Intel Core i9-9940X vs AMD A6-4455M

Last updated: 2024-04-16

CPU comparison with benchmarks


Intel Core i9-9940X		AMD A6-4455M
CPU comparison Intel Core i9-9940X or AMD A6-4455M - 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 i9-9940X has 14 cores with 28 threads and clocks with a maximum frequency of 4.50 GHz. Up to 128 GB of memory is supported in 4 memory channels. The Intel Core i9-9940X was released in Q4/2018. The AMD A6-4455M has 2 cores with 2 threads and clocks with a maximum frequency of 2.60 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD A6-4455M was released in Q2/2012.

Intel Core i9 (78)	Family	AMD A (112)
Intel Core i 9000X (8)	CPU group	AMD A6-4000M (2)
9	Generation	2
Skylake X Refresh	Architecture	Trinity (Piledriver)
Desktop / Server	Segment	Mobile
Intel Core i9-7940X	Predecessor	--
--	Successor	--

CPU Cores and Base Frequency The Intel Core i9-9940X is a 14 core processor with a clock frequency of 3.30 GHz (4.50 GHz). The AMD A6-4455M has 2 CPU cores with a clock frequency of 2.10 GHz (2.60 GHz).
Intel Core i9-9940X	Characteristic	AMD A6-4455M
14	Cores	2
28	Threads	2
normal	Core architecture	normal
Yes	Hyperthreading	No
Yes	Overclocking ?	No
3.30 GHz	Frequency	2.10 GHz
4.50 GHz	Turbo Frequency (1 Core)	2.60 GHz
4.20 GHz	Turbo Frequency (All Cores)	2.60 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.
Intel Core i9-9940X	Characteristic	AMD A6-4455M
--	AI hardware	--
--	AI specifications	--

Internal Graphics 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.
no iGPU	GPU	AMD Radeon HD 7500G
	GPU frequency	0.33 GHz
--	GPU (Turbo)	0.43 GHz
--	GPU Generation	4
	Technology	32 nm
	Max. displays	2
--	Compute units	4
--	Shader	256
No	Hardware Raytracing	No
No	Frame Generation	No
--	Max. GPU Memory	1 GB
--	DirectX Version	11

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 HD 7500G
No	Codec h265 / HEVC (8 bit)	No
No	Codec h265 / HEVC (10 bit)	No
No	Codec h264	Decode
No	Codec VP9	No
No	Codec VP8	No
No	Codec AV1	No
No	Codec AVC	Decode
No	Codec VC-1	Decode
No	Codec JPEG	Decode / Encode

Memory & PCIe The Intel Core i9-9940X supports a maximum of 128 GB of memory in 4 memory channels. The AMD A6-4455M can connect up to GB of memory in 2 memory channels.
Intel Core i9-9940X	Characteristic	AMD A6-4455M
DDR4-2666	Memory	DDR3-1333
128 GB	Max. Memory
4 (Quad Channel)	Memory channels	2 (Dual Channel)
85.4 GB/s	Max. Bandwidth	21.3 GB/s
No	ECC	No
--	L2 Cache	--
19.00 MB	L3 Cache	2.00 MB
3.0	PCIe version	--
44	PCIe lanes	--
43.3 GB/s	PCIe Bandwidth	--
Thermal Management The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i9-9940X has a TDP of 165 W, that of the AMD A6-4455M is 17 W.
Intel Core i9-9940X	Characteristic	AMD A6-4455M
165 W	TDP (PL1 / PBP)	17 W
--	TDP (PL2)	--
--	TDP up	--
--	TDP down	--
92 °C	Tjunction max.	--
Technical details The Intel Core i9-9940X has a 19.00 MB cache, while the AMD A6-4455M cache has a total of 2.00 MB.
Intel Core i9-9940X	Characteristic	AMD A6-4455M
14 nm	Technology	32 nm
Monolithic	Chip design	Unknown
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX-512	ISA extensions	SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
LGA 2066	Socket	FP2
VT-x, VT-x EPT, VT-d	Virtualization	AMD-V
Yes	AES-NI	Yes
Windows 10, Windows 11, Linux	Operating systems
Q4/2018	Release date	Q2/2012
1387 $	Release price	--

show more data		show more data

Intel Core i9-9940X 14C 28T @ 3.30 GHz (4.50 GHz) buy now on Amazon and save! AMD A6-4455M 2C 2T @ 2.10 GHz (2.60 GHz) buy now on Amazon and save!

Rate these processors

Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks

Intel Core i9-9940X (100%)

AMD A6-4455M (24%)

⌀ Multi core performance in 2 CPU benchmarks

Intel Core i9-9940X (100%)

AMD A6-4455M (4%)

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 i9-9940X 14C 28T @ 4.50 GHz	1174 (100%)
	AMD A6-4455M 2C 2T @ 2.60 GHz	283 (24%)

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 i9-9940X 14C 28T @ 4.20 GHz	13946 (100%)
	AMD A6-4455M 2C 2T @ 2.60 GHz	413 (3%)

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 i9-9940X 14C 28T @ 4.20 GHz	28390 (100%)
	AMD A6-4455M 2C 2T @ 2.60 GHz	1293 (5%)

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 i9-9940X 14C 28T @ 4.50 GHz	1459 (100%)
	AMD A6-4455M 2C 2T @ 2.60 GHz	0 (0%)

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 i9-9940X 14C 28T @ 4.20 GHz	10820 (100%)
	AMD A6-4455M 2C 2T @ 2.60 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.


	Intel Core i9-9940X 14C 28T @ 4.50 GHz	457 (100%)
	AMD A6-4455M 2C 2T @ 2.60 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.


	Intel Core i9-9940X 14C 28T @ 4.20 GHz	5912 (100%)
	AMD A6-4455M 2C 2T @ 2.60 GHz	0 (0%)

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 i9-9940X @ 0.00 GHz	0 (0%)
	AMD A6-4455M AMD Radeon HD 7500G @ 0.43 GHz	217 (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.


	Intel Core i9-9940X 14C 28T @ 4.50 GHz	197 (100%)
	AMD A6-4455M 2C 2T @ 2.60 GHz	0 (0%)

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 i9-9940X 14C 28T @ 4.20 GHz	2587 (100%)
	AMD A6-4455M 2C 2T @ 2.60 GHz	0 (0%)

Devices using this processor
Intel Core i9-9940X	AMD A6-4455M
Unknown	Unknown

Popular comparisons containing this CPUs


1.		Intel Core i9-10940X vs Intel Core i9-9940X
2.		Intel Core i9-9940X vs Intel Core i9-9900K
3.		Intel Xeon E5-2660 v3 vs AMD A6-4455M
4.		AMD A6-4455M vs AMD Phenom II X4 B97
5.		Intel Core i5-4210U vs AMD A6-4455M
6.		Intel Core i5-4200M vs AMD A6-4455M
7.		AMD A6-4455M vs Intel Celeron J1900
8.		Intel Core i3-4130 vs AMD A6-4455M
9.		AMD A6-4455M vs AMD Phenom II X2 B57
10.		Intel Core i9-9940X vs AMD Ryzen 9 3900X