Opteron 6380 vs Xeon E3-1275 v2

Opteron 6380 vs Xeon E3-1275 v2 Performance Spectrum

Opteron 6380

16 / 16

6,687

+0.6%

Ryzen Threadripper 3970X

Ryzen Threadripper PRO 7965WX

Xeon E3-1275 v2

4 / 8

6,644

0.0%

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.

Opteron 6380 vs Xeon E3-1275 v2 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.

Opteron 6380 vs Xeon E3-1275 v2: Pros, Cons & Final Verdict

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

Opteron 6380

2012

Why buy it

✅Better for gaming: +4.0% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Lower PassMark per dollar, at 12.1 vs 15.6 PassMark/$ ($551 MSRP vs $426 MSRP).
❌49.4% higher power demand at 115W vs 77W.
❌No integrated graphics, while Xeon E3-1275 v2 can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike Xeon E3-1275 v2.

Xeon E3-1275 v2

2012

Why buy it

✅Costs $125 less on MSRP ($426 MSRP vs $551 MSRP).
✅Delivers 28.5% more PassMark for each dollar spent, at 15.6 vs 12.1 PassMark/$ ($426 MSRP vs $551 MSRP).
✅Draws 77W instead of 115W, a 38W reduction.
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel HD Graphics P4000, while Opteron 6380 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Opteron 6380 across 50 shared CPU benchmark tests.
❌Lower PassMark (6,644 vs 6,687).

Quick Answers

So, is Opteron 6380 better than Xeon E3-1275 v2?

Yes. Opteron 6380 is the better all-around CPU here. It gives you a 4.0% average FPS lead across 50 shared CPU game tests in our data, 0.6% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Opteron 6380 is the better pick. According to our tests, it delivers 4.0% 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 6380 is the stronger fit. You are getting 0.6% better PassMark, backed by 16 cores and 16 threads.

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

Opteron 6380 is still the faster CPU overall, but Xeon E3-1275 v2 is easier to justify if budget matters more than peak performance. Opteron 6380 comes in 29.3% more expensive on MSRP at $551 MSRP versus $426 MSRP, and it still gives you a 4.0% average FPS lead across 50 shared CPU game tests in our data. Xeon E3-1275 v2 is also 28.5% better value on MSRP (15.6 vs 12.1 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Opteron 6380 makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 16 cores / 16 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Opteron 6380 vs Xeon E3-1275 v2 Technical Specifications

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

Opteron 6380

The Opteron 6380 is manufactured by AMD. It was released in 5 November 2012 (13 years ago). It is based on the Abu Dhabi (2012) architecture. It features 16 cores and 16 threads. Base frequency is 2.5 GHz, with boost up to 3.4 GHz. L3 cache: 8 MB (total). L2 cache: 16 MB. Built on 32 nm process technology. Socket: G34. Thermal design power (TDP): 115 Watt. Memory support: DDR3. Passmark benchmark score: 6,687 points. Launch price was $1,150.

Xeon E3-1275 v2

The Xeon E3-1275 v2 is manufactured by Intel. It was released in 14 May 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.5 GHz, with boost up to 3.9 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 77 Watt. Memory support: DDR3. Passmark benchmark score: 6,644 points. Launch price was $808.

⚡

Processing Power

The Opteron 6380 packs 16 cores / 16 threads, while the Xeon E3-1275 v2 offers 4 cores / 8 threads — the Opteron 6380 has 12 more cores. Boost clocks reach 3.4 GHz on the Opteron 6380 versus 3.9 GHz on the Xeon E3-1275 v2 — a 13.7% clock advantage for the Xeon E3-1275 v2 (base: 2.5 GHz vs 3.5 GHz). The Opteron 6380 uses the Abu Dhabi (2012) architecture (32 nm), while the Xeon E3-1275 v2 uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Opteron 6380 scores 6,687 against the Xeon E3-1275 v2's 6,644 — a 0.6% lead for the Opteron 6380. Both processors carry 8 MB (total) of L3 cache.

Feature	Opteron 6380	Xeon E3-1275 v2
Cores / Threads	16 / 16+300%	4 / 8
Boost Clock	3.4 GHz	3.9 GHz+15%
Base Clock	2.5 GHz	3.5 GHz+40%
L3 Cache	8 MB (total)	8 MB (total)
L2 Cache	16 MB+6300%	256 kB (per core)
Process	32 nm	22 nm-31%
Architecture	Abu Dhabi (2012)	Ivy Bridge (2012−2013)
PassMark	6,687	6,644
Geekbench 6 Single	—	1,000
Geekbench 6 Multi	—	4,000

🧠

Memory & Platform

The Opteron 6380 uses the G34 socket (PCIe 2.0), while the Xeon E3-1275 v2 uses LGA1155 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Opteron 6380	Xeon E3-1275 v2
Socket	G34	LGA1155
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	—	DDR3-1600
Max RAM Capacity	—	32.77 GB
RAM Channels	—	2
ECC Support	—	Yes
PCIe Lanes	—	20

🔧

Advanced Features

Virtualization: not specified (Opteron 6380) / VT-x, VT-d (Xeon E3-1275 v2). The Xeon E3-1275 v2 includes integrated graphics (Intel HD Graphics P4000), while the Opteron 6380 requires a dedicated GPU. Primary use case: Xeon E3-1275 v2 targets Server/Workstation.

Feature	Opteron 6380	Xeon E3-1275 v2
Integrated GPU	—	Yes
IGPU Model	—	Intel HD Graphics P4000
Unlocked	—	No
AVX-512	—	No
Virtualization	—	VT-x, VT-d
Target Use	—	Server/Workstation

💰

Value Analysis

At launch, the Opteron 6380 was priced at $551, while the Xeon E3-1275 v2 came in at $426. On launch pricing ($551 vs $426), Xeon E3-1275 v2 was $125 cheaper. In terms of value on MSRP (PassMark points per dollar), the Opteron 6380 delivers 12.1 pts/$ vs 15.6 pts/$ for the Xeon E3-1275 v2 — making the Xeon E3-1275 v2 the 25% better value option.

Feature	Opteron 6380	Xeon E3-1275 v2
MSRP	$551	$426-23%
Performance per Dollar	12.1	15.6+29%
Release Date	2012	2012

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