Core i7-3920XM vs Xeon E3-1240L v3

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 i7-3920XM vs Xeon E3-1240L v3 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 i7-3920XM vs Xeon E3-1240L v3: Pros, Cons & Final Verdict

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

Core i7-3920XM

2012

Why buy it

✅Better for gaming: +3.5% higher average FPS across 50 shared CPU benchmark tests.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with HD Graphics 4000, while Xeon E3-1240L v3 needs a discrete GPU.

Trade-offs

❌120% higher power demand at 55W vs 25W.

Xeon E3-1240L v3

2014

Why buy it

✅Draws 25W instead of 55W, a 30W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Core i7-3920XM across 50 shared CPU benchmark tests.
❌Lower PassMark (5,681 vs 5,713).
❌No integrated graphics, while Core i7-3920XM can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i7-3920XM better than Xeon E3-1240L v3?

Not really, because they are built for different jobs. Xeon E3-1240L v3 makes more sense for workstation-style multi-core throughput, while Core i7-3920XM is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Core i7-3920XM is the better pick. According to our tests, it delivers 3.5% 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 0.6% better PassMark, backed by 4 cores and 8 threads.

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

Core i7-3920XM still makes the most sense overall. Core i7-3920XM comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 3.5% average FPS lead across 50 shared CPU game tests in our data.

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

Xeon E3-1240L v3 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2014 vs 2012). That makes it the safer long-term bet.

Core i7-3920XM vs Xeon E3-1240L v3 Technical Specifications

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

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.

Xeon E3-1240L v3

The Xeon E3-1240L v3 is manufactured by Intel. It was released in 11 May 2014 (11 years ago). It is based on the Haswell-WS (2013−2014) architecture. It features 4 cores and 8 threads. Base frequency is 2 GHz, with boost up to 3 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 25 Watt. Memory support: DDR3L-1333, DDR3L-1600. Passmark benchmark score: 5,681 points. Launch price was $278.

⚡

Processing Power

Both the Core i7-3920XM and Xeon E3-1240L v3 share an identical 4-core/8-thread configuration. Boost clocks reach 3.8 GHz on the Core i7-3920XM versus 3 GHz on the Xeon E3-1240L v3 — a 23.5% clock advantage for the Core i7-3920XM (base: 2.9 GHz vs 2 GHz). The Core i7-3920XM uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Xeon E3-1240L v3 uses Haswell-WS (2013−2014) (22 nm). In PassMark, the Core i7-3920XM scores 5,713 against the Xeon E3-1240L v3's 5,681 — a 0.6% lead for the Core i7-3920XM. Both processors carry 8 MB (total) of L3 cache.

Feature	Core i7-3920XM	Xeon E3-1240L v3
Cores / Threads	4 / 8	4 / 8
Boost Clock	3.8 GHz+27%	3 GHz
Base Clock	2.9 GHz+45%	2 GHz
L3 Cache	8 MB (total)	8 MB (total)
L2 Cache	256K (per core)	256K (per core)
Process	22 nm	22 nm
Architecture	Ivy Bridge (2012−2013)	Haswell-WS (2013−2014)
PassMark	5,713	5,681
Geekbench 6 Single	686	—

🧠

Memory & Platform

The Core i7-3920XM uses the PGA988 socket (PCIe 3.0), while the Xeon E3-1240L v3 uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i7-3920XM	Xeon E3-1240L v3
Socket	PGA988	LGA1150
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR3-1600	—
Max RAM Capacity	32 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

🔧

Advanced Features

Virtualization: VT-x, VT-d, EPT (Core i7-3920XM) / not specified (Xeon E3-1240L v3). The Core i7-3920XM includes integrated graphics (HD Graphics 4000), while the Xeon E3-1240L v3 requires a dedicated GPU. Primary use case: Core i7-3920XM targets Extreme Performance Laptop. Direct competitor: Core i7-3920XM rivals A10-5750M.