Intel Core i7 6900K vs Intel Core i9 12900T
We compared two desktop CPUs: Intel Core i7 6900K with 8 cores 3.2GHz and Intel Core i9 12900T with 16 cores 1.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i7 6900K 's Advantages
Higher base frequency (3.2GHz vs 1.4GHz)
Intel Core i9 12900T 's Advantages
Released 5 years and 8 months late
Integrated graphics card
Higher specification of memory (4800 vs 2133)
Newer PCIe version (5 vs 3.0)
Larger L3 cache size (30MB vs 20MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (35W vs 140W)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 6900K
1151
Intel Core i9 12900T
+62%
1865
Cinebench R23 Multi Core
Intel Core i7 6900K
11326
Intel Core i9 12900T
+101%
22804
Geekbench 6 Single Core
Intel Core i7 6900K
1286
Intel Core i9 12900T
+83%
2362
Geekbench 6 Multi Core
Intel Core i7 6900K
7470
Intel Core i9 12900T
+65%
12384
Blender
Intel Core i7 6900K
+25%
192
Intel Core i9 12900T
153
General Parameters
May 2016
Release Date
Jan 2022
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
-
Broadwell E
Core Architecture
Alder Lake-S
i7-6900K
Processor Number
-
LGA-2011-3
Socket
Intel Socket 1700
N/A
Integrated Graphics
UHD Graphics 770
-
Generation
Core i9 (Alder Lake-S)
Package
14 nm
Manufacturing Process
10 nm
140 W
Power Consumption
35 W
-
Peak Operating Temperature
72 °C
-
Foundry
Intel
-
Die Size
215 mm²
CPU Performance
8
Performance Cores
8
16
Performance Core Threads
16
3.2 GHz
Performance Core Base Frequency
1.4 GHz
3.7 GHz
Performance Core Turbo Frequency
4.9 GHz
-
Efficiency Cores
8
-
Efficiency Core Threads
8
-
Efficiency Core Base Frequency
1000 MHz
-
Efficiency Core Turbo Frequency
3.6 GHz
8
Total Core Count
16
16
Total Thread Count
24
100 MHz
Bus Frequency
100 MHz
32x
Multiplier
14.0
64 K per core
L1 Cache
80 KB per core
256 K per core
L2 Cache
1.25 MB per core
20 MB shared
L3 Cache
30 MB shared
No
Unlocked Multiplier
Yes
-
SMP
1
Memory Parameters
DDR4-2133
Memory Types
DDR4-3200, DDR5-4800
128 GB
Max Memory Size
-
4
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
76.8 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
-
Integrated Graphics
true
-
GPU Base Frequency
300 MHz
-
GPU Max Dynamic Frequency
1550 MHz
-
Execution Units
32
