Core i7-5775C vs Xeon E3-1575M 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 i7-5775C vs Xeon E3-1575M 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 i7-5775C vs Xeon E3-1575M 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 i7-5775C

2015

Why buy it

Trade-offs

❌Lower PassMark (7,688 vs 7,727).
❌Smaller total L3 cache (6 MB vs 8 MB).
❌Launch MSRP is still $366 MSRP, while Xeon E3-1575M v5 mostly shows up through inconsistent older-market listings.
❌44.4% higher power demand at 65W vs 45W.

Xeon E3-1575M v5

2016

Why buy it

✅+33.3% larger total L3 cache (8 MB vs 6 MB).
✅Draws 45W instead of 65W, a 20W reduction.

Trade-offs

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

Quick Answers

So, is Xeon E3-1575M v5 better than Core i7-5775C?

Not really, because they are built for different jobs. Xeon E3-1575M v5 makes more sense for workstation-style multi-core throughput, while Core i7-5775C 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 E3-1575M v5 is the better pick. According to our tests, it delivers 0.0% 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 E3-1575M v5 is the stronger fit. You are getting 0.5% better PassMark, backed by 4 cores and 8 threads. It also has the larger cache pool with 33.3% larger total L3 cache (8 MB vs 6 MB).

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

Xeon E3-1575M v5 is still the much better call for a fresh build. Xeon E3-1575M v5 comes in at an unclear MSRP at unclear MSRP versus $366 MSRP, and it still gives you a 0.0% average FPS lead across 50 shared CPU game tests in our data. Core i7-5775C only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2015 platform. Even with 100.0% better value on paper (21.0 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA1150.

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

Xeon E3-1575M v5 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2016 vs 2015), 33.3% larger total L3 cache (8 MB vs 6 MB), 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 i7-5775C vs Xeon E3-1575M v5 Technical Specifications

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

Core i7-5775C

The Core i7-5775C is manufactured by Intel. It was released in 15 May 2015 (10 years ago). It is based on the Broadwell (2015−2019) architecture. It features 4 cores and 8 threads. Base frequency is 3.3 GHz, with boost up to 3.7 GHz. L3 cache: 6 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1150. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 7,688 points. Launch price was $366.

Xeon E3-1575M v5

The Xeon E3-1575M v5 is manufactured by Intel. It was released in 24 January 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 3.9 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: DDR3, DDR4. Passmark benchmark score: 7,727 points. Launch price was $1,207.

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Processing Power

Both the Core i7-5775C and Xeon E3-1575M v5 share an identical 4-core/8-thread configuration. Boost clocks reach 3.7 GHz on the Core i7-5775C versus 3.9 GHz on the Xeon E3-1575M v5 — a 5.3% clock advantage for the Xeon E3-1575M v5 (base: 3.3 GHz vs 3 GHz). The Core i7-5775C uses the Broadwell (2015−2019) architecture (14 nm), while the Xeon E3-1575M v5 uses Skylake-H (2015−2016) (14 nm). In PassMark, the Core i7-5775C scores 7,688 against the Xeon E3-1575M v5's 7,727 — a 0.5% lead for the Xeon E3-1575M v5. L3 cache: 6 MB (total) on the Core i7-5775C vs 8 MB (total) on the Xeon E3-1575M v5.

Feature	Core i7-5775C	Xeon E3-1575M v5
Cores / Threads	4 / 8	4 / 8
Boost Clock	3.7 GHz	3.9 GHz+5%
Base Clock	3.3 GHz+10%	3 GHz
L3 Cache	6 MB (total)	8 MB (total)+33%
L2 Cache	256 kB (per core)	256 kB (per core)
Process	14 nm	14 nm
Architecture	Broadwell (2015−2019)	Skylake-H (2015−2016)
PassMark	7,688	7,727

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Memory & Platform

The Core i7-5775C uses the LGA1150 socket (PCIe 3.0), while the Xeon E3-1575M v5 uses BGA1440 (PCIe 3.0) — making them incompatible on the same motherboard.