AMD Ryzen 9 7845HX vs Intel Core i9-12900H

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CPU comparison with benchmarks


AMD Ryzen 9 7845HX CPU1 vs CPU2 Intel Core i9-12900H
AMD Ryzen 9 7845HX Intel Core i9-12900H

CPU comparison

AMD Ryzen 9 7845HX or Intel Core i9-12900H - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The AMD Ryzen 9 7845HX has 12 cores with 24 threads and clocks with a maximum frequency of 5.20 GHz. Up to 128 GB of memory is supported in 2 memory channels. The AMD Ryzen 9 7845HX was released in Q1/2023.

The Intel Core i9-12900H has 14 cores with 20 threads and clocks with a maximum frequency of 5.00 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The Intel Core i9-12900H was released in Q1/2022.
AMD Ryzen 9 (35) Family Intel Core i9 (78)
AMD Ryzen 7045 (6) CPU group Intel Core i 12000H (23)
6 Generation 12
Dragon Range (Zen 4) Architecture Alder Lake H
Mobile Segment Mobile
-- Predecessor Intel Core i9-11900H
-- Successor Intel Core i9-13900H

CPU Cores and Base Frequency

The AMD Ryzen 9 7845HX is a 12 core processor with a clock frequency of 3.00 GHz (5.20 GHz). The Intel Core i9-12900H has 14 CPU cores with a clock frequency of 2.50 GHz (5.00 GHz).

AMD Ryzen 9 7845HX Characteristic Intel Core i9-12900H
12 Cores 14
24 Threads 20
normal Core architecture hybrid (big.LITTLE)
Yes Hyperthreading Yes
Yes Overclocking ? No
3.00 GHz (5.20 GHz)
12x Zen 4
A-Core 2.50 GHz (5.00 GHz)
6x Golden Cove
-- B-Core 1.80 GHz (3.80 GHz)
8x Gracemont

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

AMD Ryzen 9 7845HX Characteristic Intel Core i9-12900H
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

AMD Radeon 610M GPU Intel Iris Xe Graphics 96 (Alder Lake)
0.40 GHz GPU frequency 0.40 GHz
2.20 GHz GPU (Turbo) 1.45 GHz
9 GPU Generation 13
6 nm Technology 10 nm
3 Max. displays 4
2 Compute units 96
128 Shader 768
Yes Hardware Raytracing No
No Frame Generation No
8 GB Max. GPU Memory 32 GB
12 DirectX Version 12.1

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

AMD Radeon 610M GPU Intel Iris Xe Graphics 96 (Alder Lake)
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec VP9 Decode / Encode
Decode / Encode Codec VP8 Decode
Decode Codec AV1 Decode
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The AMD Ryzen 9 7845HX supports a maximum of 128 GB of memory in 2 memory channels. The Intel Core i9-12900H can connect up to 64 GB of memory in 2 memory channels.

AMD Ryzen 9 7845HX Characteristic Intel Core i9-12900H
DDR5-5200 Memory LPDDR5-5200, LPDDR4X-4266, DDR5-4800, DDR4-3200
128 GB Max. Memory 64 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
83.2 GB/s Max. Bandwidth 83.2 GB/s
Yes ECC No
12.00 MB L2 Cache 11.50 MB
64.00 MB L3 Cache 24.00 MB
5.0 PCIe version 4.0
28 PCIe lanes 28
110.3 GB/s PCIe Bandwidth 55.1 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 9 7845HX has a TDP of 55 W, that of the Intel Core i9-12900H is 45 W.

AMD Ryzen 9 7845HX Characteristic Intel Core i9-12900H
55 W TDP (PL1 / PBP) 45 W
-- TDP (PL2) 115 W
75 W TDP up --
45 W TDP down --
100 °C Tjunction max. 100 °C

Technical details

The AMD Ryzen 9 7845HX has a 76.00 MB cache, while the Intel Core i9-12900H cache has a total of 35.50 MB.

AMD Ryzen 9 7845HX Characteristic Intel Core i9-12900H
5 nm Technology 10 nm
Chiplet Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 ISA extensions SSE4.1, SSE4.2, AVX2, AVX2+
FL1 Socket BGA 1744
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q1/2023 Release date Q1/2022
-- Release price 617 $
show more data show more data


Rate these processors

Here you can rate the AMD Ryzen 9 7845HX to help other visitors make their purchasing decisions. The average rating is 4.8 stars (6 ratings). Rate now:
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Average performance in benchmarks

⌀ Single core performance in 3 CPU benchmarks
AMD Ryzen 9 7845HX (99%)
Intel Core i9-12900H (92%)
⌀ Multi core performance in 4 CPU benchmarks
AMD Ryzen 9 7845HX (100%)
Intel Core i9-12900H (71%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 9 7845HX AMD Ryzen 9 7845HX
12C 24T @ 5.20 GHz
1859 (97%)
Intel Core i9-12900H Intel Core i9-12900H
14C 20T @ 5.00 GHz
1917 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 9 7845HX AMD Ryzen 9 7845HX
12C 24T @ 3.00 GHz
26654 (100%)
Intel Core i9-12900H Intel Core i9-12900H
14C 20T @ 3.80 GHz
16555 (62%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 9 7845HX AMD Ryzen 9 7845HX
12C 24T @ 5.20 GHz
2052 (100%)
Intel Core i9-12900H Intel Core i9-12900H
14C 20T @ 5.00 GHz
1754 (85%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 9 7845HX AMD Ryzen 9 7845HX
12C 24T @ 3.00 GHz
16789 (100%)
Intel Core i9-12900H Intel Core i9-12900H
14C 20T @ 3.80 GHz
12662 (75%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
AMD Ryzen 9 7845HX AMD Ryzen 9 7845HX
12C 24T @ 5.20 GHz
2645 (100%)
Intel Core i9-12900H Intel Core i9-12900H
14C 20T @ 5.00 GHz
2426 (92%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
AMD Ryzen 9 7845HX AMD Ryzen 9 7845HX
12C 24T @ 3.00 GHz
13667 (100%)
Intel Core i9-12900H Intel Core i9-12900H
14C 20T @ 3.80 GHz
11894 (87%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
AMD Ryzen 9 7845HX AMD Ryzen 9 7845HX
AMD Radeon 610M @ 2.20 GHz
443 (20%)
Intel Core i9-12900H Intel Core i9-12900H
Intel Iris Xe Graphics 96 (Alder Lake) @ 1.45 GHz
2223 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
AMD Ryzen 9 7845HX AMD Ryzen 9 7845HX
12C 24T @ 3.00 GHz
46864 (100%)
Intel Core i9-12900H Intel Core i9-12900H
14C 20T @ 3.80 GHz
27130 (58%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 9 7845HX AMD Ryzen 9 7845HX
12C 24T @ 5.20 GHz
0 (0%)
Intel Core i9-12900H Intel Core i9-12900H
14C 20T @ 5.00 GHz
734 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 9 7845HX AMD Ryzen 9 7845HX
12C 24T @ 3.00 GHz
0 (0%)
Intel Core i9-12900H Intel Core i9-12900H
14C 20T @ 3.80 GHz
6371 (100%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
AMD Ryzen 9 7845HX AMD Ryzen 9 7845HX
12C 24T @ 3.00 GHz
0 (0%)
Intel Core i9-12900H Intel Core i9-12900H
14C 20T @ 3.80 GHz
251 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 9 7845HX AMD Ryzen 9 7845HX
12C 24T @ 5.20 GHz
0 (0%)
Intel Core i9-12900H Intel Core i9-12900H
14C 20T @ 5.00 GHz
257 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 9 7845HX AMD Ryzen 9 7845HX
12C 24T @ 3.00 GHz
0 (0%)
Intel Core i9-12900H Intel Core i9-12900H
14C 20T @ 3.80 GHz
2639 (100%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
AMD Ryzen 9 7845HX AMD Ryzen 9 7845HX
26,654 CB R23 MC @ 102 W
261 (100%)
Intel Core i9-12900H Intel Core i9-12900H
2.50 GHz
0 (0%)

Devices using this processor

AMD Ryzen 9 7845HX Intel Core i9-12900H
Unknown Unknown

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