Intel Core i9 12900K vs Intel Core i7-6785R
We compared two desktop CPUs: Intel Core i9 12900K with 16 cores 32GHz and Intel Core i7 6785R with 4 cores 3.3GHz . 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 5 years and 5 months late
Higher specification of memory (4800 vs 2133)
Larger memory bandwidth (76.8GB/s vs 34.1GB/s)
Newer PCIe version (5.0 vs 3)
Higher base frequency (32GHz vs 3.3GHz)
Larger L3 cache size (30MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)
Intel Core i7-6785R 's Advantages
Lower TDP (65W vs 125W)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i9 12900K
+266%
2631
Intel Core i7 6785R
718
Geekbench 6 Multi Core
Intel Core i9 12900K
+709%
17004
Intel Core i7 6785R
2101
General Parameters
Oct 2021
Release Date
May 2016
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
-
Alder Lake
Core Architecture
Skylake
i9-12900K
Processor Number
-
LGA-1700
Socket
Intel BGA 1440
UHD Graphics 770
Integrated Graphics
Iris Pro 580
-
Generation
Core i7(Skylake-R)
Package
-
-
-
10 nm
Manufacturing Process
14 nm
-
-
-
125 W
Power Consumption
65 W
-
-
-
100°C
Peak Operating Temperature
100°C
-
Foundry
Intel
-
-
-
-
-
-
-
-
-
-
-
-
CPU Performance
8
Performance Cores
4
16
Performance Core Threads
8
3,2 GHz
Performance Core Base Frequency
3.3 GHz
5.1 GHz
Performance Core Turbo Frequency
3.9 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
4
24
Total Thread Count
8
100 MHz
Bus Frequency
100 MHz
32x
Multiplier
33.0
-
-
-
64 K per core
L1 Cache
64 KB per core
14 MB shared
L2 Cache
256 KB per core
30 MB shared
L3 Cache
8 MB shared
Yes
Unlocked Multiplier
No
-
-
-
-
-
SMP
1
-
-
-
-
-
-
Memory Parameters
DDR5-4800, DDR4-3200
Memory Types
DDR3, DDR4-2133
128 GB
Max Memory Size
64
2
Max Memory Channels
2
76.8 GB/s
Max Memory Bandwidth
34.1 GB/s
Yes
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
true
300 MHz
GPU Base Frequency
350 MHz
1550 MHz
GPU Max Dynamic Frequency
1150 MHz
256
Shader Units
-
16
Texture Units
-
8
Raster Operation Units
-
32
Execution Units
-
15 W
Power Consumption
-
-
-
-
0.78 TFLOPS
Graphics Performance
-
AI Accelerator
-
-
-
-
-
-
Miscellaneous
5.0
PCIe Version
3
20
PCIe Lanes
16
-
-
-
-
