Core i7-3940XM vs Xeon E5-2650L

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 i7-3940XM vs Xeon E5-2650L 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 i7-3940XM vs Xeon E5-2650L: Pros, Cons & Final Verdict

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

Core i7-3940XM

2012

Why buy it

✅Draws 55W instead of 70W, a 15W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with HD Graphics 4000, while Xeon E5-2650L needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5-2650L across 50 shared CPU benchmark tests.
❌Lower PassMark (5,957 vs 6,055).
❌Smaller total L3 cache (8 MB vs 20 MB).
❌Less compelling for workstation-style loads than Xeon E5-2650L, which brings 8 cores / 16 threads.

Xeon E5-2650L

2012

Why buy it

✅Better for gaming: +3.7% higher average FPS across 50 shared CPU benchmark tests.
✅+150% larger total L3 cache (20 MB vs 8 MB).
✅Better for workstations and heavier parallel workloads: 8 cores / 16 threads.

Trade-offs

❌Launch MSRP is still $748 MSRP, while Core i7-3940XM mostly shows up through inconsistent older-market listings.
❌27.3% higher power demand at 70W vs 55W.
❌No integrated graphics, while Core i7-3940XM can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Xeon E5-2650L better than Core i7-3940XM?

Not really, because they are built for different jobs. Xeon E5-2650L makes more sense for workstation-style multi-core throughput, while Core i7-3940XM is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Xeon E5-2650L is the better pick. According to our tests, it delivers 3.7% 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, Xeon E5-2650L is the stronger fit. You are getting 1.6% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 150% larger total L3 cache (20 MB vs 8 MB).

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

Xeon E5-2650L is the better buy right now. Xeon E5-2650L comes in at an unclear MSRP at $748 MSRP versus unclear MSRP, and it still gives you a 3.7% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (8.1 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Xeon E5-2650L makes more sense long term for 2026 and beyond. You are getting 150% larger total L3 cache (20 MB vs 8 MB) and more multi-core headroom with 8 cores / 16 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i7-3940XM vs Xeon E5-2650L Technical Specifications

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

Core i7-3940XM

The Core i7-3940XM is manufactured by Intel. It was released in 3 September 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 4 cores and 8 threads. Base frequency is 3 GHz, with boost up to 3.9 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: 5,957 points. Launch price was $1,096.

Xeon E5-2650L

The Xeon E5-2650L is manufactured by Intel. It was released in 6 March 2012 (13 years ago). It is based on the Sandy Bridge-EP (2012) architecture. It features 8 cores and 16 threads. Base frequency is 1.8 GHz, with boost up to 2.3 GHz. L3 cache: 20480 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 70 Watt. Memory support: DDR3. Passmark benchmark score: 6,055 points. Launch price was $142.

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Processing Power

The Core i7-3940XM packs 4 cores / 8 threads, while the Xeon E5-2650L offers 8 cores / 16 threads — the Xeon E5-2650L has 4 more cores. Boost clocks reach 3.9 GHz on the Core i7-3940XM versus 2.3 GHz on the Xeon E5-2650L — a 51.6% clock advantage for the Core i7-3940XM (base: 3 GHz vs 1.8 GHz). The Core i7-3940XM uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Xeon E5-2650L uses Sandy Bridge-EP (2012) (32 nm). In PassMark, the Core i7-3940XM scores 5,957 against the Xeon E5-2650L's 6,055 — a 1.6% lead for the Xeon E5-2650L. L3 cache: 8 MB (total) on the Core i7-3940XM vs 20480 kB (total) on the Xeon E5-2650L.

Feature	Core i7-3940XM	Xeon E5-2650L
Cores / Threads	4 / 8	8 / 16+100%
Boost Clock	3.9 GHz+70%	2.3 GHz
Base Clock	3 GHz+67%	1.8 GHz
L3 Cache	8 MB (total)	20480 kB (total)+150%
L2 Cache	256K (per core)	256 kB (per core)
Process	22 nm-31%	32 nm
Architecture	Ivy Bridge (2012−2013)	Sandy Bridge-EP (2012)
PassMark	5,957	6,055+2%
Geekbench 6 Single	720	—

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Memory & Platform

The Core i7-3940XM uses the PGA988 socket (PCIe 3.0), while the Xeon E5-2650L uses LGA2011 (PCIe 5.0) — making them incompatible on the same motherboard.

Feature	Core i7-3940XM	Xeon E5-2650L
Socket	PGA988	LGA2011
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR3-1600	—
Max RAM Capacity	32 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x, VT-d, EPT (Core i7-3940XM) / not specified (Xeon E5-2650L). The Core i7-3940XM includes integrated graphics (HD Graphics 4000), while the Xeon E5-2650L requires a dedicated GPU. Primary use case: Core i7-3940XM targets Extreme Performance Laptop. Direct competitor: Core i7-3940XM rivals A10-5750M.