Core i7-6650U vs Pentium Gold G6400T

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 i7-6650U vs Pentium Gold G6400T 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 i7-6650U vs Pentium Gold G6400T: Pros, Cons & Final Verdict

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

Core i7-6650U

2015

Why buy it

✅+0.4% higher PassMark.
✅Draws 15W instead of 35W, a 20W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Pentium Gold G6400T across 50 shared CPU benchmark tests.

Pentium Gold G6400T

2020

Why buy it

✅Better for gaming: +3.2% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Lower PassMark (3,544 vs 3,557).
❌133.3% higher power demand at 35W vs 15W.

Quick Answers

So, is Core i7-6650U better than Pentium Gold G6400T?

It depends on what you want from the system. For gaming, Pentium Gold G6400T is ahead with a 3.2% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i7-6650U pulls ahead with 0.4% better PassMark.

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

For streaming, content creation, and heavier multitasking, Core i7-6650U is the stronger fit. You are getting 0.4% better PassMark, backed by 2 cores and 4 threads.

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

Core i7-6650U still makes the most sense overall. Core i7-6650U comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 0.4% better PassMark.

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

Pentium Gold G6400T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2015). That makes it the safer long-term bet.

Core i7-6650U vs Pentium Gold G6400T Technical Specifications

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

Core i7-6650U

The Core i7-6650U is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 4 threads. Base frequency is 2.2 GHz, with boost up to 3.4 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 3,557 points. Launch price was $415.

Pentium Gold G6400T

The Pentium Gold G6400T is manufactured by Intel. It was released in 2007-01-01. It features 2 cores and 4 threads. Base frequency: 3.4 GHz. L3 cache: 4 MB Intel® Smart Cache. Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2666. Passmark benchmark score: 3,544 points. Launch price was $69.

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Processing Power

Both the Core i7-6650U and Pentium Gold G6400T share an identical 2-core/4-thread configuration. The Core i7-6650U is built on the Skylake (2015−2016) architecture. In PassMark, the Core i7-6650U scores 3,557 against the Pentium Gold G6400T's 3,544 — a 0.4% lead for the Core i7-6650U. L3 cache: 4 MB on the Core i7-6650U vs 4 MB Intel® Smart Cache on the Pentium Gold G6400T.

Feature	Core i7-6650U	Pentium Gold G6400T
Cores / Threads	2 / 4	2 / 4
Boost Clock	3.4 GHz	—
Base Clock	2.2 GHz	3.4 GHz+55%
L3 Cache	4 MB	4 MB Intel® Smart Cache
L2 Cache	512 kB	—
Process	14 nm	14 nm
Architecture	Skylake (2015−2016)	—
PassMark	3,557	3,544

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Memory & Platform

The Core i7-6650U uses the BGA1356 socket (PCIe 3.0), while the Pentium Gold G6400T uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.