Core i7-6700 vs Xeon E3-1585L v5

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 i7-6700 vs Xeon E3-1585L v5 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 i7-6700 vs Xeon E3-1585L v5: Pros, Cons & Final Verdict

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

Core i7-6700

2015

Why buy it

Trade-offs

❌Launch MSRP is still $303 MSRP, while Xeon E3-1585L v5 mostly shows up through inconsistent older-market listings.
❌44.4% higher power demand at 65W vs 45W.

Xeon E3-1585L v5

2016

Why buy it

✅Draws 45W instead of 65W, a 20W reduction.

Trade-offs

❌Lower PassMark (7,959 vs 8,048).

Quick Answers

So, is Core i7-6700 better than Xeon E3-1585L v5?

Not really, because they are built for different jobs. Xeon E3-1585L v5 makes more sense for workstation-style multi-core throughput, while Core i7-6700 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 i7-6700 is the better pick. According to our tests, it delivers 2.4% 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 i7-6700 is the stronger fit. You are getting 1.1% better PassMark, backed by 4 cores and 8 threads.

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

Core i7-6700 is the better buy right now. Core i7-6700 comes in at an unclear MSRP at $303 MSRP versus unclear MSRP, and it still gives you a 2.4% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (26.6 vs 0.0 PassMark/$), 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 E3-1585L v5 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2016 vs 2015). That makes it the safer long-term bet.

Core i7-6700 vs Xeon E3-1585L v5 Technical Specifications

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

Core i7-6700

The Core i7-6700 is manufactured by Intel. It was released in 1 July 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 4 cores and 8 threads. Base frequency is 3.4 GHz, with boost up to 4 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 65 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 8,048 points. Launch price was $303.

Xeon E3-1585L v5

The Xeon E3-1585L v5 is manufactured by Intel. It was released in 31 May 2016 (9 years ago). It is based on the Skylake-H (2015−2016) architecture. It features 4 cores and 8 threads. Base frequency is 3 GHz, with boost up to 3.7 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 45 Watt. Memory support: DDR3L,LPDDR3 1600 MHz, DDR4 2133 MHz at 1.2V. Passmark benchmark score: 7,959 points. Launch price was $445.

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Processing Power

Both the Core i7-6700 and Xeon E3-1585L v5 share an identical 4-core/8-thread configuration. Boost clocks reach 4 GHz on the Core i7-6700 versus 3.7 GHz on the Xeon E3-1585L v5 — a 7.8% clock advantage for the Core i7-6700 (base: 3.4 GHz vs 3 GHz). The Core i7-6700 uses the Skylake (2015−2016) architecture (14 nm), while the Xeon E3-1585L v5 uses Skylake-H (2015−2016) (14 nm). In PassMark, the Core i7-6700 scores 8,048 against the Xeon E3-1585L v5's 7,959 — a 1.1% lead for the Core i7-6700. Both processors carry 8 MB (total) of L3 cache.

Feature	Core i7-6700	Xeon E3-1585L v5
Cores / Threads	4 / 8	4 / 8
Boost Clock	4 GHz+8%	3.7 GHz
Base Clock	3.4 GHz+13%	3 GHz
L3 Cache	8 MB (total)	8 MB (total)
L2 Cache	256 kB (per core)	256 kB (per core)
Process	14 nm	14 nm
Architecture	Skylake (2015−2016)	Skylake-H (2015−2016)
PassMark	8,048+1%	7,959

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Memory & Platform

The Core i7-6700 uses the LGA1151 socket (PCIe 3.0), while the Xeon E3-1585L v5 uses BGA1440 (PCIe 5.0) — making them incompatible on the same motherboard.