
Opteron 6386 SE

Xeon E3-1240 v5
Opteron 6386 SE vs Xeon E3-1240 v5 Performance Spectrum
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 6386 SE vs Xeon E3-1240 v5 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.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Opteron 6386 SE vs Xeon E3-1240 v5: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Opteron 6386 SE
2012Why buy it
- ✅Better for gaming: +3.7% higher average FPS across 49 shared CPU benchmark tests.
Trade-offs
- ❌Launch MSRP is still $1,392 MSRP, while Xeon E3-1240 v5 mostly shows up through inconsistent older-market listings.
- ❌75% higher power demand at 140W vs 80W.
Xeon E3-1240 v5
2015Why buy it
- ✅Draws 80W instead of 140W, a 60W reduction.
Trade-offs
- ❌Worse for gaming: lower average FPS than Opteron 6386 SE across 49 shared CPU benchmark tests.
- ❌Lower PassMark (8,258 vs 8,291).
Quick Answers
So, is Opteron 6386 SE better than Xeon E3-1240 v5?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Opteron 6386 SE vs Xeon E3-1240 v5 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Opteron 6386 SE
The Opteron 6386 SE 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 2.8 GHz, with boost up to 3.5 GHz. L3 cache: 8 MB (total). L2 cache: 16 MB. Built on 32 nm process technology. Socket: G34. Thermal design power (TDP): 140 Watt. Memory support: DDR3. Passmark benchmark score: 8,291 points. Launch price was $2,408.

Xeon E3-1240 v5
The Xeon E3-1240 v5 is manufactured by Intel. It was released in 19 October 2015 (10 years ago). It is based on the Skylake-DT (2015) 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 14 nm process technology. Socket: LGA1151, LGA2011. Thermal design power (TDP): 80 Watt. Memory support: DDR4-1866/2133, DDR3L-1333/1600. Passmark benchmark score: 8,258 points. Launch price was $282.
Processing Power
The Opteron 6386 SE packs 16 cores / 16 threads, while the Xeon E3-1240 v5 offers 4 cores / 8 threads — the Opteron 6386 SE has 12 more cores. Boost clocks reach 3.5 GHz on the Opteron 6386 SE versus 3.9 GHz on the Xeon E3-1240 v5 — a 10.8% clock advantage for the Xeon E3-1240 v5 (base: 2.8 GHz vs 3.5 GHz). The Opteron 6386 SE uses the Abu Dhabi (2012) architecture (32 nm), while the Xeon E3-1240 v5 uses Skylake-DT (2015) (14 nm). In PassMark, the Opteron 6386 SE scores 8,291 against the Xeon E3-1240 v5's 8,258 — a 0.4% lead for the Opteron 6386 SE. Both processors carry 8 MB (total) of L3 cache.
| Feature | Opteron 6386 SE | Xeon E3-1240 v5 |
|---|---|---|
| Cores / Threads | 16 / 16+300% | 4 / 8 |
| Boost Clock | 3.5 GHz | 3.9 GHz+11% |
| Base Clock | 2.8 GHz | 3.5 GHz+25% |
| L3 Cache | 8 MB (total) | 8 MB (total) |
| L2 Cache | 16 MB+6300% | 256 kB (per core) |
| Process | 32 nm | 14 nm-56% |
| Architecture | Abu Dhabi (2012) | Skylake-DT (2015) |
| PassMark | 8,291 | 8,258 |
Memory & Platform
The Opteron 6386 SE uses the G34 socket (PCIe 2.0), while the Xeon E3-1240 v5 uses LGA1151, LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Opteron 6386 SE | Xeon E3-1240 v5 |
|---|---|---|
| Socket | G34 | LGA1151, LGA2011 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
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