Intel Core Ultra 7 155H vs AMD Ryzen 9 7945HX3D

Last updated: 2024-03-22

CPU comparison with benchmarks


Intel Core Ultra 7 155H		AMD Ryzen 9 7945HX3D
CPU comparison Intel Core Ultra 7 155H or AMD Ryzen 9 7945HX3D - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results. The Intel Core Ultra 7 155H has 16 cores with 22 threads and clocks with a maximum frequency of 4.80 GHz. Up to 96 GB of memory is supported in 2 memory channels. The Intel Core Ultra 7 155H was released in Q4/2023. The AMD Ryzen 9 7945HX3D has 16 cores with 32 threads and clocks with a maximum frequency of 5.40 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The AMD Ryzen 9 7945HX3D was released in Q3/2023.

Intel Core Ultra 7 (10)	Family	AMD Ryzen 9 (40)
Intel Core Ultra 100H (5)	CPU group	AMD Ryzen 7045 (6)
1	Generation	6
Meteor Lake H	Architecture	Dragon Range (Zen 4)
Mobile	Segment	Mobile
--	Predecessor	--
--	Successor	--

CPU Cores and Base Frequency The Intel Core Ultra 7 155H is a 16 core processor with a clock frequency of 1.40 GHz (4.80 GHz). The AMD Ryzen 9 7945HX3D has 16 CPU cores with a clock frequency of 2.30 GHz (5.40 GHz).
Intel Core Ultra 7 155H	Characteristic	AMD Ryzen 9 7945HX3D
16	Cores	16
22	Threads	32
hybrid (big.LITTLE)	Core architecture	normal
Yes	Hyperthreading	Yes
No	Overclocking ?	No
1.40 GHz (4.80 GHz) 6x Redwood Cove	A-Core	2.30 GHz (5.40 GHz) 16x Zen 4
0.90 GHz (3.80 GHz) 8x Crestmont	B-Core	--
0.70 GHz (2.50 GHz) 2x Crestmont	C-Core	--

NPU AI performance The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.
Intel Core Ultra 7 155H	Characteristic	AMD Ryzen 9 7945HX3D
Intel® AI Boost	AI hardware	--
Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT)	AI specifications	--
--	NPU + CPU + iGPU	--

Integrated graphics (iGPU) The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.
Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake)	GPU	AMD Radeon 610M
0.60 GHz	GPU frequency	0.40 GHz
2.25 GHz	GPU (Turbo)	2.20 GHz
--	GPU Generation	9
5 nm	Technology	6 nm
4	Max. displays	3
128	Compute units	2
1024	Shader	128
Yes	Hardware Raytracing	Yes
No	Frame Generation	No
32 GB	Max. GPU Memory	8 GB
12.2	DirectX Version	12

Hardware codec support A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake)	GPU	AMD Radeon 610M
Decode / Encode	Codec h265 / HEVC (8 bit)	Decode / Encode
Decode / Encode	Codec h265 / HEVC (10 bit)	Decode / Encode
Decode / Encode	Codec h264	Decode / Encode
Decode	Codec VP9	Decode / Encode
Decode	Codec VP8	Decode / Encode
Decode / Encode	Codec AV1	Decode
Decode / Encode	Codec AVC	Decode / Encode
Decode	Codec VC-1	Decode
Decode / Encode	Codec JPEG	Decode / Encode

Memory & PCIe The Intel Core Ultra 7 155H supports a maximum of 96 GB of memory in 2 memory channels. The AMD Ryzen 9 7945HX3D can connect up to 64 GB of memory in 2 memory channels.
Intel Core Ultra 7 155H	Characteristic	AMD Ryzen 9 7945HX3D
LPDDR5X-7500, DDR5-5600	Memory	DDR5-5200
96 GB	Max. Memory	64 GB
2 (Dual Channel)	Memory channels	2 (Dual Channel)
120.0 GB/s	Max. Bandwidth	83.2 GB/s
No	ECC	No
18.00 MB	L2 Cache	16.00 MB
24.00 MB	L3 Cache	128.00 MB
5.0	PCIe version	5.0
20	PCIe lanes	28
78.8 GB/s	PCIe Bandwidth	110.3 GB/s
Thermal Management The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core Ultra 7 155H has a TDP of 28 W, that of the AMD Ryzen 9 7945HX3D is 55 W.
Intel Core Ultra 7 155H	Characteristic	AMD Ryzen 9 7945HX3D
28 W	TDP (PL1 / PBP)	55 W
115 W	TDP (PL2)	--
65 W	TDP up	75 W
20 W	TDP down	--
110 °C	Tjunction max.	89 °C
Technical details The Intel Core Ultra 7 155H has a 42.00 MB cache, while the AMD Ryzen 9 7945HX3D cache has a total of 144.00 MB.

Intel Core Ultra 7 155H	Characteristic	AMD Ryzen 9 7945HX3D
7 nm	Technology	5 nm
Chiplet	Chip design	Chiplet
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2	ISA extensions	SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
BGA 2049	Socket	FL1
VT-x, VT-x EPT, VT-d	Virtualization	AMD-V, SVM
Yes	AES-NI	Yes
Windows 11, Linux	Operating systems	Windows 10, Windows 11, Linux
Q4/2023	Release date	Q3/2023
--	Release price	--

show more data		show more data

Intel Core Ultra 7 155H 16C 22T @ 1.40 GHz (4.80 GHz) buy now on Amazon and save! AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz (5.40 GHz) buy now on Amazon and save!

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Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks

Intel Core Ultra 7 155H (85%)

AMD Ryzen 9 7945HX3D (100%)

⌀ Multi core performance in 3 CPU benchmarks

Intel Core Ultra 7 155H (63%)

AMD Ryzen 9 7945HX3D (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	Intel Core Ultra 7 155H 16C 22T @ 4.80 GHz	1761 (91%)
	AMD Ryzen 9 7945HX3D 16C 32T @ 5.40 GHz	1931 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	Intel Core Ultra 7 155H 16C 22T @ 4.20 GHz	16825 (50%)
	AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz	33450 (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	Intel Core Ultra 7 155H 16C 22T @ 4.80 GHz	1746 (82%)
	AMD Ryzen 9 7945HX3D 16C 32T @ 5.40 GHz	2138 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	Intel Core Ultra 7 155H 16C 22T @ 4.20 GHz	11878 (60%)
	AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz	19880 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.


	Intel Core Ultra 7 155H 16C 22T @ 4.80 GHz	2294 (82%)
	AMD Ryzen 9 7945HX3D 16C 32T @ 5.40 GHz	2783 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.


	Intel Core Ultra 7 155H 16C 22T @ 4.20 GHz	12749 (79%)
	AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz	16080 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.


	Intel Core Ultra 7 155H Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake) @ 2.25 GHz	4460 (100%)
	AMD Ryzen 9 7945HX3D AMD Radeon 610M @ 2.20 GHz	443 (10%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.


	Intel Core Ultra 7 155H 16,825 CB R23 MC @ 75 W	224 (70%)
	AMD Ryzen 9 7945HX3D 33,450 CB R23 MC @ 104 W	322 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	Intel Core Ultra 7 155H 16C 22T @ 4.80 GHz	0 (0%)
	AMD Ryzen 9 7945HX3D 16C 32T @ 5.40 GHz	747 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	Intel Core Ultra 7 155H 16C 22T @ 4.20 GHz	0 (0%)
	AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz	13036 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.


	Intel Core Ultra 7 155H 16C 22T @ 4.20 GHz	24916 (100%)
	AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz	0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	Intel Core Ultra 7 155H 16C 22T @ 4.80 GHz	0 (0%)
	AMD Ryzen 9 7945HX3D 16C 32T @ 5.40 GHz	310 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	Intel Core Ultra 7 155H 16C 22T @ 4.20 GHz	0 (0%)
	AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz	5602 (100%)

Devices using this processor
Intel Core Ultra 7 155H	AMD Ryzen 9 7945HX3D
ASUS Zenbook Duo (2024) UX8406	ASUS ROG Strix SCAR 17 X3D

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