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Asus ROG Flow Z13 GZ302EA Convertible Review - AMD's Strix Halo GPU is neck-and-neck with the RTX 4070 Laptop

Started by Redaktion, February 18, 2025, 15:02:20

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just at least 512-bit bro

128GB RAM in an (expensive) 13" 2-in-1 is not for everyone (it even rhymes, so it must be true).

  • Strix Halo memory bus width: 256-bit, up to 128GB RAM
  • Medusa Halo (Strix Halo successor) (rumor): 384-bit, up to 192GB RAM
If Medusa Halo had up to 256 GB RAM, it could fit a decent real DeepSeek-R1 / V3 quant (not the fake "Distill" ones):
huggingface.co/search/full-text?q=+DeepSeek-R1-GGUF&type=model
huggingface.co/unsloth/DeepSeek-V3-0324-GGUF
1.78bit IQ1_S 173GB Ok
1.93bit IQ1_M 183GB Fair
2.42bit IQ2_XXS 203GB Recommended
2.71bit Q2_K_XL 231GB Recommended
3.5bit Q3_K_XL 320GB Great
4.5bit Q4_K_XL 406GB Best

Benchmark eg Llama-3 70B

QuoteAIDA64 / Memory Read
Asus ROG Flow Z13 GZ302EA-RU073W
AMD Ryzen AI Max+ 395, Radeon RX 8060S   
121931 MB/s
Lets add what has been said in notebookchat.com/index.php?topic=226695 ("HP ZBook Ultra G1a 14 workstation review: MacBook Pro alternative for gamers")
Strix Halo is a 256-bit chip, so its theoretical bandwidth is:

memory bandwidth [GB/s] = 8000 * 64 (bit per channel) * 4 (channels) (aka quad-channel) (= the 256-bit memory bus width) / 8 (bit to Byte) / 1000 (MB to GB)
                        = 256 GB/s
The practical benchmark value is often 70-80% of the theoretical value, so:
256 GB/s * 0.75 = 192 GB/sLLM tokens per second = 192 GB/s / 39.6 GB (Llama-3.3-70B-Instruct-Q4_K_M.gguf)
                      = 4.85

Obviously, the measured 121931 MB/s don't align with what should be measured as something like 192 GB/s. Notebookcheck, could you run a e.g. Llama-3.3-70B-Instruct-Q4_K_M.gguf LLM and see how many tokens per second you get?

Sarah-Ranger

Objectively speaking, the Zeph G14 for the same price makes more sense for me...better screen except for the OLED wearing out issue.  Better speakers.  CPU is good enough.  The 5070ti should easily beat this (though it's impressive how good it is!), though 64GB compared to 44GB (32+12)

Buuuut I keep finding this appealing for some reason.  It's actually a weirdly good desktop PC for most uses (even not a joke for games).  Pretty quiet too

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