Core i3-9100T vs Opteron 6366 HE

Core i3-9100T vs Opteron 6366 HE Performance Spectrum

Core i3-9100T

4 / 4

5,600

0.0%

5,613

+0.2%

Ryzen Embedded R1305G

Ryzen Threadripper PRO 3975WX

Ryzen Threadripper PRO 7965WX

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 i3-9100T vs Opteron 6366 HE 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 i3-9100T vs Opteron 6366 HE: Pros, Cons & Final Verdict

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

Core i3-9100T

2019

Why buy it

✅Draws 35W instead of 85W, a 50W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Opteron 6366 HE across 50 shared CPU benchmark tests.
❌Lower PassMark (5,600 vs 5,613).
❌Smaller total L3 cache (6 MB vs 8 MB).
❌Less compelling for workstation-style loads than Opteron 6366 HE, which brings 16 cores / 16 threads.
❌Launch MSRP is still $122 MSRP, while Opteron 6366 HE mostly shows up through inconsistent older-market listings.

Opteron 6366 HE

2012

Why buy it

✅Better for gaming: +15.1% higher average FPS across 50 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (8 MB vs 6 MB).
✅Better for workstations and heavier parallel workloads: 16 cores / 16 threads.

Trade-offs

❌142.9% higher power demand at 85W vs 35W.

Quick Answers

So, is Opteron 6366 HE better than Core i3-9100T?

Not really, because they are built for different jobs. Opteron 6366 HE makes more sense for workstation-style multi-core throughput, while Core i3-9100T is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Opteron 6366 HE is the better pick. According to our tests, it delivers 15.1% 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, Opteron 6366 HE is the stronger fit. You are getting 0.2% better PassMark, backed by 16 cores and 16 threads. It also has the larger cache pool with 33.3% larger total L3 cache (8 MB vs 6 MB).

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

Opteron 6366 HE is still the better call for a fresh build. Opteron 6366 HE comes in at an unclear MSRP at unclear MSRP versus $122 MSRP, and it still gives you a 15.1% average FPS lead across 50 shared CPU game tests in our data. Core i3-9100T only looks stronger on raw value math because it is so cheap, but its absolute performance tier is too low to be the better recommendation now. At roughly 5,600 PassMark with 4 cores and 4 threads, it only really makes sense as a bare-minimum stopgap or a very constrained existing-platform upgrade.

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

Core i3-9100T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2012). That makes it the safer long-term bet.

Core i3-9100T vs Opteron 6366 HE Technical Specifications

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

Core i3-9100T

The Core i3-9100T is manufactured by Intel. It was released in 1 September 2018 (7 years ago). It is based on the Coffee Lake (2017−2019) architecture. It features 4 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.7 GHz. L3 cache: 6 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: 5,600 points. Launch price was $122.

Opteron 6366 HE

The Opteron 6366 HE is manufactured by AMD. It was released in 2015-01-01. It is based on the Abu Dhabi (2012) architecture. It features 16 cores and 16 threads. Base frequency is 1.8 GHz, with boost up to 3.1 GHz. L3 cache: 8 MB (total). L2 cache: 16 MB. Built on 32 nm process technology. Socket: G34. Thermal design power (TDP): 85 Watt. Memory support: DDR3. Passmark benchmark score: 5,613 points. Launch price was $800.

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Processing Power

The Core i3-9100T packs 4 cores / 4 threads, while the Opteron 6366 HE offers 16 cores / 16 threads — the Opteron 6366 HE has 12 more cores. Boost clocks reach 3.7 GHz on the Core i3-9100T versus 3.1 GHz on the Opteron 6366 HE — a 17.6% clock advantage for the Core i3-9100T (base: 3.1 GHz vs 1.8 GHz). The Core i3-9100T uses the Coffee Lake (2017−2019) architecture (14 nm), while the Opteron 6366 HE uses Abu Dhabi (2012) (32 nm). In PassMark, the Core i3-9100T scores 5,600 against the Opteron 6366 HE's 5,613 — a 0.2% lead for the Opteron 6366 HE. L3 cache: 6 MB (total) on the Core i3-9100T vs 8 MB (total) on the Opteron 6366 HE.

Feature	Core i3-9100T	Opteron 6366 HE
Cores / Threads	4 / 4	16 / 16+300%
Boost Clock	3.7 GHz+19%	3.1 GHz
Base Clock	3.1 GHz+72%	1.8 GHz
L3 Cache	6 MB (total)	8 MB (total)+33%
L2 Cache	256K (per core)+1500%	16 MB
Process	14 nm-56%	32 nm
Architecture	Coffee Lake (2017−2019)	Abu Dhabi (2012)
PassMark	5,600	5,613

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Memory & Platform

The Core i3-9100T uses the LGA1151 socket (PCIe 3.0), while the Opteron 6366 HE uses G34 (PCIe 2.0) — making them incompatible on the same motherboard.