AMD FX-8320E vs AMD Ryzen 9 7945HX

Last updated: 2024-04-12

CPU comparison with benchmarks


AMD FX-8320E		AMD Ryzen 9 7945HX
CPU comparison AMD FX-8320E or AMD Ryzen 9 7945HX - 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 FX-8320E has 8 cores with 8 threads and clocks with a maximum frequency of 4.00 GHz. Up to GB of memory is supported in 2 memory channels. The AMD FX-8320E was released in Q3/2014. The AMD Ryzen 9 7945HX has 16 cores with 32 threads and clocks with a maximum frequency of 5.40 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The AMD Ryzen 9 7945HX was released in Q1/2023.

AMD FX (30)	Family	AMD Ryzen 9 (35)
AMD FX-8000 (11)	CPU group	AMD Ryzen 7045 (6)
2	Generation	6
Vishera (Bulldozer)	Architecture	Dragon Range (Zen 4)
Desktop / Server	Segment	Mobile
--	Predecessor	--
--	Successor	--

CPU Cores and Base Frequency The AMD FX-8320E has 8 CPU cores and can calculate 8 threads in parallel. The clock frequency of the AMD FX-8320E is 3.20 GHz (4.00 GHz) while the AMD Ryzen 9 7945HX has 16 CPU cores and 32 threads can calculate simultaneously. The clock frequency of the AMD Ryzen 9 7945HX is at 2.50 GHz (5.40 GHz).
AMD FX-8320E	Characteristic	AMD Ryzen 9 7945HX
8	Cores	16
8	Threads	32
normal	Core architecture	normal
No	Hyperthreading	Yes
Yes	Overclocking ?	Yes
3.20 GHz	Frequency	2.50 GHz
4.00 GHz	Turbo Frequency (1 Core)	5.40 GHz
3.60 GHz	Turbo Frequency (All Cores)	--

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 FX-8320E	Characteristic	AMD Ryzen 9 7945HX
--	AI hardware	--
--	AI specifications	--

Internal Graphics The AMD FX-8320E or AMD Ryzen 9 7945HX 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.
no iGPU	GPU	AMD Radeon 610M
	GPU frequency	0.40 GHz
--	GPU (Turbo)	2.20 GHz
--	GPU Generation	9
	Technology	6 nm
	Max. displays	3
--	Compute units	2
--	Shader	128
No	Hardware Raytracing	Yes
No	Frame Generation	No
--	Max. GPU Memory	8 GB
--	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.
no iGPU	GPU	AMD Radeon 610M
No	Codec h265 / HEVC (8 bit)	Decode / Encode
No	Codec h265 / HEVC (10 bit)	Decode / Encode
No	Codec h264	Decode / Encode
No	Codec VP9	Decode / Encode
No	Codec VP8	Decode / Encode
No	Codec AV1	Decode
No	Codec AVC	Decode / Encode
No	Codec VC-1	Decode
No	Codec JPEG	Decode / Encode

Memory & PCIe The AMD FX-8320E can use up to GB of memory in 2 memory channels. The maximum memory bandwidth is 29.9 GB/s. The AMD Ryzen 9 7945HX supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 83.2 GB/s.
AMD FX-8320E	Characteristic	AMD Ryzen 9 7945HX
DDR3-1866	Memory	DDR5-5200
	Max. Memory	128 GB
2 (Dual Channel)	Memory channels	2 (Dual Channel)
29.9 GB/s	Max. Bandwidth	83.2 GB/s
Yes	ECC	Yes
--	L2 Cache	16.00 MB
8.00 MB	L3 Cache	64.00 MB
--	PCIe version	5.0
--	PCIe lanes	28
--	PCIe Bandwidth	110.3 GB/s
Thermal Management The thermal design power (TDP for short) of the AMD FX-8320E is 95 W, while the AMD Ryzen 9 7945HX has a TDP of 55 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.
AMD FX-8320E	Characteristic	AMD Ryzen 9 7945HX
95 W	TDP (PL1 / PBP)	55 W
--	TDP (PL2)	--
--	TDP up	75 W
--	TDP down	--
--	Tjunction max.	100 °C
Technical details The AMD FX-8320E is manufactured in 32 nm and has 8.00 MB cache. The AMD Ryzen 9 7945HX is manufactured in 5 nm and has a 80.00 MB cache.
AMD FX-8320E	Characteristic	AMD Ryzen 9 7945HX
32 nm	Technology	5 nm
Unknown	Chip design	Chiplet
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4.1, SSE4.2, AVX, FMA3, FMA4	ISA extensions	SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512
AM3+	Socket	FL1
AMD-V	Virtualization	AMD-V, SVM
Yes	AES-NI	Yes
Windows 10, Linux	Operating systems	Windows 10, Windows 11, Linux
Q3/2014	Release date	Q1/2023
125 $	Release price	--

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AMD FX-8320E 8C 8T @ 3.20 GHz (4.00 GHz) buy now on Amazon and save! AMD Ryzen 9 7945HX 16C 32T @ 2.50 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

AMD FX-8320E (26%)

AMD Ryzen 9 7945HX (100%)

⌀ Multi core performance in 4 CPU benchmarks

AMD FX-8320E (11%)

AMD Ryzen 9 7945HX (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.


	AMD FX-8320E 8C 8T @ 4.00 GHz	500 (23%)
	AMD Ryzen 9 7945HX 16C 32T @ 5.40 GHz	2130 (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.


	AMD FX-8320E 8C 8T @ 3.60 GHz	2269 (12%)
	AMD Ryzen 9 7945HX 16C 32T @ 2.50 GHz	19472 (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.


	AMD FX-8320E 8C 8T @ 4.00 GHz	188 (25%)
	AMD Ryzen 9 7945HX 16C 32T @ 5.40 GHz	758 (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.


	AMD FX-8320E 8C 8T @ 3.60 GHz	999 (8%)
	AMD Ryzen 9 7945HX 16C 32T @ 2.50 GHz	12914 (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.


	AMD FX-8320E 8C 8T @ 3.60 GHz	7960 (14%)
	AMD Ryzen 9 7945HX 16C 32T @ 2.50 GHz	58842 (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 FX-8320E 8C 8T @ 4.00 GHz	91 (29%)
	AMD Ryzen 9 7945HX 16C 32T @ 5.40 GHz	312 (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.


	AMD FX-8320E 8C 8T @ 3.60 GHz	584 (10%)
	AMD Ryzen 9 7945HX 16C 32T @ 2.50 GHz	5597 (100%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.


	AMD FX-8320E 8C 8T @ 4.00 GHz	0 (0%)
	AMD Ryzen 9 7945HX 16C 32T @ 5.40 GHz	114 (100%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.


	AMD FX-8320E 8C 8T @ 4.00 GHz	0 (0%)
	AMD Ryzen 9 7945HX 16C 32T @ 5.40 GHz	1669 (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.


	AMD FX-8320E 8C 8T @ 4.00 GHz	0 (0%)
	AMD Ryzen 9 7945HX 16C 32T @ 5.40 GHz	1955 (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.


	AMD FX-8320E 8C 8T @ 3.60 GHz	0 (0%)
	AMD Ryzen 9 7945HX 16C 32T @ 2.50 GHz	32788 (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.


	AMD FX-8320E 8C 8T @ 4.00 GHz	0 (0%)
	AMD Ryzen 9 7945HX 16C 32T @ 5.40 GHz	2774 (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.


	AMD FX-8320E 8C 8T @ 3.60 GHz	0 (0%)
	AMD Ryzen 9 7945HX 16C 32T @ 2.50 GHz	16214 (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.


	AMD FX-8320E @ 0.00 GHz	0 (0%)
	AMD Ryzen 9 7945HX AMD Radeon 610M @ 2.20 GHz	443 (100%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.


	AMD FX-8320E 8C 8T @ 3.60 GHz	0 (0%)
	AMD Ryzen 9 7945HX 16C 32T @ 2.50 GHz	94 (100%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.


	AMD FX-8320E 8C 8T @ 3.20 GHz	1235 (100%)
	AMD Ryzen 9 7945HX 16C 32T @ 2.50 GHz	0 (0%)

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 FX-8320E 3.20 GHz	0 (0%)
	AMD Ryzen 9 7945HX 32,788 CB R23 MC @ 134 W	245 (100%)

Devices using this processor
AMD FX-8320E	AMD Ryzen 9 7945HX
Unknown	Unknown

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