Xeon E5-2450 v2 vs Xeon E5-2643 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 E5-2450 v2 vs Xeon E5-2643 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 E5-2450 v2 vs Xeon E5-2643 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 E5-2450 v2

2013

Why buy it

✅Better for gaming: +3.1% higher average FPS across 50 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (20 MB vs 15 MB).
✅Draws 95W instead of 130W, a 35W reduction.

Trade-offs

❌Lower PassMark (9,057 vs 9,172).

Xeon E5-2643 v2

2013

Why buy it

✅+1.3% higher PassMark.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5-2450 v2 across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (15 MB vs 20 MB).
❌36.8% higher power demand at 130W vs 95W.

Quick Answers

So, is Xeon E5-2450 v2 better than Xeon E5-2643 v2?

It depends on what you want from the system. For gaming, Xeon E5-2450 v2 is ahead with a 3.1% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon E5-2643 v2 pulls ahead with 1.3% better PassMark. Xeon E5-2450 v2 also has the bigger cache pool with 33.3% larger total L3 cache (20 MB vs 15 MB).

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

For streaming, content creation, and heavier multitasking, Xeon E5-2643 v2 is the stronger fit. You are getting 1.3% better PassMark, backed by 6 cores and 12 threads.

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

Xeon E5-2450 v2 still makes the most sense overall. Xeon E5-2450 v2 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 3.1% average FPS lead across 50 shared CPU game tests in our data.

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

Xeon E5-2643 v2 is the safer long-term CPU choice because it gives you more room to grow and a better platform outlook.

Xeon E5-2450 v2 vs Xeon E5-2643 v2 Technical Specifications

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

Xeon E5-2450 v2

The Xeon E5-2450 v2 is manufactured by Intel. It was released in 2015-01-01. It is based on the Ivy Bridge-EN (2013−2014) architecture. It features 8 cores and 16 threads. Base frequency is 2.5 GHz, with boost up to 3.3 GHz. L3 cache: 20 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1356. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 9,057 points. Launch price was $800.

Xeon E5-2643 v2

The Xeon E5-2643 v2 is manufactured by Intel. It was released in 1 September 2013 (12 years ago). It is based on the Ivy Bridge-EP (2013) architecture. It features 6 cores and 12 threads. Base frequency is 3.5 GHz, with boost up to 3.8 GHz. L3 cache: 15 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 9,172 points. Launch price was $2,200.

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Processing Power

The Xeon E5-2450 v2 packs 8 cores / 16 threads, while the Xeon E5-2643 v2 offers 6 cores / 12 threads — the Xeon E5-2450 v2 has 2 more cores. Boost clocks reach 3.3 GHz on the Xeon E5-2450 v2 versus 3.8 GHz on the Xeon E5-2643 v2 — a 14.1% clock advantage for the Xeon E5-2643 v2 (base: 2.5 GHz vs 3.5 GHz). The Xeon E5-2450 v2 uses the Ivy Bridge-EN (2013−2014) architecture (22 nm), while the Xeon E5-2643 v2 uses Ivy Bridge-EP (2013) (22 nm). In PassMark, the Xeon E5-2450 v2 scores 9,057 against the Xeon E5-2643 v2's 9,172 — a 1.3% lead for the Xeon E5-2643 v2. L3 cache: 20 MB (total) on the Xeon E5-2450 v2 vs 15 MB (total) on the Xeon E5-2643 v2.

Feature	Xeon E5-2450 v2	Xeon E5-2643 v2
Cores / Threads	8 / 16+33%	6 / 12
Boost Clock	3.3 GHz	3.8 GHz+15%
Base Clock	2.5 GHz	3.5 GHz+40%
L3 Cache	20 MB (total)+33%	15 MB (total)
L2 Cache	256 kB (per core)	256 kB (per core)
Process	22 nm	22 nm
Architecture	Ivy Bridge-EN (2013−2014)	Ivy Bridge-EP (2013)
PassMark	9,057	9,172+1%

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Memory & Platform

The Xeon E5-2450 v2 uses the LGA1356 socket (PCIe 3.0), while the Xeon E5-2643 v2 uses LGA2011 (PCIe 5.0) — making them incompatible on the same motherboard.