CPU Comparison

Intel
INTEL

Intel Core i9-11900

CORE STATE Rocket Lake
CORE SPECS 8 Cores / 16 Threads
CLOCK SPEED 2.5 Base / 5.2 GHz Turbo
CACHE 16 MB (shared)
MAX TDP 65W
ARCHITECTURE Rocket Lake
nm
PROCESS 14 nm
LAUNCH DATE 2021
VS
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
nm
PROCESS 5 nm
LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

cinebench_cinebench_r15_multicore
1,924
4,966
cinebench_cinebench_r15_singlecore
271
701
cinebench_cinebench_r20_multicore
8,019
20,695
cinebench_cinebench_r20_singlecore
1,131
2,921
cinebench_cinebench_r23_multicore
19,093
49,274
cinebench_cinebench_r23_singlecore
2,695
6,956
passmark_data_compression
285,159
840,355
passmark_data_encryption
13,942
47,452
passmark_extended_instructions
19,654
57,751
passmark_find_prime_numbers
63
437
passmark_floating_point_math
48,948
155,294
passmark_integer_math
83,893
214,076
passmark_multithread
22,456
57,970
passmark_physics
977
4,105
passmark_random_string_sorting
33,054
98,119
passmark_single_thread
3,373
2,829
passmark_singlethread
3,373
2,829

DETAILED SPECIFICATIONS

SPECIFICATION
i9-11900
6521P
Core Specs
Cores
8
24 +200.0%
Threads
16
48 +200.0%
Base Clock (GHz)
2.5
2.6 +4.0%
Boost Clock (GHz)
5.2
4.1 -21.2%
Frequency (GHz)
2.5
2.6 +4.0%
Turbo Clock (GHz)
5.2
4.1 -21.2%
Multiplier
25
26 +4.0%
SMP CPUs
1
1 0.0%
Cache
L1 Cache
64 KB (per core)
112 KB (per core)
L2 Cache
512 KB (per core)
2 MB (per core)
L3 Cache
16 MB (shared)
144 MB (shared)
Power
TDP (W)
65
225 +246.2%
Architecture
Architecture
Rocket Lake
Granite Rapids
Codename
Rocket Lake
Granite Rapids
Generation
Core i9 (Rocket Lake-S)
Xeon 6 (Granite Rapids-SP)
Process Size
14 nm
5 nm
Die Size
276 mm²
598 mm²
Foundry
Intel
Intel
Memory
Memory Support
DDR4
DDR5
Memory Bus
Dual-channel
Eight-channel
Memory Bandwidth
51.2 GB/s
409.6 GB/s
ECC Memory
No
Yes
Platform
Socket
Intel Socket 1200
Intel Socket 4710
Chipsets
H510, B560, H570, Q570, W580, Z590, Q470, H470, W480, Z490
PCIe
Gen 4, 20 Lanes(CPU only)
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)
Graphics
Integrated Graphics
UHD Graphics 750
Other
Market
Desktop
Server/Workstation
Production Status
End-of-life
Active
Launch Price
$439
$1250
Part Number
SRKNJ
SRVNS
Package
FC-LGA14A
FC-LGA18N
Tj Max
100°C
100°C
Bundled Cooler
None
View Core i9-11900 Details View Xeon 6521P Details