Core i9-12900HX vs Ryzen 7 8745HX

Intel

Core i9-12900HX

16 Cores24 Thrd55 WWMax: 5 GHz2022

Popular choices:

VS
AMD

Ryzen 7 8745HX

8 Cores16 Thrd55 WWMax: 5.1 GHz2025

Popular choices:

Performance Spectrum - CPU

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Core i9-12900HX

2022

Why buy it

  • +28.6% higher Cinebench R23 multi-core.
  • 71.4% more PCIe lanes (48 vs 28) for storage and expansion-heavy builds.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 7 8745HX across 4 shared CPU benchmark tests.
  • Launch MSRP is still $606 MSRP, while Ryzen 7 8745HX mostly shows up through inconsistent older-market listings.

Ryzen 7 8745HX

2025

Why buy it

  • Better for gaming: +15.3% higher average FPS across 4 shared CPU benchmark tests.

Trade-offs

  • Lower Cinebench R23 multi-core (18,000 vs 23,150).

Quick Answers

So, is Core i9-12900HX better than Ryzen 7 8745HX?
It depends on what matters more to you. For gaming, Ryzen 7 8745HX is ahead with a 15.3% average FPS lead across 4 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i9-12900HX pulls ahead with 28.6% better Cinebench R23 multi-core.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i9-12900HX is the better fit. You are getting 28.6% better Cinebench R23 multi-core, backed by 16 cores and 24 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core i9-12900HX is the smarter buy today. Core i9-12900HX is at an unclear MSRP at $606 MSRP versus unclear MSRP, and it gives you 28.6% better Cinebench R23 multi-core. The trade-off is that Ryzen 7 8745HX is still the better pure gaming CPU with a 15.3% average FPS lead across 4 shared CPU game tests in our data. It is also 100.0% better value on MSRP (54.5 vs 0.0 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen 7 8745HX is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2022). That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Path of Exile 2

Path of Exile 2

PresetCore i9-12900HXRyzen 7 8745HX
1080p
low269 FPS254 FPS
medium259 FPS236 FPS
high214 FPS204 FPS
ultra184 FPS175 FPS
1440p
low230 FPS218 FPS
medium198 FPS183 FPS
high159 FPS152 FPS
ultra140 FPS133 FPS
4K
low159 FPS152 FPS
medium136 FPS127 FPS
high106 FPS99 FPS
ultra93 FPS86 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i9-12900HXRyzen 7 8745HX
1080p
low611 FPS620 FPS
medium523 FPS518 FPS
high439 FPS428 FPS
ultra397 FPS387 FPS
1440p
low527 FPS529 FPS
medium470 FPS463 FPS
high397 FPS388 FPS
ultra340 FPS332 FPS
4K
low310 FPS310 FPS
medium281 FPS277 FPS
high266 FPS261 FPS
ultra232 FPS229 FPS
League of Legends

League of Legends

PresetCore i9-12900HXRyzen 7 8745HX
1080p
low775 FPS816 FPS
medium616 FPS735 FPS
high545 FPS653 FPS
ultra462 FPS560 FPS
1440p
low692 FPS701 FPS
medium554 FPS564 FPS
high485 FPS490 FPS
ultra416 FPS415 FPS
4K
low498 FPS486 FPS
medium416 FPS405 FPS
high373 FPS364 FPS
ultra314 FPS304 FPS
Valorant

Valorant

PresetCore i9-12900HXRyzen 7 8745HX
1080p
low825 FPS816 FPS
medium783 FPS816 FPS
high676 FPS816 FPS
ultra600 FPS772 FPS
1440p
low744 FPS816 FPS
medium659 FPS755 FPS
high569 FPS663 FPS
ultra496 FPS579 FPS
4K
low523 FPS568 FPS
medium474 FPS509 FPS
high421 FPS459 FPS
ultra366 FPS399 FPS

Technical Specifications

Side-by-side comparison of Core i9-12900HX and Ryzen 7 8745HX

Intel

Core i9-12900HX

The Core i9-12900HX is manufactured by Intel. It was released in 10 May 2022 (3 years ago). It is based on the Alder Lake-HX (2022) architecture. It features 16 cores and 24 threads. Base frequency is 2.3 GHz, with boost up to 5 GHz. L3 cache: 30 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1964. Thermal design power (TDP): 55 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 33,018 points. Launch price was $499.

AMD

Ryzen 7 8745HX

The Ryzen 7 8745HX is manufactured by AMD. It was released in 23 April 2025 (less than a year ago). It is based on the Dragon Range (2025) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 5.1 GHz. L3 cache: 32 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 32,620 points. Launch price was $499.

Processing Power

The Core i9-12900HX packs 16 cores / 24 threads, while the Ryzen 7 8745HX offers 8 cores / 16 threads — the Core i9-12900HX has 8 more cores. Boost clocks reach 5 GHz on the Core i9-12900HX versus 5.1 GHz on the Ryzen 7 8745HX — a 2% clock advantage for the Ryzen 7 8745HX (base: 2.3 GHz vs 3.6 GHz). The Core i9-12900HX uses the Alder Lake-HX (2022) architecture (Intel 7 nm), while the Ryzen 7 8745HX uses Dragon Range (2025) (5 nm). In PassMark, the Core i9-12900HX scores 33,018 against the Ryzen 7 8745HX's 32,620 — a 1.2% lead for the Core i9-12900HX. Cinebench R23 multi-core: 23,150 vs 18,000 (25% advantage for the Core i9-12900HX). Geekbench 6 single-core — the metric most relevant to gaming — records 2,426 vs 2,700, a 10.7% lead for the Ryzen 7 8745HX that directly translates to higher frame rates. Multi-core Geekbench: 14,620 vs 13,500 (8% advantage for the Core i9-12900HX). L3 cache: 30 MB (total) on the Core i9-12900HX vs 32 MB (total) on the Ryzen 7 8745HX.

FeatureCore i9-12900HXRyzen 7 8745HX
Cores / Threads
16 / 24+100%
8 / 16
Boost Clock
5 GHz
5.1 GHz+2%
Base Clock
2.3 GHz
3.6 GHz+57%
L3 Cache
30 MB (total)
32 MB (total)+7%
L2 Cache
1.25 MB (per core)+25%
1 MB (per core)
Process
Intel 7 nm
5 nm-29%
Architecture
Alder Lake-HX (2022)
Dragon Range (2025)
PassMark
33,018+1%
32,620
Cinebench R23 Multi
23,150+29%
18,000
Geekbench 6 Single
2,426
2,700+11%
Geekbench 6 Multi
14,620+8%
13,500
🧠

Memory & Platform

The Core i9-12900HX uses the FCBGA1964 socket (PCIe 5.0), while the Ryzen 7 8745HX uses FL1 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR5-4800, DDR4-3200 memory speed. The Core i9-12900HX supports up to 128 GB of RAM compared to 64 GB 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 48 (Core i9-12900HX) vs 28 (Ryzen 7 8745HX) — the Core i9-12900HX offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM670,WM690 (Core i9-12900HX) and FL1 (Ryzen 7 8745HX).

FeatureCore i9-12900HXRyzen 7 8745HX
Socket
FCBGA1964
FL1
PCIe Generation
PCIe 5.0+25%
PCIe 4.0
Max RAM Speed
DDR5-4800, DDR4-3200
DDR5-5200
Max RAM Capacity
128 GB+100%
64 GB
RAM Channels
2
2
ECC Support
No
No
PCIe Lanes
48+71%
28
🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 7 8745HX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, EPT (Core i9-12900HX) vs AMD-V (Ryzen 7 8745HX). Both include integrated graphics UHD Graphics 770 (Core i9-12900HX) and Radeon 610M (Ryzen 7 8745HX) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i9-12900HX targets High-end Mobile Performance, Ryzen 7 8745HX targets High-end Gaming Laptop. Direct competitor: Core i9-12900HX rivals Ryzen 9 6900HX; Ryzen 7 8745HX rivals Core i7-14700HX.

FeatureCore i9-12900HXRyzen 7 8745HX
Integrated GPU
Yes
Yes
IGPU Model
UHD Graphics 770
Radeon 610M
Unlocked
Yes
Yes
AVX-512
No
Yes
Virtualization
VT-x, VT-d, EPT
AMD-V
Target Use
High-end Mobile Performance
High-end Gaming Laptop