Intel Xeon E5-2660 V3 10-core LGA 2011-3

The Xeon E5-2660 V3 delivers 13,027 multi-thread PassMark for around 82 USD, which is a fantastic deal for parallel workloads. Single-thread performance is mediocre at 1,803, and the platform is aging, but for homelab and server use, this chip is a budget champion.

The multi-thread PassMark score of 13,027 is the number that matters here. That's well above average for our database, and it translates to real capability in workloads that can actually use all 10 cores and 20 threads. Virtualization, media transcoding, software compilation, and database operations are where this chip earns its keep. The 2.6GHz base clock isn't exciting, but the 3.3GHz boost gives you a little headroom when a single core needs to sprint.

Single-thread performance is the weak spot. At 1,803 PassMark, this Xeon falls behind most modern desktop chips, and even some budget options from the last few years will outpace it in tasks that lean on one core. The 25MB L3 cache helps with latency-sensitive workloads, and the 2.5MB of L2 is adequate for the era, but don't expect this to feel responsive in single-threaded applications. The DDR4 memory support is a nice touch, though the platform caps out at 2133MHz, which is slow by today's standards. If you're running a multi-socket server with heavy memory traffic, the 9.6 GT/s QPI interconnect keeps things moving, but this is not a chip for gaming or single-threaded productivity.

Stacked against the AMD Ryzen 5 9600X, this Xeon looks ancient. The Ryzen 5 has far better single-thread performance and modern platform features, but it also costs significantly more and targets a completely different market. The Dell Xeon E5-2637 V2 is a closer comparison, being another used server chip, but it has fewer cores and a lower multi-thread ceiling. The ADVB3 Phenom II X6 is a six-core desktop part from an even older era, and it gets crushed by the E5-2660 V3 in multi-threaded workloads despite being in a similar price bracket. The be quiet! Ryzen 3 Dark Rock Pro 5 is a cooler, not a CPU, so that's not a fair fight. The DAKboard CPU v4 is a niche embedded part that doesn't compete on raw compute. For pure multi-threaded throughput per dollar, this Xeon holds its own against everything in its price range.

At 82 USD on the US used market, this chip is a steal for what it offers. You're getting 10 cores, 20 threads, and ECC memory support for less than the cost of a decent dinner for two. The value proposition gets even better if you can find a cheap LGA 2011-3 motherboard to pair it with, though those are getting harder to come by. The affordability ranking sits in the 84th percentile, which means this is one of the better deals in our database when you look at raw compute per dollar. Just remember that the platform costs add up: you'll need DDR4 ECC RAM, a compatible board, and a cooler that can handle 105W. If you're outside the US, the price varies, with listings at 115 CAD, 506 BRL, and 14,503 JPY, so the value equation shifts depending on where you're shopping.

The Intel Xeon E5-2660 V3 (SR1XR) is a 10-core, 20-thread server chip that still has some life left in it, especially if you're building a budget homelab or a cheap virtualization box. The headline numbers: 13,027 multi-thread PassMark and 1,803 single-thread. That multi-core score lands in the 65th percentile of our database, which is solid for a chip you can grab for around 82 USD on the used market. The single-thread score is a different story, sitting at the 45th percentile, which means everyday desktop tasks won't feel snappy by modern standards.

This is a Haswell-EP era Xeon, so you're getting DDR4 support, ECC memory compatibility, and a 105W TDP that's manageable for a 10-core part. The 25MB of L3 cache helps with data-heavy workloads, and the 9.6 GT/s QPI link keeps multi-socket configurations from choking. But let's be real: this is a 2014-era chip, and the feature set reflects that. No integrated graphics, no modern instruction set extensions, and the platform is aging. Still, for the right use case, it's a lot of parallel processing power for not much money.

If you're building a gaming PC or a general-purpose desktop, look elsewhere. The single-thread PassMark of 1,803 is mediocre, and the gaming score of 24 out of 100 in our database puts this chip near the bottom for that use case. The lack of integrated graphics means you'll need a dedicated GPU just to get a display output, and the aging LGA 2011-3 platform means you're investing in dead-end hardware. If you need snappy everyday performance or modern features like PCIe 4.0, this chip will frustrate you. It's a server part, and it behaves like one.

If you need cheap parallel processing power for a homelab, a virtualization server, or a budget workstation, the Xeon E5-2660 V3 is a solid buy at 82 USD. The 13,027 multi-thread PassMark score means it can handle real workloads, and the ECC memory support is a bonus for anyone running a NAS or a server that needs data integrity. Just don't expect it to feel fast in single-threaded tasks, and be prepared for the quirks of an aging platform. The memory speed cap at 2133MHz is annoying, and the lack of modern features means this chip is best suited for people who know exactly what they're getting into. For the price, it's hard to argue with 10 cores and 20 threads.