Intel Core i9-11900KF vs AMD Ryzen 7 7840HS

Compare Intel 11th Generation Core i9 8 core CPU vs AMD Ryzen 7 8 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Specifications
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Benchmark Score

Overall Score

A combined score of all workloads

8335 points

8633 points

3% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

10716 points

2% slightly better gaming score

10477 points

Multitasking Score

Performance in workloads using up to 8 cores

7549 points

8013 points

6% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

7340 points

7835 points

6% slightly better heavy workload score

Free CPU Benchmark

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Other Benchmarks

3DMark Physics score

Physics simulation benchmark

8401 points

14% slightly higher 3DMark Physics score

7356 points

Blender score

Cycles Render (Samples per minute)

206.76 points

244.42 points

18% slightly higher Blender score

Geekbench 6 (multi) score

Multi threaded benchmark

9980 points

11003 points

10% slightly higher Geekbench 6 (multi) score

Geekbench 6 (single) score

Single threaded benchmark

2320 points

2353 points

1% slightly higher Geekbench 6 (single) score

Specifications

Cores

Number of physical processing units

Identical

Threads

Number of logical processing units

Identical

Clock Speed

Base frequency at which the chip operates

3.5 GHz

3.80 GHz

8% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5.3 GHz

3% slightly higher turbo speed

5.1 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

125 W

54 W

131% significantly lower TDP

Memory Channels

Lanes for simultaneous memory access

Identical

L1 Cache

Smallest embedded memory, but the fastest

640 KiB

25% slightly more L1 cache

512 KiB

L2 Cache

Secondary embedded memory, slower than L1 cache

4 MiB

8 MiB

100% significantly more L2 cache

L3 Cache

General memory pool for all cores

16 MiB

Identical

16 MiB

Other details

Rank

Ranking in the hardwareDB database

143rd of 1,124

129th of 1,124

Family

The product line

11th Generation Core i9

Ryzen 7

Release date

The official date of release of this chip

2021 February

Memory Type

The type of memory used by this chip

DDR4-3200

DDR5 (FP7r2)

Is Unlocked

Can this CPU can be overclocked

Yes

Supports ECC memory

Does this CPU support error correcting memory

Core i9-11900KF vs Ryzen 7 7840HS comparison

In our benchmarks, the Ryzen 7 7840HS beats the Core i9-11900KF in overall performance. Despite this, the Core i9-11900KF has the advantage in our gaming benchmark.

When comparing these CPUs we notice that they have the same number of cores and the same number of threads. With our hardware info, we find that the Ryzen 7 7840HS has a slightly higher clock speed than the Core i9-11900KF. Despite this, the Core i9-11900KF has a slightly higher turbo speed. The Ryzen 7 7840HS outputs less heat than Core i9-11900KF thanks to a significantly lower TDP. This measures the amount of heat they output and can be used to estimate power consumption. In terms of cache, the Ryzen 7 7840HS has significantly more L2 cache when compared to the Core i9-11900KF. However, both these chips have the same amount of L3 cache.

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 i9-11900KF has more threads than cores. Each physical core is split into multiple threads.