Intel Xeon Phi 7230F

Benchmark Performance

The Intel Xeon Phi 7230F occupies an unusual position in the performance landscape, with a benchmark percentile ranking of 50 against all CPUs tracked in the database. This places it precisely at the median, indicating that it splits the field evenly — half of all processors outperform it, and half fall behind. That median placement is striking given the sheer scale of the chip's resources, which suggests that raw core count alone does not translate into top-tier benchmark results in typical workloads.

The processor packs 64 physical cores and 256 threads, an extraordinary parallel configuration that reflects its Knights Landing architecture. However, its base clock of 1300 MHz and boost clock of 1500 MHz are modest by modern standards. The data shows that this combination yields a benchmark profile that lands in the 50th percentile — meaning the high thread count compensates for low clock speeds, but does not boost the chip above the median. For workloads that scale perfectly across many threads, the 256-thread capability is a formidable asset; for lightly threaded tasks, the low clocks become a bottleneck.

The chip's average benchmark score registers as zero in the dataset, which is an artifact of missing benchmark entries rather than a true performance null. This absence of direct score data means the percentile ranking of 50 is the primary quantitative anchor for performance assessment. In practical terms, that ranking suggests the 7230F behaves like a high-throughput, low-frequency part that excels in massively parallel compute but struggles in latency-sensitive applications.

Interpreting the percentile against the core count reveals a telling story: a 64-core processor sitting at the 50th percentile implies that many mainstream CPUs with far fewer cores outperform it in the aggregate benchmark mix. The data indicates that the 7230F's strengths are narrow and specialized, not general-purpose. Its 256 threads are a double-edged sword — they enable extreme parallelism but require software explicitly written to exploit such density, which is rare outside of scientific computing and certain enterprise workloads.

How It Compares

The nearestRivals field in the dataset is empty, meaning there are no direct comparative scores or deltaPct values available for the Xeon Phi 7230F. This absence of rival data is itself informative: it suggests the chip occupies a niche so distinct that the benchmark database does not currently track comparable parts for direct head-to-head analysis. Without specified rivals, the comparison must be framed qualitatively against the broader CPU market, informed by the 50th percentile ranking.

Against typical server and workstation processors in the database, the 7230F's 50th percentile position indicates that it neither dominates nor is dominated by the median CPU. A typical high-core-count server chip with lower thread density but higher clocks would likely outperform it in many benchmarks, while a mainstream desktop processor with six or eight fast cores would also present a strong challenge in single-threaded tasks. The 7230F's edge emerges only in workloads that can utilize hundreds of threads simultaneously.

In the absence of named rivals, the most meaningful comparison is against the processor's own architectural intent. The Knights Landing design targets throughput-heavy compute, and the 64-core/256-thread configuration aligns with that goal. However, the 50th percentile ranking suggests that in the aggregate benchmark suite, the chip does not translate its massive parallelism into a top-half-dominating score. This points to a processor that is highly workload-dependent rather than universally competitive.

The empty nearestRivals list also means no deltaPct figures can be cited for specific competitors. The data instead invites a broader conclusion: the 7230F is a specialist part, and its benchmark standing reflects that specialization. Buyers comparing it to general-purpose CPUs would need to look beyond aggregate scores and focus on thread-scalable workloads, where the 256-thread ceiling provides headroom that few alternatives can match.

Power and Thermals

The Intel Xeon Phi 7230F carries a thermal design power (TDP) of 230 watts. This places it in the high-power tier of server processors, demanding a cooling solution commensurate with that heat output. The 230W figure indicates that the chip sustains significant power draw under load, which is consistent with its 64 active cores and 256 threads operating at 1300–1500 MHz.

Cooling implications are straightforward: a 230W TDP requires a robust heatsink and strong chassis airflow, typically found in rack-mounted server environments or workstations designed for high-core-count parts. The data does not specify a cooler size or type, but the wattage alone signals that a capable air cooler with a large fin stack or a liquid cooling solution would be necessary for sustained operation. Passive cooling would be inadequate; active cooling with high static pressure fans is implied.

The power characteristics also affect operating costs and system design. A 230W processor demands a power supply with sufficient headroom, and the thermal output contributes to ambient temperature in the server room. The 14 nm process node from Intel, with 8,000 million transistors, suggests that the power draw is a consequence of the massive core count rather than an inefficient architecture. The 230W TDP is the single most important thermal datum here, and it dictates that this is not a desktop-friendly part.

Thermal throttling behavior is not specified in the data, but the modest 200 MHz gap between base and boost clocks (1300 to 1500 MHz) implies that the chip has limited frequency headroom under load. This narrow boost range suggests the design prioritizes stable power delivery across all 64 cores rather than aggressive single-core boosting. Sustained all-core operation at 1500 MHz would be the realistic expectation, with the 230W TDP as the governing constraint.

Platform and Compatibility

The Xeon Phi 7230F uses Intel Socket 3647, a platform designed for high-core-count Xeon and Xeon Phi processors. This socket is exclusive to server and workstation motherboards, meaning consumer desktop boards are incompatible. The socket choice reinforces the chip's enterprise positioning and dictates the entire system ecosystem — motherboards, memory, and power delivery must all be specified for Socket 3647.

Memory support is DDR4 with ECC memory enabled. The presence of ECC is a critical feature for server and workstation reliability, as it protects against data corruption in memory. The data does not specify memory channels or maximum capacity, but DDR4 support on this platform implies a multi-channel memory controller designed for high-bandwidth access to feed the 64 cores. ECC capability is non-negotiable for compute-heavy workloads where a single-bit error could invalidate long-running calculations.

The architecture is Knights Landing, built on Intel's 14 nm process with 8,000 million transistors. The processor integrates 32 KB of L1 cache per core and 512 KB of L2 cache per core, with no L3 cache listed. This cache hierarchy is notable: the L2 cache per core is generous, but the absence of a shared L3 cache means all inter-core communication must go through memory or the mesh interconnect. This design choice is typical of Knights Landing, which prioritizes many cores over large shared caches.

The part number is SR2X2, and the multiplier is locked, meaning overclocking is not supported. This is standard for server processors, where stability and reliability take precedence over user-controlled frequency tuning. The processor targets the Server/Workstation market segment, and its release date of June 19, 2016 places it in the mid-2010s era of Intel's high-core-count push. The upgrade path from this platform is limited to other Socket 3647 processors, which would require a motherboard compatible with the same generation.

FAQ

Q: How many cores and threads does the Intel Xeon Phi 7230F have?

A: The processor has 64 cores and 256 threads, enabled by its Knights Landing architecture and Intel's Hyper-Threading technology.

Q: What is the clock speed range of the 7230F?

A: The base clock is 1300 MHz, and the boost clock reaches 1500 MHz, a 200 MHz increase under load conditions.

Q: What memory type does this processor support?

A: It supports DDR4 memory with ECC capability, which is essential for error-correcting workloads in server and workstation environments.

Q: What socket does the 7230F require?

A: It uses Intel Socket 3647, which is exclusive to server and workstation motherboards and is not compatible with consumer desktop platforms.

Q: What is the thermal design power of this chip?

A: The TDP is 230 watts, requiring a robust cooling solution such as a high-performance air cooler or liquid cooling in a well-ventilated chassis.

Q: Is the multiplier unlocked for overclocking?

A: No, the multiplier is locked, which is standard for server processors where stable, predictable operation is prioritized over user tuning.