Core i7-5557U vs Pentium Gold G5400T

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 i7-5557U vs Pentium Gold G5400T 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 i7-5557U vs Pentium Gold G5400T: Pros, Cons & Final Verdict

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

Core i7-5557U

2015

Why buy it

Trade-offs

❌Lower PassMark (3,153 vs 3,156).
❌1362.9% higher power demand at 512W vs 35W.

Pentium Gold G5400T

2018

Why buy it

✅+0.1% higher PassMark.
✅Draws 35W instead of 512W, a 477W reduction.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Pentium Gold G5400T better than Core i7-5557U?

It depends on what you want from the system. For gaming, Core i7-5557U is ahead with a 0.4% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Pentium Gold G5400T pulls ahead with 0.1% better PassMark.

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

For streaming, content creation, and heavier multitasking, Pentium Gold G5400T is the stronger fit. You are getting 0.1% better PassMark, backed by 2 cores and 4 threads.

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

Pentium Gold G5400T still makes the most sense overall. Pentium Gold G5400T comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 0.1% better PassMark.

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

Pentium Gold G5400T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2018 vs 2015) and more multi-core headroom with 2 cores / 4 threads instead of 2/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i7-5557U vs Pentium Gold G5400T Technical Specifications

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

Core i7-5557U

The Core i7-5557U 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 3.1 GHz, with boost up to 3.4 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 28 Watt. Memory support: DDR3. Passmark benchmark score: 3,153 points. Launch price was $426.

Pentium Gold G5400T

The Pentium Gold G5400T is manufactured by Intel. It was released in 2 April 2018 (7 years ago). It is based on the Coffee Lake (2017−2019) architecture. It features 2 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.1 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2400. Passmark benchmark score: 3,156 points. Launch price was $64.

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Processing Power

Both the Core i7-5557U and Pentium Gold G5400T share an identical 2-core/4-thread configuration. Boost clocks reach 3.4 GHz on the Core i7-5557U versus 3.1 GHz on the Pentium Gold G5400T — a 9.2% clock advantage for the Core i7-5557U (base: 3.1 GHz vs 3.1 GHz). The Core i7-5557U uses the Broadwell-U (2015) architecture (14 nm), while the Pentium Gold G5400T uses Coffee Lake (2017−2019) (14 nm). In PassMark, the Core i7-5557U scores 3,153 against the Pentium Gold G5400T's 3,156 — a 0.1% lead for the Pentium Gold G5400T. Both processors carry 4 MB (total) of L3 cache.

Feature	Core i7-5557U	Pentium Gold G5400T
Cores / Threads	2 / 4	2 / 4
Boost Clock	3.4 GHz+10%	3.1 GHz
Base Clock	3.1 GHz	3.1 GHz
L3 Cache	4 MB (total)	4 MB (total)
L2 Cache	256K (per core)	256K (per core)
Process	14 nm	14 nm
Architecture	Broadwell-U (2015)	Coffee Lake (2017−2019)
PassMark	3,153	3,156

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Memory & Platform

The Core i7-5557U uses the FCBGA1168 socket (PCIe 3.0), while the Pentium Gold G5400T uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.