Xeon E5-2620 v2 vs Xeon E5-2640

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 E5-2620 v2 vs Xeon E5-2640 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 E5-2620 v2 vs Xeon E5-2640: Pros, Cons & Final Verdict

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

Xeon E5-2620 v2

2013

Why buy it

✅Draws 80W instead of 95W, a 15W reduction.

Trade-offs

❌Lower PassMark (6,251 vs 6,305).

Xeon E5-2640

2012

Why buy it

✅100+% more PCIe lanes (40 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $885 MSRP, while Xeon E5-2620 v2 mostly shows up through inconsistent older-market listings.
❌18.8% higher power demand at 95W vs 80W.

Quick Answers

So, is Xeon E5-2640 better than Xeon E5-2620 v2?

Yes. Xeon E5-2640 is the better all-around CPU here. It gives you a 2.7% average FPS lead across 50 shared CPU game tests in our data and 0.9% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Xeon E5-2640 is the better pick. According to our tests, it delivers 2.7% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Xeon E5-2640 is the stronger fit. You are getting 0.9% better PassMark, backed by 6 cores and 12 threads.

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

Xeon E5-2640 is the better buy right now. Xeon E5-2640 comes in at an unclear MSRP at $885 MSRP versus unclear MSRP, and it still gives you a 2.7% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (7.1 vs 0.0 PassMark/$), 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 E5-2620 v2 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2012). That makes it the safer long-term bet.

Xeon E5-2620 v2 vs Xeon E5-2640 Technical Specifications

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

Xeon E5-2620 v2

The Xeon E5-2620 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 2.1 GHz, with boost up to 2.6 GHz. L3 cache: 15 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 6,251 points. Launch price was $417.

Xeon E5-2640

The Xeon E5-2640 is manufactured by Intel. It was released in 6 March 2012 (13 years ago). It is based on the Sandy Bridge-EP (2012) architecture. It features 6 cores and 12 threads. Base frequency is 2.5 GHz, with boost up to 3 GHz. L3 cache: 15360 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 6,305 points. Launch price was $162.

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Processing Power

Both the Xeon E5-2620 v2 and Xeon E5-2640 share an identical 6-core/12-thread configuration. Boost clocks reach 2.6 GHz on the Xeon E5-2620 v2 versus 3 GHz on the Xeon E5-2640 — a 14.3% clock advantage for the Xeon E5-2640 (base: 2.1 GHz vs 2.5 GHz). The Xeon E5-2620 v2 uses the Ivy Bridge-EP (2013) architecture (22 nm), while the Xeon E5-2640 uses Sandy Bridge-EP (2012) (32 nm). In PassMark, the Xeon E5-2620 v2 scores 6,251 against the Xeon E5-2640's 6,305 — a 0.9% lead for the Xeon E5-2640. L3 cache: 15 MB (total) on the Xeon E5-2620 v2 vs 15360 kB (total) on the Xeon E5-2640.

Feature	Xeon E5-2620 v2	Xeon E5-2640
Cores / Threads	6 / 12	6 / 12
Boost Clock	2.6 GHz	3 GHz+15%
Base Clock	2.1 GHz	2.5 GHz+19%
L3 Cache	15 MB (total)	15360 kB (total)
L2 Cache	256 kB (per core)	256 kB (per core)
Process	22 nm-31%	32 nm
Architecture	Ivy Bridge-EP (2013)	Sandy Bridge-EP (2012)
PassMark	6,251	6,305

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Memory & Platform

Both processors use the LGA2011 socket with PCIe 3.0.

Feature	Xeon E5-2620 v2	Xeon E5-2640
Socket	LGA2011	LGA2011
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	—	DDR3-1333
Max RAM Capacity	—	384 GB
RAM Channels	—	4
ECC Support	—	Yes
PCIe Lanes	—	40