AMD Ryzen 9 7945HX3D vs Intel Core i7-5557U

Last updated: 2024-04-16

CPU comparison with benchmarks


AMD Ryzen 9 7945HX3D		Intel Core i7-5557U
CPU comparison AMD Ryzen 9 7945HX3D or Intel Core i7-5557U - 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 AMD Ryzen 9 7945HX3D has 16 cores with 32 threads and clocks with a maximum frequency of 5.40 GHz. Up to 64 GB of memory is supported in 2 memory channels. The AMD Ryzen 9 7945HX3D was released in Q3/2023. The Intel Core i7-5557U has 2 cores with 4 threads and clocks with a maximum frequency of 3.40 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core i7-5557U was released in Q1/2015.

AMD Ryzen 9 (35)	Family	Intel Core i7 (298)
AMD Ryzen 7045 (6)	CPU group	Intel Core i 5000U (16)
6	Generation	5
Dragon Range (Zen 4)	Architecture	Broadwell U
Mobile	Segment	Mobile
--	Predecessor	--
--	Successor	Intel Core i7-6567U

CPU Cores and Base Frequency The AMD Ryzen 9 7945HX3D has 16 CPU cores and can calculate 32 threads in parallel. The clock frequency of the AMD Ryzen 9 7945HX3D is 2.30 GHz (5.40 GHz) while the Intel Core i7-5557U has 2 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Core i7-5557U is at 3.10 GHz (3.40 GHz).
AMD Ryzen 9 7945HX3D	Characteristic	Intel Core i7-5557U
16	Cores	2
32	Threads	4
normal	Core architecture	normal
Yes	Hyperthreading	Yes
No	Overclocking ?	No
2.30 GHz	Frequency	3.10 GHz
5.40 GHz	Turbo Frequency (1 Core)	3.40 GHz
--	Turbo Frequency (All Cores)	3.40 GHz

Artificial Intelligence and Machine Learning Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.
AMD Ryzen 9 7945HX3D	Characteristic	Intel Core i7-5557U
--	AI hardware	--
--	AI specifications	--

Internal Graphics The AMD Ryzen 9 7945HX3D or Intel Core i7-5557U has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
AMD Radeon 610M	GPU	Intel Iris Graphics 6100
0.40 GHz	GPU frequency	0.30 GHz
2.20 GHz	GPU (Turbo)	1.10 GHz
9	GPU Generation	8
6 nm	Technology	14 nm
3	Max. displays	3
2	Compute units	48
128	Shader	384
Yes	Hardware Raytracing	No
No	Frame Generation	No
8 GB	Max. GPU Memory	16 GB
12	DirectX Version	11.2

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.
AMD Radeon 610M	GPU	Intel Iris Graphics 6100
Decode / Encode	Codec h265 / HEVC (8 bit)	No
Decode / Encode	Codec h265 / HEVC (10 bit)	No
Decode / Encode	Codec h264	Decode / Encode
Decode / Encode	Codec VP9	No
Decode / Encode	Codec VP8	Decode
Decode	Codec AV1	No
Decode / Encode	Codec AVC	Decode / Encode
Decode	Codec VC-1	Decode
Decode / Encode	Codec JPEG	Decode

Memory & PCIe The AMD Ryzen 9 7945HX3D can use up to 64 GB of memory in 2 memory channels. The maximum memory bandwidth is 83.2 GB/s. The Intel Core i7-5557U supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 29.9 GB/s.
AMD Ryzen 9 7945HX3D	Characteristic	Intel Core i7-5557U
DDR5-5200	Memory	DDR3-1866
64 GB	Max. Memory	16 GB
2 (Dual Channel)	Memory channels	2 (Dual Channel)
83.2 GB/s	Max. Bandwidth	29.9 GB/s
No	ECC	No
16.00 MB	L2 Cache	--
128.00 MB	L3 Cache	4.00 MB
5.0	PCIe version	2.0
28	PCIe lanes	12
110.3 GB/s	PCIe Bandwidth	6.0 GB/s
Thermal Management The thermal design power (TDP for short) of the AMD Ryzen 9 7945HX3D is 55 W, while the Intel Core i7-5557U has a TDP of 28 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
AMD Ryzen 9 7945HX3D	Characteristic	Intel Core i7-5557U
55 W	TDP (PL1 / PBP)	28 W
--	TDP (PL2)	--
75 W	TDP up	--
--	TDP down	--
89 °C	Tjunction max.	--
Technical details The AMD Ryzen 9 7945HX3D is manufactured in 5 nm and has 144.00 MB cache. The Intel Core i7-5557U is manufactured in 14 nm and has a 4.00 MB cache.
AMD Ryzen 9 7945HX3D	Characteristic	Intel Core i7-5557U
5 nm	Technology	14 nm
Chiplet	Chip design	Monolithic
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512	ISA extensions	SSE4.1, SSE4.2, AVX2
FL1	Socket	BGA 1168
AMD-V, SVM	Virtualization	VT-x, VT-x EPT, VT-d
Yes	AES-NI	Yes
Windows 10, Windows 11, Linux	Operating systems	Windows 10, Linux
Q3/2023	Release date	Q1/2015
--	Release price	--

show more data		show more data

AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz (5.40 GHz) buy now on Amazon and save! Intel Core i7-5557U 2C 4T @ 3.10 GHz (3.40 GHz) buy now on Amazon and save!

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Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks

AMD Ryzen 9 7945HX3D (100%)

Intel Core i7-5557U (39%)

⌀ Multi core performance in 3 CPU benchmarks

AMD Ryzen 9 7945HX3D (100%)

Intel Core i7-5557U (10%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 5.40 GHz	2138 (100%)
	Intel Core i7-5557U 2C 4T @ 3.40 GHz	754 (35%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz	19880 (100%)
	Intel Core i7-5557U 2C 4T @ 3.40 GHz	1823 (9%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 5.40 GHz	2783 (100%)
	Intel Core i7-5557U 2C 4T @ 3.40 GHz	1047 (38%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz	16080 (100%)
	Intel Core i7-5557U 2C 4T @ 3.40 GHz	2187 (14%)

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.


	AMD Ryzen 9 7945HX3D AMD Radeon 610M @ 2.20 GHz	443 (52%)
	Intel Core i7-5557U Intel Iris Graphics 6100 @ 1.10 GHz	845 (100%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 5.40 GHz	310 (100%)
	Intel Core i7-5557U 2C 4T @ 3.40 GHz	139 (45%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz	5602 (100%)
	Intel Core i7-5557U 2C 4T @ 3.40 GHz	360 (6%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 5.40 GHz	1931 (100%)
	Intel Core i7-5557U 2C 4T @ 3.40 GHz	0 (0%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz	33450 (100%)
	Intel Core i7-5557U 2C 4T @ 3.40 GHz	0 (0%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 5.40 GHz	747 (100%)
	Intel Core i7-5557U 2C 4T @ 3.40 GHz	0 (0%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz	13036 (100%)
	Intel Core i7-5557U 2C 4T @ 3.40 GHz	0 (0%)

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.


	AMD Ryzen 9 7945HX3D 16C 32T @ 2.30 GHz	0 (0%)
	Intel Core i7-5557U 2C 4T @ 3.40 GHz	3201 (100%)

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.


	AMD Ryzen 9 7945HX3D 33,450 CB R23 MC @ 104 W	322 (100%)
	Intel Core i7-5557U 3.10 GHz	0 (0%)

Devices using this processor
AMD Ryzen 9 7945HX3D	Intel Core i7-5557U
ASUS ROG Strix SCAR 17 X3D	Unknown

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