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Granite Rapids-SP is no longer an upcoming processor: it is Intel’s Xeon 6 server family with P-cores, launched in 2024 and expanded with additional models through 2026. It is aimed at demanding enterprise workloads where per-core performance and broad capability matter; the related Sierra Forest family uses E-cores for density-oriented deployments.
The key buying caveat is that “Granite Rapids” does not describe one interchangeable platform. Server SP, higher-scale AP, edge-focused D, and workstation-derived Xeon 600 products can differ in socket, memory, I/O, and system requirements. Confirm the exact processor and validated server configuration before planning an upgrade.
What is Granite Rapids-SP?
Granite Rapids is the codename for Intel Xeon 6 processors with P-cores. The “SP” designation refers to the scalable server platform; these are enterprise server CPUs, not retail desktop processors. Representative products use Intel 3 process technology and follow the Sapphire Rapids and Emerald Rapids generations in Intel’s Xeon server lineup.
P-cores are designed for strong per-core performance and broad workload capability. Intel positions Xeon 6 for general-purpose computing, databases, HPC, AI, networking, and edge deployments. The platform may include features such as AMX, AVX-512, QAT, DSA, IAA, and TDX, but support varies by SKU and system. A feature is useful only when the system firmware and the operating system, hypervisor, libraries, or application support it. Intel’s portfolio overview describes the product families and feature context at Intel Xeon processors.
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Intel’s current Granite Rapids ARK catalog lists launched products, including models added in 2026. “Launched” identifies product status; it does not guarantee that a particular OEM server is in stock or available through every distributor.
Which Granite Rapids-SP models are available?
The table shows representative server SKUs, not the entire family. Core counts, clocks, cache, power, and launch quarter below are listed in Intel’s ARK catalog. Intel’s numbering distinguishes features within a family; it is not a universal performance ranking across Xeon families.
| Processor | Cores / threads | Base / turbo frequency | Cache | Processor base power (TDP) | Launch |
|---|---|---|---|---|---|
| Xeon 6980P | 128 / 256 | 2.0 / 3.9 GHz | 504 MB | 500 W | Q3 2024 |
| Xeon 6979P | 120 / 240 | 2.1 / 3.9 GHz | 504 MB | 500 W | Q3 2024 |
| Xeon 6952P | 96 / 192 | 2.1 / 3.9 GHz | 480 MB | 400 W | Q3 2024 |
| Xeon 6787P | 86 / 172 | 2.0 / 3.8 GHz | 336 MB | 350 W | Q1 2025 |
| Xeon 6788P | 86 / 172 | 2.0 / 3.8 GHz | 336 MB | 350 W | Q1 2025 |
| Xeon 6748P | 48 / 96 | 2.5 / 4.1 GHz | 192 MB | 300 W | Q1 2025 |
| Xeon 6962P | 72 / 144 | 2.7 / 3.9 GHz | 432 MB | 500 W | Q3 2025 |
Use Intel’s live ARK listing to check the full current catalog and the individual SKU specification before making a selection. Processor numbers should not be read as a simple ranking: Intel’s Xeon naming guidance explains their role as identifiers within product families.
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What do the platform specifications mean for a server?
Granite Rapids-SP systems support DDR5 and PCIe 5.0, but buyers should verify memory-channel count, supported speed, DIMM population rules, maximum capacity, PCIe lanes, and socket scalability against the exact processor and server. Those values are not safe to infer from the codename alone.
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Check the exact SKU, not a related Granite Rapids product
For example, Intel’s server specification page for the Xeon 6979P lists 12 memory channels, 96 PCIe lanes, FCLGA7529, and two-socket scalability. Those figures should not be transferred to a workstation-derived Xeon 698X or treated as universal Granite Rapids-SP values. The Xeon 698X workstation specification instead lists eight memory channels and up to 4 TB of memory for that product. It is a related workstation processor, not an SP server SKU.
Memory speed and capacity depend on configuration
DDR5-6400 and MRDIMM support are associated with representative products, but supported speed depends on the SKU and memory configuration. Capacity limits and population rules also vary. Confirm the server maker’s validated memory list and per-socket limit rather than applying a workstation or AP figure to an SP system.
Accelerators require a supported software path
AMX and AVX-512 can matter for supported compute and vectorized workloads; QAT can accelerate supported cryptography or compression, while DSA and IAA target data movement and analytics tasks. TDX is relevant to supported confidential-computing deployments. Check the exact SKU feature list and confirm that the relevant software stack enables the feature.
How is Granite Rapids different from Sierra Forest?
Both are Xeon 6 families, but they address different workload priorities. Granite Rapids uses P-cores; Sierra Forest uses E-cores. The distinction is not simply “faster” versus “slower”: the right choice depends on thread behavior, latency, memory needs, licensing, and rack power.
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| Decision factor | Granite Rapids | Sierra Forest |
|---|---|---|
| Core design | P-cores, with Hyper-Threading on representative SKUs | E-cores; check the chosen SKU rather than assuming P-core behavior |
| Primary emphasis | Per-core performance and broad workload capability | High thread density and efficiency for scale-out work |
| Typical workload fit | Databases, virtualization, HPC, and mixed enterprise workloads | Cloud-native services, web front ends, and horizontally scalable workloads |
| Useful buyer question | How much performance does each thread need? | How much parallel work can the deployment fit per rack or watt? |
High E-core counts do not automatically make a system faster for software with serial bottlenecks, synchronization overhead, poor scaling, or per-thread licensing. Intel’s original Xeon roadmap announcement described Granite Rapids and Sierra Forest as sharing a compatible hardware architecture and software stack, but that does not make their systems interchangeable.
How does SP differ from AP, D, and workstation Xeon?
- Granite Rapids-SP: the mainstream scalable server family discussed here. Check its exact socket, memory, and multiprocessor support at SKU and system level.
- Granite Rapids-AP: a higher-scale server platform for large deployments. Reporting puts AP at 12 memory channels and approximately 614 GB/s of maximum memory bandwidth, compared with eight channels and approximately 409 GB/s for SP under the reported configurations. These are platform-level figures, not guaranteed application throughput; see the configuration context in Tom’s Hardware’s Xeon roadmap coverage.
- Granite Rapids-D: a network- and edge-oriented SoC family, not another name for the SP server platform.
- Xeon 600 workstation products: Granite Rapids-derived workstation processors with different platform characteristics. For workstation system details, use Intel’s Xeon workstation page.
Do not compare AP and SP on core count alone. Memory bandwidth, system topology, socket design, board availability, and deployment scale can matter as much as the processor’s core total.
What workloads can benefit, and what do the performance claims show?
Granite Rapids-SP is a candidate for database and analytics servers, virtualization, HPC, high-memory enterprise applications, media processing, and selected AI workloads. Whether it helps depends on the application: hardware instructions do not improve software that cannot use them, and peak throughput does not answer every latency or cost question.
Interpret vendor results as workload-specific evidence
Intel’s Xeon 6 Granite Rapids product brief reports up to 1.76× query throughput for a particular IBM Db2 workload on a Xeon 6787P compared with a Xeon Platinum 8480+. This is an Intel-reported result for that workload and test configuration, not a general database uplift. The brief documents test conditions and warns that results may vary; differences in processor configuration, memory, firmware, software, and test date affect interpretation.
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For a purchasing decision, prioritize independently reproducible results or a representative pilot using the intended application, system configuration, and software versions. Compare the outcome that matters—throughput, latency, performance per watt, or cost per completed task—not just a peak benchmark score. A single result cannot establish how Granite Rapids compares across Sapphire Rapids, Emerald Rapids, AMD EPYC, or Sierra Forest.
What should buyers check for compatibility?
Granite Rapids is not a drop-in upgrade merely because an existing system uses Intel Xeon. The server vendor must validate the exact processor with its motherboard, firmware, memory, power delivery, and cooling design.
- Identify the exact processor and platform. Confirm SP versus AP or workstation, socket, one- or two-socket support, and OEM system model.
- Check firmware support. Ask the system vendor for the required BIOS and microcode revision, supported stepping, and any feature enablement requirements.
- Validate memory. Confirm DDR5 or MRDIMM support for the SKU, DIMM type and rank, population rules, operating speed, and supported capacity per socket.
- Map I/O and accelerators. Verify available PCIe lanes and their allocation for networking, storage, and accelerator cards, as well as any topology constraints.
- Confirm software support. Check operating system, hypervisor, drivers, and application support for the required processor and accelerator features.
- Review power and cooling with the OEM. Match the chassis, heatsink, airflow, power supply, and firmware policy to the processor’s operating envelope.
- Price the whole deployment. Include software licensing, support, power, cooling, and the validated system—not only the CPU.
Intel’s 6979P specifications direct customers to system vendors for compatibility and note that supported features can depend on motherboard, BIOS, power supply, memory, drivers, operating system, and virtual-machine monitor.
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Representative flagship SP processors reach 500 W of processor base power: that is the CPU’s rated power envelope, not a whole-server consumption figure. Two such processors could account for roughly 1,000 W of CPU package power before memory, storage, network cards, accelerators, fans, and power-supply losses are counted.
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Actual system consumption and cooling needs depend on workload, chassis airflow, ambient temperature, heatsink, firmware policy, and I/O configuration. Maximum turbo power is not the same as sustained whole-system consumption. Intel notes on the 6979P specification page that system and maximum power figures reflect worst-case scenarios and actual TDP can be lower depending on system I/O configuration. Check the OEM’s thermal and power design before choosing a high-core-count SKU for a dense rack or GPU server.
Should you buy Granite Rapids-SP or choose something else?
Choose Granite Rapids-SP for P-core server workloads
It is a strong candidate when per-core performance, mixed enterprise capability, or use of supported AMX, AVX-512, or other accelerators matters—and the validated platform can meet the power, memory, and cooling requirements.
Choose Sierra Forest for scale-out density
Consider the E-core family when services parallelize well across many lightweight threads and rack density or efficiency outweighs per-thread performance. Check licensing and application scaling before selecting a high-core-count design.
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Consider AP for unusually large systems
Granite Rapids-AP is relevant when the deployment benefits from its higher-scale platform characteristics. It is not automatically the better choice for an ordinary enterprise server; system complexity and cost need to be justified by the workload.
Wait for Diamond Rapids only if the schedule allows
Current reporting places Intel’s next major P-core Xeon generation, Diamond Rapids, in 2027 and describes planned PCIe 6.0, a 16-channel design, and higher memory bandwidth. Those roadmap details are not final launch specifications or independent performance results. See Tom’s Hardware’s reporting; verify final products and availability before planning around them. Granite Rapids itself is PCIe 5.0, not PCIe 6.0.
Compare AMD EPYC on the workload, not the brand
AMD EPYC is the principal x86 alternative for server buyers, but the available information does not establish a current model-by-model winner. Compare the exact application, memory and I/O configuration, platform price, software licensing, and supported accelerators on the systems under consideration.
Buy through a validated system path
For server Granite Rapids-SP, the practical purchase is generally an OEM or system-integrator server rather than a consumer retail CPU. Intel’s Xeon 6 business contact page is one system-planning route. Treat Intel’s Recommended Customer Price, where shown, as guidance rather than a guaranteed transaction price; the 6962P specifications give Intel’s pricing context, while the final OEM or distributor price depends on the purchase channel and availability.
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