Xeon E3-1268L v5 vs Xeon E5-1428L

Intel

Xeon E3-1268L v5

4 Cores8 Thrd35 WWMax: 3.4 GHz2015
VS
Intel

Xeon E5-1428L

6 Cores12 Thrd60 WWMax: 1.8 GHz2012

Xeon E3-1268L v5 vs Xeon E5-1428L Performance Spectrum

About PassMark

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 E5-1428L 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 E5-1428L: 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

  • Costs $103 less on MSRP ($377 MSRP vs $480 MSRP).
  • Delivers 28.9% more PassMark for each dollar spent, at 16.8 vs 13.0 PassMark/$ ($377 MSRP vs $480 MSRP).
  • Draws 35W instead of 60W, a 25W reduction.

Trade-offs

  • Smaller total L3 cache (8 MB vs 15 MB).

Xeon E5-1428L

2012

Why buy it

  • +87.5% larger total L3 cache (15 MB vs 8 MB).

Trade-offs

  • Lower PassMark (6,255 vs 6,334).
  • Lower PassMark per dollar, at 13.0 vs 16.8 PassMark/$ ($480 MSRP vs $377 MSRP).
  • 71.4% higher power demand at 60W vs 35W.

Quick Answers

So, is Xeon E3-1268L v5 better than Xeon E5-1428L?
Yes. Xeon E3-1268L v5 is the better all-around CPU here. It gives you a 0.1% average FPS lead across 49 shared CPU game tests in our data, 1.3% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Xeon E3-1268L v5 is the better pick. According to our tests, it delivers 0.1% more average FPS across 49 shared CPU game tests.
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 1.3% 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 the better buy right now. Xeon E3-1268L v5 comes in $103 cheaper on MSRP at $377 MSRP versus $480 MSRP, and it still gives you a 0.1% average FPS lead across 49 shared CPU game tests in our data. It is also 28.9% better value on MSRP (16.8 vs 13.0 PassMark/$), 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 E3-1268L v5 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2012) and more multi-core headroom with 4 cores / 8 threads instead of 6/12. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon E3-1268L v5 vs Xeon E5-1428L Technical Specifications

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

Intel

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.

Intel

Xeon E5-1428L

The Xeon E5-1428L is manufactured by Intel. It was released in 2015-01-01. It is based on the Sandy Bridge-EN (2012) architecture. It features 6 cores and 12 threads. Base frequency is 1.8 GHz, with boost up to 1.8 GHz. L3 cache: 15360 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1356. Thermal design power (TDP): 60 Watt. Memory support: DDR3. Passmark benchmark score: 6,255 points. Launch price was $800.

Processing Power

The Xeon E3-1268L v5 packs 4 cores / 8 threads, while the Xeon E5-1428L offers 6 cores / 12 threads — the Xeon E5-1428L has 2 more cores. Boost clocks reach 3.4 GHz on the Xeon E3-1268L v5 versus 1.8 GHz on the Xeon E5-1428L — a 61.5% clock advantage for the Xeon E3-1268L v5 (base: 2.4 GHz vs 1.8 GHz). The Xeon E3-1268L v5 uses the Skylake-DT (2015) architecture (14 nm), while the Xeon E5-1428L uses Sandy Bridge-EN (2012) (32 nm). In PassMark, the Xeon E3-1268L v5 scores 6,334 against the Xeon E5-1428L's 6,255 — a 1.3% lead for the Xeon E3-1268L v5. L3 cache: 8 MB (total) on the Xeon E3-1268L v5 vs 15360 kB (total) on the Xeon E5-1428L.

FeatureXeon E3-1268L v5Xeon E5-1428L
Cores / Threads
4 / 8
6 / 12+50%
Boost Clock
3.4 GHz+89%
1.8 GHz
Base Clock
2.4 GHz+33%
1.8 GHz
L3 Cache
8 MB (total)
15360 kB (total)+88%
L2 Cache
256 kB (per core)
256 kB (per core)
Process
14 nm-56%
32 nm
Architecture
Skylake-DT (2015)
Sandy Bridge-EN (2012)
PassMark
6,334+1%
6,255
🧠

Memory & Platform

The Xeon E3-1268L v5 uses the LGA1151 socket (PCIe 3.0), while the Xeon E5-1428L uses LGA1356 (PCIe 2.0) — making them incompatible on the same motherboard.

FeatureXeon E3-1268L v5Xeon E5-1428L
Socket
LGA1151
LGA1356
PCIe Generation
PCIe 3.0+50%
PCIe 2.0
💰

Value Analysis

At launch, the Xeon E3-1268L v5 was priced at $377, while the Xeon E5-1428L came in at $480. On launch pricing ($377 vs $480), Xeon E3-1268L v5 was $103 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon E3-1268L v5 delivers 16.8 pts/$ vs 13.0 pts/$ for the Xeon E5-1428L — making the Xeon E3-1268L v5 the 25.3% better value option.

FeatureXeon E3-1268L v5Xeon E5-1428L
MSRP
$377-21%
$480
Performance per Dollar
16.8+29%
13.0
Release Date
2015
2012

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