CPU
GPU
Xeon D-1581
Core Ultra 5 134U
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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon D-1581
Performance Per Dollar Core Ultra 5 134U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon D-1581 | Core Ultra 5 134U |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($400) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Broadwell (2015−2019) / 14 nm) | ✨ Modern (Meteor Lake-U (2023) / 7 nm) |
💎 Value Proposition
| Insight | Xeon D-1581 | Core Ultra 5 134U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($400) | ✅ 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 Xeon D-1581 and Core Ultra 5 134U
Xeon D-1581
The Xeon D-1581 is manufactured by Intel. It was released in 2015-01-01. It is based on the Broadwell (2015−2019) architecture. It features 16 cores and 32 threads. Base frequency is 1.8 GHz, with boost up to 2.4 GHz. L3 cache: 1.5 MB (per core). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1667. Thermal design power (TDP): 65 Watt. Memory support: DDR4, DDR3. Passmark benchmark score: 13,173 points. Launch price was $800.
Core Ultra 5 134U
The Core Ultra 5 134U is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Meteor Lake-U (2023) architecture. It features 12 cores and 14 threads. Base frequency is 0.7 GHz, with boost up to 4.4 GHz. L3 cache: 12 MB (total). L2 cache: 2 MB (per core). Built on 7 nm process technology. Socket: FCBGA2551. Thermal design power (TDP): + 12 MB. Memory support: DDR5. Passmark benchmark score: 13,169 points. Launch price was $332.
Processing Power
The Xeon D-1581 packs 16 cores / 32 threads, while the Core Ultra 5 134U offers 12 cores / 14 threads — the Xeon D-1581 has 4 more cores. Boost clocks reach 2.4 GHz on the Xeon D-1581 versus 4.4 GHz on the Core Ultra 5 134U — a 58.8% clock advantage for the Core Ultra 5 134U (base: 1.8 GHz vs 0.7 GHz). The Xeon D-1581 uses the Broadwell (2015−2019) architecture (14 nm), while the Core Ultra 5 134U uses Meteor Lake-U (2023) (7 nm). In PassMark, the Xeon D-1581 scores 13,173 against the Core Ultra 5 134U's 13,169 — a 0% lead for the Xeon D-1581. L3 cache: 1.5 MB (per core) on the Xeon D-1581 vs 12 MB (total) on the Core Ultra 5 134U.
| Feature | Xeon D-1581 | Core Ultra 5 134U |
|---|---|---|
| Cores / Threads | 16 / 32+33% | 12 / 14 |
| Boost Clock | 2.4 GHz | 4.4 GHz+83% |
| Base Clock | 1.8 GHz+157% | 0.7 GHz |
| L3 Cache | 1.5 MB (per core) | 12 MB (total)+700% |
| L2 Cache | 256K (per core) | 2 MB (per core)+700% |
| Process | 14 nm | 7 nm-50% |
| Architecture | Broadwell (2015−2019) | Meteor Lake-U (2023) |
| PassMark | 13,173 | 13,169 |
Memory & Platform
The Xeon D-1581 uses the FCBGA1667 socket (PCIe 3.0), while the Core Ultra 5 134U uses FCBGA2551 (PCIe 5.0) — making them incompatible on the same motherboard.
| Feature | Xeon D-1581 | Core Ultra 5 134U |
|---|---|---|
| Socket | FCBGA1667 | FCBGA2551 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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