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Intel Xeon D-1521 vs Apple M4
Last updated:
Benchmarks
Performance Overview
Average performance across multiple benchmarks
Single-core performance
Multi-core performance
Geekbench 6 Single-Core
Single-core performance
Intel Xeon D-1521
24 %
4C / 8T · 2.70 GHz
Apple M4
100 %
9C / 9T · 4.46 GHz
Geekbench 6 Multi-Core
Multi-core performance
Intel Xeon D-1521
25 %
4C / 8T · 2.40 GHz
Apple M4
100 %
9C / 9T · 0.91 GHz
Geekbench 5, 64bit Single-Core
Single-core performance
Intel Xeon D-1521
30 %
4C / 8T · 2.70 GHz
Apple M4
100 %
9C / 9T · 4.46 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
AnTuTu 10 Benchmark
25 entries
25 entries
PassMark CPU-Mark
2,504 entries
2,504 entries
CPU performance per watt (efficiency)
140 entries
140 entries
AI performance (NPU)
218 entries
218 entries
Specifications
At a glance
|
Wischen
|
Intel Xeon D-1521 | Apple M4 |
|---|---|---|
| Family | Intel Xeon D (79) | Apple M series (38) |
| CPU group | Intel Xeon D-1500 (22) | Apple M4 (7) |
| Architecture | Broadwell | M4 |
| Technology | 14 nm | 3 nm |
| Segment | Desktop | Notebook |
| Socket | BGA 1667 | |
| Predecessor | Apple M3 | |
| Successor | Apple M5 |
CPU Cores and Base Frequency
|
Wischen
|
Intel Xeon D-1521 | Apple M4 |
|---|---|---|
| CPU Cores / Threads | 4 / 8 | 9 / 9 |
| Hyperthreading / SMT | ✓ | ✗ |
| Core architecture | normal | hybrid (big.LITTLE) |
| Core Cluster 1: | 4x 2.40 - 2.70 GHz |
3x Donan P-Core 0.91 - 4.46 GHz |
| Core Cluster 2: | 6x Donan E-Core 0.90 - 2.85 GHz |
|
| L2-Cache | 6.00 MB | 20.00 MB |
| L3-Cache | ||
| Overclocking | ✗ | ✗ |
Integrated graphics (iGPU)
|
Wischen
|
Intel Xeon D-1521 | Apple M4 |
|---|---|---|
| GPU name | no iGPU | Apple M4 (10 Core) |
| GPU frequency | 0.34 - 1.58 GHz | |
| CUs / Shader | / | 160 / 1280 |
| Raytracing | ✗ | ✓ |
| Max. displays | 3 | |
| Max. GPU Memory | 24 GB | |
| Technology | 3 nm | |
| Release date | Q2/2024 |
NPU AI performance
|
Wischen
|
Intel Xeon D-1521 | Apple M4 |
|---|---|---|
| AI hardware | Apple Neural Engine | |
| AI specifications | 16 Neural cores @ 38 TOPS | |
| NPU + CPU + iGPU |
Memory & PCIe
|
Wischen
|
Intel Xeon D-1521 | Apple M4 |
|---|---|---|
| Memory | DDR4-2133 (34.1 GB/s) | LPDDR5X-7500 (120.0 GB/s) |
| Max. Memory | 128 GB | 8 GB |
| Memory channels | 2 | 2 |
| ECC | Yes | No |
| PCIe | 3.0 x 32 | 4.0 |
| PCIe Bandwidth | 31.5 GB/s |
Thermal Management
|
Wischen
|
Intel Xeon D-1521 | Apple M4 |
|---|---|---|
| TDP | 45 W | 20 W |
| TDP (PL2) | ||
| TDP up | ||
| TDP down | 15 W | |
| T. junction max. | 100 °C |
Technical details
|
Wischen
|
Intel Xeon D-1521 | Apple M4 |
|---|---|---|
| Chip design | Monolithic | Monolithic |
| AES-NI | ✓ | ✓ |
| Operating systems | Windows 10, Linux | macOS, iPadOS |
| Instruction set | x86-64 (64 bit) | Armv9.2-A (64 bit) |
| ISA extensions | SSE4.1, SSE4.2, AVX2 | Rosetta 2 x86-Emulation, AVX2, SME |
| Release date | Q4/2015 | Q2/2024 |
| Release price | 216 $ | |
| Documents | Technical data sheet | Technical data sheet |
User Reviews
Your rating
Here you can rate one or both of the processors. The average rating of Intel Xeon D-1521 is 4.7 stars (3 ratings), while Apple M4 has received 4.2 stars (1056 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 M5 Max (18-CPU 40-GPU)
18C / 18T · 4.61 GHz
3
Apple M3 Ultra (28-CPU 60-GPU)
28C / 28T · 4.06 GHz
4
Apple M2 Ultra (76-GPU)
24C / 24T · 3.50 GHz
5
Apple M3 Ultra (32-CPU 80-GPU)
32C / 32T · 4.06 GHz
6
Apple M1 Ultra (64-GPU)
20C / 20T · 3.20 GHz
7
Apple M1 Ultra (48-GPU)
20C / 20T · 3.20 GHz
8
Intel Xeon D-1521
4C / 8T · 2.70 GHz
9
Apple M4
9C / 9T · 4.46 GHz
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