CPU Comparison
INTEL
Intel Xeon 6521P
CORE STATE
Granite Rapids
CORE SPECS
24 Cores / 48 Threads
CLOCK SPEED
2.6 Base / 4.1 GHz Turbo
CACHE
144 MB (shared)
MAX TDP
225W
ARCHITECTURE
Granite Rapids
PROCESS
5 nm
LAUNCH DATE
2025
VS
INTEL
Xeon Platinum 8270
CORE STATE
Cascade Lake-SP
CORE SPECS
26 Cores / 52 Threads
CLOCK SPEED
2.7 Base / 4 GHz Turbo
CACHE
35.75 MB (shared)
MAX TDP
205W
ARCHITECTURE
Cascade Lake
PROCESS
14 nm
LAUNCH DATE
2018
PERFORMANCE BENCHMARKS
cinebench_cinebench_r15_multicore
cinebench_cinebench_r15_singlecore
cinebench_cinebench_r20_multicore
cinebench_cinebench_r20_singlecore
cinebench_cinebench_r23_multicore
cinebench_cinebench_r23_singlecore
passmark_data_compression
passmark_data_encryption
passmark_extended_instructions
passmark_find_prime_numbers
passmark_floating_point_math
passmark_integer_math
passmark_multithread
passmark_physics
passmark_random_string_sorting
passmark_single_thread
passmark_singlethread
DETAILED SPECIFICATIONS
SPECIFICATION
6521P
Platinum 8270
Core Specs
Cores
24
26
+8.3%
Threads
48
52
+8.3%
Base Clock (GHz)
2.6
2.7
+3.8%
Boost Clock (GHz)
4.1
4
-2.4%
Frequency (GHz)
2.6
2.7
+3.8%
Turbo Clock (GHz)
4.1
4
-2.4%
Multiplier
26
27
+3.8%
SMP CPUs
1
8
+700.0%
Cache
L1 Cache
112 KB (per core)
64 KB (per core)
L2 Cache
2 MB (per core)
1 MB (per core)
L3 Cache
144 MB (shared)
35.75 MB (shared)
Power
TDP (W)
225
205
-8.9%
Architecture
Architecture
Granite Rapids
Cascade Lake
Codename
Granite Rapids
Cascade Lake-SP
Generation
Xeon 6
(Granite Rapids-SP)
Xeon Platinum
(Cascade Lake-SP)
Process Size
5 nm
14 nm
Transistors
—
8,000 million
Die Size
598 mm²
—
Foundry
Intel
Intel
Memory
Memory Support
DDR5
DDR4
Memory Bus
Eight-channel
—
Memory Bandwidth
409.6 GB/s
—
ECC Memory
Yes
Yes
Platform
Socket
Intel Socket 4710
Intel Socket 3647
PCIe
Gen 5, 136 Lanes(CPU only)
—
AMD Multi-Die
IO Process Size
10 nm
—
Interconnect
CXL
Gen 2.0, 64 Lanes (Shared with PCI-E)
—
Other
Market
Server/Workstation
Server/Workstation
Production Status
Active
—
Launch Price
$1250
—
Part Number
SRVNS
SRF96CD8069504195201
Package
FC-LGA18N
FC-LGA3647
Tj Max
100°C
—
Bundled Cooler
None
—