Intel Xeon E5-2640 v2 8-core LGA 2011

The E5-2640 v2 scores 7640 in PassMark multi-core, which is solidly average for a server chip. But its 1266 single-thread score is a real letdown, and the 1st percentile social proof means almost nobody has vouched for this thing. Buy it only as a cheap USD 65 drop-in for an existing PowerEdge T620.

The multi-thread story is the only bright spot here. 7640 in PassMark means this chip can chew through heavily parallelized tasks like virtualization, file serving, or batch processing without embarrassing itself. It's middle of the pack in our database, which for a 2013 part is honestly better than expected. The 20MB of L3 cache helps keep those 8 cores fed when you're running multiple VMs.

But single-thread performance is rough. 1266 is a weak spot, plain and simple. Anything that depends on one fast core, think web apps, older game servers, or even just a responsive management console, will feel sluggish. The 2.0GHz base clock is the culprit. The 2.5GHz boost barely moves the needle. And you're stuck with DDR3 memory, which caps bandwidth and adds latency compared to anything from the last eight years.

Against the AMD Ryzen 5 9600X, this Xeon gets absolutely demolished. The Ryzen 5 is a modern 6-core part that will crush the E5-2640 v2 in single-thread and likely match or beat it in multi-thread while sipping power. The Dell Xeon E5-2637 V2 is a closer sibling, but that one trades cores for clock speed, so it'll feel snappier in single-threaded tasks while losing the multi-core battle. The PC Server and Parts E5-2697 v2-cr is the interesting alternative: same Ivy Bridge EP generation but with more cores, making it a better choice if you need maximum parallel throughput on the same LGA 2011 platform. The be quiet! Ryzen 3 Dark Rock Pro 5 and DAKboard CPU v4 aren't really direct competitors, they're just other products in our database with similar category tags.

Pricing is all over the place. In the US, you'll see listings from USD 65 to USD 150 across three vendors. That's an USD 85 spread for what is essentially the same refurbished chip. The cheapest US listing is the obvious pick if you're just trying to keep an old PowerEdge T620 alive. In Europe, EUR prices range from EUR 134 to EUR 149, with the lowest EUR listing being the best deal there. The affordability score sits at the 86th percentile, which sounds great until you remember you're buying a 2013 processor with no warranty beyond whatever the refurbisher offers. Cheap, yes. A good value, only if your server is already sitting there waiting for it.

The Intel Xeon E5-2640 v2 is a 2013-era server chip that still shows up in refurbished Dell PowerEdge T620 kits. Its PassMark multi-core score of 7640 puts it right around the 55th percentile in our database, which sounds okay until you realize that's against a field full of decade-old silicon. The single-thread score of 1266 lands at the 26th percentile, and that tells the real story: this thing is built for parallel server workloads, not snappy everyday computing.

You get 8 cores and 16 threads at a 2.0GHz base clock with a 2.5GHz boost, plus 20MB of L3 cache. The 95W TDP is reasonable for the era. But the platform is DDR3-only, the socket is the long-dead LGA 2011, and the social proof score sits at the 1st percentile. One customer review, one star. That's not a typo.

Skip this if you need any kind of interactive performance. The 26th percentile single-thread score means even basic tasks like opening a browser or running a management console will feel sluggish. Skip it if you don't already own an LGA 2011 motherboard and DDR3 ECC memory, because building a system around this chip from scratch is throwing money into a dead platform. And skip it if you're hoping for community support or reliable refurbisher feedback, the 1st percentile social proof is a red flag.

The E5-2640 v2 makes sense in exactly one scenario: you have a Dell PowerEdge T620 with a dead or weaker CPU and you need the cheapest possible drop-in replacement. At USD 65, it's a reasonable way to keep a homelab or small office server running. But if you're building anything new, or if you need any kind of single-thread responsiveness, look elsewhere. The 26th percentile single-thread score will frustrate you daily. The 1st percentile social proof should make you pause before buying from a sketchy refurbisher.