
Opteron 6276

Xeon E3-1290 v2
Opteron 6276 vs Xeon E3-1290 v2 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 6276 vs Xeon E3-1290 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.

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 6276 vs Xeon E3-1290 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 6276
2011Why buy it
- ✅Costs $97 less on MSRP ($788 MSRP vs $885 MSRP).
- ✅Delivers 12.2% more PassMark for each dollar spent, at 8.1 vs 7.2 PassMark/$ ($788 MSRP vs $885 MSRP).
Trade-offs
- ❌Lower PassMark (6,348 vs 6,354).
- ❌32.2% higher power demand at 115W vs 87W.
Xeon E3-1290 v2
2012Why buy it
- ✅Draws 87W instead of 115W, a 28W reduction.
Trade-offs
- ❌Lower PassMark per dollar, at 7.2 vs 8.1 PassMark/$ ($885 MSRP vs $788 MSRP).
Quick Answers
So, is Xeon E3-1290 v2 better than Opteron 6276?
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 6276 vs Xeon E3-1290 v2 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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.

Xeon E3-1290 v2
The Xeon E3-1290 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 3.7 GHz, with boost up to 4.1 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 87 Watt. Memory support: DDR3. Passmark benchmark score: 6,354 points. Launch price was $885.
Processing Power
The Opteron 6276 packs 16 cores / 16 threads, while the Xeon E3-1290 v2 offers 4 cores / 8 threads — the Opteron 6276 has 12 more cores. Boost clocks reach 3.2 GHz on the Opteron 6276 versus 4.1 GHz on the Xeon E3-1290 v2 — a 24.7% clock advantage for the Xeon E3-1290 v2 (base: 2.3 GHz vs 3.7 GHz). The Opteron 6276 uses the Interlagos (2011−2012) architecture (32 nm), while the Xeon E3-1290 v2 uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Opteron 6276 scores 6,348 against the Xeon E3-1290 v2's 6,354 — a 0.1% lead for the Xeon E3-1290 v2. Both processors carry 8 MB (total) of L3 cache.
| Feature | Opteron 6276 | Xeon E3-1290 v2 |
|---|---|---|
| Cores / Threads | 16 / 16+300% | 4 / 8 |
| Boost Clock | 3.2 GHz | 4.1 GHz+28% |
| Base Clock | 2.3 GHz | 3.7 GHz+61% |
| L3 Cache | 8 MB (total) | 8 MB (total) |
| L2 Cache | 2 MB (per module)+700% | 256 kB (per core) |
| Process | 32 nm | 22 nm-31% |
| Architecture | Interlagos (2011−2012) | Ivy Bridge (2012−2013) |
| PassMark | 6,348 | 6,354 |
Memory & Platform
The Opteron 6276 uses the G34 socket (PCIe 2.0), while the Xeon E3-1290 v2 uses LGA1155 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Opteron 6276 | Xeon E3-1290 v2 |
|---|---|---|
| Socket | G34 | LGA1155 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
Value Analysis
At launch, the Opteron 6276 was priced at $788, while the Xeon E3-1290 v2 came in at $885. On launch pricing ($788 vs $885), Opteron 6276 was $97 cheaper. In terms of value on MSRP (PassMark points per dollar), the Opteron 6276 delivers 8.1 pts/$ vs 7.2 pts/$ for the Xeon E3-1290 v2 — making the Opteron 6276 the 11.5% better value option.
| Feature | Opteron 6276 | Xeon E3-1290 v2 |
|---|---|---|
| MSRP | $788-11% | $885 |
| Performance per Dollar | 8.1+12% | 7.2 |
| Release Date | 2011 | 2012 |
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