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 i9-13900

2023

Why buy it

✅+0.7% higher PassMark.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 7845HX across 4 shared CPU benchmark tests.
❌Smaller total L3 cache (36 MB vs 64 MB).
❌Launch MSRP is still $549 MSRP, while Ryzen 9 7845HX mostly shows up through inconsistent older-market listings.
❌127.3% higher power demand at 125W vs 55W.
❌No boxed cooler included, unlike Ryzen 9 7845HX.

Ryzen 9 7845HX

2023

Why buy it

✅Better for gaming: +12.6% higher average FPS across 4 shared CPU benchmark tests.
✅+77.8% larger total L3 cache (64 MB vs 36 MB).
✅Draws 55W instead of 125W, a 70W reduction.
✅40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.
✅Includes a boxed cooler (Laptop Integrated), unlike Core i9-13900.

Trade-offs

❌Lower PassMark (44,940 vs 45,252).

Core i9-13900

2023

Ryzen 9 7845HX

2023

Why buy it

✅+0.7% higher PassMark.

Why buy it

✅Better for gaming: +12.6% higher average FPS across 4 shared CPU benchmark tests.
✅+77.8% larger total L3 cache (64 MB vs 36 MB).
✅Draws 55W instead of 125W, a 70W reduction.
✅40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.
✅Includes a boxed cooler (Laptop Integrated), unlike Core i9-13900.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 7845HX across 4 shared CPU benchmark tests.
❌Smaller total L3 cache (36 MB vs 64 MB).
❌Launch MSRP is still $549 MSRP, while Ryzen 9 7845HX mostly shows up through inconsistent older-market listings.
❌127.3% higher power demand at 125W vs 55W.
❌No boxed cooler included, unlike Ryzen 9 7845HX.

Trade-offs

❌Lower PassMark (44,940 vs 45,252).

Quick Answers

So, is Core i9-13900 better than Ryzen 9 7845HX?

It depends on what matters more to you. For gaming, Ryzen 9 7845HX is ahead with a 12.6% average FPS lead across 4 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i9-13900 pulls ahead with 0.7% better PassMark. Ryzen 9 7845HX also has the bigger cache pool with 77.8% larger total L3 cache (64 MB vs 36 MB).

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core i9-13900 is the better fit. You are getting 0.7% better PassMark, backed by 24 cores and 32 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Core i9-13900 is the smarter buy today. Core i9-13900 is at an unclear MSRP at $549 MSRP versus unclear MSRP, and it gives you 0.7% better PassMark. The trade-off is that Ryzen 9 7845HX is still the better pure gaming CPU with a 12.6% average FPS lead across 4 shared CPU game tests in our data. It is also 100.0% better value on MSRP (82.4 vs 0.0 PassMark/$), 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?

Core i9-13900 is the more future-proof choice for 2026 and beyond. You are getting more multi-core headroom with 24 cores / 32 threads instead of 12/24. That extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

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.

Core i9-13900 Benchmark Check

Ryzen 9 7845HX Benchmark Check

Path of Exile 2

Preset	Core i9-13900	Ryzen 9 7845HX
1080p
low	321 FPS	285 FPS
medium	311 FPS	258 FPS
high	247 FPS	218 FPS
ultra	209 FPS	190 FPS
1440p
low	278 FPS	264 FPS
medium	240 FPS	215 FPS
high	178 FPS	168 FPS
ultra	158 FPS	151 FPS
4K
low	192 FPS	183 FPS
medium	164 FPS	150 FPS
high	123 FPS	111 FPS
ultra	112 FPS	101 FPS

Open Core i9-13900 Open Ryzen 9 7845HX

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i9-13900	Ryzen 9 7845HX
1080p
low	496 FPS	759 FPS
medium	434 FPS	636 FPS
high	354 FPS	479 FPS
ultra	313 FPS	413 FPS
1440p
low	421 FPS	637 FPS
medium	380 FPS	553 FPS
high	316 FPS	431 FPS
ultra	257 FPS	342 FPS
4K
low	236 FPS	359 FPS
medium	216 FPS	316 FPS
high	205 FPS	280 FPS
ultra	179 FPS	239 FPS

Open Core i9-13900 Open Ryzen 9 7845HX

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i9-13900	Ryzen 9 7845HX
1080p
low	762 FPS	896 FPS
medium	626 FPS	712 FPS
high	543 FPS	619 FPS
ultra	467 FPS	534 FPS
1440p
low	680 FPS	721 FPS
medium	567 FPS	574 FPS
high	485 FPS	488 FPS
ultra	423 FPS	419 FPS
4K
low	497 FPS	519 FPS
medium	430 FPS	430 FPS
high	383 FPS	386 FPS
ultra	329 FPS	326 FPS

Open Core i9-13900 Open Ryzen 9 7845HX

League of Legends

League of Legends

Valorant

Preset	Core i9-13900	Ryzen 9 7845HX
1080p
low	1010 FPS	1124 FPS
medium	905 FPS	1006 FPS
high	792 FPS	873 FPS
ultra	704 FPS	770 FPS
1440p
low	838 FPS	902 FPS
medium	739 FPS	791 FPS
high	646 FPS	690 FPS
ultra	568 FPS	586 FPS
4K
low	619 FPS	649 FPS
medium	555 FPS	579 FPS
high	491 FPS	510 FPS
ultra	430 FPS	437 FPS

Open Core i9-13900 Open Ryzen 9 7845HX

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i9-13900 and Ryzen 9 7845HX

Core i9-13900

The Core i9-13900 is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-S (2023−2024) architecture. It features 24 cores and 32 threads. Base frequency is 2 GHz, with boost up to 5.5 GHz. L3 cache: 36 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR5-5600, DDR4-3200. Passmark benchmark score: 45,252 points. Launch price was $549.

Ryzen 9 7845HX

The Ryzen 9 7845HX is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Dragon Range-HX (Zen 4) (2023−2024) architecture. It features 12 cores and 24 threads. Base frequency is 3 GHz, with boost up to 5.2 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on CCD = 5 nm, I/O = 6 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 44,940 points. Launch price was $499.

⚡

Processing Power

The Core i9-13900 packs 24 cores / 32 threads, while the Ryzen 9 7845HX offers 12 cores / 24 threads — the Core i9-13900 has 12 more cores. Boost clocks reach 5.5 GHz on the Core i9-13900 versus 5.2 GHz on the Ryzen 9 7845HX — a 5.6% clock advantage for the Core i9-13900 (base: 2 GHz vs 3 GHz). The Core i9-13900 uses the Raptor Lake-S (2023−2024) architecture (Intel 7 nm), while the Ryzen 9 7845HX uses Dragon Range-HX (Zen 4) (2023−2024) (CCD = 5 nm, I/O = 6 nm). In PassMark, the Core i9-13900 scores 45,252 against the Ryzen 9 7845HX's 44,940 — a 0.7% lead for the Core i9-13900. L3 cache: 36 MB (total) on the Core i9-13900 vs 64 MB (total) on the Ryzen 9 7845HX.

Feature	Core i9-13900	Ryzen 9 7845HX
Cores / Threads	24 / 32+100%	12 / 24
Boost Clock	5.5 GHz+6%	5.2 GHz
Base Clock	2 GHz	3 GHz+50%
L3 Cache	36 MB (total)	64 MB (total)+78%
L2 Cache	2 MB (per core)+100%	1 MB (per core)
Process	Intel 7 nm	CCD = 5 nm, I/O = 6 nm-29%
Architecture	Raptor Lake-S (2023−2024)	Dragon Range-HX (Zen 4) (2023−2024)
PassMark	45,252	44,940
Cinebench R23 Multi	—	26,654
Geekbench 6 Single	—	2,697
Geekbench 6 Multi	—	15,039

🧠

Memory & Platform

The Core i9-13900 uses the LGA1700 socket (PCIe 5.0), while the Ryzen 9 7845HX uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5600 on the Core i9-13900 versus DDR5-5200 on the Ryzen 9 7845HX — the Core i9-13900 supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i9-13900 supports up to 128 of RAM compared to 64 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i9-13900) vs 28 (Ryzen 9 7845HX) — the Ryzen 9 7845HX offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z790,B760 (Core i9-13900) and FL1 (Ryzen 9 7845HX).

Feature	Core i9-13900	Ryzen 9 7845HX
Socket	LGA1700	FL1
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	5600+111900%	DDR5-5200
Max RAM Capacity	128	64 GB+52428700%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	20	28+40%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 7845HX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i9-13900) vs AMD-V (Ryzen 9 7845HX). Both include integrated graphics — Intel UHD Graphics 770 (Core i9-13900) and Radeon 610M (Ryzen 9 7845HX) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Ryzen 9 7845HX targets High-end Gaming / Content Creation. Direct competitor: Core i9-13900 rivals Ryzen 9 7900X; Ryzen 9 7845HX rivals Core i9-13900HX.

Feature	Core i9-13900	Ryzen 9 7845HX
Integrated GPU	Yes	Yes
IGPU Model	Intel UHD Graphics 770	Radeon 610M
Unlocked	Yes	Yes
AVX-512	No	Yes
Virtualization	VT-x, VT-d	AMD-V
Target Use	—	High-end Gaming / Content Creation