Acer Aspire 3 15.6" AMD Ryzen 5, 1080p display, 16GB RAM, 1TB SSD $788 + Delivery ($0 C&C) @ Harvey Norman

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shellshocked on 24/11/2023 - 00:54 harveynorman.com.au (219 clicks)
Last edited 28/11/2023 - 18:50 by 1 other user

Key Features

Barcode (GTIN) 4711121415500
Product Type Laptops
Brand Acer
Model A315-24P-R2D9
Series Aspire 3
Colour Silver
Processor Brand AMD
Processor Type AMD Ryzen 5
Processor Model 7520U
Processor Speed (GHz) 2.80
Processor Max Speed (GHz) 4.30
Installed RAM 16GB
RAM Type LPDDR5
Primary Storage Capacity 1TB
Storage Type SSD
Screen Size (inches) 15.6
Screen Definition Full High Definition
Screen Resolution 1920 x 1080
Monitor Refresh Rate 60Hz
Graphics Card Memory Type Shared
Wireless Networking Bluetooth 5.2, Wi-Fi 6
Estimated Battery Life (hr) Up to 11
Battery Type Lithium Ion
AC Power Adapter 45W AC Power Adapter
Connectivity 1x USB 3.2 (Type C, Gen 2), 2x USB 3.2 (Type A, Gen1), HDMI 2.1
Audio Ports Headphone/Microphone Combo
Operating System Windows 11 Home
Product Width (cm) 36.29
Product Depth (cm) 23.75
Product Height (cm) 1.89

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Harvey Norman

• 

  captainmac on 24/11/2023 - 01:01

  I'm going to die on this hill.

  Better off adding $100 and getting the Yoga Slim 6i
  https://www.ozbargain.com.au/node/815174

  Twice the performance, better screen, better build. More portable.

  • 

    shellshocked on 24/11/2023 - 06:57

    Unfortunately the Intel 1240p are high TDP CPUs, up to 64w, so are not power efficient in thin chassis. The 7520u's TDP is only at 15w on average, so much more power efficient. If you care about battery life this maybe a more cost effective option, as performance is negligible in real-world applications because the 1240p only has 4p cores, and throttles due to thermal constraints. Also I didn't neg you.

    • 

      Thrawn on 24/11/2023 - 12:03

      7520u is the fake 7xxx series… it's Zen2 cores (4 core). 7530u is Zen3 6 core

      With the 12th gen.. the P models are 28w nominal. The higher powered ones (45w+) are still the H-cores. And Intel's 12th gen now has dedicated additional 8 efficiency cores for longer battery life.

      • 

        shellshocked on 24/11/2023 - 16:35

        Sorry but you statement is incorrect. You only have to look at the Intel website which states the max TDP is 64w for the 1240P. The base TDP is 28w when it's technically not supposed to be doing anything.

        https://www.intel.com/content/www/us/en/products/sku/132221/…

        Notebookcheck did reviews of the 1240p and said the boost to 64w TDP quite easily.

        https://www.notebookcheck.net/Core-i5-beats-Core-i7-Alder-La…

        Also the E cores are designed for space saving and not significant power efficiency, due to Intel's inferior manufacturing process. Hence they are a different architecture to the P cores.

        https://www.techpowerup.com/forums/threads/true-nature-of-e-…

        "Intel needed them to compete with AMD's multi threaded performance.
        Intels cores are less power efficient, and in order to compete they had to keep adding cores or raising clock speeds - and they're already pushing the wattages far higher than we've ever seen before."

        • 

          Thrawn on 24/11/2023 - 17:25

          @shellshocked: Every CPU boosts to higher than nominal TDP.. even AMDs (hence why they have short boost TDP and long boost TDP settings). CPUs boost behaviour is configured by the laptop manufacturer depending on the cooling system they put on.

          When a CPU is not doing anything, aka idling… it uses sub-1 watts. Been that way for decades since CPU idle feature is introduced. Any CPU that runs at 28w minimum would pretty much kill the battery in an hour. You can do the power calculations yourself on battery drain. The nominal TDP spec is intended by Intel/AMD to show how that the CPU will operate at a certain power level when running at base clocks for long duration. Obviously when the CPU enters boost clock, it will consumer higher TDP.

          Boosting to max boost TDP easily is not actually a bad thing. Eg, with a well built laptop with plenty of cooling and running on AC power, the vendor can tune the CPU to boost clocks for longer sustained periods without overheating. This means you get better app performance as the CPU operates at higher clocks for longer.

• 

  shellshocked on 24/11/2023 - 18:25

  As stated throughout my posts the 1240P is not power efficient compared to Ryzen CPUs. As concluded by the Notebookcheck review.

  'Even the Core i5-1240P runs into the 64W limitation, which begs the question: Do these chips make much sense in compact laptops? The performance is not bad by any means, but Alder Lake-P is still very inefficient at high Turbo clocks and it is hard to ignore the effects during everyday tasks (increased fan activity and shorter battery runtime)."

  • 

    Thrawn on 24/11/2023 - 20:06

    every CPU is less efficient at higher clocks… applies to Ryzens too.

    Ryzen has higher TDP mobile models too. The H, HS and HX models have base TDP as high as 45W (and would have boost TDPs a lot higher than that).

    It's a judgement call for the customer/vendor what you want to optimize for. Higher clocks means less efficiency and more battery usage, more fan noise, etc. If you're plugged to AC a lot you might not care about battery and would just rather have the 'workstation' level CPU on a 1kg format (that's my personal preference). The vendor can put in premium cooling solution that is expensive but can cool effectively without being noisy. The vendor can also increase the battery size at more cost and weight.

    It's all trade-offs. There's no doubt that the 1240P is far faster than the Ryzen 7520U both single-threaded and multi-threaded. And yes it uses more power to do so. But so what…. if you finish your video encoding job in the Intel in 3 hours but the battery only lasts in 3 hours. But in the Ryzen it takes 5 hours but the battery can last 5 (or more hours). It's trade-offs that you decide on when you pick a CPU and notebook platform.