Feex·CPU
Intel · Xeon 6 · Server

Intel® Xeon™ 6520P

The Intel Xeon 6520P is a server processor released on January 1, 2025, built on the Granite Rapids architecture. It has 24 cores and 48 threads, a base clock of 2.40 GHz, a maximum boost of 4.00 GHz, 144 MB of L3 cache, a 210 W TDP and the FCLGA4710 socket.

Cores
24
Threads
48
Boost Clock
4.0 GHz
Base Clock
2.4 GHz
Architecture
Granite Rapids
Socket
FCLGA4710
TDP
210 W
L3 Cache
144 MB
Core layout
PPPPPPPPPPPPPPPPPPPPPPPP
24 Performance 48 Threads
Notable capabilities:AMX (Advanced Matrix Extensions)AMXAVX-512Extended Page Tables (EPT)

Best for

Workstation & rendering workloadsHeavy parallel simulation & compilationServer / professional infrastructure

Overview

The Intel Xeon 6520P is a server processor with 24 cores and 48 threads, built on the Granite Rapids architecture. It launched in Jan 2025. Clocks run from 2.4 GHz base to 4.0 GHz boost. A 144-MB L3 cache backs the cores (8.1 MB per core). It addresses DDR5 memory up to 4 GB across 8 channels. The chip drops into the FCLGA4710 socket and exposes PCIe 5.0 (88 lanes). Rated TDP is 210 W. Notable platform capabilities: AMX (Advanced Matrix Extensions), AMX, AVX-512, Extended Page Tables (EPT).

Performance

Overall CPU Performance computed
14,533
58% of reference
Reference ceiling 25,000
Multi-Core Performance PassMark rating
62,936
52% of reference
Reference ceiling 120,000
Single-Core Performance PassMark rating
3,356
61% of reference
Reference ceiling 5,500
Productivity Performance computed
45,607
29% of reference
Reference ceiling 160,000
Creator Performance computed
40,656
29% of reference
Reference ceiling 140,000
Engineering Performance computed
80,243
40% of reference
Reference ceiling 200,000
Gaming Performance computed
25,802
100% of reference
Reference ceiling 22,000
Performance per Core computed
2,622
12% of reference
Reference ceiling 21,053
Performance per Thread computed
1,311
12% of reference
Reference ceiling 10,527
Performance per Watt computed
300
15% of reference
Reference ceiling 2,000
Efficiency Index computed
1,003
25% of reference
Reference ceiling 4,000
Performance index computed
180
Intel Core i5-12400 = 100

The Intel Xeon 6520P scores 3,356 in single-core performance and 62,936 in multi-core performance (PassMark CPU Mark ratings). From those two ratings Feex computes 14,533 for overall performance, 45,607 for productivity performance, 40,656 for creator performance, 80,243 for engineering performance and 25,802 for gaming performance. Its multi-core throughput works out to 2,622 per core, 1,311 per thread and 300 per watt. Its computed efficiency index is 1,003. Its performance index is 180, so its overall performance is 80% above the Intel Core i5-12400 (index 100). Each bar shows the score as a share of a reference ceiling, which is the larger of the 99th-percentile score across the Feex CPU database and a fixed baseline.

How these scores are computed

Single-core and multi-core performance are PassMark CPU Mark single-thread and multi-thread ratings. Every other figure on this page's performance section is computed by Feex from those two ratings plus core count, thread count and TDP, so it is a derived value and not a separate benchmark run.

  • Overall performance is the geometric mean of the two ratings: the square root of single-core times multi-core.
  • Productivity performance is 0.65 times multi-core plus 1.4 times single-core.
  • Creator performance is 0.55 times multi-core plus 1.8 times single-core.
  • Engineering performance is multi-core times the smaller of 1.4 and (0.9 plus cores divided by 64).
  • Gaming performance is 3 times single-core plus 0.25 times multi-core.
  • Performance per core, per thread and per watt divide the multi-core rating by physical cores, logical threads and TDP in watts.
  • The efficiency index is the square root of single-core times multi-core, divided by the square root of TDP.
  • The performance index is overall performance divided by the overall performance of the Intel Core i5-12400 (8,069), times 100.

Workload Benchmarks

Scores for individual PassMark CPU Mark test categories. Higher is better. These are measured test scores, not computed from the single-core and multi-core ratings.

Integer Math Throughput
214,288
35% of reference
Reference ceiling 617,811
264% above the Intel Core i5-12400 (58,893)
Raw integer arithmetic throughput across cores.
Floating-Point Math
162,862
27% of reference
Reference ceiling 600,000
255% above the Intel Core i5-12400 (45,899)
Heavy floating-point math, mixed precision.
Compression Performance
841,518
36% of reference
Reference ceiling 2,309,868
269% above the Intel Core i5-12400 (228,054)
Throughput on lossless compression workloads.
Cryptography Performance
45,188
33% of reference
Reference ceiling 137,106
293% above the Intel Core i5-12400 (11,489)
Symmetric encryption and hashing throughput.
Physics Simulation
7,209
59% of reference
Reference ceiling 12,291
561% above the Intel Core i5-12400 (1,090)
Iterative physics & rigid-body simulation.
Vector / SIMD Throughput
64,557
37% of reference
Reference ceiling 172,975
316% above the Intel Core i5-12400 (15,509)
Wide-vector SIMD intrinsics performance.
Prime Sieve
526
49% of reference
Reference ceiling 1,067
685% above the Intel Core i5-12400 (67)
Searching for prime numbers (branch-heavy work).
Sort Performance
95,736
37% of reference
Reference ceiling 260,323
323% above the Intel Core i5-12400 (22,652)
Random string sorting throughput.

In the individual workload tests the Intel Xeon 6520P scores 214,288 in integer math, 162,862 in floating-point math, 841,518 in compression, 45,188 in cryptography, 7,209 in physics simulation, 64,557 in vector SIMD, 526 in the prime sieve and 95,736 in sorting. Higher is better. Compared with the Intel Core i5-12400, it is 264% above in integer math, 255% above in floating-point math, 269% above in compression, 293% above in cryptography, 561% above in physics simulation, 316% above in vector SIMD, 685% above in the prime sieve and 323% above in sorting. Each bar shows the score as a share of that workload's reference ceiling, the larger of the 99th-percentile score across CPUs with a recorded value and a fixed baseline.

Core Configuration

Cores
24
Threads
48
Threads per Core
2
Base Clock
2.4 GHz
Boost Clock
4.0 GHz

The Intel Xeon 6520P has 24 physical cores and runs 48 logical threads. It runs 2 threads per core. It runs at a base clock of 2.40 GHz and boosts up to 4.00 GHz.

Architecture & Generation

Manufacturer
Intel
Family
Xeon 6
Segment
Server
Generation
Intel Xeon 6 processors
Architecture
Granite Rapids
Codename
Granite Rapids
Process Node
Not recorded
Lithography
Not recorded
Release Date
Jan 2025

The Intel Xeon 6520P is a server processor, belongs to the Intel Xeon 6 family, uses the Granite Rapids architecture and carries the codename Granite Rapids. It launched in Jan 2025.

Cache

L1 Cache (Total)
2.6 MB
L2 Cache (Total)
48 MB
L2 Cache (per Core)
2 MB
L3 Cache
144 MB
Cache per Core
8.1 MB
Total Cache
194.6 MB

The Intel Xeon 6520P has 2.63 MB of L1 cache, 48 MB of L2 cache and 144 MB of L3 cache. That adds up to about 194.6 MB of cache, or 8.11 MB per core. Each core has 2 MB of private L2 cache.

Cache Hierarchy

L1L2L3
L1 2.6 MBL2 48 MBL3 144 MB

The Intel Xeon 6520P has a 3-level cache hierarchy: L1 at 2.6 MB, L2 at 48 MB and L3 at 144 MB. L3 is the largest level and makes up about 74% of the cache listed here.

Memory Support

Max Memory
4 GB
Memory Channels
8
Memory Types
DDR5
DDR5 Support
Yes
DDR4 Support
No
LPDDR Support
No

The Intel Xeon 6520P supports DDR5 memory, addresses up to 4 GB of memory and uses 8 memory channels. It does not support DDR4 and LPDDR memory.

Graphics

Integrated Graphics
No

The Intel Xeon 6520P does not include integrated graphics, so a discrete graphics card is required for display output.

Platform & Compatibility

Socket
FCLGA4710
PCIe Generation
5.0
PCIe Lanes
88

The Intel Xeon 6520P uses the FCLGA4710 socket, supports PCI Express 5.0 and provides up to 88 PCIe lanes.

Power & Thermals

TDP
210 W

The Intel Xeon 6520P has a rated TDP of 210 W.

Platform Capabilities

Instruction sets, security, virtualization, AI acceleration and OS readiness. Features are listed as supported, explicitly not supported, or not recorded; a feature that is not recorded is not the same as unsupported.

Instruction Sets

7 supported
Supported
AMXAVX-512AVX2AVXAVX-VNNI64-bit (x86-64)SSE4.2
Not recorded
AES-NICETCET-IBTCET-SSFMAFMA3

Security and Reliability

8 supported
Supported
Control-flow Enforcement (CET)Execute Disable (NX)Boot GuardHardware RNGOS GuardSGXTrusted ExecutionMode-Based Execute Control
Not recorded
AES-NIHardware ShieldOS Guard (SMAP)SMAP

Virtualization

3 supported
Supported
Extended Page Tables (EPT)VT-d (DMA Remapping)VT-x (Hardware Virtualization)
Not recorded
VT-x with EPTIOMMUSecond-Level Address TranslationUnrestricted Guest

AI Acceleration

2 supported
Supported
AMX (Advanced Matrix Extensions)Deep Learning Boost

The Intel Xeon 6520P supports AMX, AVX-512, AVX2, AVX, AVX-VNNI, 64-bit (x86-64) and SSE4.2 among its instruction set features. Feex has no record for AES-NI, CET, CET-IBT, CET-SS, FMA and FMA3, which is different from being unsupported.

The Intel Xeon 6520P supports Control-flow Enforcement (CET), Execute Disable (NX), Boot Guard, Hardware RNG, OS Guard, SGX, Trusted Execution and Mode-Based Execute Control among its security features. Feex has no record for AES-NI, Hardware Shield, OS Guard (SMAP) and SMAP, which is different from being unsupported.

The Intel Xeon 6520P supports Extended Page Tables (EPT), VT-d (DMA Remapping) and VT-x (Hardware Virtualization) among its virtualization features. Feex has no record for VT-x with EPT, IOMMU, Second-Level Address Translation and Unrestricted Guest, which is different from being unsupported.

The Intel Xeon 6520P supports AMX (Advanced Matrix Extensions) and Deep Learning Boost among its AI acceleration features.

Physical & Manufacturing

Launch Price
$1,554

The Intel Xeon 6520P is manufactured by Intel. It launched at a price of $1,554.

Naming & Aliases

Display Name
Intel® Xeon™ 6520P
Model Number
6520P
Product line brand
Xeon

The Intel Xeon 6520P is also identified by the model number 6520P.

Real-world compute in the Feex fleet

No Feex fleet machines with the Intel Xeon 6520P have reported compute telemetry yet, so real-world compute for this processor is not recorded.

How fleet compute is measured · Fleet compute leaderboard · JSON

Data Coverage

Feex has recorded 55% of the specifications it tracks for the Intel Xeon 6520P. Values Feex does not hold are shown as "Not recorded" rather than estimated.

Not recorded: Core Configuration: Performance Cores, Efficiency Cores, Hybrid Architecture, All-Core Boost and Unlocked Multiplier. Architecture & Generation: ISA Family and Market Status. Cache: L4 Cache. Memory Support: Memory Bandwidth, ECC Memory and Max Memory Speed. Platform & Compatibility: Package and Package Size. Power & Thermals: Base Power, Maximum Turbo Power, Configurable TDP (Min), Configurable TDP (Max), Max Junction Temperature and Tcase. Physical & Manufacturing: Transistor Count, Die Size, Die Count and Foundry. Naming & Aliases: Normalized Name, SKU, Processor Number and Part Number.

Common questions

How many cores and threads does the Intel Xeon 6520P have?

The Intel Xeon 6520P has 24 cores and 48 threads.

What architecture does the Intel Xeon 6520P use?

The Intel Xeon 6520P is built on the Granite Rapids architecture.

Does the Intel Xeon 6520P have integrated graphics?

No. The Intel Xeon 6520P does not include integrated graphics.

What socket does the Intel Xeon 6520P use?

The Intel Xeon 6520P uses the FCLGA4710 socket.

What memory does the Intel Xeon 6520P support?

The Intel Xeon 6520P supports DDR5 up to 4 GB across 8 channels.

How fast does the Intel Xeon 6520P run?

The Intel Xeon 6520P can boost up to 4.0 GHz, with a 2.4 GHz base clock.

What is the TDP of the Intel Xeon 6520P?

The Intel Xeon 6520P has a TDP of 210 W.

How does the Intel Xeon 6520P perform?

In the Feex normalized performance dataset, the Intel Xeon 6520P scores 62,936 multi-core and 3,356 single-core.

What advanced capabilities does the Intel Xeon 6520P support?

Notable platform capabilities reported for the Intel Xeon 6520P include AMX (Advanced Matrix Extensions), AMX, AVX-512, Extended Page Tables (EPT).

What is the Intel Xeon 6520P best for?

Based on its specifications, the Intel Xeon 6520P is well suited for Workstation & rendering workloads, Heavy parallel simulation & compilation, Server / professional infrastructure.

How much cache does the Intel Xeon 6520P have?

The Intel Xeon 6520P has 2688 KB of L1 cache, 49152 KB of L2 cache and 144 MB of L3 cache.

How does the Intel Xeon 6520P compare with the Intel Core i5-12400?

The Intel Xeon 6520P has a computed performance index of 180, which is 80% above the Intel Core i5-12400 (index 100). The index is derived from the single-core and multi-core ratings.