Xeon E3-1235L v5 vs Xeon E3-1265L v2

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 E3-1235L v5 vs Xeon E3-1265L v2 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 E3-1235L v5 vs Xeon E3-1265L v2: Pros, Cons & Final Verdict

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

Xeon E3-1235L v5

2015

Why buy it

✅Draws 25W instead of 45W, a 20W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E3-1265L v2 across 50 shared CPU benchmark tests.
❌Lower PassMark (5,013 vs 5,040).

Xeon E3-1265L v2

2012

Why buy it

✅Better for gaming: +17.7% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Launch MSRP is still $265 MSRP, while Xeon E3-1235L v5 mostly shows up through inconsistent older-market listings.
❌80% higher power demand at 45W vs 25W.

Quick Answers

So, is Xeon E3-1265L v2 better than Xeon E3-1235L v5?

Yes. Xeon E3-1265L v2 is the better all-around CPU here. It gives you a 17.7% average FPS lead across 50 shared CPU game tests in our data and 0.5% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Xeon E3-1265L v2 is the better pick. According to our tests, it delivers 17.7% 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 E3-1265L v2 is the stronger fit. You are getting 0.5% better PassMark, backed by 4 cores and 8 threads.

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

Xeon E3-1265L v2 is the better buy right now. Xeon E3-1265L v2 comes in at an unclear MSRP at $265 MSRP versus unclear MSRP, and it still gives you a 17.7% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (19.0 vs 0.0 PassMark/$), 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 E3-1235L v5 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2012). That makes it the safer long-term bet.

Xeon E3-1235L v5 vs Xeon E3-1265L v2 Technical Specifications

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

Xeon E3-1235L v5

The Xeon E3-1235L v5 is manufactured by Intel. It was released in 19 October 2015 (10 years ago). It is based on the Skylake-DT (2015) architecture. It features 4 cores and 4 threads. Base frequency is 2 GHz, with boost up to 3 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 25 Watt. Memory support: DDR4-1866/2133, DDR3L-1333/1600. Passmark benchmark score: 5,013 points. Launch price was $250.

Xeon E3-1265L v2

The Xeon E3-1265L v2 is manufactured by Intel. It was released in 14 May 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 4 cores and 8 threads. Base frequency is 2.5 GHz, with boost up to 3.5 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 5,040 points. Launch price was $142.

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Processing Power

The Xeon E3-1235L v5 packs 4 cores / 4 threads, matching the Xeon E3-1265L v2's 4 cores. Boost clocks reach 3 GHz on the Xeon E3-1235L v5 versus 3.5 GHz on the Xeon E3-1265L v2 — a 15.4% clock advantage for the Xeon E3-1265L v2 (base: 2 GHz vs 2.5 GHz). The Xeon E3-1235L v5 uses the Skylake-DT (2015) architecture (14 nm), while the Xeon E3-1265L v2 uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Xeon E3-1235L v5 scores 5,013 against the Xeon E3-1265L v2's 5,040 — a 0.5% lead for the Xeon E3-1265L v2. Both processors carry 8 MB (total) of L3 cache.

Feature	Xeon E3-1235L v5	Xeon E3-1265L v2
Cores / Threads	4 / 4	4 / 8
Boost Clock	3 GHz	3.5 GHz+17%
Base Clock	2 GHz	2.5 GHz+25%
L3 Cache	8 MB (total)	8 MB (total)
L2 Cache	256 kB (per core)	256 kB (per core)
Process	14 nm-36%	22 nm
Architecture	Skylake-DT (2015)	Ivy Bridge (2012−2013)
PassMark	5,013	5,040

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Memory & Platform

The Xeon E3-1235L v5 uses the LGA1151 socket (PCIe 3.0), while the Xeon E3-1265L v2 uses LGA1155 (PCIe 5.0) — making them incompatible on the same motherboard.