Intel Core i7 6785R vs Intel Core i9 12900E
We compared two desktop CPUs: Intel Core i7 6785R with 4 cores 3.3GHz and Intel Core i9 12900E with 16 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i7 6785R 's Advantages
Higher base frequency (3.3GHz vs 2.3GHz)
Intel Core i9 12900E 's Advantages
Released 5 years and 8 months late
Higher specification of memory (4800 vs 2133)
Larger memory bandwidth (76.8GB/s vs 34.1GB/s)
Newer PCIe version (5 vs 3)
Larger L3 cache size (30MB vs 8MB)
More modern manufacturing process (10nm vs 14nm)
Lower TDP (35W vs 65W)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i7 6785R
718
Intel Core i9 12900E
+141%
1735
Geekbench 6 Multi Core
Intel Core i7 6785R
2101
Intel Core i9 12900E
+393%
10366
General Parameters
May 2016
Release Date
Jan 2022
Intel
Manufacturer
Intel
Desktop
Type
Desktop
Skylake
Core Architecture
Alder Lake-S
Intel BGA 1440
Socket
Intel Socket 1700
Iris Pro 580
Integrated Graphics
UHD Graphics 770
Core i7(Skylake-R)
Generation
Core i9 (Alder Lake-S)
Package
14 nm
Manufacturing Process
10 nm
65 W
Power Consumption
35 W
100°C
Peak Operating Temperature
72 °C
Intel
Foundry
Intel
-
Die Size
215 mm²
CPU Performance
4
Performance Cores
8
8
Performance Core Threads
16
3.3 GHz
Performance Core Base Frequency
2.3 GHz
3.9 GHz
Performance Core Turbo Frequency
5.0 GHz
-
Efficiency Cores
8
-
Efficiency Core Threads
8
-
Efficiency Core Base Frequency
1.7 GHz
-
Efficiency Core Turbo Frequency
3.8 GHz
4
Total Core Count
16
8
Total Thread Count
24
100 MHz
Bus Frequency
100 MHz
33.0
Multiplier
23
64 KB per core
L1 Cache
80 KB per core
256 KB per core
L2 Cache
14 MB
8 MB shared
L3 Cache
30 MB
No
Unlocked Multiplier
Yes
1
SMP
1
Memory Parameters
DDR3, DDR4-2133
Memory Types
DDR4-3200, DDR5-4800
64
Max Memory Size
-
2
Max Memory Channels
2
34.1 GB/s
Max Memory Bandwidth
76.8 GB/s
No
ECC Memory Support
Yes
Graphics Card Parameters
true
Integrated Graphics
true
350 MHz
GPU Base Frequency
300 MHz
1150 MHz
GPU Max Dynamic Frequency
1550 MHz
-
Execution Units
32
