Intel Xeon E-2314 vs Intel Xeon E3-1545M v5 Comparison

FAQ

Q: How does the Intel Xeon E-2314 compare to the Intel Xeon E3-1545M v5 in multi-core performance?

A: The E-2314 wins all multi-core tests in the head-to-head comparison. In Cinebench R23 multi-core, the E-2314 scores 6609 against 6497 for the E3-1545M v5, a 1.7% advantage. The margin is similar in Cinebench R20 multi-core, with 2775 versus 2728, and in Cinebench R15 multi-core, 666 versus 654.

Q: Which processor has the higher boost clock?

A: The Intel Xeon E-2314 reaches a boost clock of 4.50 GHz, while the Intel Xeon E3-1545M v5 boosts to 3.80 GHz. The base clocks are closer, with the E3-1545M v5 starting at 2.90 GHz and the E-2314 at 2.80 GHz.

Q: Do both processors support ECC memory?

A: Yes, both the Intel Xeon E-2314 and the Intel Xeon E3-1545M v5 support ECC memory. This is a common requirement for server and workstation deployments.

Q: What are the socket requirements for these two chips?

A: They are not socket-compatible. The Intel Xeon E-2314 uses Intel Socket 1200, while the Intel Xeon E3-1545M v5 uses Intel BGA 1440. The BGA socket indicates a soldered, mobile-oriented design for the older chip.

Q: Which processor has integrated graphics?

A: Only the Intel Xeon E3-1545M v5 includes integrated graphics, specifically Iris Pro Graphics P580. The Intel Xeon E-2314 has no integrated graphics listed in the database, so a discrete GPU is required for display output.

Q: What are the production statuses of these two CPUs?

A: The Intel Xeon E-2314 is listed as Active production, while the Intel Xeon E3-1545M v5 is End-of-life. The E-2314 was released in September 2021, whereas the E3-1545M v5 came out in January 2016.

The Verdict

The data points to the Intel Xeon E-2314 as the stronger performer across every benchmark recorded. It wins all six head-to-head tests, with margins ranging from 1.1% to 1.8%. The largest edge comes in Cinebench R15 multi-core, where it leads by 1.8%. The smallest advantage is in Cinebench R15 single-core, a 1.1% lead. In the other four tests, the E-2314 is consistently ahead by 1.6% to 1.7%.

For users building a new server or workstation around a socketed platform, the E-2314 offers a higher boost clock, PCIe Gen 4 support, and a newer architecture. Its 65 W TDP is higher than the 45 W TDP of the E3-1545M v5, but that trade-off buys faster single-threaded performance and a newer memory standard. The E-2314 also has a much higher launch MSRP of $182 compared to $679, though pricing should not be the primary consideration here.

The E3-1545M v5 still has a role in specific legacy or embedded scenarios. Its lower TDP, integrated graphics, and support for both DDR3 and DDR4 memory make it a flexible option for compact or power-constrained designs. However, its End-of-life status and older Skylake architecture mean it is not the choice for new high-performance builds.

The verdict is straightforward: the Intel Xeon E-2314 is the pick for nearly all new deployments. It wins every benchmark, offers modern PCIe Gen 4 connectivity, and remains in active production. The E3-1545M v5 is only advisable when the integrated GPU, lower power envelope, or BGA form factor are hard requirements.

Head-to-Head Benchmarks

The benchmark suite consists of six Cinebench tests, three multi-core and three single-core. The Intel Xeon E-2314 wins all six, but the margins are narrow. This is not a blowout; it is a consistent, measured advantage.

In Cinebench R15 multi-core, the E-2314 scores 666 against 654 for the E3-1545M v5. That 12-point difference translates to a 1.8% lead, the largest delta in the entire comparison. The single-core version of R15 shows a 93 to 92 result, a 1.1% edge. This is the smallest winning margin recorded.

Moving to Cinebench R20, the multi-core test gives the E-2314 a score of 2775 versus 2728, a 1.7% advantage. The single-core test shows 391 versus 385, a 1.6% lead. These results align closely with the R15 pattern: the E-2314 is ahead, but not by a dramatic amount.

Cinebench R23, the most recent workload in the set, follows the same trend. The E-2314 scores 6609 in multi-core, beating the E3-1545M v5's 6497 by 1.7%. In single-core, the E-2314 posts 933 versus 917, another 1.7% margin.

The consistency of these results is notable. The E-2314 does not have a single weak spot in the Cinebench suite. Its advantage holds steady across different versions of the renderer and across both single-threaded and multi-threaded workloads. This suggests that the performance gap is structural, stemming from the newer architecture and higher boost clock, rather than a workload-specific quirk.

The E3-1545M v5 does have a thread count advantage, 8 threads versus 4, but that does not translate into a multi-core win. The E-2314's higher boost clock of 4.50 GHz versus 3.80 GHz, combined with the Rocket Lake architecture, appears to compensate for the thread deficit. In fact, the E-2314 wins multi-core tests despite having half the threads, which is a significant architectural achievement.

For users upgrading from an E3-1545M v5, the performance uplift from the E-2314 will be modest but real. A 1.7% improvement in Cinebench R23 multi-core is not transformative, but it is measurable. The bigger gains come from platform features like PCIe Gen 4 and newer memory support, which are not captured in these CPU-only benchmarks.

Specification Differences

The two processors differ in several key specifications beyond their benchmark scores.

Clock speeds are a primary differentiator. The Intel Xeon E-2314 has a base clock of 2.80 GHz and a boost clock of 4.50 GHz. The Intel Xeon E3-1545M v5 has a base clock of 2.90 GHz and a boost clock of 3.80 GHz. The E-2314 starts slightly lower but boosts much higher, giving it a 0.70 GHz advantage in maximum frequency.

Thread counts also differ. The E-2314 has 4 cores and 4 threads, meaning no hyper-threading. The E3-1545M v5 has 4 cores and 8 threads, doubling the thread count. Despite this, the E-2314 still wins all multi-core benchmarks, which highlights the efficiency of its newer architecture.

Thermal design power is another divergence. The E-2314 is rated at 65 W TDP, while the E3-1545M v5 is rated at 45 W TDP. The E3-1545M v5 draws less power, which is expected given its mobile-oriented BGA socket and lower clock speeds.

Memory support differs in both type and bandwidth. The E-2314 supports DDR4 memory with a bandwidth of 51.2 GB/s. The E3-1545M v5 supports both DDR3 and DDR4, but its bandwidth is 34.1 GB/s. The E-2314 offers nearly 50% more memory bandwidth, which can benefit memory-intensive workloads.

PCIe support is a generational leap. The E-2314 has PCIe Gen 4 with 20 lanes, while the E3-1545M v5 has PCIe Gen 3 with 16 lanes. This gives the E-2314 both more lanes and double the per-lane bandwidth.

Socket and form factor are fundamentally different. The E-2314 uses Intel Socket 1200, a socketed desktop/server platform. The E3-1545M v5 uses Intel BGA 1440, indicating a soldered chip for laptops or embedded boards.

Integrated graphics are present only on the E3-1545M v5, which includes Iris Pro Graphics P580. The E-2314 has no integrated graphics listed, requiring a discrete GPU.

Cache sizes differ at the L1 and L2 levels. The E-2314 has 80 KB of L1 cache per core and 512 KB of L2 cache per core. The E3-1545M v5 has 64 KB of L1 and 256 KB of L2 per core. Both share 8 MB of L3 cache.

The E-2314 has a die size of 276 mm², while the E3-1545M v5 has a die size of 171 mm². The E3-1545M v5 also lists 2,300 million transistors, a figure not provided for the E-2314.

Release dates are far apart. The E-2314 launched on September 7, 2021. The E3-1545M v5 launched on January 23, 2016. That five-year gap explains the architectural and feature differences.

Architecture Differences

The Intel Xeon E-2314 is built on Rocket Lake architecture, specifically the Rocket Lake-E variant. The Intel Xeon E3-1545M v5 is built on Skylake, specifically the Skylake-H variant. Both use a 14 nm process node from Intel, so the manufacturing process is the same. The performance and feature differences come from the microarchitecture improvements in Rocket Lake.

The E-2314 belongs to the Xeon E-2300 series and is part of the Rocket Lake-E generation. The E3-1545M v5 is from the Xeon E3 line and the Skylake-H generation. This generational gap means the E-2314 benefits from several years of architectural refinements, including improved IPC, better memory controllers, and newer I/O capabilities.

The cache hierarchy shows this evolution. The E-2314 has 80 KB of L1 cache per core and 512 KB of L2 cache per core. The E3-1545M v5 has 64 KB of L1 and 256 KB of L2 per core. The L3 cache is identical at 8 MB shared. The larger per-core caches in the E-2314 likely contribute to its single-threaded performance advantage.

The E-2314 supports PCIe Gen 4 with 20 lanes, while the E3-1545M v5 supports PCIe Gen 3 with 16 lanes. This is a major architectural upgrade, enabling faster NVMe storage and newer GPUs. The memory bandwidth also reflects this, with 51.2 GB/s for the E-2314 versus 34.1 GB/s for the E3-1545M v5.

Memory compatibility is another architectural difference. The E-2314 supports DDR4 only. The E3-1545M v5 supports both DDR3 and DDR4. This makes the older chip more flexible for systems with existing DDR3 memory, but the E-2314's higher bandwidth is the better choice for new builds.

The E3-1545M v5 includes Iris Pro Graphics P580, an integrated GPU. This is a feature of the Skylake-H architecture. The E-2314 has no integrated graphics, meaning it relies entirely on discrete GPUs. For servers and workstations, this is often acceptable, but it is a consideration for systems requiring a minimal display output.

The E3-1545M v5 is fabricated with 2,300 million transistors on a 171 mm² die. The E-2314 uses a larger 276 mm² die, but the transistor count is not listed in the database. The larger die size suggests more complex logic and additional features, consistent with the newer architecture.

Both processors support ECC memory, which is expected for the Xeon lineup. Both also have locked multipliers, so overclocking is not supported on either chip.

The production statuses diverge sharply. The E-2314 is Active, meaning it is still manufactured and sold. The E3-1545M v5 is End-of-life, meaning it is no longer in production. For long-term availability and support, the E-2314 is the safer choice.

In summary, the E-2314 is a modern server processor with higher clocks, faster memory, newer PCIe, and larger caches. The E3-1545M v5 is a legacy mobile-oriented chip with integrated graphics, lower power draw, and broader memory compatibility. The benchmark data shows the E-2314 winning every test, but the architectural differences extend beyond raw CPU scores and affect platform-level decisions.