Core i9-13900H vs Ryzen 5 PRO 7645

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 i9-13900H

2023

Why buy it

✅Draws 45W instead of 65W, a 20W reduction.

Trade-offs

❌Lower PassMark (27,444 vs 27,565).
❌Smaller total L3 cache (24 MB vs 32 MB).
❌Lower PassMark per dollar, at 44.5 vs 120.4 PassMark/$ ($617 MSRP vs $229 MSRP).

Ryzen 5 PRO 7645

2023

Why buy it

✅+0.4% higher PassMark.
✅+33.3% larger total L3 cache (32 MB vs 24 MB).
✅Costs $388 less on MSRP ($229 MSRP vs $617 MSRP).
✅Delivers 170.6% more PassMark for each dollar spent, at 120.4 vs 44.5 PassMark/$ ($229 MSRP vs $617 MSRP).

Trade-offs

❌44.4% higher power demand at 65W vs 45W.

Core i9-13900H

2023

Ryzen 5 PRO 7645

2023

Why buy it

✅Draws 45W instead of 65W, a 20W reduction.

Why buy it

✅+0.4% higher PassMark.
✅+33.3% larger total L3 cache (32 MB vs 24 MB).
✅Costs $388 less on MSRP ($229 MSRP vs $617 MSRP).
✅Delivers 170.6% more PassMark for each dollar spent, at 120.4 vs 44.5 PassMark/$ ($229 MSRP vs $617 MSRP).

Trade-offs

❌Lower PassMark (27,444 vs 27,565).
❌Smaller total L3 cache (24 MB vs 32 MB).
❌Lower PassMark per dollar, at 44.5 vs 120.4 PassMark/$ ($617 MSRP vs $229 MSRP).

Trade-offs

❌44.4% higher power demand at 65W vs 45W.

Quick Answers

So, is Ryzen 5 PRO 7645 better than Core i9-13900H?

It depends on what matters more to you. For gaming, Core i9-13900H is ahead with a 2.0% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Ryzen 5 PRO 7645 pulls ahead with 0.4% better PassMark. Ryzen 5 PRO 7645 also has the bigger cache pool with 33.3% larger total L3 cache (32 MB vs 24 MB).

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

For streaming, content creation, and heavier multitasking, Ryzen 5 PRO 7645 is the better fit. You are getting 0.4% better PassMark, backed by 6 cores and 12 threads. It also carries the larger cache pool with 33.3% larger total L3 cache (32 MB vs 24 MB).

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

Ryzen 5 PRO 7645 is the smarter buy today. Ryzen 5 PRO 7645 is $388 cheaper on MSRP at $229 MSRP versus $617 MSRP, and it gives you 0.4% better PassMark. The trade-off is that Core i9-13900H is still the better pure gaming CPU with a 2.0% average FPS lead across 50 shared CPU game tests in our data. It is also 170.6% better value on MSRP (120.4 vs 44.5 PassMark/$), 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 5 PRO 7645 is the more future-proof choice for 2026 and beyond. You are getting 33.3% larger total L3 cache (32 MB vs 24 MB) and more multi-core headroom with 6 cores / 12 threads instead of 14/20. 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.

Core i9-13900H Benchmark Check

Ryzen 5 PRO 7645 Benchmark Check

Path of Exile 2

Preset	Core i9-13900H	Ryzen 5 PRO 7645
1080p
low	262 FPS	246 FPS
medium	253 FPS	228 FPS
high	210 FPS	197 FPS
ultra	180 FPS	171 FPS
1440p
low	223 FPS	217 FPS
medium	192 FPS	182 FPS
high	154 FPS	151 FPS
ultra	135 FPS	133 FPS
4K
low	154 FPS	151 FPS
medium	132 FPS	127 FPS
high	101 FPS	99 FPS
ultra	90 FPS	85 FPS

Open Core i9-13900H Open Ryzen 5 PRO 7645

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i9-13900H	Ryzen 5 PRO 7645
1080p
low	636 FPS	525 FPS
medium	543 FPS	441 FPS
high	458 FPS	370 FPS
ultra	417 FPS	332 FPS
1440p
low	554 FPS	451 FPS
medium	492 FPS	392 FPS
high	416 FPS	333 FPS
ultra	357 FPS	288 FPS
4K
low	325 FPS	283 FPS
medium	296 FPS	251 FPS
high	279 FPS	234 FPS
ultra	246 FPS	203 FPS

Open Core i9-13900H Open Ryzen 5 PRO 7645

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i9-13900H	Ryzen 5 PRO 7645
1080p
low	648 FPS	689 FPS
medium	530 FPS	689 FPS
high	467 FPS	689 FPS
ultra	405 FPS	689 FPS
1440p
low	591 FPS	689 FPS
medium	491 FPS	689 FPS
high	427 FPS	689 FPS
ultra	370 FPS	621 FPS
4K
low	434 FPS	539 FPS
medium	374 FPS	471 FPS
high	339 FPS	411 FPS
ultra	290 FPS	341 FPS

Open Core i9-13900H Open Ryzen 5 PRO 7645

League of Legends

League of Legends

Valorant

Preset	Core i9-13900H	Ryzen 5 PRO 7645
1080p
low	686 FPS	689 FPS
medium	686 FPS	689 FPS
high	686 FPS	689 FPS
ultra	672 FPS	689 FPS
1440p
low	686 FPS	689 FPS
medium	686 FPS	689 FPS
high	626 FPS	689 FPS
ultra	552 FPS	645 FPS
4K
low	555 FPS	675 FPS
medium	504 FPS	594 FPS
high	451 FPS	526 FPS
ultra	394 FPS	437 FPS

Open Core i9-13900H Open Ryzen 5 PRO 7645

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i9-13900H and Ryzen 5 PRO 7645

Core i9-13900H

The Core i9-13900H is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-H (2023−2024) architecture. It features 14 cores and 20 threads. Base frequency is 2.6 GHz, with boost up to 5.4 GHz. L3 cache: 24 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 45 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 27,444 points. Launch price was $617.

Ryzen 5 PRO 7645

The Ryzen 5 PRO 7645 is manufactured by AMD. It was released in 13 June 2023 (2 years ago). It is based on the Raphael (2023−2025) architecture. It features 6 cores and 12 threads. Base frequency is 3.8 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: AM5. Thermal design power (TDP): 65 Watt. Memory support: DDR5. Passmark benchmark score: 27,565 points. Launch price was $299.

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Processing Power

The Core i9-13900H packs 14 cores / 20 threads, while the Ryzen 5 PRO 7645 offers 6 cores / 12 threads — the Core i9-13900H has 8 more cores. Boost clocks reach 5.4 GHz on the Core i9-13900H versus 5.1 GHz on the Ryzen 5 PRO 7645 — a 5.7% clock advantage for the Core i9-13900H (base: 2.6 GHz vs 3.8 GHz). The Core i9-13900H uses the Raptor Lake-H (2023−2024) architecture (Intel 7 nm), while the Ryzen 5 PRO 7645 uses Raphael (2023−2025) (5 nm). In PassMark, the Core i9-13900H scores 27,444 against the Ryzen 5 PRO 7645's 27,565 — a 0.4% lead for the Ryzen 5 PRO 7645. L3 cache: 24 MB (total) on the Core i9-13900H vs 32 MB (total) on the Ryzen 5 PRO 7645.

Feature	Core i9-13900H	Ryzen 5 PRO 7645
Cores / Threads	14 / 20+133%	6 / 12
Boost Clock	5.4 GHz+6%	5.1 GHz
Base Clock	2.6 GHz	3.8 GHz+46%
L3 Cache	24 MB (total)	32 MB (total)+33%
L2 Cache	2 MB (per core)+100%	1 MB (per core)
Process	Intel 7 nm	5 nm-29%
Architecture	Raptor Lake-H (2023−2024)	Raphael (2023−2025)
PassMark	27,444	27,565

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Memory & Platform

The Core i9-13900H uses the FCBGA1744 socket (PCIe 5.0), while the Ryzen 5 PRO 7645 uses AM5 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Core i9-13900H	Ryzen 5 PRO 7645
Socket	FCBGA1744	AM5
PCIe Generation	PCIe 5.0+25%	PCIe 4.0

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Value Analysis

The Core i9-13900H launched at $617 MSRP, while the Ryzen 5 PRO 7645 debuted at $229. On MSRP ($617 vs $229), the Ryzen 5 PRO 7645 is $388 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-13900H delivers 44.5 pts/$ vs 120.4 pts/$ for the Ryzen 5 PRO 7645 — making the Ryzen 5 PRO 7645 the 92.1% better value option.