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Intel Core i3-2125 vs Intel Core i5-8400H
Last updated:
Benchmarks
Performance Overview
Average performance across multiple benchmarks
Single-core performance
Multi-core performance
Geekbench 6 Single-Core
Single-core performance
Intel Core i3-2125
41 %
2C / 4T · 3.30 GHz
Intel Core i5-8400H
100 %
4C / 8T · 4.20 GHz
Geekbench 6 Multi-Core
Multi-core performance
Intel Core i3-2125
30 %
2C / 4T · 3.30 GHz
Intel Core i5-8400H
100 %
4C / 8T · 3.70 GHz
Geekbench 5, 64bit Single-Core
Single-core performance
Intel Core i3-2125
62 %
2C / 4T · 3.30 GHz
Intel Core i5-8400H
100 %
4C / 8T · 4.20 GHz
Geekbench 5, 64bit Multi-Core
Multi-core performance
Intel Core i3-2125
43 %
2C / 4T · 3.30 GHz
Intel Core i5-8400H
100 %
4C / 8T · 3.70 GHz
iGPU - FP32 Performance (Single-precision GFLOPS)
Intel Core i3-2125
50 %
Intel HD Graphics 3000
Intel Core i5-8400H
100 %
Intel HD Graphics 630
More benchmarks
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
PassMark CPU-Mark
2,504 entries
2,504 entries
Cinebench R15 (SC)
1,113 entries
1,113 entries
Cinebench R15 (MC)
1,110 entries
1,110 entries
Geekbench 3 (SC)
945 entries
945 entries
Geekbench 3 (MC)
941 entries
941 entries
Cinebench R11.5 (SC)
826 entries
826 entries
Cinebench R11.5 (MC)
837 entries
837 entries
Cinebench R11.5 iGPU
383 entries
383 entries
Specifications
At a glance
|
Wischen
|
Intel Core i3-2125 | Intel Core i5-8400H |
|---|---|---|
| Family | Intel Core i3 (205) | Intel Core i5 (336) |
| CPU group | Intel Core i 2000 (28) | Intel Core i 8000H (6) |
| Architecture | Sandy Bridge S | Coffee Lake H |
| Technology | 32 nm | 14 nm |
| Segment | Desktop | Notebook |
| Socket | LGA 1155 | BGA 1440 |
| Predecessor | ||
| Successor | Intel Core i5-9400H |
CPU Cores and Base Frequency
|
Wischen
|
Intel Core i3-2125 | Intel Core i5-8400H |
|---|---|---|
| CPU Cores / Threads | 2 / 4 | 4 / 8 |
| Hyperthreading / SMT | ✓ | ✓ |
| Core architecture | normal | normal |
| Cores: | 2x | 4x |
| Frequency: | 3.30 GHz | 2.50 GHz |
| Turbo (1 Core): | 4.20 GHz | |
| Turbo (All Cores): | 3.70 GHz | |
| L2-Cache | ||
| L3-Cache | 3.00 MB | 8.00 MB |
| Overclocking | ✗ | ✗ |
Integrated graphics (iGPU)
|
Wischen
|
Intel Core i3-2125 | Intel Core i5-8400H |
|---|---|---|
| GPU name | Intel HD Graphics 3000 | Intel HD Graphics 630 |
| GPU frequency | 0.85 - 1.10 GHz | 0.30 - 1.10 GHz |
| CUs / Shader | 12 / 96 | 24 / 192 |
| Raytracing | ✗ | ✗ |
| Max. displays | 2 | 3 |
| Max. GPU Memory | 2 GB | 64 GB |
| Technology | 32 nm | 14 nm |
| Release date | Q1/2011 | Q2/2016 |
NPU AI performance
|
Wischen
|
Intel Core i3-2125 | Intel Core i5-8400H |
|---|---|---|
| AI hardware | ||
| AI specifications | ||
| NPU + CPU + iGPU |
Memory & PCIe
|
Wischen
|
Intel Core i3-2125 | Intel Core i5-8400H |
|---|---|---|
| Memory | DDR3-1333 (21.3 GB/s) | DDR4-2666 (42.7 GB/s) |
| Max. Memory | 32 GB | 64 GB |
| Memory channels | 2 | 2 |
| ECC | No | No |
| PCIe | 2.0 x 16 | 3.0 x 16 |
| PCIe Bandwidth | 8.0 GB/s | 15.8 GB/s |
Thermal Management
|
Wischen
|
Intel Core i3-2125 | Intel Core i5-8400H |
|---|---|---|
| TDP | 35 W | 45 W |
| TDP (PL2) | ||
| TDP up | ||
| TDP down | ||
| T. junction max. |
Technical details
|
Wischen
|
Intel Core i3-2125 | Intel Core i5-8400H |
|---|---|---|
| Chip design | Monolithic | Monolithic |
| AES-NI | ✓ | ✓ |
| Operating systems | Windows 10, Linux | Windows 10, Windows 11, Linux |
| Instruction set | x86-64 (64 bit) | x86-64 (64 bit) |
| ISA extensions | SSE4.1, SSE4.2, AVX | SSE4.1, SSE4.2, AVX2 |
| Release date | Q3/2011 | Q2/2018 |
| Release price | 144 $ | |
| 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 Core i3-2125 is 5.0 stars (1 ratings), while Intel Core i5-8400H has received 4.7 stars (3 ratings).
Click on the stars to rate one or both processors.
Most popular CPUs in both categories
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Intel Core i3-2125
2C / 4T · 0.00 GHz
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Apple M5 Max (18-CPU 32-GPU)
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Apple M3 Ultra (28-CPU 60-GPU)
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Apple M2 Ultra (76-GPU)
24C / 24T · 3.50 GHz
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Apple M5 Max (18-CPU 40-GPU)
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32C / 32T · 4.06 GHz
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Apple M1 Ultra (48-GPU)
20C / 20T · 3.20 GHz
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Apple M5 Pro (15-CPU 16-GPU)
15C / 15T · 4.61 GHz
9
Intel Core i5-8400H
4C / 8T · 4.20 GHz
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