Intel Core i9 12900K vs AMD Ryzen Threadripper Pro 3945WX
We compared two desktop CPUs: Intel Core i9 12900K with 16 cores 32GHz and AMD Ryzen Threadripper Pro 3945WX with 12 cores 4.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i9 12900K 's Advantages
Released 1 years and 3 months late
Integrated graphics card
Higher specification of memory (4800 vs 3200)
Newer PCIe version (5.0 vs 4.0)
Higher base frequency (32GHz vs 4.0GHz)
Lower TDP (125W vs 280W)
AMD Ryzen Threadripper Pro 3945WX 's Advantages
Larger memory bandwidth (204.8GB/s vs 76.8GB/s)
Larger L3 cache size (64MB vs 30MB)
More modern manufacturing process (7nm vs 10nm)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i9 12900K
+68%
2631
AMD Ryzen Threadripper Pro 3945WX
1561
Geekbench 6 Multi Core
Intel Core i9 12900K
+55%
17004
AMD Ryzen Threadripper Pro 3945WX
10957
Blender
Intel Core i9 12900K
+86%
422
AMD Ryzen Threadripper Pro 3945WX
226
Geekbench 5 Single Core
Intel Core i9 12900K
+51%
1970
AMD Ryzen Threadripper Pro 3945WX
1303
Geekbench 5 Multi Core
Intel Core i9 12900K
+20%
17028
AMD Ryzen Threadripper Pro 3945WX
14155
Passmark CPU Single Core
Intel Core i9 12900K
+55%
4173
AMD Ryzen Threadripper Pro 3945WX
2690
Passmark CPU Multi Core
Intel Core i9 12900K
+24%
41390
AMD Ryzen Threadripper Pro 3945WX
33118
General Parameters
Oct 2021
Release Date
Jul 2020
Intel
Manufacturer
AMD
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Alder Lake
Core Architecture
Zen 2
i9-12900K
Processor Number
-
LGA-1700
Socket
sWRX8
UHD Graphics 770
Integrated Graphics
N/A
Package
10 nm
Manufacturing Process
7 nm
125 W
Power Consumption
280 W
100°C
Peak Operating Temperature
90 °C
CPU Performance
8
Performance Cores
12
16
Performance Core Threads
24
3,2 GHz
Performance Core Base Frequency
4.0 GHz
5.1 GHz
Performance Core Turbo Frequency
4.3 GHz
8
Efficiency Cores
-
8
Efficiency Core Threads
-
2.4 GHz
Efficiency Core Base Frequency
-
3.9 GHz
Efficiency Core Turbo Frequency
-
16
Total Core Count
12
24
Total Thread Count
24
100 MHz
Bus Frequency
100 MHz
32x
Multiplier
40x
64 K per core
L1 Cache
96 K per core
14 MB shared
L2 Cache
512 K per core
30 MB shared
L3 Cache
64 MB shared
Yes
Unlocked Multiplier
No
Memory Parameters
DDR5-4800, DDR4-3200
Memory Types
DDR4-3200
128 GB
Max Memory Size
2048 GB
2
Max Memory Channels
8
76.8 GB/s
Max Memory Bandwidth
204.8 GB/s
Yes
ECC Memory Support
Yes
Graphics Card Parameters
true
Integrated Graphics
-
300 MHz
GPU Base Frequency
-
1550 MHz
GPU Max Dynamic Frequency
-
256
Shader Units
-
16
Texture Units
-
8
Raster Operation Units
-
32
Execution Units
-
15 W
Power Consumption
-
0.78 TFLOPS
Graphics Performance
-
Miscellaneous
5.0
PCIe Version
4.0
20
PCIe Lanes
128
