Intel Core i7-3615QM vs Intel Xeon W-2102 Comparison

The Intel Xeon W-2102 and Intel Core i7-3615QM are separated by a mere 0.3% in average benchmark score, with the Xeon posting 1264 against the Core i7's 1260. This places the Xeon at the 35th percentile of all CPUs and the Core i7 at the 34th, making them statistical twins in overall performance. The data reveals a fascinating paradox: a 2017 workstation chip with a 120W TDP and a 2012 mobile processor with a 45W TDP deliver nearly identical results, yet the architecture and platform differences could not be more stark. The benchmarks show the Core i7 wins five of six head-to-head tests, but every margin is under 1%, suggesting that the real differentiators lie outside raw Cinebench scores.

Where Each One Wins

The Intel Core i7-3615QM edges out the Xeon W-2102 in the majority of compute-heavy workloads. Across all three Cinebench generations (R15, R20, and R23), the Core i7 takes the multicore win by 0.5% each time, posting 442 vs 440 in R15, 1845 vs 1835 in R20, and 4393 vs 4370 in R23. The singlecore results are nearly identical, with the Core i7 winning R20 by 0.4% (260 vs 259) and R23 by 0.5% (620 vs 617), while R15 singlecore is a dead tie at 62. This consistent, albeit tiny, advantage likely stems from the Core i7's 8 threads versus the Xeon's 4, allowing better utilization in threaded rendering tasks.

The Intel Xeon W-2102 claims only one win, and it is a statistical null result: the R15 singlecore tie at 62 points. However, the Xeon's true strengths are not visible in Cinebench. Its platform offers quad-channel DDR4 memory with 85.3 GB/s bandwidth, versus the Core i7's dual-channel setup with no listed bandwidth figure. The Xeon also supports ECC memory, a feature absent from the mobile chip. For workloads that stress memory capacity, error correction, or PCIe connectivity (48 Gen 3 lanes on the Xeon versus no listed PCIe on the Core i7), the Xeon would likely pull ahead, though the Cinebench suite does not capture these advantages.

FAQ

Q: Which processor has a higher average benchmark score?

A: The Intel Xeon W-2102 scores 1264 on average, which is 0.3% higher than the Intel Core i7-3615QM's 1260. In the nearest rivals list, the Xeon is compared to the Core i7 with a deltaPct of 0.3%, while the Core i7's rival list shows a deltaPct of -0.3% against the Xeon.

Q: How do the two chips compare in multi-core Cinebench R23?

A: The Core i7-3615QM wins with a score of 4393, which is 0.5% higher than the Xeon W-2102's 4370. This pattern repeats in Cinebench R15 (442 vs 440) and R20 (1845 vs 1835), all favoring the Core i7 by 0.5%.

Q: Is there any benchmark where the Xeon W-2102 outperforms the Core i7-3615QM?

A: The only win for the Xeon is a tie in Cinebench R15 singlecore, where both score 62. In all other head-to-head tests, the Core i7 wins. The Xeon does have a higher average benchmark score overall (1264 vs 1260), but this is not reflected in any individual benchmark win.

Q: What are the memory and platform differences between the two?

A: The Xeon W-2102 supports DDR4 memory over a quad-channel bus with 85.3 GB/s bandwidth and ECC memory. The Core i7-3615QM supports dual-channel memory with no bandwidth figure listed and no ECC support. The Xeon also offers 48 PCIe Gen 3 lanes, while the Core i7 has no PCIe information listed.

Q: Do the two processors share the same socket or architecture?

A: No. The Xeon W-2102 uses Intel Socket 2066 and is based on Skylake-W architecture, while the Core i7-3615QM uses Intel BGA 1224 and is based on Ivy Bridge. The Xeon is a 14 nm server/workstation chip, whereas the Core i7 is a 22 nm mobile chip.

Q: How do their thread counts and clock speeds differ?

A: The Xeon W-2102 has 4 cores and 4 threads with a 2.90 GHz base clock and no boost clock listed. The Core i7-3615QM has 4 cores and 8 threads with a 2.30 GHz base clock and a 3.30 GHz boost clock. The Core i7's TDP is 45W, compared to the Xeon's 120W.

Head-to-Head Benchmarks

The most striking finding is how consistently the Core i7-3615QM wins, yet how inconsequential the margins are. In Cinebench R15 multicore, the Core i7 scores 442 against the Xeon's 440, a deltaPct of -0.5% from the Xeon's perspective. The R20 multicore test shows a similar story: 1845 for the Core i7 versus 1835 for the Xeon, again a 0.5% difference. The largest absolute gap appears in R23 multicore, where the Core i7's 4393 beats the Xeon's 4370 by 23 points, though this still translates to just 0.5%. These results suggest that the Xeon's 4 cores and 4 threads are nearly as capable as the Core i7's 4 cores and 8 threads in Cinebench's rendering workloads, likely because the Xeon's higher 2.90 GHz base clock partially compensates for the missing threads.

Singlecore results reinforce the near-parity. Cinebench R15 singlecore is a perfect tie at 62 for both chips. In R20, the Core i7 wins 260 to 259 (0.4%), and in R23, it wins 620 to 617 (0.5%). The Core i7's boost clock of 3.30 GHz appears to give it a slight edge in single-threaded tasks, while the Xeon's 2.90 GHz base clock (with no boost) keeps it competitive. The data implies that for single-threaded performance, the two are functionally interchangeable within measurement noise.

The Geekbench results are only available for the Core i7, which scores 1907 multicore and 554 singlecore. Without a corresponding Xeon score, these cannot be compared directly, but they do provide context for the Core i7's overall profile. The Core i7's 8 threads likely explain its Geekbench multicore advantage over a hypothetical 4-thread Xeon, even if Cinebench does not show a large gap.

Specification Differences

The core counts tell the primary story: both have 4 cores, but the Core i7-3615QM doubles the thread count to 8, while the Xeon W-2102 stays at 4 threads. Clock speeds differ substantially, with the Xeon's base clock at 2.90 GHz versus the Core i7's 2.30 GHz base and 3.30 GHz boost. The Xeon has no boost clock listed, meaning it operates at a fixed 2.90 GHz. Thermal design power is a major divergence: the Xeon draws 120W, while the Core i7 is rated at just 45W, reflecting the Xeon's workstation pedigree versus the Core i7's mobile efficiency focus.

Memory architecture separates them further. The Xeon supports DDR4 over a quad-channel bus with 85.3 GB/s bandwidth and ECC memory, while the Core i7 uses dual-channel memory with no listed bandwidth and no ECC. The Xeon provides 48 PCIe Gen 3 lanes (CPU only), whereas the Core i7 has no PCIe information listed. The Xeon also lacks integrated graphics, while the Core i7 includes Intel HD 4000. Sockets are incompatible: Intel Socket 2066 for the Xeon versus Intel BGA 1224 for the Core i7.

Architecture Differences

The Xeon W-2102 is built on the Skylake-W architecture using a 14 nm process, with a die size of 484 mm². The Core i7-3615QM uses the older Ivy Bridge architecture on a 22 nm process, with a much smaller die size of 160 mm². The Xeon's cache hierarchy includes 64 KB L1 per core, 1 MB L2 per core, and 8.25 MB shared L3, while the Core i7 has 64 KB L1 per core, 256 KB L2 per core, and 6 MB shared L3. The Xeon's larger L2 cache per core (1 MB vs 256 KB) and larger L3 (8.25 MB vs 6 MB) may explain why it stays competitive despite having half the threads.

Transistor counts differ dramatically: the Core i7 packs 1,400 million transistors into its 160 mm² die, while the Xeon's transistor count is not listed. The Xeon's 484 mm² die is over three times larger, likely accommodating the quad-channel memory controller and additional PCIe lanes. The Core i7's 22 nm process is older and less dense than the Xeon's 14 nm node, but the mobile chip's smaller die and lower TDP suggest a fundamentally different design goal. The Xeon's release date of August 2017 versus the Core i7's April 2012 shows a five-year gap, yet the Cinebench scores are nearly identical, indicating that architectural improvements in Skylake-W offset the Core i7's thread advantage.

The Verdict

For users focused purely on Cinebench-style rendering workloads, the Intel Core i7-3615QM is the data-backed choice. It wins five of six head-to-head benchmarks, including all multicore tests, with the largest margin being 0.5% in R23 multicore. The 8 threads provide a measurable, if small, advantage over the Xeon's 4 threads, and the 3.30 GHz boost clock helps in singlecore tasks. The Core i7 also consumes 75W less power (45W vs 120W), making it far more efficient for the same performance. Its integrated Intel HD 4000 graphics add functionality that the Xeon lacks entirely.

The Intel Xeon W-2102 is the pick for workstation-specific needs that Cinebench does not measure. Its quad-channel DDR4 memory with 85.3 GB/s bandwidth, ECC support, and 48 PCIe Gen 3 lanes make it suited for memory-intensive or error-sensitive server workloads. The Xeon's higher base clock of 2.90 GHz and larger cache (8.25 MB L3, 1 MB L2 per core) keep it within 0.5% of the Core i7 in all benchmarks, so it does not sacrifice much raw speed. Its 120W TDP and lack of integrated graphics are acceptable for a server/workstation platform where a discrete GPU is standard. The Xeon's launch MSRP is $202, which is worth noting for those comparing platform costs.

The data ultimately shows two chips that are 0.3% apart in average score, making the decision entirely dependent on platform requirements. If the workload fits in a mobile platform with dual-channel memory and no ECC, the Core i7-3615QM offers slightly better Cinebench performance at a fraction of the power. If the workload demands ECC, quad-channel bandwidth, or PCIe lane count, the Xeon W-2102 is the only one of the two that can deliver, despite its negligible benchmark deficit. The near-tie in scores suggests that Intel's five years of architectural progress between Ivy Bridge and Skylake-W produced a workstation chip that matches a mobile processor from 2012, a curious result that highlights how Cinebench's short-duration tests may not fully capture sustained workstation performance.