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Apple M1 Ultra (48-GPU) vs Intel Atom C2538
Last updated:
Benchmarks
Performance Overview
Average performance across multiple benchmarks
Single-core performance
Multi-core performance
Geekbench 5, 64bit Single-Core
Single-core performance
Apple M1 Ultra (48-GPU)
100 %
20C / 20T · 3.20 GHz
Intel Atom C2538
13 %
4C / 4T · 2.40 GHz
Geekbench 5, 64bit Multi-Core
Multi-core performance
Apple M1 Ultra (48-GPU)
100 %
20C / 20T · 3.20 GHz
Intel Atom C2538
3 %
4C / 4T · 2.40 GHz
More benchmarks
Cinebench 2024 (SC)
427 entries
427 entries
Cinebench 2024 (MC)
422 entries
422 entries
Cinebench R23 (SC)
690 entries
690 entries
Cinebench R23 (MC)
665 entries
665 entries
Geekbench 6 (SC)
1,989 entries
1,989 entries
Geekbench 6 (MC)
1,927 entries
1,927 entries
Geekbench 5 (SC)
2,512 entries
2,512 entries
Geekbench 5 (MC)
2,483 entries
2,483 entries
FP32 SP (iGPU)
2,219 entries
2,219 entries
Blender 3.1 Benchmark
213 entries
213 entries
PassMark CPU-Mark
2,504 entries
2,504 entries
AI performance (NPU)
218 entries
218 entries
Specifications
At a glance
|
Wischen
|
Apple M1 Ultra (48-GPU) | Intel Atom C2538 |
|---|---|---|
| Family | Apple M series (38) | Intel Atom (108) |
| CPU group | Apple M1 (9) | Intel Atom C2000 (7) |
| Architecture | M1 | Avoton |
| Technology | 5 nm | 22 nm |
| Segment | Notebook | Desktop |
| Socket | BGA 1283 | |
| Predecessor | ||
| Successor | Apple M2 Ultra (60-GPU) |
CPU Cores and Base Frequency
|
Wischen
|
Apple M1 Ultra (48-GPU) | Intel Atom C2538 |
|---|---|---|
| CPU Cores / Threads | 20 / 20 | 4 / 4 |
| Hyperthreading / SMT | ✗ | ✗ |
| Core architecture | hybrid (big.LITTLE) | normal |
| Core Cluster 1: | 16x Firestorm 0.60 - 3.20 GHz |
4x 2.40 GHz |
| Core Cluster 2: | 4x Icestorm 0.60 - 2.06 GHz |
|
| L2-Cache | 52.00 MB | 2.00 MB |
| L3-Cache | ||
| Overclocking | ✗ | ✗ |
Integrated graphics (iGPU)
|
Wischen
|
Apple M1 Ultra (48-GPU) | Intel Atom C2538 |
|---|---|---|
| GPU name | Apple M1 Ultra (48 Core) | no iGPU |
| GPU frequency | 0.39 - 1.30 GHz | |
| CUs / Shader | 768 / 6144 | / |
| Raytracing | ✗ | ✗ |
| Max. displays | 5 | |
| Max. GPU Memory | 64 GB | |
| Technology | 5 nm | |
| Release date | Q1/2022 |
NPU AI performance
|
Wischen
|
Apple M1 Ultra (48-GPU) | Intel Atom C2538 |
|---|---|---|
| AI hardware | Apple Neural Engine | |
| AI specifications | 32 Neural cores @ 22 TOPS | |
| NPU + CPU + iGPU |
Memory & PCIe
|
Wischen
|
Apple M1 Ultra (48-GPU) | Intel Atom C2538 |
|---|---|---|
| Memory | LPDDR5-6400 (819.2 GB/s) | DDR3L-1600 (25.6 GB/s) DDR3-1600 (25.6 GB/s) |
| Max. Memory | 128 GB | 64 GB |
| Memory channels | 8 | 2 |
| ECC | No | Yes |
| PCIe | 4.0 | 2.0 x 16 |
| PCIe Bandwidth | 8.0 GB/s |
Thermal Management
|
Wischen
|
Apple M1 Ultra (48-GPU) | Intel Atom C2538 |
|---|---|---|
| TDP | 60 W | 15 W |
| TDP (PL2) | ||
| TDP up | 120 W | |
| TDP down | ||
| T. junction max. |
Technical details
|
Wischen
|
Apple M1 Ultra (48-GPU) | Intel Atom C2538 |
|---|---|---|
| Chip design | Monolithic | Monolithic |
| AES-NI | ✓ | ✓ |
| Operating systems | macOS | Windows 10, Linux |
| Instruction set | Armv8.5-A (64 bit) | x86-64 (64 bit) |
| ISA extensions | Rosetta 2 x86-Emulation | SSE4.1, SSE4.2 |
| Release date | Q1/2022 | Q3/2013 |
| Release price | 104 $ | |
| Documents | Technical data sheet |
User Reviews
Your rating
Here you can rate one or both of the processors. The average rating of Apple M1 Ultra (48-GPU) is 4.9 stars (112 ratings), while Intel Atom C2538 has received 4.0 stars (1 ratings).
Click on the stars to rate one or both processors.
Most popular CPUs in both categories
1
Apple M5 Max (18-CPU 32-GPU)
18C / 18T · 4.61 GHz
2
Apple M3 Ultra (28-CPU 60-GPU)
28C / 28T · 4.06 GHz
3
Apple M2 Ultra (76-GPU)
24C / 24T · 3.50 GHz
4
Apple M5 Max (18-CPU 40-GPU)
18C / 18T · 4.61 GHz
5
Apple M3 Ultra (32-CPU 80-GPU)
32C / 32T · 4.06 GHz
6
Apple M5 Pro (15-CPU 16-GPU)
15C / 15T · 4.61 GHz
7
Apple M1 Ultra (48-GPU)
20C / 20T · 3.20 GHz
8
Apple M2 Ultra (60-GPU)
24C / 24T · 3.50 GHz
9
Intel Atom C2538
4C / 4T · 0.00 GHz
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