Xeon E3-1275 v2 vs Xeon E3-1280 v2

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 E3-1275 v2 vs Xeon E3-1280 v2 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 E3-1275 v2 vs Xeon E3-1280 v2: Pros, Cons & Final Verdict

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

Xeon E3-1275 v2

2012

Why buy it

✅+0.4% higher PassMark.
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel HD Graphics P4000, while Xeon E3-1280 v2 needs a discrete GPU.
✅Includes a boxed cooler (Intel Stock), unlike Xeon E3-1280 v2.

Trade-offs

❌Lower PassMark per dollar, at 15.6 vs 21.0 PassMark/$ ($426 MSRP vs $315 MSRP).

Xeon E3-1280 v2

2012

Why buy it

✅Costs $111 less on MSRP ($315 MSRP vs $426 MSRP).
✅Delivers 34.7% more PassMark for each dollar spent, at 21.0 vs 15.6 PassMark/$ ($315 MSRP vs $426 MSRP).
✅Draws 69W instead of 77W, a 8W reduction.

Trade-offs

❌Lower PassMark (6,619 vs 6,644).
❌No integrated graphics, while Xeon E3-1275 v2 can still boot and troubleshoot without a discrete GPU.
❌No boxed cooler included, unlike Xeon E3-1275 v2.

Quick Answers

So, is Xeon E3-1280 v2 better than Xeon E3-1275 v2?

It depends on what you want from the system. For gaming, Xeon E3-1280 v2 is ahead with a 0.8% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon E3-1275 v2 pulls ahead with 0.4% better PassMark.

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

For streaming, content creation, and heavier multitasking, Xeon E3-1275 v2 is the stronger fit. You are getting 0.4% better PassMark, backed by 4 cores and 8 threads.

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

Xeon E3-1280 v2 is the better buy right now. Xeon E3-1280 v2 comes in $111 cheaper on MSRP at $315 MSRP versus $426 MSRP, and it still gives you a 0.8% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon E3-1275 v2 is still stronger for heavier multi-core work with 0.4% better PassMark. It is also 34.7% better value on MSRP (21.0 vs 15.6 PassMark/$), 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 E3-1275 v2 makes more sense long term for 2026 and beyond. You are getting 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 E3-1275 v2 vs Xeon E3-1280 v2 Technical Specifications

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

Xeon E3-1275 v2

The Xeon E3-1275 v2 is manufactured by Intel. It was released in 14 May 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.5 GHz, with boost up to 3.9 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 77 Watt. Memory support: DDR3. Passmark benchmark score: 6,644 points. Launch price was $808.

Xeon E3-1280 v2

The Xeon E3-1280 v2 is manufactured by Intel. It was released in 14 May 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 69 Watt. Memory support: DDR3. Passmark benchmark score: 6,619 points. Launch price was $645.

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Processing Power

Both the Xeon E3-1275 v2 and Xeon E3-1280 v2 share an identical 4-core/8-thread configuration. Boost clocks reach 3.9 GHz on the Xeon E3-1275 v2 versus 4 GHz on the Xeon E3-1280 v2 — a 2.5% clock advantage for the Xeon E3-1280 v2 (base: 3.5 GHz vs 3.6 GHz). Both are built on the Ivy Bridge (2012−2013) architecture using a 22 nm process. In PassMark, the Xeon E3-1275 v2 scores 6,644 against the Xeon E3-1280 v2's 6,619 — a 0.4% lead for the Xeon E3-1275 v2. Both processors carry 8 MB (total) of L3 cache.

Feature	Xeon E3-1275 v2	Xeon E3-1280 v2
Cores / Threads	4 / 8	4 / 8
Boost Clock	3.9 GHz	4 GHz+3%
Base Clock	3.5 GHz	3.6 GHz+3%
L3 Cache	8 MB (total)	8 MB (total)
L2 Cache	256 kB (per core)	256 kB (per core)
Process	22 nm	22 nm
Architecture	Ivy Bridge (2012−2013)	Ivy Bridge (2012−2013)
PassMark	6,644	6,619
Geekbench 6 Single	1,000	—
Geekbench 6 Multi	4,000	—

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Memory & Platform

Both processors use the LGA1155 socket with PCIe 3.0.

Feature	Xeon E3-1275 v2	Xeon E3-1280 v2
Socket	LGA1155	LGA1155
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR3-1600	—
Max RAM Capacity	32.77 GB	—
RAM Channels	2	—
ECC Support	Yes	—
PCIe Lanes	20	—

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Advanced Features

Virtualization: VT-x, VT-d (Xeon E3-1275 v2) / not specified (Xeon E3-1280 v2). The Xeon E3-1275 v2 includes integrated graphics (Intel HD Graphics P4000), while the Xeon E3-1280 v2 requires a dedicated GPU. Primary use case: Xeon E3-1275 v2 targets Server/Workstation.

Feature	Xeon E3-1275 v2	Xeon E3-1280 v2
Integrated GPU	Yes	—
IGPU Model	Intel HD Graphics P4000	—
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x, VT-d	—
Target Use	Server/Workstation	—

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Value Analysis

At launch, the Xeon E3-1275 v2 was priced at $426, while the Xeon E3-1280 v2 came in at $315. On launch pricing ($426 vs $315), Xeon E3-1280 v2 was $111 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon E3-1275 v2 delivers 15.6 pts/$ vs 21.0 pts/$ for the Xeon E3-1280 v2 — making the Xeon E3-1280 v2 the 29.6% better value option.

Feature	Xeon E3-1275 v2	Xeon E3-1280 v2
MSRP	$426	$315-26%
Performance per Dollar	15.6	21.0+35%
Release Date	2012	2012

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