Core i7-9700K vs Ryzen 5 PRO 8645HS

Intel

Core i7-9700K

8 Cores8 Thrd95 WWMax: 4.9 GHz2018
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VS
AMD

Ryzen 5 PRO 8645HS

6 Cores12 Thrd45 WWMax: 5 GHz2024
Similar parts
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Core i7-9700K vs Ryzen 5 PRO 8645HS 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 i7-9700K vs Ryzen 5 PRO 8645HS 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 i7-9700K vs Ryzen 5 PRO 8645HS: Pros, Cons & Final Verdict

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

Core i7-9700K

2018

Why buy it

  • 100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
  • Integrated graphics onboard with UHD Graphics 630, while Ryzen 5 PRO 8645HS needs a discrete GPU.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 5 PRO 8645HS across 50 shared CPU benchmark tests.
  • Lower PassMark (14,397 vs 23,227).
  • Smaller total L3 cache (12 MB vs 16 MB).
  • Launch MSRP is still $385 MSRP, while Ryzen 5 PRO 8645HS mostly shows up through inconsistent older-market listings.
  • 111.1% higher power demand at 95W vs 45W.

Ryzen 5 PRO 8645HS

2024

Why buy it

  • Better for gaming: +5.0% higher average FPS across 50 shared CPU benchmark tests.
  • +33.3% larger total L3 cache (16 MB vs 12 MB).
  • Draws 45W instead of 95W, a 50W reduction.
  • Newer platform on FP7 with DDR5 support instead of LGA1151 and DDR4.

Trade-offs

  • No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 5 PRO 8645HS better than Core i7-9700K?
Yes. Ryzen 5 PRO 8645HS is the better all-around CPU here. It gives you a 5.0% average FPS lead across 50 shared CPU game tests in our data, 61.3% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Ryzen 5 PRO 8645HS is the better pick. According to our tests, it delivers 5.0% more average FPS across 50 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen 5 PRO 8645HS is the stronger fit. You are getting 61.3% better PassMark, backed by 6 cores and 12 threads. It also has the larger cache pool with 33.3% larger total L3 cache (16 MB vs 12 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 5 PRO 8645HS is still the much better call for a fresh build. Ryzen 5 PRO 8645HS comes in at an unclear MSRP at unclear MSRP versus $385 MSRP, and it still gives you a 5.0% average FPS lead across 50 shared CPU game tests in our data. Core i7-9700K only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2018 platform. Even with 100.0% better value on paper (37.4 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA1151.
Which one is more future-proof for 2026 and beyond?
Ryzen 5 PRO 8645HS makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2018), a healthier platform with FP7 and DDR5 instead of LGA1151, 33.3% larger total L3 cache (16 MB vs 12 MB), and more multi-core headroom with 6 cores / 12 threads instead of 8/8. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i7-9700K vs Ryzen 5 PRO 8645HS Technical Specifications

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

Intel

Core i7-9700K

The Core i7-9700K is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4. Passmark benchmark score: 14,397 points. Launch price was $374.

AMD

Ryzen 5 PRO 8645HS

The Ryzen 5 PRO 8645HS is manufactured by AMD. It was released in 16 April 2024 (1 year ago). It is based on the Hawk Point (2024−2025) architecture. It features 6 cores and 12 threads. Base frequency is 4.3 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP7. Thermal design power (TDP): 45 Watt. Memory support: DDR5. Passmark benchmark score: 23,227 points. Launch price was $299.

Processing Power

The Core i7-9700K packs 8 cores / 8 threads, while the Ryzen 5 PRO 8645HS offers 6 cores / 12 threads — the Core i7-9700K has 2 more cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 5 GHz on the Ryzen 5 PRO 8645HS — a 2% clock advantage for the Ryzen 5 PRO 8645HS (base: 3.6 GHz vs 4.3 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Ryzen 5 PRO 8645HS uses Hawk Point (2024−2025) (4 nm). In PassMark, the Core i7-9700K scores 14,397 against the Ryzen 5 PRO 8645HS's 23,227 — a 46.9% lead for the Ryzen 5 PRO 8645HS. L3 cache: 12 MB (total) on the Core i7-9700K vs 16 MB (total) on the Ryzen 5 PRO 8645HS.

FeatureCore i7-9700KRyzen 5 PRO 8645HS
Cores / Threads
8 / 8+33%
6 / 12
Boost Clock
4.9 GHz
5 GHz+2%
Base Clock
3.6 GHz
4.3 GHz+19%
L3 Cache
12 MB (total)
16 MB (total)+33%
L2 Cache
256K (per core)+25500%
1 MB (per core)
Process
14 nm
4 nm-71%
Architecture
Coffee Lake-R (2018−2019)
Hawk Point (2024−2025)
PassMark
14,397
23,227+61%
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Memory & Platform

The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Ryzen 5 PRO 8645HS uses FP7 (PCIe 4.0) — making them incompatible on the same motherboard.

FeatureCore i7-9700KRyzen 5 PRO 8645HS
Socket
LGA1151
FP7
PCIe Generation
PCIe 3.0
PCIe 4.0+33%
Max RAM Speed
DDR4-2666
Max RAM Capacity
128 GB
RAM Channels
2
ECC Support
No
PCIe Lanes
16
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Advanced Features

Virtualization: VT-x, VT-d (Core i7-9700K) / not specified (Ryzen 5 PRO 8645HS). The Core i7-9700K includes integrated graphics (UHD Graphics 630), while the Ryzen 5 PRO 8645HS requires a dedicated GPU. Primary use case: Core i7-9700K targets Desktop.

FeatureCore i7-9700KRyzen 5 PRO 8645HS
Integrated GPU
Yes
IGPU Model
UHD Graphics 630
Unlocked
Yes
AVX-512
No
Virtualization
VT-x, VT-d
Target Use
Desktop