
Microsoft SQ1

Xeon X5660
Microsoft SQ1 vs Xeon X5660 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.
Microsoft SQ1 vs Xeon X5660 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

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6

Call of Duty: Warzone
Microsoft SQ1 vs Xeon X5660: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Microsoft SQ1
2019Why buy it
- ✅+1% higher PassMark.
- ✅Costs $919 less on MSRP ($300 MSRP vs $1,219 MSRP).
- ✅Delivers 310.4% more PassMark for each dollar spent, at 20.1 vs 4.9 PassMark/$ ($300 MSRP vs $1,219 MSRP).
Trade-offs
- ❌Smaller total L3 cache (2 MB vs 12 MB).
- ❌Less compelling for workstation-style loads than Xeon X5660, which brings 6 cores / 12 threads.
Xeon X5660
2010Why buy it
- ✅+500% larger total L3 cache (12 MB vs 2 MB).
- ✅Better for workstations and heavier parallel workloads: 6 cores / 12 threads.
Trade-offs
- ❌Lower PassMark (5,979 vs 6,039).
- ❌Lower PassMark per dollar, at 4.9 vs 20.1 PassMark/$ ($1,219 MSRP vs $300 MSRP).
Quick Answers
So, is Microsoft SQ1 better than Xeon X5660?
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?
Microsoft SQ1 vs Xeon X5660 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
Microsoft SQ1
The Microsoft SQ1 is manufactured by Microsoft. It was released in 2 October 2019 (6 years ago). It is based on the Cortex-A76 / A55 (Kryo 495) (2019) architecture. It features 8 cores and 8 threads. Max frequency: 3 GHz. L3 cache: 2 MB. Built on 7 nm process technology. Thermal design power (TDP): + 2 MB. Passmark benchmark score: 6,039 points. Launch price was $149.

Xeon X5660
The Xeon X5660 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 6 cores and 12 threads. Base frequency is 2.8 GHz, with boost up to 3.2 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 5,979 points. Launch price was $33.
Processing Power
The Microsoft SQ1 packs 8 cores / 8 threads, while the Xeon X5660 offers 6 cores / 12 threads — the Microsoft SQ1 has 2 more cores. Boost clocks reach 3 GHz on the Microsoft SQ1 versus 3.2 GHz on the Xeon X5660 — a 6.5% clock advantage for the Xeon X5660. The Microsoft SQ1 uses the Cortex-A76 / A55 (Kryo 495) (2019) architecture (7 nm), while the Xeon X5660 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Microsoft SQ1 scores 6,039 against the Xeon X5660's 5,979 — a 1% lead for the Microsoft SQ1. L3 cache: 2 MB on the Microsoft SQ1 vs 12 MB (total) on the Xeon X5660.
| Feature | Microsoft SQ1 | Xeon X5660 |
|---|---|---|
| Cores / Threads | 8 / 8+33% | 6 / 12 |
| Boost Clock | 3 GHz | 3.2 GHz+7% |
| Base Clock | — | 2.8 GHz |
| L3 Cache | 2 MB | 12 MB (total)+500% |
| L2 Cache | — | 256 kB (per core) |
| Process | 7 nm-78% | 32 nm |
| Architecture | Cortex-A76 / A55 (Kryo 495) (2019) | Westmere-EP (2010−2011) |
| PassMark | 6,039+1% | 5,979 |
Advanced Features
Virtualization: not specified (Microsoft SQ1) / VT-x, VT-d, EPT (Xeon X5660). Primary use case: Xeon X5660 targets Workstation. Direct competitor: Xeon X5660 rivals Core i7-980X.
| Feature | Microsoft SQ1 | Xeon X5660 |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d, EPT |
| Target Use | — | Workstation |
Value Analysis
At launch, the Microsoft SQ1 was priced at $300, while the Xeon X5660 came in at $1219. On launch pricing ($300 vs $1219), Microsoft SQ1 was $919 cheaper. In terms of value on MSRP (PassMark points per dollar), the Microsoft SQ1 delivers 20.1 pts/$ vs 4.9 pts/$ for the Xeon X5660 — making the Microsoft SQ1 the 121.6% better value option.
| Feature | Microsoft SQ1 | Xeon X5660 |
|---|---|---|
| MSRP | $300-75% | $1219 |
| Performance per Dollar | 20.1+310% | 4.9 |
| Release Date | 2019 | 2010 |
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