Core i7-1250U vs Core i7-6850K
Core i7-1250U
Core i7-6850K
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 Core i7-1250U is positioned at rank 767 and the Core i7-6850K is on rank 827, so the Core i7-1250U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-1250U
Performance Per Dollar Core i7-6850K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-1250U | Core i7-6850K |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($426) | ✅ More affordable ($80) |
| Longevity | ✨ Modern (Alder Lake-U (2022) / Intel 7 nm) | 🛑 Legacy (Broadwell-E (2016) / 14 nm) |
💎 Value Proposition
| Insight | Core i7-1250U | Core i7-6850K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+436%) |
| Upfront Cost | ⚠️ Higher cost ($426) | ✅ More affordable ($80) |
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 Core i7-1250U and Core i7-6850K
Core i7-1250U
The Core i7-1250U is manufactured by Intel. It was released in 23 February 2022 (3 years ago). It is based on the Alder Lake-U (2022) architecture. It features 10 cores and 12 threads. Base frequency is 1.1 GHz, with boost up to 4.7 GHz. L3 cache: 12 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1781. Thermal design power (TDP): 9.5 MB + 12 MB. Memory support: DDR4, DDR5. Passmark benchmark score: 11,305 points. Launch price was $149.
Core i7-6850K
The Core i7-6850K is manufactured by Intel. It was released in 31 May 2016 (9 years ago). It is based on the Broadwell-E (2016) architecture. It features 6 cores and 12 threads. Base frequency is 3.6 GHz, with boost up to 4 GHz. L3 cache: 15 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA2011. Thermal design power (TDP): 140 Watt. Memory support: DDR4. Passmark benchmark score: 11,376 points. Launch price was $475.
Processing Power
The Core i7-1250U packs 10 cores / 12 threads, while the Core i7-6850K offers 6 cores / 12 threads — the Core i7-1250U has 4 more cores. Boost clocks reach 4.7 GHz on the Core i7-1250U versus 4 GHz on the Core i7-6850K — a 16.1% clock advantage for the Core i7-1250U (base: 1.1 GHz vs 3.6 GHz). The Core i7-1250U uses the Alder Lake-U (2022) architecture (Intel 7 nm), while the Core i7-6850K uses Broadwell-E (2016) (14 nm). In PassMark, the Core i7-1250U scores 11,305 against the Core i7-6850K's 11,376 — a 0.6% lead for the Core i7-6850K. Geekbench 6 single-core — the metric most relevant to gaming — records 1,600 vs 1,200, a 28.6% lead for the Core i7-1250U that directly translates to higher frame rates. Multi-core Geekbench: 6,500 vs 5,500 (16.7% advantage for the Core i7-1250U). L3 cache: 12 MB (total) on the Core i7-1250U vs 15 MB (total) on the Core i7-6850K.
| Feature | Core i7-1250U | Core i7-6850K |
|---|---|---|
| Cores / Threads | 10 / 12+67% | 6 / 12 |
| Boost Clock | 4.7 GHz+18% | 4 GHz |
| Base Clock | 1.1 GHz | 3.6 GHz+227% |
| L3 Cache | 12 MB (total) | 15 MB (total)+25% |
| L2 Cache | 1.25 MB (per core)+400% | 256 kB (per core) |
| Process | Intel 7 nm-50% | 14 nm |
| Architecture | Alder Lake-U (2022) | Broadwell-E (2016) |
| PassMark | 11,305 | 11,376 |
| Cinebench R23 Multi | 6,788 | — |
| Geekbench 6 Single | 1,600+33% | 1,200 |
| Geekbench 6 Multi | 6,500+18% | 5,500 |
Memory & Platform
The Core i7-1250U uses the FCBGA1781 socket (PCIe 5.0), while the Core i7-6850K uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5200 on the Core i7-1250U versus DDR4-2400 on the Core i7-6850K — the Core i7-1250U supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-6850K supports up to 128 GB of RAM compared to 64 GB — 66.7% more capacity for professional workloads. Memory channels: 2 (Core i7-1250U) vs 4 (Core i7-6850K). PCIe lanes: 20 (Core i7-1250U) vs 40 (Core i7-6850K) — the Core i7-6850K offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SoC (Core i7-1250U) and X99 (Core i7-6850K).
| Feature | Core i7-1250U | Core i7-6850K |
|---|---|---|
| Socket | FCBGA1781 | LGA2011 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
| Max RAM Speed | DDR5-5200+25% | DDR4-2400 |
| Max RAM Capacity | 64 GB | 128 GB+100% |
| RAM Channels | 2 | 4+100% |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 20 | 40+100% |
Advanced Features
Only the Core i7-6850K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d, EPT (Core i7-1250U) vs VT-x, VT-d (Core i7-6850K). The Core i7-1250U includes integrated graphics (Intel Iris Xe Graphics (96EU)), while the Core i7-6850K requires a dedicated GPU. Primary use case: Core i7-1250U targets Thin and Light Laptop, Core i7-6850K targets HEDT.
| Feature | Core i7-1250U | Core i7-6850K |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel Iris Xe Graphics (96EU) | None |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d, EPT | VT-x, VT-d |
| Target Use | Thin and Light Laptop | HEDT |
Value Analysis
The Core i7-1250U launched at $426 MSRP, while the Core i7-6850K debuted at $617.
| Feature | Core i7-1250U | Core i7-6850K |
|---|---|---|
| MSRP | $426-31% | $617 |
| Avg Price (30d) | — | $80 |
| Release Date | 2022 | 2016 |
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