AMD Ryzen 3000 CPU Performance Measured in XMG’s APEX 15 Notebooks – Ryzen 9 3950X 16 Core Twice More Efficient Than Core i9-9900K, 6 Core Ryzen 5 3600 Wrecks The Core i7-9700K

Apr 18, 2020
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XMG recently introduced its APEX 15 line of enthusiast notebooks which are powered by the AM4 socket allowing the use of desktop-grade AMD Ryzen 3000 CPUs. We got to see some really impressive designs and XMG has shared some interesting performance metrics of how these CPUs perform compared to desktop processors from Intel in a thermally and power-constrained laptop design.

XPG APEX 15 Notebooks With AMD Ryzen 3000 CPUs Tested - Destroy Intel's Flagship Desktop CPUs in Efficiency Figures

The XPG APEX 15 can be configured with a choice of four AMD Ryzen 3000 Zen 2 based CPUs. The options include the AMD Ryzen 5 3600, Ryzen 7 3700X, Ryzen 9 3900 and the Ryzen 9 3950X. The processors are special in a way that all of them are 65W TDP SKUs and even the Ryzen 9 3950X, which officially has a TDP of 105W, has been set to 65W using the ECO mode profile. So other than the Ryzen 9 3950X, the rest of the CPUs will function as per normal.

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Coming to the performance benchmarks, XMG has conducted single-core, multi-core, & efficiency tests for all four chips and compared them with Intel's 9th Gen Core desktop lineup. According to the data, all AMD Ryzen 3000 CPUs feature higher performance per watt than the comparative 9th Gen Intel CPUs. The tests are based on performance ratings within the Cinebench R15 benchmark.

Let's take the AMD Ryzen 9 3950X as an example. The 16 core and 32 thread parts are phenomenal as it is but we have seen just how well performance scales with its ECO mode profile. At the stock 105W configuration, the Ryzzen 9 3950X posts a score of 215 points in single-core and 3939 points in the multi-core test. With the 65W profile, the same chip inside a laptop configuration scores 195 points in single-core and 3301 in the multi-core tests. The 105W config is 20% faster but the 65W ECO mode config offers a 34% jump in performance per watt which is perfect for a laptop design.

Compared to the 95W (PL1) and 210W (PL2) Core i9-9900K & Core i7-9700K processors, the 65W AMD Ryzen 9 3950X offers a 3.1x and 2.3x greater performance efficiency which is absolutely amazing. Even the Ryzen 9 3900X and the Ryzen 7 3700X are consistently ahead of the 9th Gen Intel lineup while the Ryzen 5 3600 offers to manage better multi-core performance and 90% performance of the Core i7-9700K in single-core tasks while being a 6 core part. It also comes out as 50% more efficient than Intel's Core i7 desktop CPU.

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In the chart above, XMG posts even more data specific to power consumption & thermal numbers of their APEX 15 notebooks. There are two profiles for the notebook, an entertainment profile and a performance profile. On AMD Ryzen 9 3900, the performance profile pushes clocks of up to 3.5 GHz across all 12 cores and a maximum temperature of 80C. For the AMD Ryzen 9 3950X, the max clocks in the performance profile are reported at 3.00 GHz and the temperatures are 90.5C which, as stated by XMG, are under the throttling range for Ryzen 3000 CPUs.

"After 15min of Prime95 (Small FTT's), the R9 3900 is still running at 3.5GHz on all 12 Cores with only ~82°C CCD1 temperature.

In Furmark+Prime with R9 3950X, the CPU Temperature rises to only 90°C which is still below throttling point". - XMG

XMG also posts data for power which at 100% stress test as was also the case with the thermal tests and the peak wattage is reported at 255W and 233W on average. Do note that this is the wattage for the entire laptop which includes the discrete GeForce RTX 2070 Refresh GPU and everything maxed out to 100%. This only goes off to show something that we already know and that's AMD's Ryzen 3000 CPUs and their incredible 7nm Zen 2 architecture which delivers perf/watt unlike any other desktop CPU in the market.

Summary:

CPU TDP CB 15 Single CB 15 Multi
AMD Ryzen 5 3600 65 191 1586
AMD Ryzen 7 3700X 65 197 2012
AMD Ryzen 9 3900 65 196 2882
AMD Ryzen 9 3950X 65 (Eco Mode) 195 3301

Performance-Profile:

Profile PPT (88W) TDC (60A) EDC (90A) CPU Temp Target
Power Saving 28 25 35 81°C
Quiet 32 30 45 81°C
Entertainment 65 40 60 81°C
Performance 88 60 90 81°C

Last week, Der8aer managed to get hold of an XMG APEX 15 notebooks and did some incredible tests with the Ryzen 9 3950X such as cooling it with LN2. You can check more of that out in the video below:

With that said, XMG has already confirmed that they will have a BIOS ready for the B450 board featured on the APEX 15 allowing support for AMD Ryzen 4000 desktop CPUs and APUs in the future. Those who are considering getting an APEX 15 notebook or just check out the price of the various configurations that this insane notebook comes in, you can do so here.

Products mentioned in this post

RTX 2070
RTX 2070
USD 639.99
Ryzen 5 3600
Ryzen 5 3600
USD 167
Ryzen 7 3700X
Ryzen 7 3700X
USD 274.49

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