Intel Core i9-11900KF vs AMD Ryzen 9 8945HX

Compare Intel 11th Generation Core i9 8 core CPU vs AMD Ryzen 8000 Series 16 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Benchmark Score

Overall Score

A combined score of all workloads

8335 points

8535 points

2% slightly better overall score

Gaming Score

The raw gaming performance with a fast GPU

10716 points

32% slightly better gaming score

8107 points

Multitasking Score

Performance in workloads using up to 8 cores

7549 points

8825 points

16% slightly better multitasking score

Heavy Workload Score

Performance in workloads using up to 16 cores

7340 points

9118 points

24% slightly better heavy workload score

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Other Benchmarks

Blender score

Cycles Render (Samples per minute)

206.76 points

468.88 points

126% significantly higher Blender score

Specifications

Cores

Number of physical processing units

100% significantly more cores

Threads

Number of logical processing units

100% significantly more threads

Clock Speed

Base frequency at which the chip operates

3.5 GHz

39% slightly higher clock speed

2.50 GHz

Turbo Speed

Higher frequency used for heavy workloads

5.3 GHz

5.4 GHz

1% slightly higher turbo speed

TDP

Thermal Design Power: Measure of heat generated by the CPU

125 W

55 W

127% significantly lower TDP

Memory Channels

Lanes for simultaneous memory access

Identical

L1 Cache

Smallest embedded memory, but the fastest

640 KiB

1024 KiB

60% significantly more L1 cache

L2 Cache

Secondary embedded memory, slower than L1 cache

4 MiB

16 MiB

300% significantly more L2 cache

L3 Cache

General memory pool for all cores

16 MiB

64 MiB

300% significantly more L3 cache

Other details

Rank

Ranking in the hardwareDB database

133rd of 1,089

124th of 1,089

Family

The product line

11th Generation Core i9

Ryzen 8000 Series

Release date

The official date of release of this chip

2021 February

2025 April

Memory Type

The type of memory used by this chip

DDR4-3200

DDR5

Is Unlocked

Can this CPU can be overclocked

Yes

Supports ECC memory

Does this CPU support error correcting memory

Core i9-11900KF vs Ryzen 9 8945HX benchmarks

In our benchmarks, the Ryzen 9 8945HX beats the Core i9-11900KF in overall performance. Despite this, the Core i9-11900KF has the advantage in our gaming benchmark.

With info from our database, we find that the Ryzen 9 8945HX has significantly more cores with 16 cores whereas the Core i9-11900KF has 8 cores. It also has more threads than the Core i9-11900KF. With our hardware info, we find that the Core i9-11900KF has a slightly higher clock speed than the Ryzen 9 8945HX. Despite this, the Ryzen 9 8945HX has a slightly higher turbo speed. The Ryzen 9 8945HX 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. The info from our database shows that the Ryzen 9 8945HX has more L2 cache than the Core i9-11900KF. The Ryzen 9 8945HX also has significantly more L3 cache.

Most CPUs have more threads than cores. This technology, colloquially called hyperthreading, improves performance by splitting a core into multiple virtual ones. This provides more efficient utilisation of a core. Indeed, the Core i9-11900KF has more threads than cores. Each physical core is split into multiple threads.