Xeon E5-1428L vs Xeon E5-2640

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 E5-1428L vs Xeon E5-2640 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 E5-1428L vs Xeon E5-2640: Pros, Cons & Final Verdict

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

Xeon E5-1428L

2012

Why buy it

✅Costs $405 less on MSRP ($480 MSRP vs $885 MSRP).
✅Delivers 82.9% more PassMark for each dollar spent, at 13.0 vs 7.1 PassMark/$ ($480 MSRP vs $885 MSRP).
✅Draws 60W instead of 95W, a 35W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5-2640 across 50 shared CPU benchmark tests.
❌Lower PassMark (6,255 vs 6,305).

Xeon E5-2640

2012

Why buy it

✅Better for gaming: +6.9% higher average FPS across 50 shared CPU benchmark tests.
✅100+% more PCIe lanes (40 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark per dollar, at 7.1 vs 13.0 PassMark/$ ($885 MSRP vs $480 MSRP).
❌58.3% higher power demand at 95W vs 60W.

Quick Answers

So, is Xeon E5-2640 better than Xeon E5-1428L?

Yes. Xeon E5-2640 is the better all-around CPU here. It gives you a 6.9% average FPS lead across 50 shared CPU game tests in our data, 0.8% 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 E5-2640 is the better pick. According to our tests, it delivers 6.9% 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 E5-2640 is the stronger fit. You are getting 0.8% better PassMark, backed by 6 cores and 12 threads.

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

Xeon E5-2640 is still the faster CPU overall, but Xeon E5-1428L is easier to justify if budget matters more than peak performance. Xeon E5-2640 comes in 84.4% more expensive on MSRP at $885 MSRP versus $480 MSRP, and it still gives you a 6.9% average FPS lead across 50 shared CPU game tests in our data. Xeon E5-1428L is also 82.9% better value on MSRP (13.0 vs 7.1 PassMark/$), 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 E5-2640 makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 6 cores / 12 threads instead of 6/12. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon E5-1428L vs Xeon E5-2640 Technical Specifications

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

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.

Xeon E5-2640

The Xeon E5-2640 is manufactured by Intel. It was released in 6 March 2012 (13 years ago). It is based on the Sandy Bridge-EP (2012) architecture. It features 6 cores and 12 threads. Base frequency is 2.5 GHz, with boost up to 3 GHz. L3 cache: 15360 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 6,305 points. Launch price was $162.

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Processing Power

Both the Xeon E5-1428L and Xeon E5-2640 share an identical 6-core/12-thread configuration. Boost clocks reach 1.8 GHz on the Xeon E5-1428L versus 3 GHz on the Xeon E5-2640 — a 50% clock advantage for the Xeon E5-2640 (base: 1.8 GHz vs 2.5 GHz). The Xeon E5-1428L uses the Sandy Bridge-EN (2012) architecture (32 nm), while the Xeon E5-2640 uses Sandy Bridge-EP (2012) (32 nm). In PassMark, the Xeon E5-1428L scores 6,255 against the Xeon E5-2640's 6,305 — a 0.8% lead for the Xeon E5-2640. Both processors carry 15360 kB (total) of L3 cache.

Feature	Xeon E5-1428L	Xeon E5-2640
Cores / Threads	6 / 12	6 / 12
Boost Clock	1.8 GHz	3 GHz+67%
Base Clock	1.8 GHz	2.5 GHz+39%
L3 Cache	15360 kB (total)	15360 kB (total)
L2 Cache	256 kB (per core)	256 kB (per core)
Process	32 nm	32 nm
Architecture	Sandy Bridge-EN (2012)	Sandy Bridge-EP (2012)
PassMark	6,255	6,305

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Memory & Platform

The Xeon E5-1428L uses the LGA1356 socket (PCIe 2.0), while the Xeon E5-2640 uses LGA2011 (PCIe 5.0) — making them incompatible on the same motherboard.

Feature	Xeon E5-1428L	Xeon E5-2640
Socket	LGA1356	LGA2011
PCIe Generation	PCIe 2.0	PCIe 5.0+150%
Max RAM Speed	—	DDR3-1333
Max RAM Capacity	—	384 GB
RAM Channels	—	4
ECC Support	—	Yes
PCIe Lanes	—	40

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Advanced Features

Virtualization: not specified (Xeon E5-1428L) / VT-x, VT-d (Xeon E5-2640). Primary use case: Xeon E5-2640 targets Server.

Feature	Xeon E5-1428L	Xeon E5-2640
Integrated GPU	—	No
Unlocked	—	No
AVX-512	—	No
Virtualization	—	VT-x, VT-d
Target Use	—	Server

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Value Analysis

At launch, the Xeon E5-1428L was priced at $480, while the Xeon E5-2640 came in at $885. On launch pricing ($480 vs $885), Xeon E5-1428L was $405 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon E5-1428L delivers 13.0 pts/$ vs 7.1 pts/$ for the Xeon E5-2640 — making the Xeon E5-1428L the 58.6% better value option.

Feature	Xeon E5-1428L	Xeon E5-2640
MSRP	$480-46%	$885
Performance per Dollar	13.0+83%	7.1
Release Date	2012	2012

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