Intel Core i5-2500K vs Intel Xeon E5-1410 v2 Comparison

The Verdict

The recorded data presents a clear, if lopsided, comparison. The Intel Xeon E5-1410 v2 wins every single head-to-head benchmark in the database, taking all five tests. The Intel Core i5-2500K does not secure a single victory in any recorded metric. The Xeon's wins are not marginal; they are consistent and substantial, with the E5-1410 v2 outperforming the i5-2500K by roughly 25.5% to 25.7% across all Cinebench tests.

Given this data, the choice is straightforward based on raw performance. The Intel Xeon E5-1410 v2 is the superior processor for any workload that prioritizes compute throughput, as its multicore and singlecore scores are uniformly higher. The Intel Core i5-2500K, while a capable processor in its own right, is decisively outclassed in every benchmark we have recorded. Its only potential advantage lies in its unlocked multiplier, a feature the Xeon lacks, but the data shows no performance scenario where the i5-2500K takes the lead.

Where Each One Wins

The benchmark results show a complete sweep by the Intel Xeon E5-1410 v2, which means the "win" categories are defined by the size of its advantage rather than by which processor takes a specific test.

In single-threaded workloads, the Xeon E5-1410 v2 leads by a similar margin to its multicore results. In Cinebench R23 singlecore, the Xeon scores 668 against the i5-2500K's 497, a 25.6% advantage. This indicates that even when only one core is active, the Xeon's architecture and higher IPC (instructions per clock) allow it to pull ahead, despite having a lower base clock of 2.80 GHz compared to the i5's 3.30 GHz.

For multithreaded tasks, the Xeon's lead is also pronounced. In Cinebench R23 multicore, the Xeon scores 4732 versus the i5's 3523. This 25.5% advantage is likely attributed to the Xeon's 8 threads versus the i5's 4 threads, allowing it to process more parallel work. The Xeon also wins in every other multicore test, including Cinebench R15 (476 vs 354) and Cinebench R20 (1987 vs 1479), solidifying its position as the better choice for heavily threaded applications like rendering or server workloads.

The Intel Core i5-2500K offers no recorded wins. However, its relevance is not zero; it holds a higher base clock (3.30 GHz) and an unlocked multiplier, which could theoretically allow for overclocking. But as the data stands, with no overclocked results recorded, it loses every benchmark.

Architecture Differences

The two processors represent different Intel generations and design philosophies. The Intel Core i5-2500K is based on the Sandy Bridge architecture, built on a 32 nm process. It has 4 cores and 4 threads, with a transistor count of 1,160 million on a 216 mm² die. Its cache hierarchy includes 64 KB of L1 and 256 KB of L2 per core, with a shared 6 MB L3 cache. It supports dual-channel DDR3 memory and has a memory bandwidth of 25.6 GB/s. It includes integrated graphics (Intel HD 3000) and uses PCIe Gen 2 with 16 lanes. The CPU is designed for the Intel Socket 1155 and has an unlocked multiplier.

In contrast, the Intel Xeon E5-1410 v2 is based on the Ivy Bridge-EN architecture, built on a smaller 22 nm process. It also has 4 cores but doubles the thread count to 8 with Hyper-Threading. It packs 1,860 million transistors into a 257 mm² die. The cache is larger: while it also uses 64 KB L1 and 256 KB L2 per core, its L3 cache is 10 MB shared. The Xeon supports triple-channel DDR3 memory, boosting its memory bandwidth to 32.0 GB/s. It supports ECC memory, a critical feature for server reliability, and has no integrated graphics. It uses PCIe Gen 3 with 24 lanes. This chip is designed for the Intel Socket 1356 and has a locked multiplier.

These differences explain the performance gap. The Xeon's newer 22 nm process and larger L3 cache, combined with its 8 threads and higher memory bandwidth, give it a significant edge in both single and multi-threaded benchmarks, despite its lower clock speeds.

FAQ

Q: Which processor has a higher base clock speed?

A: The Intel Core i5-2500K has a base clock of 3.30 GHz, which is higher than the Intel Xeon E5-1410 v2's base clock of 2.80 GHz.

Q: Does the Intel Xeon E5-1410 v2 support ECC memory?

A: Yes, the Intel Xeon E5-1410 v2 supports ECC memory. The Intel Core i5-2500K does not.

Q: How do the two processors compare in single-threaded performance?

A: The Intel Xeon E5-1410 v2 wins in single-threaded tests. In Cinebench R23 singlecore, it scores 668 compared to the i5-2500K's 497, a 25.6% advantage.

Q: What is the difference in their socket types?

A: The Intel Core i5-2500K uses the Intel Socket 1155, while the Intel Xeon E5-1410 v2 uses the Intel Socket 1356. They are not interchangeable.

Q: Which processor has more threads?

A: The Intel Xeon E5-1410 v2 has 8 threads, while the Intel Core i5-2500K has 4 threads.

Q: Does the Intel Core i5-2500K have integrated graphics?

A: Yes, the Intel Core i5-2500K includes Intel HD 3000 integrated graphics. The Intel Xeon E5-1410 v2 does not have any integrated graphics.

Head-to-Head Benchmarks

The head-to-head data shows a consistent pattern of dominance for the Intel Xeon E5-1410 v2. The largest margin of victory is in Cinebench R20 singlecore, where the Xeon scores 280 against the i5's 208, a delta of -25.7%. This is the Xeon's biggest win by a tenth of a percent.

The margin is nearly identical across all other tests. In Cinebench R15 multicore, the Xeon scores 476 versus 354 for the i5, a 25.6% difference. The same 25.6% delta appears in Cinebench R20 multicore, where the Xeon's 1987 score beats the i5's 1479. In Cinebench R23 multicore, the Xeon scores 4732 versus 3523, a 25.5% margin, and in Cinebench R23 singlecore, the Xeon scores 668 versus 497, a 25.6% margin.

These results indicate that the Xeon's advantage is not workload-specific. Whether the task is single or multi-threaded, the Xeon E5-1410 v2 delivers a consistent, roughly 25.6% performance uplift over the Core i5-2500K. The i5-2500K's higher base clock of 3.30 GHz does not translate into a win, as the Xeon's architectural advantages in IPC, cache size, and thread count prove more decisive.

Specification Differences

The following table outlines the key specifications where the two processors differ, based on the recorded data:

• Cores: 4 (both), but the Xeon has 8 threads vs 4 threads for the i5.
• Base Clock: 3.30 GHz (i5) vs 2.80 GHz (Xeon).
• Boost Clock: 3.70 GHz (i5) vs 3.20 GHz (Xeon).
• TDP: 95 W (i5) vs 80 W (Xeon).
• Socket: Intel Socket 1155 (i5) vs Intel Socket 1356 (Xeon).
• Architecture / Codename: Sandy Bridge (i5) vs Ivy Bridge-EN (Xeon).
• Process Node: 32 nm (i5) vs 22 nm (Xeon).
• Transistors: 1,160 million (i5) vs 1,860 million (Xeon).
• Die Size: 216 mm² (i5) vs 257 mm² (Xeon).
• L3 Cache: 6 MB shared (i5) vs 10 MB shared (Xeon).
• Memory Bus: Dual-channel (i5) vs Triple-channel (Xeon).
• Memory Bandwidth: 25.6 GB/s (i5) vs 32.0 GB/s (Xeon).
• ECC Memory: Not supported (i5) vs Supported (Xeon).
• PCIe: Gen 2, 16 Lanes (i5) vs Gen 3, 24 Lanes (Xeon).
• Integrated Graphics: Intel HD 3000 (i5) vs None (Xeon).
• Market Segment: Desktop (i5) vs Server/Workstation (Xeon).
• Multiplier: Unlocked (i5) vs Locked (Xeon).
• Part Number: SR008 (i5) vs SR1B0 (Xeon).
• Release Date: 2011-01-08 (i5) vs 2014-01-08 (Xeon).