Core i7-7740X vs Xeon E5-2648L 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 i7-7740X vs Xeon E5-2648L 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 i7-7740X vs Xeon E5-2648L 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 i7-7740X

2017

Why buy it

✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (9,678 vs 9,847).
❌Smaller total L3 cache (8 MB vs 30 MB).
❌Less compelling for workstation-style loads than Xeon E5-2648L V3, which brings 12 cores / 24 threads.
❌Launch MSRP is still $339 MSRP, while Xeon E5-2648L V3 mostly shows up through inconsistent older-market listings.
❌49.3% higher power demand at 112W vs 75W.

Xeon E5-2648L V3

2014

Why buy it

✅+1.7% higher PassMark.
✅+275% larger total L3 cache (30 MB vs 8 MB).
✅Better for workstations and heavier parallel workloads: 12 cores / 24 threads.
✅Draws 75W instead of 112W, a 37W reduction.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Core i7-7740X better than Xeon E5-2648L V3?

Not really, because they are built for different jobs. Xeon E5-2648L V3 makes more sense for workstation-style multi-core throughput, while Core i7-7740X is the more practical desktop choice for gaming, platform cost, and everyday use.

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

For streaming, content creation, and heavier multitasking, Xeon E5-2648L V3 is the stronger fit. You are getting 1.7% better PassMark, backed by 12 cores and 24 threads. It also has the larger cache pool with 275% larger total L3 cache (30 MB vs 8 MB).

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

Core i7-7740X is the better buy right now. Core i7-7740X comes in at an unclear MSRP at $339 MSRP versus unclear MSRP, and it still gives you a 2.1% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon E5-2648L V3 is still stronger for heavier multi-core work with 1.7% better PassMark. It is also 100.0% better value on MSRP (28.5 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i7-7740X makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2017 vs 2014). That makes it the safer long-term bet.

Core i7-7740X vs Xeon E5-2648L V3 Technical Specifications

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

Core i7-7740X

The Core i7-7740X is manufactured by Intel. It was released in 26 June 2017 (8 years ago). It is based on the Kaby Lake-X (2017) architecture. It features 4 cores and 8 threads. Base frequency is 4.3 GHz, with boost up to 4.5 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 112 Watt. Memory support: DDR4. Passmark benchmark score: 9,678 points. Launch price was $339.

Xeon E5-2648L V3

The Xeon E5-2648L V3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 12 cores and 24 threads. Base frequency is 1.8 GHz, with boost up to 2.5 GHz. L3 cache: 30 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 75 Watt. Memory support: DDR4-2133. Passmark benchmark score: 9,847 points. Launch price was $800.

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Processing Power

The Core i7-7740X packs 4 cores / 8 threads, while the Xeon E5-2648L V3 offers 12 cores / 24 threads — the Xeon E5-2648L V3 has 8 more cores. Boost clocks reach 4.5 GHz on the Core i7-7740X versus 2.5 GHz on the Xeon E5-2648L V3 — a 57.1% clock advantage for the Core i7-7740X (base: 4.3 GHz vs 1.8 GHz). The Core i7-7740X uses the Kaby Lake-X (2017) architecture (14 nm), while the Xeon E5-2648L V3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Core i7-7740X scores 9,678 against the Xeon E5-2648L V3's 9,847 — a 1.7% lead for the Xeon E5-2648L V3. L3 cache: 8 MB (total) on the Core i7-7740X vs 30 MB (total) on the Xeon E5-2648L V3.

Feature	Core i7-7740X	Xeon E5-2648L V3
Cores / Threads	4 / 8	12 / 24+200%
Boost Clock	4.5 GHz+80%	2.5 GHz
Base Clock	4.3 GHz+139%	1.8 GHz
L3 Cache	8 MB (total)	30 MB (total)+275%
L2 Cache	256K (per core)	256K (per core)
Process	14 nm-36%	22 nm
Architecture	Kaby Lake-X (2017)	Haswell-EP (2014−2015)
PassMark	9,678	9,847+2%

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Memory & Platform

The Core i7-7740X uses the LGA2066 socket (PCIe 3.0), while the Xeon E5-2648L V3 uses LGA2011-3 (PCIe 5.0) — making them incompatible on the same motherboard.

Feature	Core i7-7740X	Xeon E5-2648L V3
Socket	LGA2066	LGA2011-3
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR4-2666	—
Max RAM Capacity	64 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—