Intel Xeon E5-2620 v3 vs Intel Core i7-5820K

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CPU comparison with benchmarks


Intel Xeon E5-2620 v3 CPU1 vs CPU2 Intel Core i7-5820K
Intel Xeon E5-2620 v3 Intel Core i7-5820K

CPU comparison

Intel Xeon E5-2620 v3 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 Intel Xeon E5-2620 v3 has 6 cores with 12 threads and clocks with a maximum frequency of 3.20 GHz. Up to 768 GB of memory is supported in 4 memory channels. The Intel Xeon E5-2620 v3 was released in Q3/2014.

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.
Intel Xeon E5 (71) Family Intel Core i7 Extreme Edition (24)
Intel Xeon E5 v3 (32) CPU group Intel Core i 5000X (3)
5 Generation 5
Haswell E Architecture Haswell E
Desktop / Server Segment Desktop / Server
-- Predecessor Intel Core i7-4820K
Intel Xeon E5-2620 v4 Successor --

CPU Cores and Base Frequency

The Intel Xeon E5-2620 v3 is a 6 core processor with a clock frequency of 2.40 GHz (3.20 GHz). The Intel Core i7-5820K has 6 CPU cores with a clock frequency of 3.30 GHz (3.60 GHz).

Intel Xeon E5-2620 v3 Characteristic Intel Core i7-5820K
6 Cores 6
12 Threads 12
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? Yes
2.40 GHz Frequency 3.30 GHz
3.20 GHz Turbo Frequency (1 Core) 3.60 GHz
2.80 GHz Turbo Frequency (All Cores) 3.40 GHz

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Intel Xeon E5-2620 v3 Characteristic Intel Core i7-5820K
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

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 Intel Xeon E5-2620 v3 supports a maximum of 768 GB of memory in 4 memory channels. The Intel Core i7-5820K can connect up to 64 GB of memory in 4 memory channels.

Intel Xeon E5-2620 v3 Characteristic Intel Core i7-5820K
DDR4-2133 Memory DDR4-2133
768 GB Max. Memory 64 GB
4 (Quad Channel) Memory channels 4 (Quad Channel)
68.2 GB/s Max. Bandwidth 68.2 GB/s
Yes ECC No
-- L2 Cache --
15.00 MB L3 Cache 15.00 MB
3.0 PCIe version 3.0
40 PCIe lanes 28
39.4 GB/s PCIe Bandwidth 27.6 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Xeon E5-2620 v3 has a TDP of 85 W, that of the Intel Core i7-5820K is 140 W.

Intel Xeon E5-2620 v3 Characteristic Intel Core i7-5820K
85 W TDP (PL1 / PBP) 140 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Xeon E5-2620 v3 has a 15.00 MB cache, while the Intel Core i7-5820K cache has a total of 15.00 MB.

Intel Xeon E5-2620 v3 Characteristic Intel Core i7-5820K
22 nm Technology 22 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
LGA 2011-3 Socket LGA 2011-3
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Linux
Q3/2014 Release date Q3/2014
-- Release price 499 $
show more data show more data


Rate these processors

Here you can rate the Intel Xeon E5-2620 v3 to help other visitors make their purchasing decisions. The average rating is 5.0 stars (4 ratings). Rate now:
Here you can rate the Intel Core i7-5820K to help other visitors make their purchasing decisions. The average rating is 5.0 stars (3 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
Intel Xeon E5-2620 v3 (87%)
Intel Core i7-5820K (100%)
⌀ Multi core performance in 6 CPU benchmarks
Intel Xeon E5-2620 v3 (78%)
Intel Core i7-5820K (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.
Intel Xeon E5-2620 v3 Intel Xeon E5-2620 v3
6C 12T @ 3.20 GHz
728 (79%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.60 GHz
923 (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.
Intel Xeon E5-2620 v3 Intel Xeon E5-2620 v3
6C 12T @ 2.80 GHz
4208 (76%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
5537 (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.
Intel Xeon E5-2620 v3 Intel Xeon E5-2620 v3
6C 12T @ 3.20 GHz
1012 (93%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.60 GHz
1086 (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.
Intel Xeon E5-2620 v3 Intel Xeon E5-2620 v3
6C 12T @ 2.80 GHz
4485 (78%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
5763 (100%)

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 Xeon E5-2620 v3 Intel Xeon E5-2620 v3
6C 12T @ 2.80 GHz
69 (78%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
88 (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.
Intel Xeon E5-2620 v3 Intel Xeon E5-2620 v3
6C 12T @ 2.80 GHz
7854 (80%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
9854 (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 Xeon E5-2620 v3 Intel Xeon E5-2620 v3
6C 12T @ 2.40 GHz
2115 (74%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.30 GHz
2849 (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 Xeon E5-2620 v3 Intel Xeon E5-2620 v3
6C 12T @ 3.20 GHz
123 (88%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.60 GHz
139 (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.
Intel Xeon E5-2620 v3 Intel Xeon E5-2620 v3
6C 12T @ 2.80 GHz
894 (82%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
1085 (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.
Intel Xeon E5-2620 v3 Intel Xeon E5-2620 v3
6C 12T @ 3.20 GHz
0 (0%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.60 GHz
795 (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.
Intel Xeon E5-2620 v3 Intel Xeon E5-2620 v3
6C 12T @ 2.80 GHz
0 (0%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
5700 (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.
Intel Xeon E5-2620 v3 Intel Xeon E5-2620 v3
6C 12T @ 3.20 GHz
0 (0%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.60 GHz
329 (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.
Intel Xeon E5-2620 v3 Intel Xeon E5-2620 v3
6C 12T @ 2.80 GHz
0 (0%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
2301 (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.
Intel Xeon E5-2620 v3 Intel Xeon E5-2620 v3
6C 12T @ 2.80 GHz
0 (0%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.40 GHz
331.7 (100%)

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 Xeon E5-2620 v3 Intel Xeon E5-2620 v3
6C 12T @ 3.20 GHz
316 (100%)
Intel Core i7-5820K Intel Core i7-5820K
6C 12T @ 3.60 GHz
0 (0%)

Devices using this processor

Intel Xeon E5-2620 v3 Intel Core i7-5820K
Unknown Unknown

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