Discussion Qualcomm Snapdragon Thread

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FlameTail

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Also another silly reason why you'd want to add SME is because it boosts your Geekbench 6 score by a few hundred points
 

soresu

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Dec 19, 2014
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KleidiAI relies on two technologies: SVE2 and SME.

One could argue that, for the purpose of AI, SME is more important than SVE, since it deals with matrices.
#1. Both Neon and SVE have GEMM instructions that deal with matrices, the CPU is not devoid of support for them without SME.

#2. They have a funny way of showing it then considering both v9-A Neoverse V cores and all v9-A Cortex A/X cores lack it so far.

It's possible V4 could have it, but given the lack of it in X925 that seems pretty unlikely - the Neoverse cores do sometimes diverge a bit, but that is a huge divergence.

If it doesn't have it then they announced it 3 years ago and no CPU core of their own design yet uses it.

Meanwhile SVE2 was announced in 2019 and first CPU core in 2021, 2 years later.

Also Kleidi sounds suspiciously like an example software implementation for devs.

All ODMs need to produce these kind of things to speed adoption.
But in the long term, I think it's reasonable yo assume that Qualcomm will add SME sometime in the future.
Possible, but not a given considering Hexagon DSP/NPU can do a lot besides what the CPU and GPU µArchs can manage with AI/ML code.
M4 has SME but no SVE/SVE2.
It should have Streaming SVE as part of the SME spec.

SME 1 and 2 should essentially act as a superset of SVE2.
 

soresu

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Dec 19, 2014
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Also another silly reason why you'd want to add SME is because it boosts your Geekbench 6 score by a few hundred points
Something ehthusiasts immediately called out.

No one else would even care to look at GB scores, it's not something the average retail sales clerk is going to quote customers.
 

FlameTail

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We looked at over 82,000 Geekbench 6 for Windows results uploaded to the Geekbench Browser over the last 30 days. Intel CPUs powered 59.2% of results, AMD CPUs powered 32.4%, and Qualcomm Snapdragon X SoCs powered 6.4%. Snapdragon X is off to a good start.
Sounds good. Much better than Passmark:


In the past 30 days, we've seen 22,000 x86 Windows benchmark submissions vs. just 56 ARM Qualcomm Elite (that’s 0.3% of all Windows benchmark submissions). Given Qualcomm CEO's claim that ARM could capture 50% of the Windows PC market in 5 years, there's a long road ahead.
 

FlameTail

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Fun fact: X Elite's CPU has the same amount of L2 cache as the M3 Max CPU

X Elite
4P + 4P + 4P
12 MB + 12 MB + 12 MB
= 36 MB

M3 Max
6P + 6P + 4E
16 MB + 16 MB + 4 MB
= 36 MB
 

FlameTail

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POWER4

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May 25, 2024
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Far better.

20% would put it ahead of M4-P (if we discount SME).
Is it enough, though?

Oryon V2 is not coming on the next generation of X processors, which should use roughly the same Phoenix variants that will be featured in 8G4. We are talking late 2026 at the earliest for Oryon V2, which means we could be getting well into M6 territory.

Being two generations behind Apple is better than the four or five they were with 8cx Gen 3, but I was expecting more. If anything, their delays in delivering Phoenix (and Hamoa as a whole) cost them a lot. Nuvia's team will be put to the test in the next two years. I hope QC doesn't cheap out and keeps them well-staffed.
 

jdubs03

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Oct 1, 2013
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Is it enough, though?

Oryon V2 is not coming on the next generation of X processors, which should use roughly the same Phoenix variants that will be featured in 8G4. We are talking late 2026 at the earliest for Oryon V2, which means we could be getting well into M6 territory.

Being two generations behind Apple is better than the four or five they were with 8cx Gen 3, but I was expecting more. If anything, their delays in delivering Phoenix (and Hamoa as a whole) cost them a lot. Nuvia's team will be put to the test in the next two years. I hope QC doesn't cheap out and keeps them well-staffed.
Late 2026 seems too far out when considering this, more like early 2026:
 

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POWER4

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Late 2026 seems too far out when considering this, more like early 2026:
The problem here is terminology. The poll said "Oryon V2 (Pegasus)", meaning the next uarch iteration, thus the parenthesis.

In the Dell leak the timeframe closely tracks the next generation of X SoCs, but this is V2 of the SoC itself, which should use roughly the same Phoenix variants to be debuted with 8G4.
 
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FlameTail

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In the Dell leak the timeframe closely tracks the next generation of X SoCs, but this is V2 of the SoC itself, which should use roughly the same Phoenix variants to be debuted with 8G4
V2 is the terminology for the CPU IIRC. The next generation of the SoC will be called X2.

Here's my headcannon, based on all the leaks floating around:

Pegasus is the codename for Oryon V2, I believe. Oryon V1 is Phoenix. Oryon V1+ is Phoenix-L.


YearSoCCPU
2024Q2X EliteOryon V1
2024Q48G4Oryon V1+
2025Q1X Elite RefreshOryon V1/Oryon V1+?
2025Q48G5Oryon V2
2025Q4X2 EliteOryon V2
 

POWER4

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Pegasus is the codename for Oryon V2, I believe. Oryon V1 is Phoenix. Oryon V1+ is Phoenix-L.
This is where the confusion lies. AFAIK there is no agreement on what Oryon V1/1+/2/etc means.

Qualcomm calls its CPUs Oryon, like Adreno and Hexagon, but said nothing about how it will do its "versioning." The community started calling Oryon V2, but this should mean the next CPU, not uarch, right? After all, Oryon is the CPU.

On the other hand, Phoenix is what Nuvia called the uarch, with Pegasus being quoted as the next uarch codename.
So what does "Oryon V2 (Pegasus)" mean? Next CPU (like Adreno 740 vs Adreno 750)? Next uarch? Or does it imply the next CPU will also use the next uarch?

What the Dell leak calls Oryon V2 is basically the next generation of X SoCs, whatever it is called, which, in a certain way, will use a "V2" of the CPU. Just that this CPU is not going to be based on Pegasus.

Your Oryon V1+ is their Oryon V2, which might be someone else's Oryon V1 Gen 2.
 

soresu

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Dec 19, 2014
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The community started calling Oryon V2, but this should mean the next CPU, not uarch, right? After all, Oryon is the CPU.
You are confusing µArch with ISA perhaps.

The µArch is the CPU core itself.

µArch means microarchitecture in a broader physical structure sense, as if the chip were a multi story building with a single level of silicon logic and memory on the bottom, and multiple levels of metal on top for power and data IO linking all the µArch islands together.

µ is lower case Greek letter Mu, and stands for micro in scientific terminology, and specifically micron/micrometer (millionth of a meter) scale in the context of µArchitecture, having been coined decades ago when silicon transistors were still just in the micron range.

ISA on the other hand is the Instruction Set Architecture which defines the OS/software interface with the µArch, and how software supporting it must be structured.

So Oryon V1/Phoenix will be different to Oryon V2/Pegasus from a microarchitectural sense, though not necessarily a hugely disruptive change.
 

soresu

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Your Oryon V1+ is their Oryon V2, which might be someone else's Oryon V1 Gen 2.
Oryon is just the brand name for Qualcomm's new custom CPU core.

Sort of like Kryo was for all the different v8-A CPU cores from SD 810 -> SD 888.

I wouldn't expect them to change the name unless the CPU core µArch itself changes.
 

FlameTail

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Oryon is the name of the CPU block. Is it also the name of the individual CPU cores? There's some ambiguity.

Qualcomm did good by naming the GPU in X Elite as 'Adreno X1'. I wish they did that for the CPU as well.

So far, we have heard these names such as "Oryon V1", "Oryon V2", "Pegasus", "Phoenix-L" only from the rumour mill.
 

Kepler_L2

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Sep 6, 2020
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Oryon is the name of the CPU block. Is it also the name of the individual CPU cores? There's some ambiguity.

Qualcomm did good by naming the GPU in X Elite as 'Adreno X1'. I wish they did that for the CPU as well.

So far, we have heard these names such as "Oryon V1", "Oryon V2", "Pegasus", "Phoenix-L" only from the rumour mill.
Oryon is the name of the overall CPU architecture like Zen. Phoenix, Pegasus and so on are the codenames for specific generations, like Zen4(Persephone) and Zen5(Nirvana).
 

POWER4

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You are confusing µArch with ISA perhaps.

The µArch is the CPU core itself.

µArch means microarchitecture in a broader physical structure sense
What I meant by CPU is the block itself, i.e., is Oryon "V1 to V2" like Cezanne to Rembrandt or like Phoenix to Strix?

Given Qualcomm history with numbered Kryo (e.g., 670 to 680) and now the non-numbered fiesta (Kryo Prime based on X2 or A715 in the same year), I'm not sure it will be cohesive.
So Oryon V1/Phoenix will be different to Oryon V2/Pegasus from a microarchitectural sense, though not necessarily a hugely disruptive change.
This is my point. Qualcomm treats Oryon more as a brand name for its CPU block. So this Oryon V1 as Phoenix and Oryon V2 as Pegasus versioning is more of a convention the community/leakers are using.

The document, on the other hand, puts "Oryon V2" in the timeframe of X2/X Gen 2/etc, which should be based on Phoenix-L, not Pegasus.
 
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