Intel Core i5-3210M vs Intel Xeon E5520 Comparison

Where Each One Wins

The benchmark data presents a clear, though narrow, split between these two processors. The Intel Xeon E5520 wins every single head-to-head test recorded in the database, taking all five multicore and single-core comparisons. The Intel Core i5-3210M, by contrast, records zero wins in the direct comparison set. This is not a case of one chip dominating across widely different workloads; the Xeon’s advantage is consistent but modest, ranging from 2.8% to 3.2% depending on the test.

Looking at the broader benchmark landscape, the two processors land in the same percentile tier. Both sit at the 20th percentile against all CPUs in the database, meaning they are statistically equivalent in overall standing despite the Xeon’s consistent edge in the head-to-head suite. The average benchmark score tells a similar story: the i5-3210M averages 758 points, while the Xeon E5520 averages 742 points. That is a 16-point difference in favor of the mobile chip, even though the Xeon wins every direct comparison. This apparent contradiction resolves when you consider that the i5-3210M has an additional Geekbench multicore score (1116) and single-core score (587) in its benchmark set, while the Xeon lacks Geekbench results entirely. The inclusion of those scores pulls the i5’s average up, even though the Xeon wins all Cinebench tests.

For use-case segmentation, the data suggests the Xeon E5520 is the better choice for sustained multithreaded rendering workloads, as measured by Cinebench R15, R20, and R23 multicore tests. The i5-3210M, despite being a mobile part, holds its own in single-threaded tasks but still trails. The real differentiator is not performance headroom but platform characteristics: the Xeon is a server/workstation part with ECC memory support and triple-channel memory, while the i5 is a mobile chip with integrated graphics and dual-channel memory. If the workload demands ECC reliability, the Xeon is the only option. If the task is lightweight, single-threaded, or runs on a laptop chassis, the i5’s lower power envelope becomes relevant, though the data does not directly measure power consumption.

Architecture Differences

The architectural gap between these two processors is substantial, reflecting their different design eras and market targets. The Core i5-3210M is built on Ivy Bridge, a 22 nm process, with a die size of 118 mm². It packs 2 cores and 4 threads, with a base clock of 2.50 GHz and a boost clock of 3.10 GHz. Its thermal design power is 35 watts, and it fits the Intel Socket G2 (988B), which is a mobile socket. The cache hierarchy includes 64 KB of L1 per core, 256 KB of L2 per core, and 3 MB of shared L3. It has dual-channel memory support, no ECC capability, and integrates Intel HD 4000 graphics. The market segment is explicitly mobile, and it was released on May 31, 2012.

The Xeon E5520, in contrast, is a Nehalem-generation part, codenamed Gainestown, built on a 45 nm process. Its die size is 263 mm², more than double that of the i5, and it contains 731 million transistors. It offers 4 cores and 8 threads, with a base clock of 2.27 GHz and a boost clock of 2.53 GHz. The TDP is 80 watts, more than twice the i5’s, and it uses the Intel Socket 1366, a server platform. The cache configuration is identical at the L1 and L2 levels (64 KB and 256 KB per core respectively), but the L3 is significantly larger at 8 MB shared. Memory support includes DDR3 with triple-channel bandwidth, and ECC memory is supported. It has no integrated graphics, and its PCIe is Gen 2. This is a server/workstation part, released on March 29, 2009, and its production status is end-of-life.

The core count difference (2 vs 4) and thread count difference (4 vs 8) are the most obvious architectural differentiators. The Xeon’s larger L3 cache (8 MB vs 3 MB) provides more shared cache for its eight threads. The process node difference (22 nm vs 45 nm) explains the i5’s lower TDP and smaller die, but also means the Xeon is a much older design. The i5’s integrated graphics are a notable feature absent from the Xeon, making the mobile chip self-contained for basic display output. The Xeon’s ECC support and triple-channel memory are enterprise-oriented features that the i5 completely lacks.

Head-to-Head Benchmarks

The head-to-head results are uniform: the Xeon E5520 wins every test, but by a narrow margin. Starting with Cinebench R15 multicore, the Xeon scores 217 against the i5’s 210, a delta of -3.2% from the i5’s perspective. That is a 7-point lead, which is small in absolute terms but consistent.

In Cinebench R20 multicore, the Xeon scores 905 versus the i5’s 879, a 26-point gap, or -2.9%. The single-core R20 test shows the Xeon at 127 and the i5 at 123, a 4-point difference, or -3.1%. The R23 multicore test gives the Xeon 2155 and the i5 2095, a 60-point gap, or -2.8%. Finally, the R23 single-core test has the Xeon at 304 and the i5 at 295, a 9-point difference, or -3.0%.

The pattern is remarkably tight: every delta falls between -2.8% and -3.2%, regardless of whether the test is single-threaded or multi-threaded. This suggests the Xeon’s advantage is not workload-specific but rather a general per-clock efficiency or frequency-related edge. The Xeon’s boost clock is 2.53 GHz versus the i5’s 3.10 GHz, so the i5 actually has a higher peak frequency. Yet the Xeon still wins, indicating that its Nehalem architecture, despite being older and on a larger process node, delivers more instructions per clock in these Cinebench workloads, or that the additional cores and cache compensate for the lower clock speed.

In the multicore tests, the Xeon’s 4 cores and 8 threads provide a theoretical advantage over the i5’s 2 cores and 4 threads. Yet the margin is only around 3%, which is surprisingly small given the 2x core count difference. This is likely because Cinebench’s multicore scaling is not perfect, and the i5’s higher boost clock (3.10 GHz vs 2.53 GHz) narrows the gap. In single-core tests, the Xeon still wins, which is more surprising given the i5’s 0.57 GHz clock advantage. The data indicates that the Xeon’s single-thread performance per clock is superior, or that the i5’s boost behavior is not sustained under load.

The Verdict

Based strictly on the recorded benchmark data, the Intel Xeon E5520 is the faster processor in every measured test. It wins all five Cinebench comparisons, with margins between 2.8% and 3.2%. If the decision rests purely on raw Cinebench performance, the Xeon is the clear choice. Its 4-core, 8-thread configuration and 8 MB L3 cache provide a structural advantage that, while not overwhelming in percentage terms, is consistent across all workloads.

However, the data also shows that the two processors occupy the same performance percentile (20th) and have nearly identical average benchmark scores (758 for the i5, 742 for the Xeon). The i5-3210M, despite being a mobile chip with half the cores, is not far behind. Its higher boost clock (3.10 GHz) and newer 22 nm process partially compensate for its smaller core count. The i5 also has integrated graphics, which the Xeon lacks entirely.

The real differentiator is platform fit. The Xeon E5520 is a server/workstation part with ECC memory support, triple-channel DDR3, and an 80-watt TDP. It is end-of-life and designed for Socket 1366 motherboards. The i5-3210M is a mobile processor with a 35-watt TDP, dual-channel memory, and Socket G2. It is not an ECC platform.

Who should pick which? If the workload is server-side, requires ECC memory, or leverages a multi-socket or workstation motherboard, the Xeon is the only viable option, and its benchmark lead confirms it is not a performance sacrifice. If the workload runs on a laptop or a compact mobile system, the i5 is the only fit, and its benchmark deficit of roughly 3% is modest enough to be acceptable. For a desktop user with a choice of either platform, the Xeon wins on raw performance, but the i5’s lower TDP and integrated graphics may make it more practical for a small form factor build. The data does not support a performance-based argument for the i5 over the Xeon in any tested workload.

FAQ

Q: Which processor is faster in multi-core Cinebench tests?

A: The Intel Xeon E5520 wins all multi-core tests. It scores 217 vs 210 in Cinebench R15, 905 vs 879 in R20, and 2155 vs 2095 in R23. The deltas are -3.2%, -2.9%, and -2.8% respectively.

Q: Does the Core i5-3210M win any head-to-head benchmark?

A: No. The database records zero wins for the i5-3210M. The Xeon E5520 wins all five head-to-head tests.

Q: How do their overall benchmark averages compare?

A: The i5-3210M has an average benchmark score of 758, while the Xeon E5520 averages 742. Both sit at the 20th percentile against all CPUs.

Q: What are the core and thread counts?

A: The i5-3210M has 2 cores and 4 threads. The Xeon E5520 has 4 cores and 8 threads.

Q: Which processor supports ECC memory?

A: Only the Intel Xeon E5520 supports ECC memory. The i5-3210M does not.

Q: What are the clock speeds?

A: The i5-3210M has a base clock of 2.50 GHz and a boost clock of 3.10 GHz. The Xeon E5520 has a base clock of 2.27 GHz and a boost clock of 2.53 GHz. Despite the lower clocks, the Xeon wins all benchmarks.