Intel Core i7-5820K vs AMD FX-8350

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CPU comparison with benchmarks


Intel Core i7-5820K CPU1 vs CPU2 AMD FX-8350
Intel Core i7-5820K AMD FX-8350

CPU comparison

Intel Core i7-5820K or AMD FX-8350 - 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 i7-5820K has 6 cores with 12 threads and clocks with a maximum frequency of 3.60 GHz. Up to 64 GB of memory is supported in 4 memory channels. The Intel Core i7-5820K was released in Q3/2014.

The AMD FX-8350 has 8 cores with 8 threads and clocks with a maximum frequency of 4.20 GHz. The CPU supports up to GB of memory in 2 memory channels. The AMD FX-8350 was released in Q4/2012.
Intel Core i7 Extreme Edition (24) Family AMD FX (30)
Intel Core i 5000X (3) CPU group AMD FX-8000 (11)
5 Generation 2
Haswell E Architecture Vishera (Bulldozer)
Desktop / Server Segment Desktop / Server
Intel Core i7-4820K Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i7-5820K has 6 CPU cores and can calculate 12 threads in parallel. The clock frequency of the Intel Core i7-5820K is 3.30 GHz (3.60 GHz) while the AMD FX-8350 has 8 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the AMD FX-8350 is at 4.00 GHz (4.20 GHz).

Intel Core i7-5820K Characteristic AMD FX-8350
6 Cores 8
12 Threads 8
normal Core architecture normal
Yes Hyperthreading No
Yes Overclocking ? Yes
3.30 GHz Frequency 4.00 GHz
3.60 GHz Turbo Frequency (1 Core) 4.20 GHz
3.40 GHz Turbo Frequency (All Cores) 4.10 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 i7-5820K Characteristic AMD FX-8350
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Core i7-5820K or AMD FX-8350 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 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 Intel Core i7-5820K can use up to 64 GB of memory in 4 memory channels. The maximum memory bandwidth is 68.2 GB/s. The AMD FX-8350 supports up to GB of memory in 2 memory channels and achieves a memory bandwidth of up to --.

Intel Core i7-5820K Characteristic AMD FX-8350
DDR4-2133 Memory
64 GB Max. Memory
4 (Quad Channel) Memory channels 2 (Dual Channel)
68.2 GB/s Max. Bandwidth --
No ECC Yes
-- L2 Cache --
15.00 MB L3 Cache 8.00 MB
3.0 PCIe version --
28 PCIe lanes --
27.6 GB/s PCIe Bandwidth --

Thermal Management

The thermal design power (TDP for short) of the Intel Core i7-5820K is 140 W, while the AMD FX-8350 has a TDP of 125 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Core i7-5820K Characteristic AMD FX-8350
140 W TDP (PL1 / PBP) 125 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Core i7-5820K is manufactured in 22 nm and has 15.00 MB cache. The AMD FX-8350 is manufactured in 32 nm and has a 8.00 MB cache.

Intel Core i7-5820K Characteristic AMD FX-8350
22 nm Technology 32 nm
Monolithic Chip design Unknown
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX, FMA3, FMA4
LGA 2011-3 Socket AM3+
VT-x, VT-x EPT, VT-d Virtualization AMD-V
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q3/2014 Release date Q4/2012
499 $ Release price 170 $
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.
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.60 GHz
795 (100%)
AMD FX-8350 AMD FX-8350
8C 8T @ 4.20 GHz
579 (73%)

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 i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
5700 (100%)
AMD FX-8350 AMD FX-8350
8C 8T @ 4.10 GHz
3803 (67%)

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 i7-5820K Intel Core i7-5820K
6C 12T @ 3.60 GHz
923 (100%)
AMD FX-8350 AMD FX-8350
8C 8T @ 4.20 GHz
573 (62%)

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 i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
5537 (100%)
AMD FX-8350 AMD FX-8350
8C 8T @ 4.10 GHz
2777 (50%)

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 i7-5820K Intel Core i7-5820K
6C 12T @ 3.60 GHz
1086 (100%)
AMD FX-8350 AMD FX-8350
8C 8T @ 4.20 GHz
576 (53%)

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 i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
5763 (100%)
AMD FX-8350 AMD FX-8350
8C 8T @ 4.10 GHz
2361 (41%)

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 i7-5820K Intel Core i7-5820K
6C 12T @ 3.60 GHz
329 (100%)
AMD FX-8350 AMD FX-8350
8C 8T @ 4.20 GHz
209 (64%)

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 i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
2301 (100%)
AMD FX-8350 AMD FX-8350
8C 8T @ 4.10 GHz
1298 (56%)

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.
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
88 (100%)
AMD FX-8350 AMD FX-8350
8C 8T @ 4.10 GHz
45 (51%)

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 i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
9854 (100%)
AMD FX-8350 AMD FX-8350
8C 8T @ 4.10 GHz
5992 (61%)

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.
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
331.7 (48%)
AMD FX-8350 AMD FX-8350
8C 8T @ 4.10 GHz
691.3 (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.
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.30 GHz
2849 (100%)
AMD FX-8350 AMD FX-8350
8C 8T @ 4.00 GHz
1543 (54%)

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 i7-5820K Intel Core i7-5820K
6C 12T @ 3.60 GHz
139 (100%)
AMD FX-8350 AMD FX-8350
8C 8T @ 4.20 GHz
96 (69%)

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 i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
1085 (100%)
AMD FX-8350 AMD FX-8350
8C 8T @ 4.10 GHz
665 (61%)

CPU-Z Benchmark 17 (Single-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.
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
0 (0%)
AMD FX-8350 AMD FX-8350
8C 8T @ 4.10 GHz
241 (100%)

Devices using this processor

Intel Core i7-5820K AMD FX-8350
Unknown Unknown

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