Xeon E5-2643 v4 vs Xeon E5-4650 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 E5-2643 v4 vs Xeon E5-4650 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 E5-2643 v4 vs Xeon E5-4650 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 E5-2643 v4

2016

Why buy it

✅+0.7% higher PassMark.
✅Costs $171 less on MSRP ($1,552 MSRP vs $1,723 MSRP).
✅Delivers 11.8% more PassMark for each dollar spent, at 7.1 vs 6.4 PassMark/$ ($1,552 MSRP vs $1,723 MSRP).

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5-4650 v2 across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (20 MB vs 25 MB).
❌42.1% higher power demand at 135W vs 95W.

Xeon E5-4650 v2

2014

Why buy it

✅Better for gaming: +4.9% higher average FPS across 50 shared CPU benchmark tests.
✅+25% larger total L3 cache (25 MB vs 20 MB).
✅Draws 95W instead of 135W, a 40W reduction.

Trade-offs

❌Lower PassMark (10,946 vs 11,024).
❌Lower PassMark per dollar, at 6.4 vs 7.1 PassMark/$ ($1,723 MSRP vs $1,552 MSRP).

Quick Answers

So, is Xeon E5-2643 v4 better than Xeon E5-4650 v2?

It depends on what you want from the system. For gaming, Xeon E5-4650 v2 is ahead with a 4.9% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon E5-2643 v4 pulls ahead with 0.7% better PassMark. Xeon E5-4650 v2 also has the bigger cache pool with 25% larger total L3 cache (25 MB vs 20 MB).

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

For streaming, content creation, and heavier multitasking, Xeon E5-2643 v4 is the stronger fit. You are getting 0.7% better PassMark, backed by 6 cores and 12 threads.

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

Xeon E5-2643 v4 is the better buy right now. Xeon E5-2643 v4 comes in $171 cheaper on MSRP at $1,552 MSRP versus $1,723 MSRP, and it still gives you 0.7% better PassMark. The compromise is that Xeon E5-4650 v2 is still the better pure gaming CPU with a 4.9% average FPS lead across 50 shared CPU game tests in our data. It is also 11.8% better value on MSRP (7.1 vs 6.4 PassMark/$), 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 E5-2643 v4 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2016 vs 2014) and more multi-core headroom with 6 cores / 12 threads instead of 10/20. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon E5-2643 v4 vs Xeon E5-4650 v2 Technical Specifications

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

Xeon E5-2643 v4

The Xeon E5-2643 v4 is manufactured by Intel. It was released in 20 June 2016 (9 years ago). It is based on the Broadwell (2015−2019) architecture. It features 6 cores and 12 threads. Base frequency is 3.4 GHz, with boost up to 3.7 GHz. L3 cache: 20 MB. L2 cache: 1.5 MB. Built on 14 nm process technology. Socket: LGA2011. Thermal design power (TDP): 135 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400. Passmark benchmark score: 11,024 points. Launch price was $1,552.

Xeon E5-4650 v2

The Xeon E5-4650 v2 is manufactured by Intel. It was released in 2015-01-01. It features 10 cores and 20 threads. Base frequency is 2.4 GHz, with boost up to 2.9 GHz. L3 cache: 25 MB Intel® Smart Cache. Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 95 Watt. Memory support: DDR3-800, DDR3-1066, DDR3-1333, DDR3-1600, DDR3-1866. Passmark benchmark score: 10,946 points. Launch price was $800.

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Processing Power

The Xeon E5-2643 v4 packs 6 cores / 12 threads, while the Xeon E5-4650 v2 offers 10 cores / 20 threads — the Xeon E5-4650 v2 has 4 more cores. Boost clocks reach 3.7 GHz on the Xeon E5-2643 v4 versus 2.9 GHz on the Xeon E5-4650 v2 — a 24.2% clock advantage for the Xeon E5-2643 v4 (base: 3.4 GHz vs 2.4 GHz). The Xeon E5-2643 v4 is built on the Broadwell (2015−2019) architecture. In PassMark, the Xeon E5-2643 v4 scores 11,024 against the Xeon E5-4650 v2's 10,946 — a 0.7% lead for the Xeon E5-2643 v4. L3 cache: 20 MB on the Xeon E5-2643 v4 vs 25 MB Intel® Smart Cache on the Xeon E5-4650 v2.

Feature	Xeon E5-2643 v4	Xeon E5-4650 v2
Cores / Threads	6 / 12	10 / 20+67%
Boost Clock	3.7 GHz+28%	2.9 GHz
Base Clock	3.4 GHz+42%	2.4 GHz
L3 Cache	20 MB	25 MB Intel® Smart Cache+25%
L2 Cache	1.5 MB	—
Process	14 nm-36%	22 nm
Architecture	Broadwell (2015−2019)	—
PassMark	11,024	10,946

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Memory & Platform

Both processors use the LGA2011 socket with PCIe 5.0.

Feature	Xeon E5-2643 v4	Xeon E5-4650 v2
Socket	LGA2011	LGA2011
PCIe Generation	PCIe 5.0	PCIe 5.0

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Value Analysis

At launch, the Xeon E5-2643 v4 was priced at $1552, while the Xeon E5-4650 v2 came in at $1723. On launch pricing ($1552 vs $1723), Xeon E5-2643 v4 was $171 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon E5-2643 v4 delivers 7.1 pts/$ vs 6.4 pts/$ for the Xeon E5-4650 v2 — making the Xeon E5-2643 v4 the 11.2% better value option.

Feature	Xeon E5-2643 v4	Xeon E5-4650 v2
MSRP	$1552-10%	$1723
Performance per Dollar	7.1+11%	6.4
Release Date	2016	2014

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