AMD Ryzen 5 3450U vs Intel Core i7-5820K

Compare AMD Ryzen 5 Mobile with Radeon Vega Graphics 4 core CPU vs Intel Core X-series 6 core processor, specs and benchmark score. Which is the better CPU for gaming?

CPU Comparison

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Benchmark Score

Overall Score

A combined score of all workloads

2626 points
4081 points
55% significantly better overall score

Gaming Score

The raw gaming performance with a fast GPU

4310 points
5494 points
27% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

2126 points
3634 points
70% significantly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

2033 points
3527 points
73% significantly better heavy workload score

Free CPU Benchmark

Want to compare your processor against the Ryzen 5 3450U and the Core i7-5820K? Download our free and quick PC Performance Test.

Other Benchmarks

Blender score

Blender score

Cycles Render (Samples per minute)

39.48 points
95.66 points
142% significantly higher Blender score

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

2.1 GHz
3.3 GHz
57% significantly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

3.5 GHz
3.6 GHz
2% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

15 W
833% significantly lower TDP
140 W

Memory Channels

Lanes for simultaneous memory access

2
4
100% significantly more memory channels

Other details

Rank

Ranking in the hardwareDB database

604th of 1,089
428th of 1,089

Family

The product line

Ryzen 5 Mobile with Radeon Vega Graphics
Core X-series

Release date

The official date of release of this chip

-
2014 August

Memory Type

The type of memory used by this chip

-
DDR4-1600

Is Unlocked

Can this CPU can be overclocked

No
-

Supports ECC memory

Does this CPU support error correcting memory

-
No

Ryzen 5 3450U vs Core i7-5820K benchmarks

In our benchmarks, the Core i7-5820K beats the Ryzen 5 3450U in overall performance. Furthermore, our gaming benchmark shows that it also outperforms the Ryzen 5 3450U 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 Ryzen 5 3450U. Indeed, the Core i7-5820K has 6 cores compared to 4 cores found in the Ryzen 5 3450U. It also has more threads than the Ryzen 5 3450U. With our hardware info, we find that the Core i7-5820K has a significantly higher clock speed than the Ryzen 5 3450U. A Ryzen 5 3450U 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 Ryzen 5 3450U has more threads than cores. Each physical core is split into multiple threads.

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