Intel Core i7-2920XM vs Intel Xeon W5590 Comparison

The Intel Core i7-2920XM and Intel Xeon W5590 are both 4-core, 8-thread processors from Intel, but they come from different eras and target different market segments. The data shows a clear and consistent performance advantage for the mobile Core i7 part across every benchmark recorded, despite the Xeon having higher base and boost clock speeds. This head-to-head analysis relies exclusively on the benchmark scores and specifications provided, revealing an interesting generational shift in Intel's architecture.

Head-to-Head Benchmarks

The benchmark results are remarkably one-sided, with the Core i7-2920XM winning all five recorded comparisons. The most striking pattern is the consistency of the victory margin. Across Cinebench R15, R20, and R23, the Core i7-2920XM leads by roughly 22% in every single test, both single-core and multi-core. For instance, in Cinebench R15 multi-core, the i7-2920XM scores 353 against the Xeon W5590's 288, a delta of 22.6%. The single-core R20 test shows a similar story: 207 for the i7 versus 169 for the Xeon, a 22.5% gap.

This uniformity suggests the advantage is architectural rather than workload-specific. The i7-2920XM's lead in Cinebench R23 multi-core (3504 vs 2867, a 22.2% delta) and R23 single-core (494 vs 404, a 22.3% delta) mirrors the older R15 results almost exactly. The data implies that the Sandy Bridge architecture's efficiency per clock is substantially higher than Nehalem's, offsetting the Xeon's 0.83 GHz base clock advantage. The Xeon W5590's higher clock speed of 3.60 GHz boost cannot overcome the i7-2920XM's newer design, which boosts to 3.50 GHz.

There are no benchmark wins for the Xeon W5590 in this dataset. It does not even appear in the Geekbench results, which only list the i7-2920XM with a multi-core score of 1452 and a single-core score of 430. The i7-2920XM's average benchmark score of 995 places it in the 27th percentile of all CPUs, while the Xeon W5590's average of 986 also lands in the 27th percentile. This near-identical percentile ranking, despite the i7's consistent head-to-head wins, indicates that both processors occupy a similar performance tier in the broader market, with the differences between them being relatively small on an absolute scale.

FAQ

Q: Which processor has a higher average benchmark score?

A: The Intel Core i7-2920XM has an average benchmark score of 995, which is higher than the Intel Xeon W5590's average of 986. This places both in the 27th percentile of all CPUs.

Q: How large is the performance gap in multi-core rendering?

A: In Cinebench R23 multi-core, the i7-2920XM scores 3504 while the Xeon W5590 scores 2867. This represents a 22.2% advantage for the i7-2920XM, consistent with the 22.6% delta seen in Cinebench R15 multi-core.

Q: Does the Xeon W5590 win any benchmark tests?

A: No. The provided head-to-head benchmark data shows the Xeon W5590 losing all five recorded tests, with the i7-2920XM winning every comparison by a margin between 22.2% and 22.6%.

Q: What memory features does the Xeon W5590 support that the i7-2920XM does not?

A: The Xeon W5590 supports ECC memory and uses a triple-channel memory bus, whereas the i7-2920XM does not support ECC and uses a dual-channel bus. The Xeon also has a higher memory bandwidth of 32.0 GB/s compared to the i7's 25.6 GB/s.

Q: Are both processors still in production?

A: No, both are end-of-life products. The i7-2920XM was released in January 2011, while the Xeon W5590 was released in August 2009.

Q: How do the launch prices compare?

A: The i7-2920XM had a launch MSRP of $1096, while the Xeon W5590 had a launch MSRP of $1600.

Architecture Differences

The two processors represent distinct architectural generations from Intel. The i7-2920XM is built on the Sandy Bridge architecture using a 32 nm process node, while the Xeon W5590 uses the older Nehalem architecture on a 45 nm process. This process shrink is significant, as it allows the i7-2920XM to pack 1,160 million transistors into a 216 mm² die, compared to the Xeon's 731 million transistors on a larger 263 mm² die. The newer node likely contributes to the i7's superior performance-per-clock, despite its lower clock speeds.

Both processors have identical cache hierarchies: 64 KB of L1 per core, 256 KB of L2 per core, and 8 MB of shared L3 cache. However, the memory subsystems differ substantially. The i7-2920XM uses a dual-channel DDR3 memory bus with 25.6 GB/s bandwidth, while the Xeon W5590 features a triple-channel DDR3 bus with 32.0 GB/s bandwidth. The Xeon also supports ECC memory, a critical feature for server and workstation reliability, which the i7 lacks. The i7-2920XM includes integrated Intel HD 3000 graphics, while the Xeon has no integrated graphics at all.

The socket and platform targets are completely different. The i7-2920XM uses Intel Socket G2 (988B) and is classified as a mobile processor, while the Xeon W5590 uses Intel Socket 1366 and is a server/workstation part. The i7-2920XM has an unlocked multiplier for overclocking, whereas the Xeon's multiplier is locked. The i7's PCIe implementation is Gen 2 with 16 lanes (CPU only), while the Xeon's PCIe is simply listed as Gen 2 without lane specifics. The i7-2920XM has a TDP of 55 watts, which is notably lower than the Xeon's 130-watt TDP, reflecting its mobile design intent.

The Verdict

The data is unambiguous: the Intel Core i7-2920XM outperforms the Intel Xeon W5590 in every benchmark recorded, with a consistent margin of roughly 22%. For users choosing between these two processors based purely on performance, the i7-2920XM is the clear choice. Its higher average benchmark score of 995 versus 986, and its wins across all Cinebench tests, demonstrate that its newer Sandy Bridge architecture delivers superior performance despite lower clock speeds and a smaller memory bus.

However, the Xeon W5590 is not without merit. Its triple-channel memory bus and ECC support make it a more suitable option for server and workstation environments where memory reliability and bandwidth are critical. The Xeon's 32.0 GB/s memory bandwidth is 25% higher than the i7's 25.6 GB/s, and ECC memory can prevent data corruption in long-running, mission-critical workloads. These features are not reflected in the Cinebench benchmarks, which primarily measure CPU rendering performance rather than memory-intensive server tasks.

The i7-2920XM's integrated graphics and lower 55-watt TDP make it a more flexible and energy-efficient option, particularly for mobile or compact systems. Its unlocked multiplier also appeals to users interested in overclocking. The Xeon's 130-watt TDP and lack of integrated graphics indicate it was designed for a different purpose: raw, sustained compute in a server rack where power efficiency is less of a concern. The verdict depends on whether the user prioritizes raw CPU performance (i7-2920XM) or server-specific features like ECC and memory bandwidth (Xeon W5590).

Specification Differences

The two processors differ in several key specifications. The i7-2920XM has a base clock of 2.50 GHz and a boost clock of 3.50 GHz, while the Xeon W5590 has a higher base clock of 3.33 GHz and a boost clock of 3.60 GHz. The i7 uses a 32 nm process node versus the Xeon's 45 nm node. The i7 packs 1,160 million transistors on a 216 mm² die, compared to the Xeon's 731 million transistors on a 263 mm² die. The i7's TDP is 55 watts, while the Xeon's is 130 watts.

Memory support differs: the i7 uses dual-channel DDR3 with 25.6 GB/s bandwidth and no ECC support, while the Xeon uses triple-channel DDR3 with 32.0 GB/s bandwidth and ECC support. The i7 features integrated Intel HD 3000 graphics, while the Xeon has none. The i7 has an unlocked multiplier, but the Xeon's is locked. The i7 uses Intel Socket G2 (988B), and the Xeon uses Intel Socket 1366. The i7's PCIe is Gen 2 with 16 lanes (CPU only), while the Xeon's PCIe is simply Gen 2. The i7 was released in January 2011 with a launch MSRP of $1096, while the Xeon was released in August 2009 with a launch MSRP of $1600. The i7's part number is SR02E, and the Xeon's is SLBGE.

Where Each One Wins

The i7-2920XM wins in every CPU-bound rendering benchmark. Its Cinebench R23 multi-core score of 3504 is 22.2% higher than the Xeon's 2867, and its R23 single-core score of 494 is 22.3% higher. These results suggest the i7 is the better choice for tasks that depend on single-threaded performance or multi-threaded rendering, such as video editing, 3D modeling, and general productivity. Its lower TDP and integrated graphics also make it the more practical option for mobile workstations or systems where power consumption and space are constraints.

The Xeon W5590 wins in areas not covered by the benchmark suite. Its triple-channel memory bus provides 32.0 GB/s of bandwidth versus the i7's 25.6 GB/s, making it potentially superior for memory-heavy server workloads like database processing or virtualization. Its ECC memory support is a critical advantage for applications where data integrity is paramount, such as financial transactions or scientific computing. The Xeon's locked multiplier and higher TDP reflect its server heritage, where stability and reliability are prioritized over overclocking and energy efficiency.

In terms of market positioning, the i7-2920XM is an mobile Extreme Edition part with an unlocked multiplier, targeting enthusiasts who want desktop-class performance in a laptop. The Xeon W5590 is a workstation/server processor designed for multi-socket environments and sustained 24/7 operation. The data shows the i7 is the faster CPU, but the Xeon offers server-grade features that the i7 simply does not have. Users should choose based on whether they need raw speed (i7) or reliability and memory features (Xeon).