AMD Ryzen 9 5900HX Flagship 8 Core Cezanne-H Zen 3 CPU benchmarks leak, faster than Intel Core i7-10700K

AMD’s Ryzen 9 5900HX laptop CPU has leaked and will be part of the next-generation Cezanne-H family of processors based on the Zen 3 core architecture. Ryzen 9 5900HX spotted by TUM_APISAK Inside the Geekbench database and features faster performance than 8-core desktop-grade processors.

AMD Ryzen 9 5900HX Flagship Zen 3 Notebook CPU Destroys Intel Core i7-10700K and last generation Ryzen 7 3800X CPUs in single and multi-threaded benchmarks

The AMD Ryzen 9 5900HX CPU will be the main offering within AMD’s Cezanne-H chipset. The processor will have all-new Zen 3 cores which we’ve seen on the Ryzen 5000 desktop lineup and as such, we can expect some huge performance gains in the single-threaded processor.

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In terms of specifications, the AMD Ryzen 9 5900HX will offer 8 cores and 16 threads. The chip will have 16MB of L3 cache and 4MB of L2 cache. The chip’s base clock is rated at 3.30GHz and the boost clock is rated at 4.70GHz. Detailed benchmarking log shows that all cores were clocked at 4.70GHz during testing. Other features of the chip include an improved Vega GPU and also overclocking support, which will be a first for AMD in the laptop segment.

AMD Ryzen 5000 APU Lineup (Initial Specifications):

APU name APU . family building to treat Cores/Threads base clock increase the clock L3 cache Graphics gag watch TDP
Ryzen 9 5900HX Cézanne H Zain 3 7 nm 8/16 3.30 GHz 4.70 GHz 16 MB 8 work units (512 SP) to be announced later on 35-45 W
Ryzen 9 5900H Cézanne H Zain 3 7 nm 8/16 3.30 GHz 4.65 GHz 16 MB 8 work units (512 SP) to be announced later on 35-45 W
Ryzen 7 5800H Cézanne H Zain 3 7 nm 8/16 3.20 GHz to be announced later on 16 MB 8 work units (512 SP) ~2000 MHz 35-45 W
Ryzen 9 5900HS Cézanne H Zain 3 7 nm 8/16 3.10 GHz 4.50 GHz 16 MB to be announced later on to be announced later on 35-45 W
Ryzen 5 5600H Cézanne H Zain 3 7 nm 6/12 3.10 GHz 4.10 GHz 8 MB to be announced later on to be announced later on 35-45 W
Ryzen 7 5800U Cézanne Yu Zain 3 7 nm 8/16 2.00 GHz 4.40 GHz 16 MB 8 work units (512 SP) 2000 MHz 10-25 W
Ryzen 7 5700U Lucian Yu Zain 2 7 nm 8/16 1.80 GHz 4.30 GHz 8 MB 8 work units (512 SP) 1900 MHz 10-25 W
Ryzen 5 5600U Cézanne Yu Zain 3 7 nm 6/12 2.30 GHz 4.30 GHz 12 MB 7 work units (448 SP) 1800 MHz 10-25 W
Ryzen 5 5500U Lucian Yu Zain 2 7 nm 6/12 2.10 GHz 4.00 GHz 8 MB 7 work units (448 SP) 1800 MHz 10-25 W
Ryzen 3 5400 Cézanne Yu Zain 3 7 nm 4/8 2.60 GHz 4.00 GHz 8 MB 6 work units (384 SP) 1600 MHz 10-25 W
Ryzen 3 5300U Lucian Yu Zain 2 7 nm 4/8 2.60 GHz 3.85 GHz 4 MB 6 CU (384 SP) 1500 MHz 10-25 W

The test platform was the ASUS ROG Zephyrus Duo 15 SE (GX551QS) laptop, an advanced design aimed at enthusiasts. ASUS will also offer the same laptop with Intel Tiger Lake-H CPU flavors. The laptop features 32GB of DDR4-3200MHz memory, and while this is a high-end design, it’s likely to power the NVIDIA GeForce RTX 30 series graphics card for the notebook that launches at CES 2021. In fact, all the major tech vendors including AMD, NVIDIA, and Intel will showcase their new high-performance laptops at CES 2021.

AMD Ryzen 5000 Cezanne-H ‘Zen 3’ Geekbench Benchmarks Leak:

CPU name single core multicore Performance difference vs (1T) Performance difference vs. (MT)
AMD Ryzen 9 5900HX 1534 9015 100% 100%
AMD Ryzen 9 5800H 1520 9325 100% 97%
AMD Ryzen 7 5800H 1475 7630 104% 118%
Intel Core i7-10700K 1350 8982 113% 100%
AMD Ryzen 7 3800X 1291 8963 119% 100%
Intel Core i7-10875H 1209 7010 127% 129%
Intel Core i7-10750H 1147 5535 134% 163%
Intel Core i9-9980HK 1113 6504 138% 139%
AMD Ryzen 7 4800H 1090 6608 141% 136%
AMD Ryzen 7 4800HS 1081 6755 142% 133%
Intel Core i9-8950H 1068 4786 144% 188%

In terms of performance, the AMD Ryzen 9 5900HX CPU scored 1534 points in the single-core and 9,015 points in the multi-core tests. The standard AMD Ryzen 7 5800H which is also an 8-core Cezanne-H chip based on the Zen 3 architecture leaked a few days ago and this chip scored 1,475 points in the single-core and 7,630 points in the multi-core tests. This makes the Ryzen 9 5900HX 4% faster in single tests and 18% faster in multi-core tests, which is a huge increase but is expected to power the chip much higher. Compared to its flagship Ryzen 7 4800H predecessor, the Ryzen 9 5900HX is 41% faster in single core and 36% faster in multi-core tests, which is a massive increase in just one generation for the laptop segment.

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But that’s not all, we also compared the chip to Intel Core i7-10700K and AMD Ryzen 7 3800X desktop processors. In multi-core tests, the Ryzen 9 5900HX ends up faster, even by a small margin, than desktop parts configured to run at much higher TDPs while the Ryzen 9 5900HX should ship with a 45W TDP. In single-core tests, the Ryzen 9 5900HX only destroyed the Zen 2 based Ryzen 7 3800X with a 19% lead while the Core i7-10700K ends up 14% slower.

We’ve seen Ryzen 9 5900H and Ryzen 9 5900HX processors leak earlier as well, and while Intel has Tiger Lake-H around the same time as the Cezanne-H, it looks like the blue team will have a very hot battle in the high-performance portion of this year’s notebook. It also looks like the major OEMs will be shipping AMD Ryzen 5000 laptops with top-of-the-line NVIDIA RTX GPUs which will take away more of the appeal that Intel has had in the high-end gaming laptop segment for a while now.

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