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Intel Atom C5315 vs Apple M3 Ultra (28-CPU 60-GPU)

Last updated: 2026-07-04

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 2 - 21 %

Intel Atom C5315

Rank 1 - 100 %

Apple M3 Ultra (28-CPU 60-GPU)

Multi-core performance

Rank 2 - 5 %

Intel Atom C5315

Rank 1 - 100 %

Apple M3 Ultra (28-CPU 60-GPU)

Geekbench 6 Single-Core
Single-core performance

4C / 4T · 2.40 GHz

460

28C / 28T · 4.06 GHz

3,240

Geekbench 6 Multi-Core
Multi-core performance

4C / 4T · 2.40 GHz

1,482

28C / 28T · 3.60 GHz

26,210

Geekbench 5, 64bit Single-Core
Single-core performance

4C / 4T · 2.40 GHz

607

28C / 28T · 4.06 GHz

2,150

Geekbench 5, 64bit Multi-Core
Multi-core performance

4C / 4T · 2.40 GHz

2,107

28C / 28T · 3.60 GHz

42,000

More benchmarks

Cinebench 2026 (ST)
218 entries

Cinebench 2026 (MC)
219 entries

Cinebench 2024 (SC)
427 entries

Cinebench 2024 (MC)
422 entries

Cinebench R23 (SC)
690 entries

Cinebench R23 (MC)
665 entries

Geekbench 6 (SC)
1,989 entries

Geekbench 6 (MC)
1,927 entries

Geekbench 5 (SC)
2,512 entries

Geekbench 5 (MC)
2,483 entries

FP32 SP (iGPU)
2,219 entries

AI performance (NPU)
218 entries

Specifications

At a glance

Wischen	Intel Atom C5315	Apple M3 Ultra (28-CPU 60-GPU)
Family	Intel Atom (108)	Apple M series (38)
CPU group	Intel Atom CE5300 (2)	Apple M3 Ultra (2)
Architecture	Berryville	M3
Technology	32 nm	3 nm
Segment	Notebook	Desktop
Socket	BGA 2106
Predecessor		Apple M2 Ultra (60-GPU)
Successor

CPU Cores and Base Frequency

Wischen	Intel Atom C5315	Apple M3 Ultra (28-CPU 60-GPU)
CPU Cores / Threads	4 / 4	28 / 28
Hyperthreading / SMT	✗	✗
Core architecture	normal	hybrid (big.LITTLE)
Core Cluster 1:	4x 2.40 GHz	20x Palma P-Core 0.70 - 4.06 GHz
Core Cluster 2:		8x Palma E-Core 0.74 - 2.75 GHz
L2-Cache	9.00 MB	80.00 MB
L3-Cache
Overclocking	✗	✗

Integrated graphics (iGPU)

Wischen	Intel Atom C5315	Apple M3 Ultra (28-CPU 60-GPU)
GPU name	no iGPU	Apple M3 Ultra (60 Core)
GPU frequency		0.39 - 1.40 GHz
CUs / Shader	/	960 / 7680
Raytracing	✗	✓
Max. displays		8
Max. GPU Memory		256 GB
Technology		3 nm
Release date		Q1/2025

NPU AI performance

Wischen	Intel Atom C5315	Apple M3 Ultra (28-CPU 60-GPU)
AI hardware		Apple Neural Engine
AI specifications		32 Neural cores @ 70 TOPS
NPU + CPU + iGPU

Memory & PCIe

Wischen	Intel Atom C5315	Apple M3 Ultra (28-CPU 60-GPU)
Memory	DDR4-2400 (38.4 GB/s)	LPDDR5-6400 (818.7 GB/s)
Max. Memory	256 GB	256 GB
Memory channels	2	8
ECC	Yes	No
PCIe	3.0 x 12	5.0
PCIe Bandwidth	11.8 GB/s

Thermal Management

Wischen	Intel Atom C5315	Apple M3 Ultra (28-CPU 60-GPU)
TDP	38 W	125 W
TDP (PL2)
TDP up
TDP down
T. junction max.	100 °C	100 °C

Technical details

Wischen	Intel Atom C5315	Apple M3 Ultra (28-CPU 60-GPU)
Chip design	Monolithic	Monolithic
AES-NI	✓	✓
Operating systems		macOS, iPadOS
Instruction set	x86-64 (64 bit)	Armv8-A (64 bit)
ISA extensions	Unknown	Rosetta 2 x86-Emulation
Release date	Q2/2022	Q1/2025
Release price
Documents	Technical data sheet

User Reviews

Your rating

Here you can rate one or both of the processors. The average rating of Intel Atom C5315 is 0 stars (0 ratings), while Apple M3 Ultra (28-CPU 60-GPU) has received 4.9 stars (214 ratings).

Click on the stars to rate one or both processors.

Intel Atom C5315
4C / 4T · 2.40 GHz

★★★★★

Apple M3 Ultra (28-CPU 60-GPU)
28C / 28T · 0.70 - 4.06 GHz

★★★★★