Pentium Gold G6405T vs Pentium Silver J5005

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.

Pentium Gold G6405T vs Pentium Silver J5005 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.

Pentium Gold G6405T vs Pentium Silver J5005: Pros, Cons & Final Verdict

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

Pentium Gold G6405T

2021

Why buy it

Trade-offs

❌Lower PassMark (3,095 vs 3,125).
❌250% higher power demand at 35W vs 10W.

Pentium Silver J5005

2017

Why buy it

✅+1% higher PassMark.
✅Draws 10W instead of 35W, a 25W reduction.

Trade-offs

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

Quick Answers

So, is Pentium Silver J5005 better than Pentium Gold G6405T?

It depends on what you want from the system. For gaming, Pentium Gold G6405T is ahead with a 0.2% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Pentium Silver J5005 pulls ahead with 1% better PassMark.

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

For streaming, content creation, and heavier multitasking, Pentium Silver J5005 is the stronger fit. You are getting 1% better PassMark, backed by 4 cores and 4 threads.

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

Pentium Silver J5005 still makes the most sense overall. Pentium Silver J5005 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 1% better PassMark.

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

Pentium Gold G6405T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2017). That makes it the safer long-term bet.

Pentium Gold G6405T vs Pentium Silver J5005 Technical Specifications

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

Pentium Gold G6405T

The Pentium Gold G6405T is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Comet Lake-R (2021) architecture. It features 2 cores and 4 threads. Base frequency is 3.5 GHz, with boost up to 3.5 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2666. Passmark benchmark score: 3,095 points. Launch price was $64.

Pentium Silver J5005

The Pentium Silver J5005 is manufactured by Intel. It was released in 11 December 2017 (7 years ago). It is based on the Goldmont Plus (2017) architecture. It features 4 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 2.8 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1090. Thermal design power (TDP): 10 Watt. Memory support: upto-2400. Passmark benchmark score: 3,125 points. Launch price was $161.

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Processing Power

The Pentium Gold G6405T packs 2 cores / 4 threads, while the Pentium Silver J5005 offers 4 cores / 4 threads — the Pentium Silver J5005 has 2 more cores. Boost clocks reach 3.5 GHz on the Pentium Gold G6405T versus 2.8 GHz on the Pentium Silver J5005 — a 22.2% clock advantage for the Pentium Gold G6405T (base: 3.5 GHz vs 1.5 GHz). The Pentium Gold G6405T uses the Comet Lake-R (2021) architecture (14 nm), while the Pentium Silver J5005 uses Goldmont Plus (2017) (14 nm). In PassMark, the Pentium Gold G6405T scores 3,095 against the Pentium Silver J5005's 3,125 — a 1% lead for the Pentium Silver J5005. Both processors carry 4 MB (total) of L3 cache.

Feature	Pentium Gold G6405T	Pentium Silver J5005
Cores / Threads	2 / 4	4 / 4+100%
Boost Clock	3.5 GHz+25%	2.8 GHz
Base Clock	3.5 GHz+133%	1.5 GHz
L3 Cache	4 MB (total)	4 MB (total)
L2 Cache	256 kB (per core)	256K (per core)
Process	14 nm	14 nm
Architecture	Comet Lake-R (2021)	Goldmont Plus (2017)
PassMark	3,095	3,125

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Memory & Platform

The Pentium Gold G6405T uses the LGA1200 socket (PCIe 3.0), while the Pentium Silver J5005 uses FCBGA1090 (PCIe 3.0) — making them incompatible on the same motherboard.