Core i5-5675C vs Opteron 6274

Core i5-5675C vs Opteron 6274 Performance Spectrum

Core i5-5675C

4 / 4

5,693

+0.9%

5,643

0.0%

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 i5-5675C vs Opteron 6274 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 i5-5675C vs Opteron 6274: Pros, Cons & Final Verdict

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

Core i5-5675C

2015

Why buy it

✅+0.9% higher PassMark.
✅Costs $363 less on MSRP ($276 MSRP vs $639 MSRP).
✅Delivers 133.6% more PassMark for each dollar spent, at 20.6 vs 8.8 PassMark/$ ($276 MSRP vs $639 MSRP).
✅Draws 65W instead of 115W, a 50W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Opteron 6274 across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (4 MB vs 8 MB).
❌Less compelling for workstation-style loads than Opteron 6274, which brings 16 cores / 16 threads.

Opteron 6274

2011

Why buy it

✅Better for gaming: +15.3% higher average FPS across 50 shared CPU benchmark tests.
✅+100% larger total L3 cache (8 MB vs 4 MB).
✅Better for workstations and heavier parallel workloads: 16 cores / 16 threads.

Trade-offs

❌Lower PassMark (5,643 vs 5,693).
❌Lower PassMark per dollar, at 8.8 vs 20.6 PassMark/$ ($639 MSRP vs $276 MSRP).
❌76.9% higher power demand at 115W vs 65W.
❌No integrated graphics, while Core i5-5675C can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i5-5675C better than Opteron 6274?

Not really, because they are built for different jobs. Opteron 6274 makes more sense for workstation-style multi-core throughput, while Core i5-5675C is the more practical desktop choice for gaming, platform cost, and everyday use.

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

For streaming, content creation, and heavier multitasking, Core i5-5675C is the stronger fit. You are getting 0.9% better PassMark, backed by 4 cores and 4 threads.

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

Core i5-5675C is the better buy right now. Core i5-5675C comes in $363 cheaper on MSRP at $276 MSRP versus $639 MSRP, and it still gives you 0.9% better PassMark. The compromise is that Opteron 6274 is still the better pure gaming CPU with a 15.3% average FPS lead across 50 shared CPU game tests in our data. It is also 133.6% better value on MSRP (20.6 vs 8.8 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i5-5675C makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2011) and more multi-core headroom with 4 cores / 4 threads instead of 16/16. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i5-5675C vs Opteron 6274 Technical Specifications

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

Core i5-5675C

The Core i5-5675C is manufactured by Intel. It was released in 15 May 2015 (10 years ago). It is based on the Broadwell (2015−2019) architecture. It features 4 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.6 GHz. L3 cache: 4 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA1150. Thermal design power (TDP): 65 Watt. Memory support: DDR3L-1333, DDR3L-1600. Passmark benchmark score: 5,693 points. Launch price was $149.

Opteron 6274

The Opteron 6274 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 2.2 GHz, with boost up to 3.1 GHz. L3 cache: 8 MB (total). L2 cache: 8.00391 MB (per core). Built on 32 nm process technology. Socket: G34. Thermal design power (TDP): 115 Watt. Memory support: DDR3. Passmark benchmark score: 5,643 points. Launch price was $909.

⚡

Processing Power

The Core i5-5675C packs 4 cores / 4 threads, while the Opteron 6274 offers 16 cores / 16 threads — the Opteron 6274 has 12 more cores. Boost clocks reach 3.6 GHz on the Core i5-5675C versus 3.1 GHz on the Opteron 6274 — a 14.9% clock advantage for the Core i5-5675C (base: 3.1 GHz vs 2.2 GHz). The Core i5-5675C uses the Broadwell (2015−2019) architecture (14 nm), while the Opteron 6274 uses Interlagos (2011−2012) (32 nm). In PassMark, the Core i5-5675C scores 5,693 against the Opteron 6274's 5,643 — a 0.9% lead for the Core i5-5675C. L3 cache: 4 MB (total) on the Core i5-5675C vs 8 MB (total) on the Opteron 6274.

Feature	Core i5-5675C	Opteron 6274
Cores / Threads	4 / 4	16 / 16+300%
Boost Clock	3.6 GHz+16%	3.1 GHz
Base Clock	3.1 GHz+41%	2.2 GHz
L3 Cache	4 MB (total)	8 MB (total)+100%
L2 Cache	1 MB (per core)	8.00391 MB (per core)+700%
Process	14 nm-56%	32 nm
Architecture	Broadwell (2015−2019)	Interlagos (2011−2012)
PassMark	5,693	5,643

🧠

Memory & Platform

The Core i5-5675C uses the LGA1150 socket (PCIe 3.0), while the Opteron 6274 uses G34 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Core i5-5675C	Opteron 6274
Socket	LGA1150	G34
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR3L-1600	—
Max RAM Capacity	32 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

🔧

Advanced Features

Virtualization: VT-x, VT-d (Core i5-5675C) / not specified (Opteron 6274). The Core i5-5675C includes integrated graphics (Iris Pro Graphics 6200), while the Opteron 6274 requires a dedicated GPU. Primary use case: Core i5-5675C targets Desktop.

Feature	Core i5-5675C	Opteron 6274
Integrated GPU	Yes	—
IGPU Model	Iris Pro Graphics 6200	—
Unlocked	Yes	—
AVX-512	No	—
Virtualization	VT-x, VT-d	—
Target Use	Desktop	—

💰

Value Analysis

At launch, the Core i5-5675C was priced at $276, while the Opteron 6274 came in at $639. On launch pricing ($276 vs $639), Core i5-5675C was $363 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-5675C delivers 20.6 pts/$ vs 8.8 pts/$ for the Opteron 6274 — making the Core i5-5675C the 80.1% better value option.

Feature	Core i5-5675C	Opteron 6274
MSRP	$276-57%	$639
Performance per Dollar	20.6+134%	8.8
Release Date	2015	2011

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