Athlon X4 850 vs Core i7-5550U

Athlon X4 850 vs Core i7-5550U Performance Spectrum

Athlon X4 850

4 / 4

2,756

0.0%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Core i7-5550U

2 / 4

2,780

+0.9%

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.

Athlon X4 850 vs Core i7-5550U 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.

Athlon X4 850 vs Core i7-5550U: Pros, Cons & Final Verdict

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

Athlon X4 850

2015

Why buy it

✅Draws 65W instead of 512W, a 447W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (2,756 vs 2,780).
❌Launch MSRP is still $77 MSRP, while Core i7-5550U mostly shows up through inconsistent older-market listings.

Core i7-5550U

2015

Why buy it

✅+0.9% higher PassMark.

Trade-offs

❌687.7% higher power demand at 512W vs 65W.

Quick Answers

So, is Athlon X4 850 better than Core i7-5550U?

It depends on what you want from the system. For gaming, Athlon X4 850 is ahead with a 2.8% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i7-5550U pulls ahead with 0.9% better PassMark.

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

For streaming, content creation, and heavier multitasking, Core i7-5550U is the stronger fit. You are getting 0.9% better PassMark, backed by 2 cores and 4 threads.

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

Athlon X4 850 is the better buy right now. Athlon X4 850 comes in at an unclear MSRP at $77 MSRP versus unclear MSRP, and it still gives you a 2.8% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Core i7-5550U is still stronger for heavier multi-core work with 0.9% better PassMark. It is also 100.0% better value on MSRP (35.8 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Core i7-5550U is the safer long-term CPU choice because it gives you more room to grow and a better platform outlook.

Athlon X4 850 vs Core i7-5550U Technical Specifications

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

Athlon X4 850

The Athlon X4 850 is manufactured by AMD. It was released in 2009-01-01. It is based on the Godaveri (2014−2016) architecture. It features 4 cores and 4 threads. Base frequency is 3.2 GHz, with boost up to 3.9 GHz. L2 cache: 4 MB. Built on 28 nm process technology. Socket: FM2+. Thermal design power (TDP): 65 Watt. Memory support: DDR3-2133. Passmark benchmark score: 2,756 points. Launch price was $149.

Core i7-5550U

The Core i7-5550U is manufactured by Intel. It was released in 1 March 2015 (10 years ago). It is based on the Broadwell-U (2015) architecture. It features 2 cores and 4 threads. Base frequency is 2 GHz, with boost up to 3 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 2,780 points. Launch price was $426.

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Processing Power

The Athlon X4 850 packs 4 cores / 4 threads, while the Core i7-5550U offers 2 cores / 4 threads — the Athlon X4 850 has 2 more cores. Boost clocks reach 3.9 GHz on the Athlon X4 850 versus 3 GHz on the Core i7-5550U — a 26.1% clock advantage for the Athlon X4 850 (base: 3.2 GHz vs 2 GHz). The Athlon X4 850 uses the Godaveri (2014−2016) architecture (28 nm), while the Core i7-5550U uses Broadwell-U (2015) (14 nm). In PassMark, the Athlon X4 850 scores 2,756 against the Core i7-5550U's 2,780 — a 0.9% lead for the Core i7-5550U.

Feature	Athlon X4 850	Core i7-5550U
Cores / Threads	4 / 4+100%	2 / 4
Boost Clock	3.9 GHz+30%	3 GHz
Base Clock	3.2 GHz+60%	2 GHz
L3 Cache	—	4 MB (total)
L2 Cache	4 MB	256K (per core)+6300%
Process	28 nm	14 nm-50%
Architecture	Godaveri (2014−2016)	Broadwell-U (2015)
PassMark	2,756	2,780

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Memory & Platform

The Athlon X4 850 uses the FM2+ socket (PCIe 3.0), while the Core i7-5550U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard.