Intel Core i9 9940X vs Apple M4 Ultra
CPU · Specs Compare
General Parameters
Release Date
Oct 2018
May 2025
Manufacturer
Intel
Apple
Type
Desktop
Desktop
Instruction Set
x86-64
ARMv9
Core Architecture
Skylake
Apple M4
Processor Number
i9-9940X
—
Integrated Graphics
N/A
Apple M4 Ultra GPU (80-core)
Package
Manufacturing Process
14 nm
3 nm
Socket
LGA-2066
Apple M-Socket
Power Consumption
165 W
—
Peak Operating Temperature
88 °C
100 °C
CPU Performance
Performance Cores
14
24
Performance Core Threads
28
24
Performance Core Base Frequency
3.3 GHz
4.52 GHz
Performance Core Turbo Frequency
4.4 GHz
—
Total Core Count
14
32
Total Thread Count
28
32
Bus Frequency
100 MHz
—
Multiplier
33x
45
L1 Cache
64 K per core
—
L2 Cache
1 MB per core
—
L3 Cache
20 MB shared
—
Unlocked Multiplier
Yes
No
Efficiency Cores
—
8
Efficiency Core Threads
—
8
Efficiency Core Base Frequency
—
2.89 GHz
Memory Parameters
Memory Types
DDR4-2666
LPDDR5X-8533
Max Memory Size
128 GB
192 GB
Max Memory Channels
4
8
Max Memory Bandwidth
85 GB/s
—
ECC Memory Support
No
No
Miscellaneous
PCIe Version
3.0
—
PCIe Lanes
44
—
Extended Instruction Set
SSE4.1, SSE4.2, AVX-2, AVX-512
—
Graphics Card Parameters
Integrated Graphics
—
true
GPU Base Frequency
—
500 MHz
GPU Max Dynamic Frequency
—
1800 MHz
Shader Units
—
10240
Texture Units
—
640
Raster Operation Units
—
320
Execution Units
—
1280
Power Consumption
—
120
Benchmark
Cinebench R23
1,228
—
Cinebench R23
15,351
—
Geekbench 6
1,328
4,061
Geekbench 5
1,189
—
Geekbench 6
9,787
32,898
Geekbench 5
14,374
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.