Core i3-9300T vs Opteron 6276

Core i3-9300T vs Opteron 6276 Performance Spectrum

Core i3-9300T

4 / 4

6,323

0.0%

6,348

+0.4%

Ryzen Embedded V1202B

Ryzen Embedded R1606G

Athlon Gold 7220U

Ryzen 3 PRO 2300U

Ryzen Threadripper 2920X

Ryzen 9 5900XT

Ryzen Threadripper 3970X

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 i3-9300T vs Opteron 6276 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 i3-9300T vs Opteron 6276: Pros, Cons & Final Verdict

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

Core i3-9300T

2019

Why buy it

✅Costs $479 less on MSRP ($309 MSRP vs $788 MSRP).
✅Delivers 154.0% more PassMark for each dollar spent, at 20.5 vs 8.1 PassMark/$ ($309 MSRP vs $788 MSRP).
✅Draws 35W instead of 115W, a 80W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel UHD Graphics 630, while Opteron 6276 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Opteron 6276 across 50 shared CPU benchmark tests.
❌Lower PassMark (6,323 vs 6,348).
❌Less compelling for workstation-style loads than Opteron 6276, which brings 16 cores / 16 threads.

Opteron 6276

2011

Why buy it

✅Better for gaming: +20.3% higher average FPS across 50 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 16 cores / 16 threads.

Trade-offs

❌Lower PassMark per dollar, at 8.1 vs 20.5 PassMark/$ ($788 MSRP vs $309 MSRP).
❌228.6% higher power demand at 115W vs 35W.
❌No integrated graphics, while Core i3-9300T can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike Core i3-9300T.

Quick Answers

So, is Opteron 6276 better than Core i3-9300T?

Not really, because they are built for different jobs. Opteron 6276 makes more sense for workstation-style multi-core throughput, while Core i3-9300T 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 6276 is the better pick. According to our tests, it delivers 20.3% 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 6276 is the stronger fit. You are getting 0.4% better PassMark, backed by 16 cores and 16 threads.

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

Opteron 6276 is still the better call for a fresh build. Opteron 6276 comes in 155.0% more expensive on MSRP at $788 MSRP versus $309 MSRP, and it still gives you a 20.3% average FPS lead across 50 shared CPU game tests in our data. Core i3-9300T 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 6,323 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 i3-9300T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2011). That makes it the safer long-term bet.

Core i3-9300T vs Opteron 6276 Technical Specifications

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

Core i3-9300T

The Core i3-9300T is manufactured by Intel. It was released in 23 April 2019 (6 years ago). It is based on the Coffee Lake (2017−2019) architecture. It features 4 cores and 4 threads. Base frequency is 3.2 GHz, with boost up to 3.8 GHz. L3 cache: 8 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2400. Passmark benchmark score: 6,323 points. Launch price was $143.

Opteron 6276

The Opteron 6276 is manufactured by AMD. It was released in 14 November 2011 (14 years ago). It is based on the Interlagos (2011−2012) architecture. It features 16 cores and 16 threads. Base frequency is 2.3 GHz, with boost up to 3.2 GHz. L3 cache: 8 MB (total). L2 cache: 2 MB (per module). Built on 32 nm process technology. Socket: G34. Thermal design power (TDP): 115 Watt. Memory support: DDR3. Passmark benchmark score: 6,348 points. Launch price was $119.

⚡

Processing Power

The Core i3-9300T packs 4 cores / 4 threads, while the Opteron 6276 offers 16 cores / 16 threads — the Opteron 6276 has 12 more cores. Boost clocks reach 3.8 GHz on the Core i3-9300T versus 3.2 GHz on the Opteron 6276 — a 17.1% clock advantage for the Core i3-9300T (base: 3.2 GHz vs 2.3 GHz). The Core i3-9300T uses the Coffee Lake (2017−2019) architecture (14 nm), while the Opteron 6276 uses Interlagos (2011−2012) (32 nm). In PassMark, the Core i3-9300T scores 6,323 against the Opteron 6276's 6,348 — a 0.4% lead for the Opteron 6276. L3 cache: 8 MB on the Core i3-9300T vs 8 MB (total) on the Opteron 6276.

Feature	Core i3-9300T	Opteron 6276
Cores / Threads	4 / 4	16 / 16+300%
Boost Clock	3.8 GHz+19%	3.2 GHz
Base Clock	3.2 GHz+39%	2.3 GHz
L3 Cache	8 MB	8 MB (total)
L2 Cache	1 MB	2 MB (per module)+100%
Process	14 nm-56%	32 nm
Architecture	Coffee Lake (2017−2019)	Interlagos (2011−2012)
PassMark	6,323	6,348
Geekbench 6 Single	1,000	—
Geekbench 6 Multi	3,265	—

🧠

Memory & Platform

The Core i3-9300T uses the LGA1151 socket (PCIe 3.0), while the Opteron 6276 uses G34 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Core i3-9300T	Opteron 6276
Socket	LGA1151	G34
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR4-2400	—
Max RAM Capacity	64 GB	—
RAM Channels	2	—
ECC Support	Yes	—
PCIe Lanes	16	—

🔧

Advanced Features

Virtualization: VT-x, VT-d, EPT (Core i3-9300T) / not specified (Opteron 6276). The Core i3-9300T includes integrated graphics (Intel UHD Graphics 630), while the Opteron 6276 requires a dedicated GPU. Primary use case: Core i3-9300T targets Low Power Desktop.

Feature	Core i3-9300T	Opteron 6276
Integrated GPU	Yes	—
IGPU Model	Intel UHD Graphics 630	—
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x, VT-d, EPT	—
Target Use	Low Power Desktop	—

💰

Value Analysis

At launch, the Core i3-9300T was priced at $309, while the Opteron 6276 came in at $788. On launch pricing ($309 vs $788), Core i3-9300T was $479 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i3-9300T delivers 20.5 pts/$ vs 8.1 pts/$ for the Opteron 6276 — making the Core i3-9300T the 87% better value option.

Feature	Core i3-9300T	Opteron 6276
MSRP	$309-61%	$788
Performance per Dollar	20.5+153%	8.1
Release Date	2019	2011

Search Core i3-9300T on Amazon

Search Opteron 6276 on Amazon

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.