Core i5-2400 vs Xeon E3-1225

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.

Core i5-2400 vs Xeon E3-1225 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.

Core i5-2400 vs Xeon E3-1225: Pros, Cons & Final Verdict

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

Core i5-2400

2011

Why buy it

✅Costs $40 less on MSRP ($184 MSRP vs $224 MSRP).
✅Delivers 20.7% more PassMark for each dollar spent, at 21.0 vs 17.4 PassMark/$ ($184 MSRP vs $224 MSRP).
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with HD Graphics 2000, while Xeon E3-1225 needs a discrete GPU.
✅Includes a boxed cooler (Yes), unlike Xeon E3-1225.

Trade-offs

❌Lower PassMark (3,870 vs 3,903).

Xeon E3-1225

2011

Why buy it

✅+0.9% higher PassMark.

Trade-offs

❌Lower PassMark per dollar, at 17.4 vs 21.0 PassMark/$ ($224 MSRP vs $184 MSRP).
❌No integrated graphics, while Core i5-2400 can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike Core i5-2400.

Quick Answers

So, is Xeon E3-1225 better than Core i5-2400?

Not really, because they are built for different jobs. Xeon E3-1225 makes more sense for workstation-style multi-core throughput, while Core i5-2400 is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

For gaming, this matchup is basically a tie in the data we have.

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

For streaming, content creation, and heavier multitasking, Xeon E3-1225 is the stronger fit. You are getting 0.9% better PassMark, backed by 4 cores and 4 threads.

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

Xeon E3-1225 is still the much better call for a fresh build. Xeon E3-1225 comes in 21.7% more expensive on MSRP at $224 MSRP versus $184 MSRP, and it still gives you a 0.6% average FPS lead across 50 shared CPU game tests in our data. Core i5-2400 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2011 platform. Even with 20.7% better value on paper (21.0 vs 17.4 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA1155.

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

Xeon E3-1225 makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 4 cores / 4 threads instead of 4/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i5-2400 vs Xeon E3-1225 Technical Specifications

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

Core i5-2400

The Core i5-2400 is manufactured by Intel. It was released in 9 January 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.4 GHz. L3 cache: 6144 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 3,870 points. Launch price was $60.

Xeon E3-1225

The Xeon E3-1225 is manufactured by Intel. It was released in 3 April 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.4 GHz. L3 cache: 6 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 3,903 points. Launch price was $150.

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Processing Power

Both the Core i5-2400 and Xeon E3-1225 share an identical 4-core/4-thread configuration. Boost clocks reach 3.4 GHz on the Core i5-2400 versus 3.4 GHz on the Xeon E3-1225 — identical boost frequencies (base: 3.1 GHz vs 3.1 GHz). Both are built on the Sandy Bridge (2011−2013) architecture using a 32 nm process. In PassMark, the Core i5-2400 scores 3,870 against the Xeon E3-1225's 3,903 — a 0.8% lead for the Xeon E3-1225. L3 cache: 6144 kB (total) on the Core i5-2400 vs 6 MB (total) on the Xeon E3-1225.

Feature	Core i5-2400	Xeon E3-1225
Cores / Threads	4 / 4	4 / 4
Boost Clock	3.4 GHz	3.4 GHz
Base Clock	3.1 GHz	3.1 GHz
L3 Cache	6144 kB (total)	6 MB (total)
L2 Cache	256 kB (per core)	256 kB (per core)
Process	32 nm	32 nm
Architecture	Sandy Bridge (2011−2013)	Sandy Bridge (2011−2013)
PassMark	3,870	3,903
Geekbench 6 Single	595	—

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Memory & Platform

Both processors use the LGA1155 socket with PCIe 2.0.

Feature	Core i5-2400	Xeon E3-1225
Socket	LGA1155	LGA1155
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	DDR3-1333	—
Max RAM Capacity	32 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—

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Advanced Features

Virtualization: VT-x, VT-d, EPT (Core i5-2400) / not specified (Xeon E3-1225). The Core i5-2400 includes integrated graphics (HD Graphics 2000), while the Xeon E3-1225 requires a dedicated GPU. Primary use case: Core i5-2400 targets Legacy Desktop. Direct competitor: Core i5-2400 rivals Phenom II X4 975.

Feature	Core i5-2400	Xeon E3-1225
Integrated GPU	Yes	—
IGPU Model	HD Graphics 2000	—
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x, VT-d, EPT	—
Target Use	Legacy Desktop	—

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Value Analysis

At launch, the Core i5-2400 was priced at $184, while the Xeon E3-1225 came in at $224. On launch pricing ($184 vs $224), Core i5-2400 was $40 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-2400 delivers 21.0 pts/$ vs 17.4 pts/$ for the Xeon E3-1225 — making the Core i5-2400 the 18.8% better value option.

Feature	Core i5-2400	Xeon E3-1225
MSRP	$184-18%	$224
Performance per Dollar	21.0+21%	17.4
Release Date	2011	2011

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