Xeon E3-1268L v5 vs Xeon E3-1275L 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.

Xeon E3-1268L v5 vs Xeon E3-1275L 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.

Xeon E3-1268L v5 vs Xeon E3-1275L v3: Pros, Cons & Final Verdict

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

Xeon E3-1268L v5

2015

Why buy it

✅+0.1% higher PassMark.
✅Draws 35W instead of 45W, a 10W reduction.

Trade-offs

❌
7.7% HIGHER MSRP
$377 MSRPvs$350 MSRP
❌No integrated graphics, while Xeon E3-1275L v3 can still boot and troubleshoot without a discrete GPU.

Xeon E3-1275L v3

2014

Why buy it

✅Costs $27 less on MSRP ($350 MSRP vs $377 MSRP).
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel HD Graphics P4600, while Xeon E3-1268L v5 needs a discrete GPU.

Trade-offs

❌Lower PassMark (6,327 vs 6,334).
❌28.6% higher power demand at 45W vs 35W.

Quick Answers

So, is Xeon E3-1268L v5 better than Xeon E3-1275L v3?

It depends on what you want from the system. For gaming, Xeon E3-1275L v3 is ahead with a 1.7% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon E3-1268L v5 pulls ahead with 0.1% better PassMark.

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

For streaming, content creation, and heavier multitasking, Xeon E3-1268L v5 is the stronger fit. You are getting 0.1% better PassMark, backed by 4 cores and 8 threads.

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

Xeon E3-1268L v5 is still the faster CPU overall, but Xeon E3-1275L v3 is easier to justify if budget matters more than peak performance. Xeon E3-1268L v5 comes in 7.7% more expensive on MSRP at $377 MSRP versus $350 MSRP, and it still gives you 0.1% better PassMark. The compromise is that Xeon E3-1275L v3 is still the better pure gaming CPU with a 1.7% average FPS lead across 50 shared CPU game tests in our data. Xeon E3-1275L v3 is also 7.6% better value on MSRP (18.1 vs 16.8 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Xeon E3-1268L v5 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2014) 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.

Xeon E3-1268L v5 vs Xeon E3-1275L v3 Technical Specifications

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

Xeon E3-1268L v5

The Xeon E3-1268L 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 8 threads. Base frequency is 2.4 GHz, with boost up to 3.4 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 6,334 points. Launch price was $377.

Xeon E3-1275L v3

The Xeon E3-1275L v3 is manufactured by Intel. It was released in 2015-01-01. It features 4 cores and 8 threads. Base frequency is 2.7 GHz, with boost up to 3.9 GHz. L3 cache: 8 MB Intel® Smart Cache. Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 45 Watt. Memory support: DDR3-1333, DDR3-1600. Passmark benchmark score: 6,327 points. Launch price was $800.

⚡

Processing Power

Both the Xeon E3-1268L v5 and Xeon E3-1275L v3 share an identical 4-core/8-thread configuration. Boost clocks reach 3.4 GHz on the Xeon E3-1268L v5 versus 3.9 GHz on the Xeon E3-1275L v3 — a 13.7% clock advantage for the Xeon E3-1275L v3 (base: 2.4 GHz vs 2.7 GHz). The Xeon E3-1268L v5 is built on the Skylake-DT (2015) architecture. In PassMark, the Xeon E3-1268L v5 scores 6,334 against the Xeon E3-1275L v3's 6,327 — a 0.1% lead for the Xeon E3-1268L v5. L3 cache: 8 MB (total) on the Xeon E3-1268L v5 vs 8 MB Intel® Smart Cache on the Xeon E3-1275L v3.

Feature	Xeon E3-1268L v5	Xeon E3-1275L v3
Cores / Threads	4 / 8	4 / 8
Boost Clock	3.4 GHz	3.9 GHz+15%
Base Clock	2.4 GHz	2.7 GHz+13%
L3 Cache	8 MB (total)	8 MB Intel® Smart Cache
L2 Cache	256 kB (per core)	—
Process	14 nm-36%	22 nm
Architecture	Skylake-DT (2015)	—
PassMark	6,334	6,327
Geekbench 6 Single	—	900
Geekbench 6 Multi	—	3,000

🧠

Memory & Platform

The Xeon E3-1268L v5 uses the LGA1151 socket (PCIe 3.0), while the Xeon E3-1275L v3 uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Xeon E3-1268L v5	Xeon E3-1275L v3
Socket	LGA1151	LGA1150
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	—	DDR3-1600
Max RAM Capacity	—	32 GB
RAM Channels	—	2
ECC Support	—	Yes
PCIe Lanes	—	16

🔧

Advanced Features

Virtualization: not specified (Xeon E3-1268L v5) / VT-x, VT-d (Xeon E3-1275L v3). The Xeon E3-1275L v3 includes integrated graphics (Intel HD Graphics P4600), while the Xeon E3-1268L v5 requires a dedicated GPU. Primary use case: Xeon E3-1275L v3 targets Low Power Server. Direct competitor: Xeon E3-1275L v3 rivals Xeon E3-1270 v3.

Feature	Xeon E3-1268L v5	Xeon E3-1275L v3
Integrated GPU	—	Yes
IGPU Model	—	Intel HD Graphics P4600
Unlocked	—	No
AVX-512	—	No
Virtualization	—	VT-x, VT-d
Target Use	—	Low Power Server

💰

Value Analysis

At launch, the Xeon E3-1268L v5 was priced at $377, while the Xeon E3-1275L v3 came in at $350. On launch pricing ($377 vs $350), Xeon E3-1275L v3 was $27 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon E3-1268L v5 delivers 16.8 pts/$ vs 18.1 pts/$ for the Xeon E3-1275L v3 — making the Xeon E3-1275L v3 the 7.3% better value option.

Feature	Xeon E3-1268L v5	Xeon E3-1275L v3
MSRP	$377	$350-7%
Performance per Dollar	16.8	18.1+8%
Release Date	2015	2014

Search Xeon E3-1268L v5 on Amazon

Search Xeon E3-1275L v3 on Amazon

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.