Core i7-2700K vs Core i7-3920XM

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 i7-2700K vs Core i7-3920XM 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 i7-2700K vs Core i7-3920XM: Pros, Cons & Final Verdict

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

Core i7-2700K

2011

Why buy it

✅Includes a boxed cooler (Yes), unlike Core i7-3920XM.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-3920XM across 50 shared CPU benchmark tests.
❌Lower PassMark (5,689 vs 5,713).
❌Launch MSRP is still $332 MSRP, while Core i7-3920XM mostly shows up through inconsistent older-market listings.
❌72.7% higher power demand at 95W vs 55W.

Core i7-3920XM

2012

Why buy it

✅Better for gaming: +4.4% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 55W instead of 95W, a 40W reduction.

Trade-offs

❌No boxed cooler included, unlike Core i7-2700K.

Quick Answers

So, is Core i7-3920XM better than Core i7-2700K?

Yes. Core i7-3920XM is the better all-around CPU here. It gives you a 4.4% average FPS lead across 50 shared CPU game tests in our data, 0.4% better PassMark, 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 i7-3920XM is the better pick. According to our tests, it delivers 4.4% 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 i7-3920XM is the stronger fit. You are getting 0.4% better PassMark, backed by 4 cores and 8 threads.

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

Core i7-3920XM is still the much better call for a fresh build. Core i7-3920XM comes in at an unclear MSRP at unclear MSRP versus $332 MSRP, and it still gives you a 4.4% average FPS lead across 50 shared CPU game tests in our data. Core i7-2700K only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2011 platform. Even with 100.0% better value on paper (17.1 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA1155.

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

Core i7-3920XM makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2012 vs 2011) and more multi-core headroom with 4 cores / 8 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i7-2700K vs Core i7-3920XM Technical Specifications

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

Core i7-2700K

The Core i7-2700K is manufactured by Intel. It was released in 24 October 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.5 GHz, with boost up to 3.9 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 5,689 points. Launch price was $514.

Core i7-3920XM

The Core i7-3920XM is manufactured by Intel. It was released in 29 April 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 4 cores and 8 threads. Base frequency is 2.9 GHz, with boost up to 3.8 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: PGA988. Thermal design power (TDP): 55 Watt. Memory support: DDR3. Passmark benchmark score: 5,713 points. Launch price was $1,096.

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Processing Power

Both the Core i7-2700K and Core i7-3920XM share an identical 4-core/8-thread configuration. Boost clocks reach 3.9 GHz on the Core i7-2700K versus 3.8 GHz on the Core i7-3920XM — a 2.6% clock advantage for the Core i7-2700K (base: 3.5 GHz vs 2.9 GHz). The Core i7-2700K uses the Sandy Bridge (2011−2013) architecture (32 nm), while the Core i7-3920XM uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Core i7-2700K scores 5,689 against the Core i7-3920XM's 5,713 — a 0.4% lead for the Core i7-3920XM. Geekbench 6 single-core — the metric most relevant to gaming — records 701 vs 686, a 2.2% lead for the Core i7-2700K that directly translates to higher frame rates. Both processors carry 8 MB (total) of L3 cache.

Feature	Core i7-2700K	Core i7-3920XM
Cores / Threads	4 / 8	4 / 8
Boost Clock	3.9 GHz+3%	3.8 GHz
Base Clock	3.5 GHz+21%	2.9 GHz
L3 Cache	8 MB (total)	8 MB (total)
L2 Cache	256 kB (per core)	256K (per core)
Process	32 nm	22 nm-31%
Architecture	Sandy Bridge (2011−2013)	Ivy Bridge (2012−2013)
PassMark	5,689	5,713
Geekbench 6 Single	701+2%	686

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Memory & Platform

The Core i7-2700K uses the LGA1155 socket (PCIe 2.0), while the Core i7-3920XM uses PGA988 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Core i7-2700K versus DDR3-1600 on the Core i7-3920XM — the Core i7-3920XM supports 20% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 32 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: P67,Z68,Z77,H67,H61,B75 (Core i7-2700K) and HM77,QM77 (Core i7-3920XM).

Feature	Core i7-2700K	Core i7-3920XM
Socket	LGA1155	PGA988
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	DDR3-1333	DDR3-1600+20%
Max RAM Capacity	32 GB	32 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	16

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Advanced Features

Both processors feature an unlocked multiplier for overclocking. Virtualization support: VT-x (Core i7-2700K) vs VT-x, VT-d, EPT (Core i7-3920XM). Both include integrated graphics — HD Graphics 3000 (Core i7-2700K) and HD Graphics 4000 (Core i7-3920XM) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i7-2700K targets Gaming Desktop, Core i7-3920XM targets Extreme Performance Laptop. Direct competitor: Core i7-2700K rivals FX-8150; Core i7-3920XM rivals A10-5750M.

Feature	Core i7-2700K	Core i7-3920XM
Integrated GPU	Yes	Yes
IGPU Model	HD Graphics 3000	HD Graphics 4000
Unlocked	Yes	Yes
AVX-512	No	No
Virtualization	VT-x	VT-x, VT-d, EPT
Target Use	Gaming Desktop	Extreme Performance Laptop