Core i7-7740X vs Ryzen 3 PRO 4450U

Core i7-7740X vs Ryzen 3 PRO 4450U Performance Spectrum

Core i7-7740X

4 / 8

9,678

+1.9%

9,493

0.0%

Ryzen Threadripper PRO 3995WX

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 i7-7740X vs Ryzen 3 PRO 4450U 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 i7-7740X vs Ryzen 3 PRO 4450U: Pros, Cons & Final Verdict

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

Core i7-7740X

2017

Why buy it

✅Better for gaming: +9.3% higher average FPS across 50 shared CPU benchmark tests.
✅+100% larger total L3 cache (8 MB vs 4 MB).
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $339 MSRP, while Ryzen 3 PRO 4450U mostly shows up through inconsistent older-market listings.
❌646.7% higher power demand at 112W vs 15W.

Ryzen 3 PRO 4450U

2020

Why buy it

✅Draws 15W instead of 112W, a 97W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-7740X across 50 shared CPU benchmark tests.
❌Lower PassMark (9,493 vs 9,678).
❌Smaller total L3 cache (4 MB vs 8 MB).

Quick Answers

So, is Core i7-7740X better than Ryzen 3 PRO 4450U?

Yes. Core i7-7740X is the better all-around CPU here. It gives you a 9.3% average FPS lead across 50 shared CPU game tests in our data and 1.9% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core i7-7740X is the better pick. According to our tests, it delivers 9.3% 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, Core i7-7740X is the stronger fit. You are getting 1.9% better PassMark, backed by 4 cores and 8 threads. It also has the larger cache pool with 100% larger total L3 cache (8 MB vs 4 MB).

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

Core i7-7740X is the better buy right now. Core i7-7740X comes in at an unclear MSRP at $339 MSRP versus unclear MSRP, and it still gives you a 9.3% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (28.5 vs 0.0 PassMark/$), 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 3 PRO 4450U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2017). That makes it the safer long-term bet.

Core i7-7740X vs Ryzen 3 PRO 4450U Technical Specifications

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

Core i7-7740X

The Core i7-7740X is manufactured by Intel. It was released in 26 June 2017 (8 years ago). It is based on the Kaby Lake-X (2017) architecture. It features 4 cores and 8 threads. Base frequency is 4.3 GHz, with boost up to 4.5 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 112 Watt. Memory support: DDR4. Passmark benchmark score: 9,678 points. Launch price was $339.

Ryzen 3 PRO 4450U

The Ryzen 3 PRO 4450U is manufactured by AMD. It was released in 7 May 2020 (5 years ago). It is based on the Renoir PRO (Zen 2) (2020) architecture. It features 4 cores and 8 threads. Base frequency is 2.4 GHz, with boost up to 3.7 GHz. L3 cache: 4 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: FP6. Thermal design power (TDP): 15 Watt. Memory support: DDR4-4266. Passmark benchmark score: 9,493 points. Launch price was $149.

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Processing Power

Both the Core i7-7740X and Ryzen 3 PRO 4450U share an identical 4-core/8-thread configuration. Boost clocks reach 4.5 GHz on the Core i7-7740X versus 3.7 GHz on the Ryzen 3 PRO 4450U — a 19.5% clock advantage for the Core i7-7740X (base: 4.3 GHz vs 2.4 GHz). The Core i7-7740X uses the Kaby Lake-X (2017) architecture (14 nm), while the Ryzen 3 PRO 4450U uses Renoir PRO (Zen 2) (2020) (7 nm). In PassMark, the Core i7-7740X scores 9,678 against the Ryzen 3 PRO 4450U's 9,493 — a 1.9% lead for the Core i7-7740X. L3 cache: 8 MB (total) on the Core i7-7740X vs 4 MB (total) on the Ryzen 3 PRO 4450U.

Feature	Core i7-7740X	Ryzen 3 PRO 4450U
Cores / Threads	4 / 8	4 / 8
Boost Clock	4.5 GHz+22%	3.7 GHz
Base Clock	4.3 GHz+79%	2.4 GHz
L3 Cache	8 MB (total)+100%	4 MB (total)
L2 Cache	256K (per core)	512K (per core)+100%
Process	14 nm	7 nm-50%
Architecture	Kaby Lake-X (2017)	Renoir PRO (Zen 2) (2020)
PassMark	9,678+2%	9,493

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Memory & Platform

The Core i7-7740X uses the LGA2066 socket (PCIe 3.0), while the Ryzen 3 PRO 4450U uses FP6 (PCIe 3.0) — making them incompatible on the same motherboard.