Core i9-13900H vs Ryzen 5 PRO 7645

Intel

Core i9-13900H

14 Cores20 Thrd45 WWMax: 5.4 GHz2023
Core family
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VS
AMD

Ryzen 5 PRO 7645

6 Cores12 Thrd65 WWMax: 5.1 GHz2023
Similar parts
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Core i9-13900H vs Ryzen 5 PRO 7645 Performance Spectrum

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.

Core i9-13900H vs Ryzen 5 PRO 7645 FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i9-13900H vs Ryzen 5 PRO 7645: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

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.

Quick Answers

So, is Ryzen 5 PRO 7645 better than Core i9-13900H?
It depends on what you want from the system. 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 stronger fit. You are getting 0.4% better PassMark, backed by 6 cores and 12 threads. It also has 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 better buy right now. Ryzen 5 PRO 7645 comes in $388 cheaper on MSRP at $229 MSRP versus $617 MSRP, and it still gives you 0.4% better PassMark. The compromise is that Core i9-13900H is still the better pure gaming CPU with a 2.0% average FPS lead across 50 shared CPU game tests in our data. It is also 170.6% better value on MSRP (120.4 vs 44.5 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen 5 PRO 7645 makes more sense long term 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 gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i9-13900H vs Ryzen 5 PRO 7645 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Intel

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.

AMD

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.

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.

FeatureCore i9-13900HRyzen 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
🧠

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.

FeatureCore i9-13900HRyzen 5 PRO 7645
Socket
FCBGA1744
AM5
PCIe Generation
PCIe 5.0+25%
PCIe 4.0
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Value Analysis

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

FeatureCore i9-13900HRyzen 5 PRO 7645
MSRP
$617
$229-63%
Performance per Dollar
44.5
120.4+171%
Release Date
2023
2023

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