AMD Ryzen 9 7945HX3D vs Intel Core i9-12900

Compare AMD Ryzen 9 16 core CPU vs Intel 12th Generation Core i9 16 core processor, specs and benchmark score. Which is the better CPU for gaming?

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Specifications
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CPU Comparison

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Benchmark Score

Overall Score

A combined score of all workloads

11621 points

1% slightly better overall score

11471 points

Gaming Score

The raw gaming performance with a fast GPU

10251 points

13241 points

29% slightly better gaming score

Multitasking Score

Performance in workloads using up to 8 cores

12118 points

11% slightly better multitasking score

10915 points

Heavy Workload Score

Performance in workloads using up to 16 cores

12323 points

13% slightly better heavy workload score

10835 points

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Other Benchmarks

3DMark Physics score

Physics simulation benchmark

12988 points

18% slightly higher 3DMark Physics score

10922 points

Blender score

Cycles Render (Samples per minute)

463.95 points

64% significantly higher Blender score

281.66 points

Cinebench R23 score

Multi threaded benchmark

32782 points

75% significantly higher Cinebench R23 score

18628 points

Geekbench 6 (multi) score

Multi threaded benchmark

16655 points

26% slightly higher Geekbench 6 (multi) score

13170 points

Geekbench 6 (single) score

Single threaded benchmark

2764 points

9% slightly higher Geekbench 6 (single) score

2513 points

Specifications

Cores

Number of physical processing units

Identical

Threads

Number of logical processing units

33% slightly more threads

Clock Speed

Base frequency at which the chip operates

2.30 GHz

2.4 GHz

4% slightly higher clock speed

Turbo Speed

Higher frequency used for heavy workloads

5.4 GHz

5% slightly higher turbo speed

5.1 GHz

TDP

Thermal Design Power: Measure of heat generated by the CPU

55 W

18% slightly lower TDP

65 W

Memory Channels

Lanes for simultaneous memory access

Identical

L1 Cache

Smallest embedded memory, but the fastest

1024 KiB

1280 KiB

25% slightly more L1 cache

L2 Cache

Secondary embedded memory, slower than L1 cache

16 MiB

14% slightly more L2 cache

14 MiB

L3 Cache

General memory pool for all cores

192 MiB

540% significantly more L3 cache

30 MiB

Other details

Rank

Ranking in the hardwareDB database

56th of 1,089

59th of 1,089

Family

The product line

Ryzen 9

12th Generation Core i9

Release date

The official date of release of this chip

2023 July

2022 February

Memory Type

The type of memory used by this chip

DDR5

DDR5-4800

Is Unlocked

Can this CPU can be overclocked

Yes

Supports ECC memory

Does this CPU support error correcting memory

Yes

Ryzen 9 7945HX3D vs Core i9-12900 benchmarks

Our benchmark analysis concludes that the Ryzen 9 7945HX3D performs better than the Core i9-12900. Despite this, the Core i9-12900 has the advantage in our gaming benchmark.

Our spec comparison shows that they have an identical amount of cores but the Ryzen 9 7945HX3D has more threads. With our hardware info, we find that the Core i9-12900 has a slightly higher clock speed than the Ryzen 9 7945HX3D. Despite this, the Ryzen 9 7945HX3D has a slightly higher turbo speed. A Ryzen 9 7945HX3D CPU outputs less heat than a Core i9-12900 CPU because of its slightly 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 7945HX3D has more L2 cache than the Core i9-12900. The Ryzen 9 7945HX3D also has significantly more L3 cache.

The more cores a CPU has, the better the overall performance will be in parallel workloads such as multitasking. Many CPUs have more threads than cores, this means that each physical core is split into multiple logical cores, making them more efficient. Indeed, the Ryzen 9 7945HX3D has more threads than cores. Each physical core is split into multiple threads.