AMD Ryzen 7 1800X vs Intel Core i7-5820K

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CPU comparison with benchmarks


AMD Ryzen 7 1800X CPU1 vs CPU2 Intel Core i7-5820K
AMD Ryzen 7 1800X Intel Core i7-5820K

CPU comparison

AMD Ryzen 7 1800X or Intel Core i7-5820K - 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 7 1800X has 8 cores with 16 threads and clocks with a maximum frequency of 4.00 GHz. Up to 64 GB of memory is supported in 2 memory channels. The AMD Ryzen 7 1800X was released in Q1/2017.

The Intel Core i7-5820K has 6 cores with 12 threads and clocks with a maximum frequency of 3.60 GHz. The CPU supports up to 64 GB of memory in 4 memory channels. The Intel Core i7-5820K was released in Q3/2014.
AMD Ryzen 7 (63) Family Intel Core i7 Extreme Edition (24)
AMD Ryzen 1000 (15) CPU group Intel Core i 5000X (3)
1 Generation 5
Summit Ridge (Zen) Architecture Haswell E
Desktop / Server Segment Desktop / Server
-- Predecessor Intel Core i7-4820K
-- Successor --

CPU Cores and Base Frequency

The AMD Ryzen 7 1800X is a 8 core processor with a clock frequency of 3.60 GHz (4.00 GHz). The Intel Core i7-5820K has 6 CPU cores with a clock frequency of 3.30 GHz (3.60 GHz).

AMD Ryzen 7 1800X Characteristic Intel Core i7-5820K
8 Cores 6
16 Threads 12
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? Yes
3.60 GHz Frequency 3.30 GHz
4.00 GHz Turbo Frequency (1 Core) 3.60 GHz
3.80 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 7 1800X Characteristic Intel Core i7-5820K
-- 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 no iGPU
GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
Technology
Max. displays
-- Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
-- DirectX Version --

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 no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The AMD Ryzen 7 1800X supports a maximum of 64 GB of memory in 2 memory channels. The Intel Core i7-5820K can connect up to 64 GB of memory in 4 memory channels.

AMD Ryzen 7 1800X Characteristic Intel Core i7-5820K
DDR4-2666 Memory DDR4-2133
64 GB Max. Memory 64 GB
2 (Dual Channel) Memory channels 4 (Quad Channel)
42.7 GB/s Max. Bandwidth 68.2 GB/s
Yes ECC No
-- L2 Cache --
16.00 MB L3 Cache 15.00 MB
3.0 PCIe version 3.0
20 PCIe lanes 28
19.7 GB/s PCIe Bandwidth 27.6 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 7 1800X has a TDP of 95 W, that of the Intel Core i7-5820K is 140 W.

AMD Ryzen 7 1800X Characteristic Intel Core i7-5820K
95 W TDP (PL1 / PBP) 140 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
95 °C Tjunction max. --

Technical details

The AMD Ryzen 7 1800X has a 16.00 MB cache, while the Intel Core i7-5820K cache has a total of 15.00 MB.

AMD Ryzen 7 1800X Characteristic Intel Core i7-5820K
14 nm Technology 22 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions SSE4.1, SSE4.2, AVX2
AM4 (PGA 1331) Socket LGA 2011-3
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q1/2017 Release date Q3/2014
450 $ Release price 499 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 5 CPU benchmarks
⌀ Multi core performance in 9 CPU benchmarks

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 7 1800X AMD Ryzen 7 1800X
8C 16T @ 4.00 GHz
969 (100%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.60 GHz
795 (82%)

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 7 1800X AMD Ryzen 7 1800X
8C 16T @ 3.80 GHz
9314 (100%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
5700 (61%)

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 7 1800X AMD Ryzen 7 1800X
8C 16T @ 4.00 GHz
932 (100%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.60 GHz
923 (99%)

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 7 1800X AMD Ryzen 7 1800X
8C 16T @ 3.80 GHz
6344 (100%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
5537 (87%)

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 7 1800X AMD Ryzen 7 1800X
8C 16T @ 4.00 GHz
1167 (100%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.60 GHz
1086 (93%)

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 7 1800X AMD Ryzen 7 1800X
8C 16T @ 3.80 GHz
5932 (100%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
5763 (97%)

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 7 1800X AMD Ryzen 7 1800X
8C 16T @ 4.00 GHz
381 (100%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.60 GHz
329 (86%)

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 7 1800X AMD Ryzen 7 1800X
8C 16T @ 3.80 GHz
3587 (100%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
2301 (64%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
AMD Ryzen 7 1800X AMD Ryzen 7 1800X
8C 16T @ 3.80 GHz
141 (100%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
88 (62%)

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 7 1800X AMD Ryzen 7 1800X
8C 16T @ 3.80 GHz
16325 (100%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
9854 (60%)

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 Ryzen 7 1800X AMD Ryzen 7 1800X
8C 16T @ 3.80 GHz
241.2 (73%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
331.7 (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 Ryzen 7 1800X AMD Ryzen 7 1800X
8C 16T @ 3.60 GHz
4529 (100%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.30 GHz
2849 (63%)

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 7 1800X AMD Ryzen 7 1800X
8C 16T @ 4.00 GHz
163 (100%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.60 GHz
139 (85%)

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 7 1800X AMD Ryzen 7 1800X
8C 16T @ 3.80 GHz
1617 (100%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
1085 (67%)

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 Ryzen 7 1800X AMD Ryzen 7 1800X
8C 16T @ 4.00 GHz
60 (100%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.60 GHz
0 (0%)

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 Ryzen 7 1800X AMD Ryzen 7 1800X
8C 16T @ 4.00 GHz
545 (100%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.60 GHz
0 (0%)

Devices using this processor

AMD Ryzen 7 1800X Intel Core i7-5820K
Unknown Unknown

News and articles for the AMD Ryzen 7 1800X and the Intel Core i7-5820K


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