Xeon E3-1535M v5 vs Xeon E5-2637 v4

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.

Xeon E3-1535M v5 vs Xeon E5-2637 v4 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.

Xeon E3-1535M v5 vs Xeon E5-2637 v4: Pros, Cons & Final Verdict

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

Xeon E3-1535M v5

2015

Why buy it

✅+0.3% higher PassMark.
✅Draws 45W instead of 135W, a 90W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5-2637 v4 across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (8 MB vs 10 MB).

Xeon E5-2637 v4

2016

Why buy it

✅Better for gaming: +7.8% higher average FPS across 50 shared CPU benchmark tests.
✅+25% larger total L3 cache (10 MB vs 8 MB).

Trade-offs

❌Lower PassMark (7,460 vs 7,480).
❌200% higher power demand at 135W vs 45W.

Quick Answers

So, is Xeon E3-1535M v5 better than Xeon E5-2637 v4?

It depends on what you want from the system. For gaming, Xeon E5-2637 v4 is ahead with a 7.8% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon E3-1535M v5 pulls ahead with 0.3% better PassMark. Xeon E5-2637 v4 also has the bigger cache pool with 25% larger total L3 cache (10 MB vs 8 MB).

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

For streaming, content creation, and heavier multitasking, Xeon E3-1535M v5 is the stronger fit. You are getting 0.3% better PassMark, backed by 4 cores and 8 threads.

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

Xeon E3-1535M v5 still makes the most sense overall. Xeon E3-1535M v5 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 0.3% better PassMark.

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

Xeon E5-2637 v4 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2016 vs 2015) and 25% larger total L3 cache (10 MB vs 8 MB). That makes it the safer long-term bet.

Xeon E3-1535M v5 vs Xeon E5-2637 v4 Technical Specifications

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

Xeon E3-1535M v5

The Xeon E3-1535M v5 is manufactured by Intel. It was released in 27 October 2015 (10 years ago). It is based on the Skylake-H (2015−2016) 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: 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: 7,480 points. Launch price was $623.

Xeon E5-2637 v4

The Xeon E5-2637 v4 is manufactured by Intel. It was released in 20 June 2016 (9 years ago). It is based on the Broadwell (2015−2019) architecture. It features 4 cores and 8 threads. Base frequency is 3.5 GHz, with boost up to 3.7 GHz. L3 cache: 10 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: LGA2011. Thermal design power (TDP): 135 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400. Passmark benchmark score: 7,460 points. Launch price was $996.

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Processing Power

Both the Xeon E3-1535M v5 and Xeon E5-2637 v4 share an identical 4-core/8-thread configuration. Boost clocks reach 3.8 GHz on the Xeon E3-1535M v5 versus 3.7 GHz on the Xeon E5-2637 v4 — a 2.7% clock advantage for the Xeon E3-1535M v5 (base: 2.9 GHz vs 3.5 GHz). The Xeon E3-1535M v5 uses the Skylake-H (2015−2016) architecture (14 nm), while the Xeon E5-2637 v4 uses Broadwell (2015−2019) (14 nm). In PassMark, the Xeon E3-1535M v5 scores 7,480 against the Xeon E5-2637 v4's 7,460 — a 0.3% lead for the Xeon E3-1535M v5. L3 cache: 8 MB (total) on the Xeon E3-1535M v5 vs 10 MB on the Xeon E5-2637 v4.

Feature	Xeon E3-1535M v5	Xeon E5-2637 v4
Cores / Threads	4 / 8	4 / 8
Boost Clock	3.8 GHz+3%	3.7 GHz
Base Clock	2.9 GHz	3.5 GHz+21%
L3 Cache	8 MB (total)	10 MB+25%
L2 Cache	256 kB (per core)	1 MB+300%
Process	14 nm	14 nm
Architecture	Skylake-H (2015−2016)	Broadwell (2015−2019)
PassMark	7,480	7,460

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Memory & Platform

The Xeon E3-1535M v5 uses the BGA1440 socket (PCIe 3.0), while the Xeon E5-2637 v4 uses LGA2011 (PCIe 4.0) — making them incompatible on the same motherboard.