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Discussion Apple Silicon SoC thread

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Eug

Eug

Lifer
M1
5 nm
Unified memory architecture - LP-DDR4
16 billion transistors

8-core CPU

4 high-performance cores
192 KB instruction cache
128 KB data cache
Shared 12 MB L2 cache

4 high-efficiency cores
128 KB instruction cache
64 KB data cache
Shared 4 MB L2 cache
(Apple claims the 4 high-effiency cores alone perform like a dual-core Intel MacBook Air)

8-core iGPU (but there is a 7-core variant, likely with one inactive core)
128 execution units
Up to 24576 concurrent threads
2.6 Teraflops
82 Gigatexels/s
41 gigapixels/s

16-core neural engine
Secure Enclave
USB 4

Products:
$999 ($899 edu) 13" MacBook Air (fanless) - 18 hour video playback battery life
$699 Mac mini (with fan)
$1299 ($1199 edu) 13" MacBook Pro (with fan) - 20 hour video playback battery life

Memory options 8 GB and 16 GB. No 32 GB option (unless you go Intel).

It should be noted that the M1 chip in these three Macs is the same (aside from GPU core number). Basically, Apple is taking the same approach which these chips as they do the iPhones and iPads. Just one SKU (excluding the X variants), which is the same across all iDevices (aside from maybe slight clock speed differences occasionally).

EDIT:

Screen-Shot-2021-10-18-at-1.20.47-PM.jpg

M1 Pro 8-core CPU (6+2), 14-core GPU
M1 Pro 10-core CPU (8+2), 14-core GPU
M1 Pro 10-core CPU (8+2), 16-core GPU
M1 Max 10-core CPU (8+2), 24-core GPU
M1 Max 10-core CPU (8+2), 32-core GPU

M1 Pro and M1 Max discussion here:

Discussion - Apple Silicon SoC thread

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M1 Ultra discussion here:

Discussion - Apple Silicon SoC thread

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M2 discussion here:

Discussion - Apple Silicon SoC thread

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Second Generation 5 nm
Unified memory architecture - LPDDR5, up to 24 GB and 100 GB/s
20 billion transistors

8-core CPU

4 high-performance cores
192 KB instruction cache
128 KB data cache
Shared 16 MB L2 cache

4 high-efficiency cores
128 KB instruction cache
64 KB data cache
Shared 4 MB L2 cache

10-core iGPU (but there is an 8-core variant)
3.6 Teraflops

16-core neural engine
Secure Enclave
USB 4

Hardware acceleration for 8K h.264, h.264, ProRes

M3 Family discussion here:

Discussion - Apple Silicon SoC thread

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M4 Family discussion here:

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M5 Family discussion here:

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Last edited:
jdubs03 said:
To be fair, you picked a relatively lower scoring sample there. Median is around 4290 overall single core. I got 9% using a median result.
Click to expand...
I picked two results with the exact same version of OS and GB to be as fair as possible. The results of the M5 is close to the Mac chart while the M4 one is above the Mac chart.
It has become impossible to properly extract results from GB database, it's a pain.
 
Nothingness said:
I picked two results with the exact same version of OS and GB to be as fair as possible. The results of the M5 is close to the Mac chart while the M4 one is above the Mac chart.
It has become impossible to properly extract results from GB database, it's a pain.
Click to expand...
I have python script that grabs the overall results based on the CPU identifier. The median 4290 result was from a run I did two weeks ago, encompassing 1682 results. Right now the Geekbench website is experiencing some issues when trying to run it. When I just tried, it got interrupted, but I got the most recent 650 results.
1776325564166.png
Only thing is it doesn't discriminate upon bandwidth or OS. Just pulls from the main search results page. But for single-core bandwidth should be less of a factor, and its likely most of these recent results are on 26.4 or 26.4.1.
 
Nothingness said:
I won't pretend I'm able to read Chinese, but it seems to mean jht5132 used the same compiler and flags. Impressive 🙂

What is the text before 10.4?
Click to expand...



"Comparison of Apple mid-cores based on David test

Apple’s mid-core spec is similar to David Huang’s test: gcc12 ofast flto, score 10.4.
Performance is slightly higher than Apple M2 big cores. Considering power consumption, peak efficiency can outperform M3 big cores.

Compared to AMD and Intel H-series, it directly beats big cores like 358H and H350, significantly outperforms small cores, and even surpasses high-frequency small cores of Intel desktop K-series (e.g., 265K small cores score around 9).

On the Android side, performance is close to the 8 Elite at 4 GHz in David’s tests (due to high power consumption and overheating, 4.3 GHz couldn’t be tested). It is slightly weaker than the peak X925 (4 GHz, O1 + GB10), but wins in energy efficiency. It also clearly outperforms small cores from Qualcomm and MediaTek, though with somewhat higher power consumption.

At 4.38 GHz, a single core consumes about 2.5 W, while the whole system under reduced load is around 4–5 W, indicating very good power management.

Overall, within Apple’s intended usage scenarios, this appears to be a very well-designed core architecture.
The only drawback is that IPC is still somewhat lower — it hasn’t reached A13 level and is noticeably behind A14."
 
jdubs03 said:
I have python script that grabs the overall results based on the CPU identifier. The median 4290 result was from a run I did two weeks ago, encompassing 1682 results. Right now the Geekbench website is experiencing some issues when trying to run it. When I just tried, it got interrupted, but I got the most recent 650 results.
View attachment 141843
Only thing is it doesn't discriminate upon bandwidth or OS. Just pulls from the main search results page. But for single-core bandwidth should be less of a factor, and its likely most of these recent results are on 26.4 or 26.4.1.
Click to expand...
Raw median is tough due to low-power mode. If you can estimate what a low-power score would be (I think different M variants behave differently), I think it would be useful to have a low pass for the data.
 
poke01 said:
View attachment 142214

Apples notebook shipments look good.
www.thelec.kr

애플, 올해 노트북 출하량 '나홀로 성장' 전망...메모리 가격 상승 극복 - 디일렉(THE ELEC)

시장조사업체 시그마인텔이 올해 노트북 시장에서 애플만 성장세를 보일 것이라고 22일 밝혔다.시그마인텔이 전망한 올해 전 세계 노트북 출하량은 1억8110만대다.
www.thelec.kr www.thelec.kr
Click to expand...
Particularly in share. Everyone down but them. From 12% up to 15%.
 
It almost feels like they want to cap the sales of Neo to not impact MBA sales. I think they can double the output and will sell out all of them.
 
poke01 said:
View attachment 142214

Apples notebook shipments look good.
www.thelec.kr

애플, 올해 노트북 출하량 '나홀로 성장' 전망...메모리 가격 상승 극복 - 디일렉(THE ELEC)

시장조사업체 시그마인텔이 올해 노트북 시장에서 애플만 성장세를 보일 것이라고 22일 밝혔다.시그마인텔이 전망한 올해 전 세계 노트북 출하량은 1억8110만대다.
www.thelec.kr www.thelec.kr
Click to expand...
From my little slice of the industry, there were a LOT of purchases made in 2025 related to the end of support for Windows 10 that were brought forward. We've had very little purchasing this year.
 
trivik12 said:
It almost feels like they want to cap the sales of Neo to not impact MBA sales. I think they can double the output and will sell out all of them.
Click to expand...

With supplies of a lot of stuff tight - TSMC N3 class, TSMC packaging, LPDDR, NAND, and probably plenty of less headline grabbing stuff even Apple may have trouble responding to increases in demand in a timely manner.

Apple is getting increased demand from:
1) iPhones - I'm sure when Apple announces their results next week they'll show iPhone sales above expectations, and raise their prediction for the next quarter
2) Neo - less competition in lower priced PCs (because other OEMs have trouble sourcing memory or have to raise prices due to increased DRAM/NAND cost) means more demand for it
3) Mac Mini/Studio - these have become hot items for running local AI and the Studio at least is backordered for months

Apple even quit offering the highest memory config of the Studio. At some point it doesn't make sense to keep taking orders for a product so backordered you may not be able to deliver it this year (and when you do it will be a newer iteration)

Apple is claimed to "buying up all the DRAM to prevent their competition from getting any" but what is probably happening is that Apple's long term contracts for DRAM only guarantee a certain amount and because they are seeing higher demand they need to find more wherever they can.

To the extent that they can't get enough DRAM Apple will probably prioritize based on their most important, and most profitable product. So they'll make sure they have enough to insure they NEVER run short of iPhones due to lack of DRAM, and if that means they can't satisfy all the Neo demand or they have to quit selling the 512 GB config of Studio, so be it. They are also going to prioritize Macbook Pro over Neo/Studio for obvious reasons.
 
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