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Intel Core i3-8121U vs Intel Celeron 6305
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 i3-8121U
100 %
2C / 4T · 3.20 GHz
Intel Celeron 6305
69 %
2C / 2T · 1.80 GHz
Geekbench 6 Multi-Core
Multi-core performance
Intel Core i3-8121U
100 %
2C / 4T · 2.70 GHz
Intel Celeron 6305
60 %
2C / 2T · 1.80 GHz
Geekbench 5, 64bit Single-Core
Single-core performance
Intel Core i3-8121U
100 %
2C / 4T · 3.20 GHz
Intel Celeron 6305
79 %
2C / 2T · 1.80 GHz
Geekbench 5, 64bit Multi-Core
Multi-core performance
Intel Core i3-8121U
100 %
2C / 4T · 2.70 GHz
Intel Celeron 6305
60 %
2C / 2T · 1.80 GHz
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
Specifications
At a glance
|
Wischen
|
Intel Core i3-8121U | Intel Celeron 6305 |
|---|---|---|
| Family | Intel Core i3 (205) | Intel Celeron (165) |
| CPU group | Intel Core i 8000U (CL) (1) | Intel Celeron 6000 (2) |
| Architecture | Cannon Lake U | Tiger Lake U |
| Technology | 10 nm | 10 nm |
| Segment | Notebook | Notebook |
| Socket | BGA 1356 | BGA 1449 |
| Predecessor | ||
| Successor | Intel Celeron 7305 |
CPU Cores and Base Frequency
|
Wischen
|
Intel Core i3-8121U | Intel Celeron 6305 |
|---|---|---|
| CPU Cores / Threads | 2 / 4 | 2 / 2 |
| Hyperthreading / SMT | ✓ | ✗ |
| Core architecture | normal | normal |
| Cores: | 2x | 2x |
| Frequency: | 2.20 GHz | 1.80 GHz |
| Turbo (1 Core): | 3.20 GHz | 1.80 GHz |
| Turbo (All Cores): | 2.70 GHz | 1.80 GHz |
| L2-Cache | ||
| L3-Cache | 4.00 MB | 4.00 MB |
| Overclocking | ✗ | ✗ |
Integrated graphics (iGPU)
|
Wischen
|
Intel Core i3-8121U | Intel Celeron 6305 |
|---|---|---|
| GPU name | no iGPU | Intel UHD Graphics Xe G4 (48 EUs) |
| GPU frequency | 0.30 - 1.25 GHz | |
| CUs / Shader | / | 48 / 384 |
| Raytracing | ✗ | ✗ |
| Max. displays | 4 | |
| Max. GPU Memory | 96 GB | |
| Technology | 10 nm | |
| Release date | Q3/2020 |
NPU AI performance
|
Wischen
|
Intel Core i3-8121U | Intel Celeron 6305 |
|---|---|---|
| AI hardware | ||
| AI specifications | ||
| NPU + CPU + iGPU |
Memory & PCIe
|
Wischen
|
Intel Core i3-8121U | Intel Celeron 6305 |
|---|---|---|
| Memory | DDR4-2400 (38.4 GB/s) LPDDR4-2400 (38.2 GB/s) | DDR4-3200 (51.2 GB/s) LPDDR4-3733 (29.8 GB/s) |
| Max. Memory | 32 GB | 64 GB |
| Memory channels | 2 | 2 |
| ECC | No | No |
| PCIe | 3.0 x 16 | 3.0 x 16 |
| PCIe Bandwidth | 15.8 GB/s | 15.8 GB/s |
Thermal Management
|
Wischen
|
Intel Core i3-8121U | Intel Celeron 6305 |
|---|---|---|
| TDP | 15 W | 15 W |
| TDP (PL2) | ||
| TDP up | ||
| TDP down | ||
| T. junction max. | 105 °C | 100 °C |
Technical details
|
Wischen
|
Intel Core i3-8121U | Intel Celeron 6305 |
|---|---|---|
| Chip design | Monolithic | Monolithic |
| AES-NI | ✓ | ✓ |
| Operating systems | 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 | Q2/2018 | Q4/2020 |
| Release price | 128 $ | |
| 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 i3-8121U is 5.0 stars (1 ratings), while Intel Celeron 6305 has received 3.5 stars (11 ratings).
Click on the stars to rate one or both processors.
Most popular CPUs in both categories
1
Intel Core i3-8121U
2C / 4T · 3.20 GHz
2
Apple M5 Max (18-CPU 32-GPU)
18C / 18T · 4.61 GHz
3
Apple M5 Max (18-CPU 40-GPU)
18C / 18T · 4.61 GHz
4
Apple M2 Ultra (76-GPU)
24C / 24T · 3.50 GHz
5
Apple M1 Ultra (64-GPU)
20C / 20T · 3.20 GHz
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Apple M1 Ultra (48-GPU)
20C / 20T · 3.20 GHz
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Apple M4 (8-CPU)
8C / 8T · 4.46 GHz
8
Apple M2 Ultra (60-GPU)
24C / 24T · 3.50 GHz
9
Intel Celeron 6305
2C / 2T · 1.80 GHz
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