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 i7-1250U vs Core i7-6850K 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.

Core i7-1250U vs Core i7-6850K: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i7-1250U

2022

Why buy it

✅Better for gaming: +20.6% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $191 less on MSRP ($426 MSRP vs $617 MSRP).
✅Delivers 43.9% more PassMark for each dollar spent, at 26.5 vs 18.4 PassMark/$ ($426 MSRP vs $617 MSRP).
✅Draws 10W instead of 140W, a 131W reduction.
✅Newer platform on FCBGA1781 with DDR5 support instead of LGA2011 and DDR4.

Trade-offs

❌Smaller total L3 cache (12 MB vs 15 MB).

Core i7-6850K

2016

Why buy it

✅+25% larger total L3 cache (15 MB vs 12 MB).
✅100% more PCIe lanes (40 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-1250U across 50 shared CPU benchmark tests.
❌Lower Geekbench multi-core (5,500 vs 6,500).
❌Lower PassMark per dollar, at 18.4 vs 26.5 PassMark/$ ($617 MSRP vs $426 MSRP).
❌1373.7% higher power demand at 140W vs 9.5W.
❌Older platform position on LGA2011 with DDR4, while Core i7-1250U moves to FCBGA1781 and DDR5.

Quick Answers

So, is Core i7-1250U better than Core i7-6850K?

Yes. Core i7-1250U is the better all-around CPU here. It gives you a 20.6% average FPS lead across 50 shared CPU game tests in our data, 18.2% better Geekbench multi-core, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core i7-1250U is the better pick. According to our tests, it delivers 20.6% more average FPS across 50 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core i7-1250U is the stronger fit. You are getting 18.2% better Geekbench multi-core, backed by 10 cores and 12 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Core i7-1250U is the better buy right now. Core i7-1250U comes in $191 cheaper on MSRP at $426 MSRP versus $617 MSRP, and it still gives you a 20.6% average FPS lead across 50 shared CPU game tests in our data. It is also 43.9% better value on MSRP (26.5 vs 18.4 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Core i7-1250U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2016), a healthier platform with FCBGA1781 and DDR5 instead of LGA2011, and more multi-core headroom with 10 cores / 12 threads instead of 6/12. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i7-1250U vs Core i7-6850K Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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.

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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 116.7% 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 — 100% 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+117%	DDR4-2400
Max RAM Capacity	64 GB	128 GB+100%
RAM Channels	2	4+100%
ECC Support	No	No
PCIe Lanes	20	40+100%

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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

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Value Analysis

At launch, the Core i7-1250U was priced at $426, while the Core i7-6850K came in at $617. On launch pricing ($426 vs $617), Core i7-1250U was $191 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-1250U delivers 26.5 pts/$ vs 18.4 pts/$ for the Core i7-6850K — making the Core i7-1250U the 36% better value option.

Feature	Core i7-1250U	Core i7-6850K
MSRP	$426-31%	$617
Performance per Dollar	26.5+44%	18.4
Release Date	2022	2016

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