CPUBoss Review Our evaluation of 5930K vs 5820K among desktop CPUs (over 75W)

Performance

Benchmark performance using all cores
Core i7 5930K
10.0
Core i7 5820K
9.6
Core i7 4790K
9.5
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance
Core i7 5930K
8.7
Core i7 5820K
8.3
Core i7 4790K
10.0
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics
Core i7 5930K
0.0
Core i7 5820K
0.0
Core i7 4790K
6.7
Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing
Core i7 5930K
0.0
Core i7 5820K
0.0
Core i7 4790K
6.6
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?
Core i7 5930K
6.2
Core i7 5820K
6.1
Core i7 4790K
10.0
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?
Core i7 5930K
5.3
Core i7 5820K
5.5
Core i7 4790K
6.7
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

No winner declared

Too close to call

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VS

Intel Core i7 5930K

Front view of Intel Core i7 5930K
Front view of Intel Core i7 5820K

Intel Core i7 5820K

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Differences What are the advantages of each

Front view of Intel Core i7 5930K

Reasons to consider the
Intel Core i7 5930K

Report a correction

CPUBoss is not aware of any important advantages of the 5930K vs the 5820K.
Front view of Intel Core i7 5820K

Reasons to consider the
Intel Core i7 5820K

Report a correction

CPUBoss is not aware of any important advantages of the 5820K vs the 5930K.

Benchmarks Real world tests of Core i7 5930K vs 5820K

CompuBench 1.5 (Face detection)

Core i7 5930K
7.26 mPixels/s
Core i7 5820K
6.74 mPixels/s

CompuBench 1.5 (Video composition) Data courtesy CompuBench

Core i7 5930K
-1 fps
Core i7 5820K
3.71 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 5930K
20,902
Core i7 5820K
19,546

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 5930K
3,669
Core i7 5820K
3,412

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 5930K
4,300,000 MB/s
Core i7 5820K
4,050,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i7 5930K
21,223
Core i7 5820K
20,764

PassMark Data courtesy Passmark

Core i7 5930K
13,647
Core i7 5820K
12,995

PassMark (Single Core)

Core i7 5930K
2,095
Core i7 5820K
2,017

Specifications Full list of technical specs

summary

 Core i7 5930K  vs
5820K 
Clock speed 3.5 GHz 3.3 GHz
Turbo clock speed 3.7 GHz 3.6 GHz
Cores Hexa core Hexa core
Is unlocked Yes Yes

features
Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption
TDP 140W 140W
Annual home energy cost 33.73 $/year 33.73 $/year
Annual commercial energy cost 122.64 $/year 122.64 $/year
Performance per watt 11.41 pt/W 10.81 pt/W
Typical power consumption 113.75W 113.75W

bus
Architecture QPI QPI
Number of links 0 0
Transfer rate 0 MT/s 0 MT/s
Clock speed 0 MHz 0 MHz

details

 Core i7 5930K  vs
5820K 
Architecture x86-64 x86-64
Threads 12 12
L3 cache 15 MB 15 MB
L3 cache per core 2.5 MB/core 2.5 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1

overclocking
Overclocked clock speed 4.78 GHz 4.34 GHz
Overclocked clock speed (Water) 4.45 GHz 4.53 GHz
PassMark (Overclocked) 7,634.4 5,572.2
Overclocked clock speed (Air) 4.78 GHz 4.34 GHz

integrated graphics
GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

memory controller
Memory controller Built-in Built-in
Memory type
DDR
DDR4-1333
DDR4-1600
DDR4-2133
Channels Quad Channel Quad Channel
Supports ECC No No
Maximum memory size 65,536 MB 65,536 MB
Intel Core i7 5930K
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Intel Core i7 5820K
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Comments

Showing 5 comments.
Andrew Murphy (10:39 PM, December 2, 2015)
both 2 way and 3 way sli comparing 16x16 or 8x8 is literally no difference at all, even for 3way sli it results in 1-2 fps is test that are achiving over 150+. Only 500+ tests of this with the highest end gpus so the only reason for the 5930k is 4way sli or 3 way sli and you have components that use more then 4 pci lanes which is very uncommon for most users.
John Sanderson (10:26 PM, November 25, 2015)
Hello see comment top (new to board so it should have appeared here)
John Sanderson (10:23 PM, November 25, 2015)
My motherboard is a Gigabyte GA-X99-UD4P with 4 x16 slots for GPUs With 40 PCI lane CPU all 4 are useable x16, x16 for 2 GPU x16, x16, x8 for 3 GPU x8, x8, x16, x8 for 4 GPU For 28 PCI lane only 3 max useable x16, x8 for 2 GPU x8, x8, x8 for 3 GPU So for 2 or more GPU better performance. If only one GPU then save money with 5820. Gigabyte site gives 3 or 4 GPU PCI setups shown in diagrams for 5960, 5930
Guest (03:46 PM, November 19, 2015)
Do you think it gives that much better in performance for sli? The price difference is about 200 dollars now.
John Sanderson (07:29 PM, July 28, 2015)
From the review it looks like the 5930 vs 5820 have similar performance but 5930 is 100 GBP more expensive. Main difference, that may justify 5930's price (and made it my choice) is number of PCIe lanes supported (40 vs 28).
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