Intel Core i9 9940X vs Apple M3 Ultra
We compared two desktop CPUs: Intel Core i9 9940X with 14 cores 3.3GHz and Apple M3 Ultra with 32 cores 4.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
Apple M3 Ultra 's Advantages
Released 6 years and 5 months late
Integrated graphics card
Higher specification of memory (6400 vs 2666)
Larger memory bandwidth (819.2GB/s vs 85GB/s)
Higher base frequency (4.5GHz vs 3.3GHz)
More modern manufacturing process (3nm vs 14nm)
Lower TDP (140W vs 165W)
Score
Benchmark
Geekbench 6 Single Core
Intel Core i9 9940X
1328
Apple M3 Ultra
+144%
3247
Geekbench 6 Multi Core
Intel Core i9 9940X
9787
Apple M3 Ultra
+187%
28107
General Parameters
Oct 2018
Release Date
Mar 2025
Intel
Manufacturer
Apple
Desktop
Type
Desktop
x86-64
Instruction Set
ARMv8
Skylake
Core Architecture
Apple M3
i9-9940X
Processor Number
-
LGA-2066
Socket
Apple M-Socket
N/A
Integrated Graphics
Apple M3 Ultra GPU (80-core)
Package
-
Transistor Count
184 billions
14 nm
Manufacturing Process
3 nm
165 W
Power Consumption
140 W
88 °C
Peak Operating Temperature
100 °C
CPU Performance
14
Performance Cores
24
28
Performance Core Threads
24
3.3 GHz
Performance Core Base Frequency
4.5 GHz
4.4 GHz
Performance Core Turbo Frequency
-
-
Efficiency Cores
8
-
Efficiency Core Threads
8
14
Total Core Count
32
28
Total Thread Count
32
100 MHz
Bus Frequency
-
33x
Multiplier
45
64 K per core
L1 Cache
-
1 MB per core
L2 Cache
-
20 MB shared
L3 Cache
-
Yes
Unlocked Multiplier
No
Memory Parameters
DDR4-2666
Memory Types
LPDDR5-6400
128 GB
Max Memory Size
512 GB
4
Max Memory Channels
8
85 GB/s
Max Memory Bandwidth
819.2 GB/s
No
ECC Memory Support
No
Graphics Card Parameters
-
Integrated Graphics
true
-
Shader Units
10240
-
Texture Units
640
-
Raster Operation Units
320
-
Execution Units
1280
-
Power Consumption
140
Miscellaneous
3.0
PCIe Version
-
44
PCIe Lanes
-
SSE4.1, SSE4.2, AVX-2, AVX-512
Extended Instruction Set
-
