
Core i7-6560U

Opteron X3421
Core i7-6560U vs Opteron X3421 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.
Core i7-6560U vs Opteron X3421 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
Core i7-6560U vs Opteron X3421: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Core i7-6560U
2015Why buy it
- ✅+1.2% higher PassMark.
Trade-offs
- ❌Worse for gaming: lower average FPS than Opteron X3421 across 50 shared CPU benchmark tests.
- ❌Less compelling for workstation-style loads than Opteron X3421, which brings 4 cores / 4 threads.
Opteron X3421
2017Why buy it
- ✅Better for gaming: +4.4% higher average FPS across 50 shared CPU benchmark tests.
- ✅Better for workstations and heavier parallel workloads: 4 cores / 4 threads.
Trade-offs
- ❌Lower PassMark (3,306 vs 3,347).
Quick Answers
So, is Core i7-6560U better than Opteron X3421?
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?
Core i7-6560U vs Opteron X3421 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core i7-6560U
The Core i7-6560U is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 4 threads. Base frequency is 2.2 GHz, with boost up to 3.2 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 3,347 points. Launch price was $69.

Opteron X3421
The Opteron X3421 is manufactured by AMD. It was released in 2015-01-01. It is based on the Excavator (2017−2018) architecture. It features 4 cores and 4 threads. Base frequency is 2.1 GHz, with boost up to 3.4 GHz. L2 cache: 2 MB (total). Built on 28 nm process technology. Socket: FP4. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 3,306 points. Launch price was $800.
Processing Power
The Core i7-6560U packs 2 cores / 4 threads, while the Opteron X3421 offers 4 cores / 4 threads — the Opteron X3421 has 2 more cores. Boost clocks reach 3.2 GHz on the Core i7-6560U versus 3.4 GHz on the Opteron X3421 — a 6.1% clock advantage for the Opteron X3421 (base: 2.2 GHz vs 2.1 GHz). The Core i7-6560U uses the Skylake (2015−2016) architecture (14 nm), while the Opteron X3421 uses Excavator (2017−2018) (28 nm). In PassMark, the Core i7-6560U scores 3,347 against the Opteron X3421's 3,306 — a 1.2% lead for the Core i7-6560U.
| Feature | Core i7-6560U | Opteron X3421 |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 4+100% |
| Boost Clock | 3.2 GHz | 3.4 GHz+6% |
| Base Clock | 2.2 GHz+5% | 2.1 GHz |
| L3 Cache | 4 MB | — |
| L2 Cache | 512 kB | 2 MB (total)+300% |
| Process | 14 nm-50% | 28 nm |
| Architecture | Skylake (2015−2016) | Excavator (2017−2018) |
| PassMark | 3,347+1% | 3,306 |
Memory & Platform
The Core i7-6560U uses the BGA1356 socket (PCIe 3.0), while the Opteron X3421 uses FP4 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i7-6560U | Opteron X3421 |
|---|---|---|
| Socket | BGA1356 | FP4 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
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