Intel Core i7 8700 vs Intel Core i9 7900X
We compared two desktop CPUs: Intel Core i7 8700 with 6 cores 3.2GHz and Intel Core i9 7900X with 10 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Intel Core i7 8700 's Advantages
Integrated graphics card
Lower TDP (65W vs 140W)
Intel Core i9 7900X 's Advantages
Larger memory bandwidth (79.47GB/s vs 41.6GB/s)
Higher base frequency (3.3GHz vs 3.2GHz)
Larger L3 cache size (14MB vs 12MB)
Score
Benchmark
Cinebench R23 Single Core
Intel Core i7 8700
1211
Intel Core i9 7900X
1203
Cinebench R23 Multi Core
Intel Core i7 8700
7068
Intel Core i9 7900X
+112%
14998
Geekbench 6 Single Core
Intel Core i7 8700
1258
Intel Core i9 7900X
+5%
1323
Geekbench 6 Multi Core
Intel Core i7 8700
4394
Intel Core i9 7900X
+94%
8536
Geekbench 5 Single Core
Intel Core i7 8700
+3%
1166
Intel Core i9 7900X
1127
Geekbench 5 Multi Core
Intel Core i7 8700
6209
Intel Core i9 7900X
+64%
10189
Passmark CPU Single Core
Intel Core i7 8700
+3%
2647
Intel Core i9 7900X
2556
Passmark CPU Multi Core
Intel Core i7 8700
12874
Intel Core i9 7900X
+63%
20991
General Parameters
Oct 2017
Release Date
May 2017
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Skylake
i7-8700
Processor Number
i9-7900X
LGA-1151
Socket
LGA-2066
UHD Graphics 630
Integrated Graphics
N/A
Package
14 nm
Manufacturing Process
14 nm
65 W
Power Consumption
140 W
100 °C
Peak Operating Temperature
95 °C
CPU Performance
6
Performance Cores
10
12
Performance Core Threads
20
3.2 GHz
Performance Core Base Frequency
3.3 GHz
4.6 GHz
Performance Core Turbo Frequency
4.3 GHz
6
Total Core Count
10
12
Total Thread Count
20
100 MHz
Bus Frequency
100 MHz
32x
Multiplier
33x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
1 MB per core
12 MB shared
L3 Cache
14 MB shared
No
Unlocked Multiplier
Yes
Memory Parameters
DDR4-2666
Memory Types
DDR4-2666
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
4
41.6 GB/s
Max Memory Bandwidth
79.47 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
true
Integrated Graphics
-
350 MHz
GPU Base Frequency
-
1200 MHz
GPU Max Dynamic Frequency
-
192
Shader Units
-
24
Texture Units
-
3
Raster Operation Units
-
24
Execution Units
-
15 W
Power Consumption
-
4096x2304 - 60 Hz
Max Resolution
-
0.38 TFLOPS
Graphics Performance
-
Miscellaneous
3.0
PCIe Version
3.0
16
PCIe Lanes
44
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
