
Processor U300 vs Xeon E3-1270 v6

Processor U300

Xeon E3-1270 v6
Performance Spectrum - CPU
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.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Processor U300 is positioned at rank 488 and the Xeon E3-1270 v6 is on rank 484, so the Xeon E3-1270 v6 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Processor U300
Performance Per Dollar Xeon E3-1270 v6
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Processor U300 | Xeon E3-1270 v6 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($180) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Raptor Lake-U (2023) / 10 nm) | ✨ Modern (Kaby Lake (2016−2019) / 14 nm) |
💎 Value Proposition
| Insight | Processor U300 | Xeon E3-1270 v6 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($180) | ✅ More affordable ($0) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Processor U300 and Xeon E3-1270 v6

Processor U300
The Processor U300 is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-U (2023) architecture. It features 5 cores and 6 threads. Base frequency is 1.2 GHz, with boost up to 4.4 GHz. L3 cache: 8 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 15 Watt. Memory support: DDR4, DDR5 Dual-channel. Passmark benchmark score: 8,897 points. Launch price was $193.

Xeon E3-1270 v6
The Xeon E3-1270 v6 is manufactured by Intel. It was released in 28 March 2017 (8 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 4 cores and 8 threads. Base frequency is 3.8 GHz, with boost up to 4.2 GHz. L3 cache: 8 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 72 Watt. Memory support: DDR4-2400, DDR3L-1866. Passmark benchmark score: 8,937 points. Launch price was $328.
Processing Power
The Processor U300 packs 5 cores / 6 threads, while the Xeon E3-1270 v6 offers 4 cores / 8 threads — the Processor U300 has 1 more core. Boost clocks reach 4.4 GHz on the Processor U300 versus 4.2 GHz on the Xeon E3-1270 v6 — a 4.7% clock advantage for the Processor U300 (base: 1.2 GHz vs 3.8 GHz). The Processor U300 uses the Raptor Lake-U (2023) architecture (10 nm), while the Xeon E3-1270 v6 uses Kaby Lake (2016−2019) (14 nm). In PassMark, the Processor U300 scores 8,897 against the Xeon E3-1270 v6's 8,937 — a 0.4% lead for the Xeon E3-1270 v6. L3 cache: 8 MB (total) on the Processor U300 vs 8 MB on the Xeon E3-1270 v6.
| Feature | Processor U300 | Xeon E3-1270 v6 |
|---|---|---|
| Cores / Threads | 5 / 6+25% | 4 / 8 |
| Boost Clock | 4.4 GHz+5% | 4.2 GHz |
| Base Clock | 1.2 GHz | 3.8 GHz+217% |
| L3 Cache | 8 MB (total) | 8 MB |
| L2 Cache | 1.25 MB (per core)+25% | 1 MB |
| Process | 10 nm-29% | 14 nm |
| Architecture | Raptor Lake-U (2023) | Kaby Lake (2016−2019) |
| PassMark | 8,897 | 8,937 |
Memory & Platform
The Processor U300 uses the FCBGA1744 socket (PCIe 5.0), while the Xeon E3-1270 v6 uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Processor U300 | Xeon E3-1270 v6 |
|---|---|---|
| Socket | FCBGA1744 | LGA1151 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
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