Intel Core i9 10940X vs Intel Core i5 8257U
CPU · Specs Compare
General Parameters
Release Date
Oct 2019
Jul 2019
Manufacturer
Intel
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Cascade Lake
Coffee Lake
Processor Number
i9-10940X
i5-8257U
Integrated Graphics
N/A
Iris Plus Graphics 645
Package
Manufacturing Process
14 nm
14 nm
Socket
LGA-2066
BGA-1528
Power Consumption
165 W
15 W
Peak Operating Temperature
86 °C
100 °C
CPU Performance
Performance Cores
14
4
Performance Core Threads
28
8
Performance Core Base Frequency
3.3 GHz
1.4 GHz
Performance Core Turbo Frequency
4.6 GHz
3.9 GHz
Total Core Count
14
4
Total Thread Count
28
8
Bus Frequency
100 MHz
—
Multiplier
33x
14x
L1 Cache
64 K per core
32 K per core
L2 Cache
1 MB per core
256 K per core
L3 Cache
20 MB shared
6 MB shared
Unlocked Multiplier
Yes
No
Memory Parameters
Memory Types
DDR4-2933
DDR4-2400, LPDDR3-2133
Max Memory Size
256 GB
32 GB
Max Memory Channels
4
2
Max Memory Bandwidth
93.8 GB/s
37.5 GB/s
ECC Memory Support
No
No
Miscellaneous
PCIe Version
3.0
3.0
PCIe Lanes
48
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
—
300 MHz
GPU Max Dynamic Frequency
—
1050 MHz
Shader Units
—
384
Texture Units
—
48
Raster Operation Units
—
6
Execution Units
—
48
Power Consumption
—
15 W
Max Resolution
—
4096x2304 - 60 Hz
Benchmark
Cinebench R23
1,234
996
Cinebench R23
21,309
4,031
Geekbench 6
1,471
1,210
Geekbench 5
1,144
916
Geekbench 6
11,287
3,922
Geekbench 5
13,573
3,820
Passmark CPU
2,686
—
Passmark CPU
27,907
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.