Intel Core i9 9940X vs Intel Core i7 8700
CPU · Specs Compare
General Parameters
Release Date
Oct 2018
Oct 2017
Manufacturer
Intel
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Skylake
Coffee Lake
Processor Number
i9-9940X
i7-8700
Integrated Graphics
N/A
UHD Graphics 630
Package
Manufacturing Process
14 nm
14 nm
Socket
LGA-2066
LGA-1151
Power Consumption
165 W
65 W
Peak Operating Temperature
88 °C
100 °C
CPU Performance
Performance Cores
14
6
Performance Core Threads
28
12
Performance Core Base Frequency
3.3 GHz
3.2 GHz
Performance Core Turbo Frequency
4.4 GHz
4.6 GHz
Total Core Count
14
6
Total Thread Count
28
12
Bus Frequency
100 MHz
100 MHz
Multiplier
33x
32x
L1 Cache
64 K per core
64 K per core
L2 Cache
1 MB per core
256 K per core
L3 Cache
20 MB shared
12 MB shared
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR4-2666
DDR4-2666
Max Memory Size
128 GB
128 GB
Max Memory Channels
4
2
Max Memory Bandwidth
85 GB/s
41.6 GB/s
ECC Memory Support
No
No
Miscellaneous
PCIe Version
3.0
3.0
PCIe Lanes
44
16
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
SSE4.1, SSE4.2, AVX-2
Graphics Card Parameters
Integrated Graphics
—
true
GPU Base Frequency
—
350 MHz
GPU Max Dynamic Frequency
—
1200 MHz
Shader Units
—
192
Texture Units
—
24
Raster Operation Units
—
3
Execution Units
—
24
Power Consumption
—
15 W
Max Resolution
—
4096x2304 - 60 Hz
Benchmark
Cinebench R23
1,228
1,211
Cinebench R23
15,351
7,068
Geekbench 6
1,328
1,258
Geekbench 5
1,189
1,166
Geekbench 6
9,787
4,394
Geekbench 5
14,374
6,209
Blender
—
143
Passmark CPU
—
2,647
Passmark CPU
—
12,874
▲ Specs Compare
Data sourced from official specifications and benchmark tests.