Opteron 6281 vs Xeon E5-1620 v4

Opteron 6281 vs Xeon E5-1620 v4 Performance Spectrum

Opteron 6281

16 / 16

7,279

0.0%

Ryzen Threadripper PRO 7965WX

Xeon E5-1620 v4

4 / 8

7,338

+0.8%

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 6281 vs Xeon E5-1620 v4 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 6281 vs Xeon E5-1620 v4: Pros, Cons & Final Verdict

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

Opteron 6281

2012

Why buy it

✅Costs $178 less on MSRP ($988 MSRP vs $1,166 MSRP).
✅Delivers 17.1% more PassMark for each dollar spent, at 7.4 vs 6.3 PassMark/$ ($988 MSRP vs $1,166 MSRP).
✅Draws 130W instead of 140W, a 10W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5-1620 v4 across 50 shared CPU benchmark tests.
❌Lower PassMark (7,279 vs 7,338).
❌Smaller total L3 cache (8 MB vs 10 MB).

Xeon E5-1620 v4

2016

Why buy it

✅Better for gaming: +3.3% higher average FPS across 50 shared CPU benchmark tests.
✅+25% larger total L3 cache (10 MB vs 8 MB).

Trade-offs

❌Lower PassMark per dollar, at 6.3 vs 7.4 PassMark/$ ($1,166 MSRP vs $988 MSRP).

Quick Answers

So, is Xeon E5-1620 v4 better than Opteron 6281?

Yes. Xeon E5-1620 v4 is the better all-around CPU here. It gives you a 3.3% average FPS lead across 50 shared CPU game tests in our data, 0.8% 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, Xeon E5-1620 v4 is the better pick. According to our tests, it delivers 3.3% 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, Xeon E5-1620 v4 is the stronger fit. You are getting 0.8% better PassMark, backed by 4 cores and 8 threads. It also has the larger cache pool with 25% larger total L3 cache (10 MB vs 8 MB).

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

Xeon E5-1620 v4 is still the faster CPU overall, but Opteron 6281 is easier to justify if budget matters more than peak performance. Xeon E5-1620 v4 comes in 18.0% more expensive on MSRP at $1,166 MSRP versus $988 MSRP, and it still gives you a 3.3% average FPS lead across 50 shared CPU game tests in our data. Opteron 6281 is also 17.1% better value on MSRP (7.4 vs 6.3 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Xeon E5-1620 v4 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2016 vs 2012), 25% larger total L3 cache (10 MB vs 8 MB), and more multi-core headroom with 4 cores / 8 threads instead of 16/16. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Opteron 6281 vs Xeon E5-1620 v4 Technical Specifications

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

Opteron 6281

The Opteron 6281 is manufactured by AMD. It was released in 1 May 2012 (13 years ago). It is based on the Interlagos (2011−2012) architecture. It features 16 cores and 16 threads. Base frequency is 2.5 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): 130 Watt. Memory support: DDR3. Passmark benchmark score: 7,279 points. Launch price was $988.

Xeon E5-1620 v4

The Xeon E5-1620 v4 is manufactured by Intel. It was released in 20 June 2016 (9 years ago). It is based on the Broadwell-EP (2016) architecture. It features 4 cores and 8 threads. Base frequency is 3.5 GHz, with boost up to 3.8 GHz. L3 cache: 10 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA2011. Thermal design power (TDP): 140 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400. Passmark benchmark score: 7,338 points. Launch price was $294.

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Processing Power

The Opteron 6281 packs 16 cores / 16 threads, while the Xeon E5-1620 v4 offers 4 cores / 8 threads — the Opteron 6281 has 12 more cores. Boost clocks reach 3.2 GHz on the Opteron 6281 versus 3.8 GHz on the Xeon E5-1620 v4 — a 17.1% clock advantage for the Xeon E5-1620 v4 (base: 2.5 GHz vs 3.5 GHz). The Opteron 6281 uses the Interlagos (2011−2012) architecture (32 nm), while the Xeon E5-1620 v4 uses Broadwell-EP (2016) (14 nm). In PassMark, the Opteron 6281 scores 7,279 against the Xeon E5-1620 v4's 7,338 — a 0.8% lead for the Xeon E5-1620 v4. L3 cache: 8 MB (total) on the Opteron 6281 vs 10 MB (total) on the Xeon E5-1620 v4.

Feature	Opteron 6281	Xeon E5-1620 v4
Cores / Threads	16 / 16+300%	4 / 8
Boost Clock	3.2 GHz	3.8 GHz+19%
Base Clock	2.5 GHz	3.5 GHz+40%
L3 Cache	8 MB (total)	10 MB (total)+25%
L2 Cache	2 MB (per module)	256K (per core)+12700%
Process	32 nm	14 nm-56%
Architecture	Interlagos (2011−2012)	Broadwell-EP (2016)
PassMark	7,279	7,338

🧠

Memory & Platform

The Opteron 6281 uses the G34 socket (PCIe 2.0), while the Xeon E5-1620 v4 uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Opteron 6281	Xeon E5-1620 v4
Socket	G34	LGA2011
PCIe Generation	PCIe 2.0	PCIe 3.0+50%

💰

Value Analysis

At launch, the Opteron 6281 was priced at $988, while the Xeon E5-1620 v4 came in at $1166. On launch pricing ($988 vs $1166), Opteron 6281 was $178 cheaper. In terms of value on MSRP (PassMark points per dollar), the Opteron 6281 delivers 7.4 pts/$ vs 6.3 pts/$ for the Xeon E5-1620 v4 — making the Opteron 6281 the 15.7% better value option.

Feature	Opteron 6281	Xeon E5-1620 v4
MSRP	$988-15%	$1166
Performance per Dollar	7.4+17%	6.3
Release Date	2012	2016

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