Intel Core i7-2710QE vs Intel Xeon E5-1603 v3 Comparison

The Intel Xeon E5-1603 v3 and Intel Core i7-2710QE are both 4-core Intel processors from different eras and market segments, yet they land within 0.1% of each other in average benchmark score (1098 vs 1096). The Xeon, a Haswell-EP server part, wins every single head-to-head Cinebench test by roughly 19%, while the older Sandy Bridge mobile chip counters with a much lower 45W TDP, integrated graphics, and a boost clock. This comparison is a study in how architectural generational leaps can offset differences in thread counts and power envelopes.

FAQ

Q: Which processor is faster in multi-core workloads?

A: The Intel Xeon E5-1603 v3 wins all multi-core tests. It scores 382 vs 321 in Cinebench R15 multi-core (19% ahead) and 3798 vs 3186 in Cinebench R23 multi-core (19.2% ahead).

Q: Does the Core i7-2710QE's extra threads help it win any benchmark?

A: No. Despite having 8 threads versus the Xeon's 4 threads, the Core i7-2710QE loses every head-to-head test. The Xeon wins 5 out of 5 comparisons, with deltas ranging from 19% to 19.7%.

Q: What are the biggest single-core performance differences?

A: The Xeon leads by 19.7% in Cinebench R20 single-core (225 vs 188) and by 19.4% in Cinebench R23 single-core (536 vs 449). The Xeon's higher 2.80 GHz base clock and newer Haswell architecture drive this advantage.

Q: How do their memory systems differ?

A: The Xeon E5-1603 v3 supports DDR4 memory with a quad-channel bus and 59.7 GB/s bandwidth, plus ECC memory. The Core i7-2710QE uses a dual-channel bus with no listed bandwidth figure and does not support ECC memory.

Q: Which processor has integrated graphics?

A: Only the Core i7-2710QE has integrated graphics (Intel HD 3000). The Xeon E5-1603 v3 has no integrated graphics listed, meaning it requires a discrete GPU.

Q: How do their physical specifications compare?

A: The Xeon is built on a 22 nm process with 2,600 million transistors on a 356 mm² die, while the i7 uses a 32 nm process with 1,160 million transistors on a 216 mm² die. The Xeon's TDP is 140W versus the i7's 45W.

Architecture Differences

The architectural gap here is substantial, spanning two process nodes and distinct design philosophies. The Xeon E5-1603 v3 uses the Haswell-EP architecture on a 22 nm process, packing 2,600 million transistors into a 356 mm² die. The Core i7-2710QE is a Sandy Bridge part on a 32 nm process, with 1,160 million transistors on a 216 mm² die. This difference in transistor density and node maturity explains much of the Xeon's performance edge.

Cache hierarchies diverge as well. Both share 64 KB of L1 and 256 KB of L2 per core, but the Xeon has a 10 MB shared L3 cache, while the i7 makes do with 6 MB shared. The Xeon also supports quad-channel DDR4 memory with 59.7 GB/s bandwidth and ECC, whereas the i7 uses dual-channel memory with no listed bandwidth or ECC support. The Xeon provides PCIe Gen 3 with 40 lanes (CPU only), while the i7 lists no PCIe information at all.

Core and thread counts differ in an interesting reversal of expectations. The Xeon is a plain 4-core/4-thread part, while the i7 is a 4-core/8-thread chip with Hyper-Threading. Yet the Xeon's newer architecture and higher base clock (2.80 GHz vs 2.10 GHz) overcome the thread deficit. The i7 does have a 3.00 GHz boost clock, but the Xeon lists no boost clock at all, relying entirely on its base frequency. The i7 also includes Intel HD 3000 integrated graphics, a feature absent from the Xeon.

Head-to-Head Benchmarks

The benchmark results are remarkably consistent, with the Xeon winning every test by nearly the same margin. In Cinebench R15 multi-core, the Xeon scores 382 against the i7's 321, a 19% advantage. Moving to Cinebench R20 multi-core, the Xeon hits 1595 versus 1338, a 19.2% lead. The pattern holds in Cinebench R23 multi-core, where the Xeon scores 3798 against 3186, again 19.2% ahead.

Single-core results tell the same story. The Xeon leads 225 to 188 in Cinebench R20 single-core, a 19.7% margin, and 536 to 449 in Cinebench R23 single-core, a 19.4% edge. Across all five tests, the Xeon's smallest win is 19% and its largest is 19.7%, showing a remarkably uniform performance advantage.

The Xeon's wins are particularly notable given the i7's extra threads. A 4-thread Haswell chip beating an 8-thread Sandy Bridge chip by nearly 20% in multi-core workloads demonstrates that IPC and memory bandwidth improvements from the newer architecture outweigh raw thread count. The Xeon's quad-channel DDR4 memory and larger L3 cache likely contribute to this sustained lead across both single and multi-core tests.

Average benchmark scores confirm the head-to-head results. The Xeon averages 1098, while the i7 averages 1096, a negligible 0.1% difference. Both sit at the 31st percentile of all CPUs, placing them in the same performance tier overall. The Xeon's nearest rivals include the AMD PRO A10-8850B (deltaPct 0), Intel Pentium 6805 (deltaPct -0.1), and Intel Core i5-3450S (deltaPct -0.1). The i7's nearest rivals include the Intel Core i7-2670QM (deltaPct 0), Intel Core i5-3470S (deltaPct 0.1), and the same AMD PRO A10-8850B (deltaPct -0.1).

The Verdict

The data points to a clear performance winner: the Intel Xeon E5-1603 v3. It wins 5 out of 5 head-to-head benchmarks, with every victory falling between 19% and 19.7%. Its architectural advantages—22 nm Haswell-EP design, 10 MB L3 cache, quad-channel DDR4 support, and higher base clock—consistently overcome the i7-2710QE's thread count advantage.

However, the verdict is not solely about raw speed. The Core i7-2710QE offers a 45W TDP versus the Xeon's 140W, making it dramatically more power-efficient for mobile or compact systems. It also includes integrated graphics, which the Xeon lacks entirely, and supports a boost clock up to 3.00 GHz for burst workloads. For a builder prioritizing low power consumption and integrated display output, the i7 is the practical choice despite losing every benchmark.

For pure compute performance in a workstation or server context, the Xeon is the obvious pick. Its ECC memory support, 40 PCIe Gen 3 lanes, and quad-channel DDR4 bandwidth serve workloads that demand reliability and memory throughput. The i7, with its dual-channel memory and no ECC, targets a different use case entirely. Choose based on your platform requirements: the Xeon for performance-critical server tasks, the i7 for power-sensitive mobile builds.

Specification Differences

| Specification | Intel Xeon E5-1603 v3 | Intel Core i7-2710QE |

|---|---|---|

| Cores | 4 | 4 |

| Threads | 4 | 8 |

| Base Clock | 2.80 GHz | 2.10 GHz |

| Boost Clock | None listed | 3.00 GHz |

| TDP | 140W | 45W |

| Socket | Intel Socket 2011-3 | Intel Socket G2 (988B) |

| Architecture | Haswell-EP | Sandy Bridge |

| Process Node | 22 nm | 32 nm |

| Transistors | 2,600 million | 1,160 million |

| Die Size | 356 mm² | 216 mm² |

| L3 Cache | 10 MB (shared) | 6 MB (shared) |

| Memory Support | DDR4 | None listed |

| Memory Bus | Quad-channel | Dual-channel |

| Memory Bandwidth | 59.7 GB/s | None listed |

| ECC Memory | Yes | No |

| PCIe | Gen 3, 40 Lanes (CPU only) | None listed |

| Integrated Graphics | None | Intel HD 3000 |

| Market Segment | Server/Workstation | Mobile |

| Part Number | SR20K | SR02T |

| Release Date | 2014-09-07 | 2011-01-02 |

Where Each One Wins

Intel Xeon E5-1603 v3 wins every performance benchmark category. In multi-core workloads, it leads by 19% in Cinebench R15 (382 vs 321), 19.2% in R20 (1595 vs 1338), and 19.2% in R23 (3798 vs 3186). Single-core tests show the same pattern, with leads of 19.7% in R20 (225 vs 188) and 19.4% in R23 (536 vs 449). This makes it the choice for CPU-bound rendering, compilation, or scientific workloads where every percentage point matters. Its ECC memory support, 40 PCIe Gen 3 lanes, and quad-channel DDR4 with 59.7 GB/s bandwidth further suit server racks and workstation builds that require error correction and high memory throughput.

Intel Core i7-2710QE wins on power efficiency and platform flexibility. Its 45W TDP is less than one-third of the Xeon's 140W, making it suitable for laptops and compact systems with limited cooling. The integrated Intel HD 3000 graphics eliminate the need for a discrete GPU in basic display scenarios. Its 3.00 GHz boost clock provides a higher maximum frequency for short bursts, and the 8 threads allow better multi-tasking within its power envelope. For mobile workstations or embedded applications where power draw and integrated display output are priorities, the i7 is the functional winner despite losing all compute benchmarks. Its dual-channel memory and lack of ECC are acceptable trade-offs in that context.