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Intel Core i9-7900X vs Intel Core i3-8100B
Last updated:
Benchmarks
Performance Overview
Average performance across multiple benchmarks
Single-core performance
Multi-core performance
Cinebench R23 Single-Core
Single-core performance
Intel Core i9-7900X
100 %
10C / 20T · 4.30 GHz
Intel Core i3-8100B
73 %
4C / 4T · 3.60 GHz
Cinebench R23 Multi-Core
Multi-core performance
Intel Core i9-7900X
100 %
10C / 20T · 4.00 GHz
Intel Core i3-8100B
25 %
4C / 4T · 3.60 GHz
Geekbench 6 Single-Core
Single-core performance
Intel Core i9-7900X
100 %
10C / 20T · 4.30 GHz
Intel Core i3-8100B
90 %
4C / 4T · 3.60 GHz
Geekbench 6 Multi-Core
Multi-core performance
Intel Core i9-7900X
100 %
10C / 20T · 4.00 GHz
Intel Core i3-8100B
41 %
4C / 4T · 3.60 GHz
Geekbench 5, 64bit Single-Core
Single-core performance
Intel Core i9-7900X
100 %
10C / 20T · 4.30 GHz
Intel Core i3-8100B
86 %
4C / 4T · 3.60 GHz
Geekbench 5, 64bit Multi-Core
Multi-core performance
Intel Core i9-7900X
100 %
10C / 20T · 4.00 GHz
Intel Core i3-8100B
33 %
4C / 4T · 3.60 GHz
More benchmarks
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
Cinebench R20 (SC)
666 entries
666 entries
Geekbench 5 (SC)
2,512 entries
2,512 entries
Cinebench R20 (MC)
615 entries
615 entries
Geekbench 5 (MC)
2,483 entries
2,483 entries
FP32 SP (iGPU)
2,219 entries
2,219 entries
3DMark Timespy (iGPU)
534 entries
534 entries
PassMark CPU-Mark
2,504 entries
2,504 entries
Blender 2.81 (bmw27)
190 entries
190 entries
CPU-Z Benchmark 17 (MC)
751 entries
751 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
Specifications
At a glance
|
Wischen
|
Intel Core i9-7900X | Intel Core i3-8100B |
|---|---|---|
| Family | Intel Core i9 (81) | Intel Core i3 (205) |
| CPU group | Intel Core i 7000X (9) | Intel Core i 8000 (20) |
| Architecture | Skylake X | Coffee Lake S |
| Technology | 14 nm | 14 nm |
| Segment | Desktop | Desktop |
| Socket | LGA 2066 | BGA 1440 |
| Predecessor | ||
| Successor | Intel Core i9-9900X |
CPU Cores and Base Frequency
|
Wischen
|
Intel Core i9-7900X | Intel Core i3-8100B |
|---|---|---|
| CPU Cores / Threads | 10 / 20 | 4 / 4 |
| Hyperthreading / SMT | ✓ | ✗ |
| Core architecture | normal | normal |
| Cores: | 10x | 4x |
| Frequency: | 3.30 GHz | 3.60 GHz |
| Turbo (1 Core): | 4.30 GHz | |
| Turbo (All Cores): | 4.00 GHz | |
| L2-Cache | ||
| L3-Cache | 14.00 MB | 6.00 MB |
| Overclocking | ✓ | ✗ |
Integrated graphics (iGPU)
|
Wischen
|
Intel Core i9-7900X | Intel Core i3-8100B |
|---|---|---|
| GPU name | no iGPU | Intel UHD Graphics 630 |
| GPU frequency | 0.35 - 1.05 GHz | |
| CUs / Shader | / | 24 / 192 |
| Raytracing | ✗ | ✗ |
| Max. displays | 3 | |
| Max. GPU Memory | 64 GB | |
| Technology | 14 nm | |
| Release date | Q4/2017 |
NPU AI performance
|
Wischen
|
Intel Core i9-7900X | Intel Core i3-8100B |
|---|---|---|
| AI hardware | ||
| AI specifications | ||
| NPU + CPU + iGPU |
Memory & PCIe
|
Wischen
|
Intel Core i9-7900X | Intel Core i3-8100B |
|---|---|---|
| Memory | DDR4-2666 (85.4 GB/s) | DDR4-2666 (42.7 GB/s) |
| Max. Memory | 128 GB | 64 GB |
| Memory channels | 4 | 2 |
| ECC | No | No |
| PCIe | 3.0 x 44 | 3.0 x 16 |
| PCIe Bandwidth | 43.3 GB/s | 15.8 GB/s |
Thermal Management
|
Wischen
|
Intel Core i9-7900X | Intel Core i3-8100B |
|---|---|---|
| TDP | 140 W | 65 W |
| TDP (PL2) | ||
| TDP up | ||
| TDP down | ||
| T. junction max. | 100 °C |
Technical details
|
Wischen
|
Intel Core i9-7900X | Intel Core i3-8100B |
|---|---|---|
| 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, AVX2, AVX-512 | SSE4.1, SSE4.2, AVX2 |
| Release date | Q2/2017 | Q3/2018 |
| Release price | 989 $ | 133 $ |
| 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 i9-7900X is 5.0 stars (3 ratings), while Intel Core i3-8100B has received 3.7 stars (3 ratings).
Click on the stars to rate one or both processors.
Most popular CPUs in both categories
1
Intel Core i9-7900X
10C / 20T · 4.30 GHz
2
Apple M3 Ultra (28-CPU 60-GPU)
28C / 28T · 4.06 GHz
3
Apple M3 Ultra (32-CPU 80-GPU)
32C / 32T · 4.06 GHz
4
Intel Celeron 450
1C / 1T · 0.00 GHz
5
Intel Core i5-13600KF
14C / 20T · 5.10 GHz
6
AMD Ryzen 7 5800XT
8C / 16T · 4.80 GHz
7
Intel Xeon E5-2680 v4
14C / 28T · 3.30 GHz
8
AMD Ryzen 7 5700X
8C / 16T · 4.60 GHz
9
Intel Core i3-8100B
4C / 4T · 0.00 GHz
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