Xeon E3-1271 v3 vs Xeon E5-2450

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 E3-1271 v3 vs Xeon E5-2450 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 E3-1271 v3 vs Xeon E5-2450: Pros, Cons & Final Verdict

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

Xeon E3-1271 v3

2014

Why buy it

✅Draws 80W instead of 95W, a 15W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5-2450 across 50 shared CPU benchmark tests.
❌Lower PassMark (7,504 vs 7,534).
❌Smaller total L3 cache (8 MB vs 20 MB).
❌
4.8% HIGHER MSRP
$727 MSRPvs$694 MSRP

Xeon E5-2450

2012

Why buy it

✅Better for gaming: +3.5% higher average FPS across 50 shared CPU benchmark tests.
✅+150% larger total L3 cache (20 MB vs 8 MB).
✅Costs $33 less on MSRP ($694 MSRP vs $727 MSRP).

Trade-offs

❌18.8% higher power demand at 95W vs 80W.

Quick Answers

So, is Xeon E5-2450 better than Xeon E3-1271 v3?

Yes. Xeon E5-2450 is the better all-around CPU here. It gives you a 3.5% average FPS lead across 50 shared CPU game tests in our data and 0.4% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Xeon E5-2450 is the better pick. According to our tests, it delivers 3.5% 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 E5-2450 is the stronger fit. You are getting 0.4% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 150% larger total L3 cache (20 MB vs 8 MB).

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

Xeon E5-2450 is the better buy right now. Xeon E5-2450 comes in $33 cheaper on MSRP at $694 MSRP versus $727 MSRP, and it still gives you a 3.5% average FPS lead across 50 shared CPU game tests in our data. It is also 5.2% better value on MSRP (10.9 vs 10.3 PassMark/$), 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 E3-1271 v3 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2014 vs 2012). That makes it the safer long-term bet.

Xeon E3-1271 v3 vs Xeon E5-2450 Technical Specifications

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

Xeon E3-1271 v3

The Xeon E3-1271 v3 is manufactured by Intel. It was released in 2015-01-01. It features 4 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4 GHz. L3 cache: 8 MB Intel® Smart Cache. Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 80 Watt. Memory support: DDR3L-1333, DDR3L-1600. Passmark benchmark score: 7,504 points. Launch price was $800.

Xeon E5-2450

The Xeon E5-2450 is manufactured by Intel. It was released in 14 May 2012 (13 years ago). It is based on the Sandy Bridge-EN (2012) architecture. It features 8 cores and 16 threads. Base frequency is 2.1 GHz, with boost up to 2.9 GHz. L3 cache: 20480 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1356. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 7,534 points. Launch price was $500.

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Processing Power

The Xeon E3-1271 v3 packs 4 cores / 8 threads, while the Xeon E5-2450 offers 8 cores / 16 threads — the Xeon E5-2450 has 4 more cores. Boost clocks reach 4 GHz on the Xeon E3-1271 v3 versus 2.9 GHz on the Xeon E5-2450 — a 31.9% clock advantage for the Xeon E3-1271 v3 (base: 3.6 GHz vs 2.1 GHz). The Xeon E5-2450 is built on the Sandy Bridge-EN (2012) architecture. In PassMark, the Xeon E3-1271 v3 scores 7,504 against the Xeon E5-2450's 7,534 — a 0.4% lead for the Xeon E5-2450. L3 cache: 8 MB Intel® Smart Cache on the Xeon E3-1271 v3 vs 20480 kB (total) on the Xeon E5-2450.

Feature	Xeon E3-1271 v3	Xeon E5-2450
Cores / Threads	4 / 8	8 / 16+100%
Boost Clock	4 GHz+38%	2.9 GHz
Base Clock	3.6 GHz+71%	2.1 GHz
L3 Cache	8 MB Intel® Smart Cache	20480 kB (total)+150%
L2 Cache	—	256 kB (per core)
Process	22 nm-31%	32 nm
Architecture	—	Sandy Bridge-EN (2012)
PassMark	7,504	7,534
Geekbench 6 Single	1,308	—
Geekbench 6 Multi	4,328	—

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Memory & Platform

The Xeon E3-1271 v3 uses the LGA1150 socket (PCIe 3.0), while the Xeon E5-2450 uses LGA1356 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Xeon E3-1271 v3	Xeon E5-2450
Socket	LGA1150	LGA1356
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR3-1600	—
Max RAM Capacity	32 GB	—
RAM Channels	2	—
ECC Support	Yes	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x, VT-d, EPT (Xeon E3-1271 v3) / not specified (Xeon E5-2450). Primary use case: Xeon E3-1271 v3 targets Server. Direct competitor: Xeon E3-1271 v3 rivals Core i7-4770.

Feature	Xeon E3-1271 v3	Xeon E5-2450
Integrated GPU	No	—
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x, VT-d, EPT	—
Target Use	Server	—

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Value Analysis

At launch, the Xeon E3-1271 v3 was priced at $727, while the Xeon E5-2450 came in at $694. On launch pricing ($727 vs $694), Xeon E5-2450 was $33 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon E3-1271 v3 delivers 10.3 pts/$ vs 10.9 pts/$ for the Xeon E5-2450 — making the Xeon E5-2450 the 5% better value option.

Feature	Xeon E3-1271 v3	Xeon E5-2450
MSRP	$727	$694-5%
Performance per Dollar	10.3	10.9+6%
Release Date	2014	2012

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