Core i9-12900KS

Details and Benchmarks for Intel Core i9-12900KS

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Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for Core i9-12900KS based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

7,412 Rank: 46
Rank Name Score Visual
42 Ryzen 9 PRO 7945 7,439
+0.4%
43 Ryzen Threadripper PRO 7945WX 7,432
+0.3%
44 Ryzen 7 9800X3D 7,427
+0.2%
45 Ryzen 7 9700X 7,413
+0%
46 Core i9-12900KS 7,412
47 Ryzen 9 7900 7,324
-1.2%
48 Core i9-14900HX 7,300
-1.5%
49 Ryzen AI Max 390 7,265
-2%
50 Ryzen Threadripper PRO 5995WX 7,252
-2.2%
51 Core i9-12900K 7,240
-2.3%

View full ranking →

Multicore Score

Multicore performance score for Core i9-12900KS based on multi-threaded benchmark results.

7,162 Rank: 86
Rank Name Score Visual
82 Xeon w7-3445 7,211
+0.7%
83 Ryzen AI Max 390 7,200
+0.5%
84 Xeon Platinum 8351N 7,195
+0.5%
85 Ryzen 7 9800X3D 7,178
+0.2%
86 Core i9-12900KS 7,162
87 EPYC 7742 7,153
-0.1%
88 Ryzen 9 7945HX 7,146
-0.2%
89 Ryzen 9 7900 7,139
-0.3%
90 Xeon w5-3435X 7,125
-0.5%
91 Ryzen 7 9700X 7,105
-0.8%

View full ranking →

Singlecore Score

Single-core performance score for Core i9-12900KS based on single-threaded benchmark results.

7,578 Rank: 34
Rank Name Score Visual
30 Core i9-13900F 7,622
+0.6%
31 Ryzen 7 9700X 7,618
+0.5%
32 Ryzen AI Max+ 395 7,614
+0.5%
33 Ryzen 7 9800X3D 7,593
+0.2%
34 Core i9-12900KS 7,578
35 Ryzen 9 7900X3D 7,526
-0.7%
36 Ryzen 9 PRO 7945 7,515
-0.8%
37 Ryzen Threadripper 7970X 7,479
-1.3%
38 Ryzen Threadripper 7960X 7,479
-1.3%
39 Ryzen 9 7900 7,448
-1.7%

View full ranking →

Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for Core i9-12900KS based on integer math, floating point math, and prime number computation benchmarks.

6,036 Rank: 102
Rank Name Score Visual
98 Xeon W-3275 6,060
+0.4%
99 Ryzen Threadripper 2990WX 6,054
+0.3%
100 Ryzen 9 5900X 6,053
+0.3%
101 Core Ultra 7 255H 6,039
+0%
102 Core i9-12900KS 6,036
103 Xeon W-3275M 6,032
-0.1%
104 Xeon Platinum 8180 6,025
-0.2%
105 EPYC 7551P 6,004
-0.5%
106 Xeon Gold 6426Y 5,995
-0.7%
107 EPYC 7302 5,971
-1.1%

View full ranking →

Data Processing

Aggregated score for Core i9-12900KS based on data encryption, data compression, and string sorting benchmarks.

6,158 Rank: 101
Rank Name Score Visual
97 Core i9-14900HX 6,190
+0.5%
98 Ryzen 9 7845HX 6,189
+0.5%
99 Xeon w5-2465X 6,179
+0.3%
100 Xeon Platinum 8268 6,166
+0.1%
101 Core i9-12900KS 6,158
102 Xeon W-3265M 6,145
-0.2%
103 EPYC 7451 6,143
-0.2%
104 Xeon Platinum 8180M 6,136
-0.4%
105 EPYC 7401P 6,136
-0.4%
106 Core i9-13900E 6,116
-0.7%

View full ranking →

Physics & Compute

Aggregated score for Core i9-12900KS based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

5,937 Rank: 111
Rank Name Score Visual
107 Xeon W-3265M 5,966
+0.5%
108 Ryzen Threadripper PRO 5945WX 5,965
+0.5%
109 Xeon Platinum 8176 5,957
+0.3%
110 Core i9-14900HX 5,952
+0.3%
111 Core i9-12900KS 5,937
112 Xeon Gold 6210U 5,924
-0.2%
113 Ryzen 7 9700X 5,888
-0.8%
114 Ryzen 9 5950X 5,887
-0.8%
115 Core i9-13900 5,883
-0.9%
116 Core i9-14900 5,882
-0.9%

View full ranking →

Core i9-12900KS Details

The Intel Core i9-12900KS, launched in April 2022, stands as one of the most powerful desktop processors in its class, designed for high-end performance in demanding workloads. As of March 2026, it remains a compelling option for enthusiasts and professionals seeking top-tier single-threaded and multi-threaded performance. Built on Intel's Alder Lake-S architecture, the processor is fabricated on a 10 nm process and features a hybrid design with 8 performance cores (P-cores) and 8 efficient cores (E-cores), totaling 16 cores and 24 threads. This configuration, combined with a base clock of 3.4 GHz and a turbo frequency reaching up to 5.5 GHz, enables exceptional responsiveness and throughput across both productivity and gaming applications.

The chip is packaged in the LGA 1700 socket and has a thermal design power (TDP) of 150 W, indicating a high power draw that necessitates robust cooling solutions. It supports both DDR4 and DDR5 memory types with a dual-channel interface, offering a maximum rated speed of 4800 MT/s, though higher speeds are achievable with overclocking. The memory bandwidth reaches 76.8 GB/s, and the processor includes 30 MB of L3 cache—1.192 MiB of L2 cache and 0.076 MiB of L1 cache—providing fast access to frequently used data. The UHD Graphics 770 integrated GPU, while not designed for modern gaming, supports multiple display outputs and is suitable for basic multimedia tasks.

Intel’s Hyper-Threading technology enables simultaneous multithreading, allowing the processor to effectively double its core count for improved multitasking and parallel workloads. The Core i9-12900KS supports a range of advanced features, including AVX, AVX2, AES-NI, and Intel vPro, enhancing performance in encryption, virtualization, and scientific computing. It also supports ECC memory, a rare feature in mainstream desktop CPUs, making it attractive for mission-critical systems. Additionally, it includes technologies such as Turbo Boost Max Technology 3.0 and Thermal Velocity Boost, which dynamically increase clock speeds based on thermal headroom and workload.

In benchmark testing, the Core i9-12900KS achieves a Singlecore Score of 7578, ranking #34 among 2060 processors, and a Multicore Score of 7162, placing it #86. Its overall score of 7412 positions it at #46 in the global ranking. These results place it just behind higher-tier models like the Ryzen 7 9800X3D and ahead of processors such as the Ryzen 9 7900 and Core i9-14900HX. The processor demonstrates strong performance in both single-threaded and multi-threaded workloads, though its multicore capabilities are slightly less dominant compared to top-tier Ryzen Threadripper and Xeon models.

Overall, the Core i9-12900KS remains a high-performance choice for content creators, gamers, and power users who demand maximum clock speeds and efficient multitasking. While newer processors have since entered the market, its balance of raw speed, integrated features, and overclocking headroom ensures its continued relevance in the high-end desktop segment as of early 2026.
Frequently Compared

AMD Ryzen 5 3600 4 views

AMD Ryzen 5 3500X 3 views

AMD Phenom 9750 3 views

AMD Ryzen 7 PRO 2700X 3 views

AMD Phenom 9650 2 views

AMD A8-7200P 2 views

AMD Athlon II X2 270 2 views

AMD A6-5400K 2 views

Intel Xeon W3505 2 views

Intel Xeon Silver 4208 1 view

Intel Core i9-12900KS

Main Specifications

Designer: Intel
Name: Core i9-12900KS
Cores: 16
Threads: 24
Base Frequency: 3400 MHz
Clock Multiplier: 34x (unlocked)
Core Name: Alder Lake-S
Socket: Socket 1700
Package: FC-LGA16A
Target Segment: Desktop
TDP: 150 W

Cache Specifications

L1 Cache: 77.824 KiB
L2 Cache: 1.192 MiB
L3 Cache: 28.610 MiB

Memory Specifications

Supported Memory Type: DDR4, DDR5

Physical Specifications

Process: 10 nm
Die Area: 215 mm²
Manufacturer: Intel

CPU Features

MMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 ABM BMI1 BMI2 FMA3 RdRand ADX CLMUL F16C TBT 2.0 EIST TXT vPro VT-x VT-d SHA TBMT 3.0 TVB
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