Xeon E3-1280 v2 vs Xeon E5-2623 v3

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 E3-1280 v2 vs Xeon E5-2623 v3 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 E3-1280 v2 vs Xeon E5-2623 v3: Pros, Cons & Final Verdict

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

Xeon E3-1280 v2

2012

Why buy it

✅Costs $129 less on MSRP ($315 MSRP vs $444 MSRP).
✅Delivers 40.3% more PassMark for each dollar spent, at 21.0 vs 15.0 PassMark/$ ($315 MSRP vs $444 MSRP).
✅Draws 69W instead of 105W, a 36W reduction.

Trade-offs

❌Lower PassMark (6,619 vs 6,652).
❌Smaller total L3 cache (8 MB vs 10 MB).

Xeon E5-2623 v3

2014

Why buy it

✅+0.5% higher PassMark.
✅+25% larger total L3 cache (10 MB vs 8 MB).
✅100+% more PCIe lanes (40 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark per dollar, at 15.0 vs 21.0 PassMark/$ ($444 MSRP vs $315 MSRP).
❌52.2% higher power demand at 105W vs 69W.

Quick Answers

So, is Xeon E3-1280 v2 better than Xeon E5-2623 v3?

It depends on what you want from the system. For gaming, Xeon E3-1280 v2 is ahead with a 2.2% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon E5-2623 v3 pulls ahead with 0.5% better PassMark. Xeon E5-2623 v3 also has the bigger cache pool with 25% larger total L3 cache (10 MB vs 8 MB).

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

For streaming, content creation, and heavier multitasking, Xeon E5-2623 v3 is the stronger fit. You are getting 0.5% better PassMark, backed by 4 cores and 8 threads. It also has the larger cache pool with 25% larger total L3 cache (10 MB vs 8 MB).

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 $129 cheaper on MSRP at $315 MSRP versus $444 MSRP, and it still gives you a 2.2% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon E5-2623 v3 is still stronger for heavier multi-core work with 0.5% better PassMark. It is also 40.3% better value on MSRP (21.0 vs 15.0 PassMark/$), 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 E5-2623 v3 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2014 vs 2012), 25% larger total L3 cache (10 MB vs 8 MB), and 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 E3-1280 v2 vs Xeon E5-2623 v3 Technical Specifications

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

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.

Xeon E5-2623 v3

The Xeon E5-2623 v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 4 cores and 8 threads. Base frequency is 3 GHz, with boost up to 3.5 GHz. L3 cache: 10 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 105 Watt. Memory support: DDR4-1600, DDR4-1866. Passmark benchmark score: 6,652 points. Launch price was $800.

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Processing Power

Both the Xeon E3-1280 v2 and Xeon E5-2623 v3 share an identical 4-core/8-thread configuration. Boost clocks reach 4 GHz on the Xeon E3-1280 v2 versus 3.5 GHz on the Xeon E5-2623 v3 — a 13.3% clock advantage for the Xeon E3-1280 v2 (base: 3.6 GHz vs 3 GHz). The Xeon E3-1280 v2 uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Xeon E5-2623 v3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Xeon E3-1280 v2 scores 6,619 against the Xeon E5-2623 v3's 6,652 — a 0.5% lead for the Xeon E5-2623 v3. L3 cache: 8 MB (total) on the Xeon E3-1280 v2 vs 10 MB (total) on the Xeon E5-2623 v3.

Feature	Xeon E3-1280 v2	Xeon E5-2623 v3
Cores / Threads	4 / 8	4 / 8
Boost Clock	4 GHz+14%	3.5 GHz
Base Clock	3.6 GHz+20%	3 GHz
L3 Cache	8 MB (total)	10 MB (total)+25%
L2 Cache	256 kB (per core)	256K (per core)
Process	22 nm	22 nm
Architecture	Ivy Bridge (2012−2013)	Haswell-EP (2014−2015)
PassMark	6,619	6,652
Geekbench 6 Single	—	899
Geekbench 6 Multi	—	3,683

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Memory & Platform

The Xeon E3-1280 v2 uses the LGA1155 socket (PCIe 3.0), while the Xeon E5-2623 v3 uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Xeon E3-1280 v2	Xeon E5-2623 v3
Socket	LGA1155	LGA2011
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	—	DDR4-1866
Max RAM Capacity	—	768 GB
RAM Channels	—	4
ECC Support	—	Yes
PCIe Lanes	—	40

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Advanced Features

Virtualization: not specified (Xeon E3-1280 v2) / Yes (Xeon E5-2623 v3). Primary use case: Xeon E5-2623 v3 targets Server.

Feature	Xeon E3-1280 v2	Xeon E5-2623 v3
Integrated GPU	—	No
Unlocked	—	No
AVX-512	—	No
Virtualization	—	Yes
Target Use	—	Server

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Value Analysis

At launch, the Xeon E3-1280 v2 was priced at $315, while the Xeon E5-2623 v3 came in at $444. On launch pricing ($315 vs $444), Xeon E3-1280 v2 was $129 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon E3-1280 v2 delivers 21.0 pts/$ vs 15.0 pts/$ for the Xeon E5-2623 v3 — making the Xeon E3-1280 v2 the 33.5% better value option.

Feature	Xeon E3-1280 v2	Xeon E5-2623 v3
MSRP	$315-29%	$444
Performance per Dollar	21.0+40%	15.0
Release Date	2012	2014

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