Intel Core i7-4790K vs Intel Core i7-5820K

Compare Intel 4th Generation Core i7 4 core CPU vs Intel Core X-series 6 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Price

The cheapest price from our partner retailers

$ 283.12
$ 146.83 significantly less expensive
$ 429.95

Benchmark Score

Overall Score

A combined score of all workloads

3124 points
4081 points
30% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

5019 points
5494 points
9% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

2564 points
3634 points
41% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

2462 points
3527 points
43% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Core i7-4790K and the Core i7-5820K? Download our free and quick PC Performance Test.

Other Benchmarks

3DMark Physics score

3DMark Physics score

Physics simulation benchmark

2813 points
3543 points
25% slightly higher 3DMark Physics score
Blender score

Blender score

Cycles Render (Samples per minute)

73.53 points
95.66 points
30% slightly higher Blender score
Geekbench 5 (multi) score

Geekbench 5 (multi) score

Multi threaded benchmark

4415 points
5383 points
21% slightly higher Geekbench 5 (multi) score
Geekbench 5 (single) score

Geekbench 5 (single) score

Single threaded benchmark

1357 points
19% slightly higher Geekbench 5 (single) score
1134 points
Geekbench 6 (multi) score

Geekbench 6 (multi) score

Multi threaded benchmark

4402 points
5467 points
24% slightly higher Geekbench 6 (multi) score
Geekbench 6 (single) score

Geekbench 6 (single) score

Single threaded benchmark

1403 points
18% slightly higher Geekbench 6 (single) score
1180 points

Specifications

Cores

Number of physical processing units

4
6
49% significantly more cores

Threads

Number of logical processing units

8
12
49% significantly more threads

Clock Speed

Base frequency at which the chip operates

4 GHz
21% slightly higher clock speed
3.3 GHz

Turbo Speed

Higher frequency used for heavy workloads

4.4 GHz
22% slightly higher turbo speed
3.6 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

88 W
59% significantly lower TDP
140 W

PCIe Lanes

Number of physical connections between the CPU and expansion slots

16
28
75% significantly more pcie lanes

Memory Channels

Lanes for simultaneous memory access

2
4
100% significantly more memory channels

Supported Memory

Maximum amount of RAM supported by this CPU

32 GiB
64 GiB
100% significantly more supported memory

Other details

Rank

Ranking in the hardwareDB database

520th of 1,089
428th of 1,089

Family

The product line

4th Generation Core i7
Core X-series

Release date

The official date of release of this chip

2014 May
2014 August

Memory Type

The type of memory used by this chip

DDR3-1333
DDR4-1600

Supports ECC memory

Does this CPU support error correcting memory

No
No

Core i7-4790K vs Core i7-5820K benchmarks

According to the hardwareDB Benchmark tool, the Core i7-5820K is faster than the Core i7-4790K. Furthermore, our gaming benchmark shows that it also outperforms the Core i7-4790K in all gaming tests too.

In terms of the number of cores of each of these CPUs, the Core i7-5820K has significantly more cores than the Core i7-4790K. Indeed, the Core i7-5820K has 6 cores compared to 4 cores found in the Core i7-4790K. It also has more threads than the Core i7-4790K. These CPUs have different clock speeds. Indeed, the Core i7-4790K has a slightly higher clock speed compared to the Core i7-5820K. Also, the Core i7-4790K has a slightly higher turbo speed. A Core i7-4790K CPU outputs less heat than a Core i7-5820K CPU because of its significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption.

Modern CPUs generally have more logical cores than physical cores, this means that each core is split into multiple virtual cores, improving efficiency for parallel workloads. Indeed, the Core i7-4790K has more threads than cores. Each physical core is split into multiple threads.

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