the big advancements in gpus recently is how they can clock higher to boost parts of the core that do not scale with the cu count.

And GPU workloads are not as "embarrassingly parallel" as you would think. A GPU 2x the size does not have 2x fps, even with the same clocks.

Still the perf/watt improvement would apply, and dont forget that there s 2x the bandwith, so it will be close to 2x the perfs, or 1.4x at same power.
 

Abwx

Lifer
Apr 2, 2011
11,813
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lmao.

That's cataclysmic for that segment.
That would amount to 250-300$ more at the retail level, barely 35% higher price for 40% higher perfs at same power and battery life, there s nothing cataclysmic here,
that s even very competitive since it encompass two successive gens of usual handhelds, do the maths $ wise, it cost less on the mid and long term.
 

LightningZ71

Platinum Member
Mar 10, 2017
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I do wonder if Strix Halo like products will become the core of follow on generation gaming consoles. Given how low their margins are, and how expensive development and production is, it's going to have to have usefulness in other markets to make sense. I get that the halo products are expensive, but with committed volume buys, Sony and MS could get more favorable pricing on them.
 
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marees

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I do wonder if Strix Halo like products will become the core of follow on generation gaming consoles. Given how low their margins are, and how expensive development and production is, it's going to have to have usefulness in other markets to make sense. I get that the halo products are expensive, but with committed volume buys, Sony and MS could get more favorable pricing on them.
There are 4 different things here

  1. nintendo — will fab console from a (samsung) process created a decade back
  2. Sony — reasonable specs for the budget. This will be 100% custom with AMD's help
  3. Valve — release valve o/s will run on halo type SoCs (subject purely to market demand)
  4. MS — will make a $1000 console plus release xbox o/s copying valve o/s. Nvidia might release a premium handheld. Surface team also could release a premium handheld (probably Intel). Asus, lenovo, Acer etc. wil use different SKUs provided by AMD to serve different markets
 
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Josh128

Senior member
Oct 14, 2022
884
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There are 4 different things here

  1. nintendo — will fab console from a (samsung) process created a decade back
  2. Sony — reasonable specs for the budget. This will be 100% custom with AMD's help
  3. Valve — release valve o/s will run on halo type SoCs (subject purely to market demand)
  4. MS — will make a $1000 console plus release xbox o/s copying valve o/s. Nvidia might release a premium handheld. Surface team also could release a premium handheld (probably Intel). Asus, lenovo, Acer etc. wil use different SKUs provided by AMD to serve different markets
Strix Halo will not be used in any seriously marketable (read: sellable) handheld. Switch 2 probably uses 5W-10W in undocked mode, its SOC probably costs around $30 to mass produce, and it will probably sell much more units than all Zen 5 CPU types combined.

Everybody loves Strix Halo as a piece of tech, but not everybody is willing to pay for it. It ONLY makes sense in premium devices, period. End of story. Lenovo is pricing their new small desktop Strix Halo at $1600+. For that money, you can upgrade your existing rig to smash it all CPU and GPU workloads outside of possibly some LLMs that can make use of the unified RAM. You can probably make an entirely new build for $1600 that can still beat it handily.

Its a very niche product. If AMD would sell socketed 170W TDP versions for $600, sure, it would be super enticing and generate a ton of real interest, but thats not happening.
 
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MS_AT

Senior member
Jul 15, 2024
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Strix Halo will not be used in any seriously marketable (read: sellable) handheld. Switch 2 probably uses 5W-10W in undocked mode, its SOC probably costs around $30 to mass produce, and it will probably sell much more units than all Zen 5 CPU types combined.

Everybody loves Strix Halo as a piece of tech, but not everybody is willing to pay for it. It ONLY makes sense in premium devices, period. End of story. Lenovo is pricing their new small desktop Strix Halo at $1600+. For that money, you can upgrade your existing rig to smash it all CPU and GPU workloads outside of possibly some LLMs that can make use of the unified RAM. You can probably make an entirely new build for $1600 that can still beat it handily.

Its a very niche product. If AMD would sell socketed 170W TDP versions for $600, sure, it would be super enticing and generate a ton of real interest, but thats not happening.

Not sure what is the orginal source got it from here https://community.frame.work/t/request-verify-dgpu-support/69392/33
Still someone also tested code compilation in there
Compiling llama.cpp
cmake -B build -S . -DGGML_HIP=ON -DAMDGPU_TARGETS="gfx1100" -DGGML_HIP_ROCWMMA_FATTN=ON -DGGML_CUDA_FA_ALL_QUANTS=ON -DGGML_HIP_GRAPHS=ON && time cmake --build build --config Release -j$(nproc)


STXH 60 watts 1m47s,
9950X 120 watts 1m50s,
STXH 40 watts 2m7s


60 watts STXH can beat 120 watts 9950X.
but it's a single data point, the difference in within margin of error, and the CLANG compilation results from the slide are showing 9950X with the lead I would expect
 

marees

Golden Member
Apr 28, 2024
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Switch 2 probably uses 5W-10W in undocked mode, its SOC probably costs around $30 to mass produce, and it will probably sell much more units than all Zen 5 CPU types combined.
While I overall agree with you, switch is a bad benchmark for Halo

There is only one benchmark, imo, xbox that would make market sense

Steam deck was comparable to xbox
Asus, lenovo, acer, msi may want to look at that
 

Josh128

Senior member
Oct 14, 2022
884
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View attachment 124528
Not sure what is the orginal source got it from here https://community.frame.work/t/request-verify-dgpu-support/69392/33
Still someone also tested code compilation in there

but it's a single data point, the difference in within margin of error, and the CLANG compilation results from the slide are showing 9950X with the lead I would expect
Thats actually an awesome comparison. I'd LOVE to see a similar comparison to say, an RX 6700XT in straight 1080p and 1440p gaming.
 
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