Intel Core i9 12900K vs Intel Core i7 6950X
CPU · Specs Compare
General Parameters
Release Date
Oct 2021
May 2016
Manufacturer
Intel
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Alder Lake
Broadwell E
Processor Number
i9-12900K
i7-6950X
Integrated Graphics
UHD Graphics 770
N/A
Package
Manufacturing Process
10 nm
14 nm
Socket
LGA-1700
LGA-2011-3
Power Consumption
125 W
140 W
Peak Operating Temperature
100°C
—
CPU Performance
Performance Cores
8
10
Performance Core Threads
16
20
Performance Core Base Frequency
3,2 GHz
3.0 GHz
Performance Core Turbo Frequency
5.1 GHz
3.5 GHz
Efficiency Cores
8
—
Efficiency Core Threads
8
—
Efficiency Core Base Frequency
2.4 GHz
—
Efficiency Core Turbo Frequency
3.9 GHz
—
Total Core Count
16
10
Total Thread Count
24
20
Bus Frequency
100 MHz
100 MHz
Multiplier
32x
30x
L1 Cache
64 K per core
32 K per core
L2 Cache
14 MB shared
256 K per core
L3 Cache
30 MB shared
25 MB shared
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR5-4800, DDR4-3200
DDR4-2133
Max Memory Size
128 GB
128 GB
Max Memory Channels
2
4
Max Memory Bandwidth
76.8 GB/s
76.8 GB/s
ECC Memory Support
Yes
No
Graphics Card Parameters
Integrated Graphics
true
—
GPU Base Frequency
300 MHz
—
GPU Max Dynamic Frequency
1550 MHz
—
Shader Units
256
—
Texture Units
16
—
Raster Operation Units
8
—
Execution Units
32
—
Power Consumption
15 W
—
Miscellaneous
PCIe Version
5.0
3.0
PCIe Lanes
20
40
Benchmark
Cinebench R23
2,028
1,069
Cinebench R23
27,422
9,743
Geekbench 6
2,631
1,020
Geekbench 6
17,004
6,726
Blender
422
—
Passmark CPU
—
2,330
Passmark CPU
—
17,362
▲ Specs Compare
Data sourced from official specifications and benchmark tests.