Ryzen 5 PRO 8645HS vs Ryzen Threadripper 1920X

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.

Ryzen 5 PRO 8645HS vs Ryzen Threadripper 1920X 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.

Ryzen 5 PRO 8645HS vs Ryzen Threadripper 1920X: Pros, Cons & Final Verdict

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

Ryzen 5 PRO 8645HS

2024

Why buy it

✅Draws 45W instead of 180W, a 135W reduction.
✅Newer platform on FP7 with DDR5 support instead of SP3r2 and DDR4.

Trade-offs

❌Smaller total L3 cache (16 MB vs 32 MB).
❌Less compelling for workstation-style loads than Ryzen Threadripper 1920X, which brings 12 cores / 24 threads.

Ryzen Threadripper 1920X

2017

Why buy it

✅+100% larger total L3 cache (32 MB vs 16 MB).
✅Better for workstations and heavier parallel workloads: 12 cores / 24 threads.

Trade-offs

❌Lower PassMark (23,150 vs 23,227).
❌Launch MSRP is still $799 MSRP, while Ryzen 5 PRO 8645HS mostly shows up through inconsistent older-market listings.
❌300% higher power demand at 180W vs 45W.
❌Older platform position on SP3r2 with DDR4, while Ryzen 5 PRO 8645HS moves to FP7 and DDR5.

Quick Answers

So, is Ryzen 5 PRO 8645HS better than Ryzen Threadripper 1920X?

Not really, because they are built for different jobs. Ryzen Threadripper 1920X makes more sense for workstation-style multi-core throughput, while Ryzen 5 PRO 8645HS is the more practical desktop choice for gaming, platform cost, and everyday use.

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 2.5% 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 0.3% better PassMark, backed by 6 cores and 12 threads.

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

Ryzen 5 PRO 8645HS is still the faster CPU overall, but Ryzen Threadripper 1920X is easier to justify if budget matters more than peak performance. Ryzen 5 PRO 8645HS comes in at an unclear MSRP at unclear MSRP versus $799 MSRP, and it still gives you a 2.5% average FPS lead across 50 shared CPU game tests in our data. Ryzen Threadripper 1920X is also 100.0% better value on MSRP (29.0 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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 2017), a healthier platform with FP7 and DDR5 instead of SP3r2, and more multi-core headroom with 6 cores / 12 threads instead of 12/24. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Ryzen 5 PRO 8645HS vs Ryzen Threadripper 1920X Technical Specifications

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

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.

Ryzen Threadripper 1920X

The Ryzen Threadripper 1920X is manufactured by AMD. It was released in 10 August 2017 (8 years ago). It is based on the Zen (2017−2020) architecture. It features 12 cores and 24 threads. Base frequency is 3.5 GHz, with boost up to 4.2 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 14 nm process technology. Socket: SP3r2. Thermal design power (TDP): 180 Watt. Memory support: DDR4 Quad-channel. Passmark benchmark score: 23,150 points. Launch price was $799.

⚡

Processing Power

The Ryzen 5 PRO 8645HS packs 6 cores / 12 threads, while the Ryzen Threadripper 1920X offers 12 cores / 24 threads — the Ryzen Threadripper 1920X has 6 more cores. Boost clocks reach 5 GHz on the Ryzen 5 PRO 8645HS versus 4.2 GHz on the Ryzen Threadripper 1920X — a 17.4% clock advantage for the Ryzen 5 PRO 8645HS (base: 4.3 GHz vs 3.5 GHz). The Ryzen 5 PRO 8645HS uses the Hawk Point (2024−2025) architecture (4 nm), while the Ryzen Threadripper 1920X uses Zen (2017−2020) (14 nm). In PassMark, the Ryzen 5 PRO 8645HS scores 23,227 against the Ryzen Threadripper 1920X's 23,150 — a 0.3% lead for the Ryzen 5 PRO 8645HS. L3 cache: 16 MB (total) on the Ryzen 5 PRO 8645HS vs 32 MB on the Ryzen Threadripper 1920X.

Feature	Ryzen 5 PRO 8645HS	Ryzen Threadripper 1920X
Cores / Threads	6 / 12	12 / 24+100%
Boost Clock	5 GHz+19%	4.2 GHz
Base Clock	4.3 GHz+23%	3.5 GHz
L3 Cache	16 MB (total)	32 MB+100%
L2 Cache	1 MB (per core)	512K (per core)+51100%
Process	4 nm-71%	14 nm
Architecture	Hawk Point (2024−2025)	Zen (2017−2020)
PassMark	23,227	23,150

🧠

Memory & Platform

The Ryzen 5 PRO 8645HS uses the FP7 socket (PCIe 4.0), while the Ryzen Threadripper 1920X uses SP3r2 (PCIe 4.0) — making them incompatible on the same motherboard.