The spec I haven't seen listed on any of these RTX Spark laptops is the memory bandwidth. Seeing as it's listed as having up to 128GB LPDDR5X, I can guess that it's about the same as an AMD Gorgon Halo's 192GB around 273 GB/s which is where I lose interest. Even the M5 Pro at 307GB/s can't compare to discrete GPUs.
Only when we get to M5 Max 614 GB/s and Ultra 1.2TB/s does it get interesting for me.
It's the utility value I can't see. It makes sense for as much as you can put "into a laptop" and is the same zone as AMD Strix/Gorgon Halo. I'd much rather have the high compute in my server in the basement that I have remote use of rather than burning my battery with limited thermals.
And the Apple Max/Ultra does it better. The Mac Mini/Studio form factor makes way more sense. These laptops look like conspicuous consumption brand marketing devices. CUDA is worthless--AIs can port kernels.
Just curious what youre targeting that BW is limiting you. I churned through models ans harnesses, and settled on this setup. I also have accessto a blackwell running the samw model to 75 tk/s and 1800 prefill.
I dont really see what youre targeting besides paper specs.
The spec I haven't seen listed on any of these RTX Spark laptops is the memory bandwidth. Seeing as it's listed as having up to 128GB LPDDR5X, I can guess that it's about the same as an AMD Gorgon Halo's 192GB around 273 GB/s which is where I lose interest. Even the M5 Pro at 307GB/s can't compare to discrete GPUs.
Only when we get to M5 Max 614 GB/s and Ultra 1.2TB/s does it get interesting for me.
I just benchmarked a halogen server running Qwen3.8-Flash-Next:
p50 decode 45.5 t/s
p50 prefill 1278 t/s
I'm able to get these engineering harnesses running for 1-2 hours at a time with the right specs.
What exactly are you looking at that needs more?
It's the utility value I can't see. It makes sense for as much as you can put "into a laptop" and is the same zone as AMD Strix/Gorgon Halo. I'd much rather have the high compute in my server in the basement that I have remote use of rather than burning my battery with limited thermals.
And the Apple Max/Ultra does it better. The Mac Mini/Studio form factor makes way more sense. These laptops look like conspicuous consumption brand marketing devices. CUDA is worthless--AIs can port kernels.
This is a fedora server running in my basement.
I got it before the memory cartel.
Just curious what youre targeting that BW is limiting you. I churned through models ans harnesses, and settled on this setup. I also have accessto a blackwell running the samw model to 75 tk/s and 1800 prefill.
I dont really see what youre targeting besides paper specs.