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AMD Ryzen 9 7945HX3D Laptop CPU Benchmarks Leak: Same Performance As 7945HX With 3D V-Cache Goodness

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AMD Ryzen 9 7945HX3D Laptop CPU Benchmarks Leak: Same Performance As 7945HX With 3D V-Cache Goodness 1

The latest benchmarks of AMD's Ryzen 9 7945HX3D Laptop CPU have leaked out showcasing that the 3D V-Cache chip still retains some great multi-threaded performance.

AMD Ryzen 9 7945HX3D CPU Performs The Same As 7945HX But More Efficiently & With Much Better Gaming Performance With 3D V-Cache

The AMD Ryzen 9 7945HX3D will be the first CPU for laptops that comes integrated with the 3D V-Cache technology. The chip is releasing next week on the 22nd of August but benchmarks leaked within the Geekbench database give us a reference point of what to expect from the chip besides the gaming performance. But before that, let's quickly recap the specifications.

AMD Ryzen 9 7945HX3D CPU Specifications

The AMD Ryzen 9 7945HX3D CPU comes with a 16-core and 32-thread configuration which is implemented in a dual CCD layout. Each CCD itself carries 32 MB of L3 cache for a total pool of 64 MB but one of these CCDs comes with a 3D V-cache stack of 64.0 MB which increases the total pool to 128 MB. The CPU features a base clock speed of 2.3 GHz which is 200 MHz lower than the Ryzen 9 7945HX but the boost frequency remains the same at 5.4 GHz.

Considering the minute difference in the way voltages and power are handled for the 3D V-Cache chip, a slight reduction in clock speeds was expected. Other specifications include a 55W+ TDP as this chip is ultimately an HX design and some form of tuning such as PBO and CO will be available for consumers to play around with. The standard HX chip features a TDP of 55-75W+.

AMD Ryzen 9 7945HX3D CPU Performance

The performance of the CPU was tested on the ASUS ROG Strix G733PYV (ROG STRIX SCAR 17 X3D) laptop which is the only officially announced product to feature the 3D V-Cache CPU.  In Geekbench 6, the chip scores 2783 points in single-core and 16,080 points in multi-core tests which is a tad bit slower than the standard 7945HX chip but in Geekbench 5, the CPU cores 2146 points in single and 20,074 points in multi-core tests which puts it on par with its non-3D V-Cache sibling.

amd-ryzen-9-7945hx3d-3d-v-cache-cpu-geekbench-6-benchmark-_1
amd-ryzen-9-7945hx3d-3d-v-cache-cpu-geekbench-5-benchmark-_1

The first score might've been affected due to the "Performance" profile whereas the other tests used the "Turbo" profile while running the same benchmark. This is apparent from the core clock log file which reports the chip boosting up to 5.3 GHz in Geekbench 6 and up to 5.4 GHz within the Geekbench 5 benchmark.

Geekbench 6 (Higher is Better)
Multi-Thread
Single-Thread
0
5000
10000
15000
20000
25000
30000
0
5000
10000
15000
20000
25000
30000
Core i9-13900K
20k
3k
Ryzen 9 7950X
19.9k
2.9k
Ryzen 9 7950X3D
19.6k
2.9k
Ryzen 9 7900X
19.1k
2.8k
Core i7-13700K
17.5k
2.8k
Ryzen 9 7900X3D
17.4k
2.8k
Core i9-12900KS
17.3k
2.7k
Core i9-13900HX
17k
2.8k
Ryzen 9 7945HX3D
16.2k
2.8k
Ryzen 9 7945HX
16.1k
2.7k
Ryzen 9 7800X3D
15.3k
2.7k
Geekbench 5 (Higher is Better)
Multi-Thread
Single-Thread
0
5000
10000
15000
20000
25000
30000
0
5000
10000
15000
20000
25000
30000
Core i9-13900K
28.5k
2.4k
Ryzen 9 7950X
25.5k
2.3k
Ryzen 9 7950X3D
23.5k
2.2k
Core i9-13900HX
22k
2.2k
Ryzen 9 7900X
21.5k
2.3k
Core i7-13700K
20.5k
2.2k
Ryzen 9 7900X3D
21k
2.2k
Core i9-12900KS
21k
2.2k
Ryzen 9 7945HX3D
20.1k
2k
Ryzen 9 7945HX
20k
2k
Ryzen 9 7800X3D
15.3k
2k

The following benchmark also gives us a comparison of both the 7945HX3D & the 7945HX running on the same ASUS laptop with the same power profiles and memory configuration. You can clearly see that the X3D part is slightly ahead.

Image Source: Geekbench

These high-end 3D V-Cache boosted Dragon Range CPUs will definitely give Intel Raptor Lake-HX and the upcoming 14th-gen refresh parts a run for their money, offering amazing gaming performance and efficient operation versus the very power-hungry chips from the blue team.

AMD Ryzen 7045 "Dragon Range" Laptop CPUs:

CPU NameFamilyProcess NodeArchitectureCores / ThreadsBase / Boost ClockL3 CacheiGPUiGPU ClockTDP
AMD Ryzen 9 7945HX3DDragon Range-H5nmZen 416/322.3 / 5.4 GHz128 MBRadeon 610M (RDNA 2 2 CU)400 MHz55W+
AMD Ryzen 9 7945HXDragon Range-H5nmZen 416/322.5 / 5.4 GHz64 MBRadeon 610M (RDNA 2 2 CU)400 MHz55-75W+
AMD Ryzen 9 7845HXDragon Range-H5nmZen 412/243.0 / 5.2 GHz64 MBRadeon 610M (RDNA 2 2 CU)400 MHz45-75W+
AMD Ryzen 7 7745HXDragon Range-H5nmZen 48/163.6 / 5.1 GHz32 MBRadeon 610M (RDNA 2 2 CU)400 MHz45-75W+
AMD Ryzen 7 7645HXDragon Range-H5nmZen 46/124.0 / 5.0 GHz32 MBRadeon 610M (RDNA 2 2 CU)400 MHz45-75W+
Written by Hassan Mujtaba

WccftechContinue reading/original-link]

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