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Intel Core i3-540 vs Intel Core i7-1255U
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 i3-540
22 %
2C / 4T · 3.06 GHz
Intel Core i7-1255U
100 %
10C / 12T · 4.70 GHz
Geekbench 6 Multi-Core
Multi-core performance
Intel Core i3-540
14 %
2C / 4T · 3.06 GHz
Intel Core i7-1255U
100 %
10C / 12T · 2.70 GHz
Geekbench 5, 64bit Single-Core
Single-core performance
Intel Core i3-540
30 %
2C / 4T · 3.06 GHz
Intel Core i7-1255U
100 %
10C / 12T · 4.70 GHz
Geekbench 5, 64bit Multi-Core
Multi-core performance
Intel Core i3-540
15 %
2C / 4T · 3.06 GHz
Intel Core i7-1255U
100 %
10C / 12T · 2.70 GHz
iGPU - FP32 Performance (Single-precision GFLOPS)
Intel HD Graphics (Westmere)
Intel Core i7-1255U
100 %
Intel Iris Xe Graphics 96 (Alder Lake)
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
CPU-Z Benchmark 17 (MC)
751 entries
751 entries
V-Ray CPU-Render
251 entries
251 entries
Cinebench R15 (SC)
1,113 entries
1,113 entries
Cinebench R15 (MC)
1,110 entries
1,110 entries
Specifications
At a glance
|
Wischen
|
Intel Core i3-540 | Intel Core i7-1255U |
|---|---|---|
| Family | Intel Core i3 (205) | Intel Core i7 (300) |
| CPU group | Intel Core i3 500 (4) | Intel Core i 1200P/1200U (21) |
| Architecture | Clarkdale | Alder Lake U |
| Technology | 32 nm | 10 nm |
| Segment | Desktop | Notebook |
| Socket | LGA 1156 | BGA 1744 |
| Predecessor | ||
| Successor | Intel Core i7-1355U |
CPU Cores and Base Frequency
|
Wischen
|
Intel Core i3-540 | Intel Core i7-1255U |
|---|---|---|
| CPU Cores / Threads | 2 / 4 | 10 / 12 |
| Hyperthreading / SMT | ✓ | ✓ |
| Core architecture | normal | hybrid (big.LITTLE) |
| Core Cluster 1: | 2x 3.06 GHz |
2x Golden Cove 1.70 - 4.70 GHz |
| Core Cluster 2: | 8x Gracemont 1.20 - 3.50 GHz |
|
| L2-Cache | 0.50 MB | 6.50 MB |
| L3-Cache | 4.00 MB | 12.00 MB |
| Overclocking | ✗ | ✗ |
Integrated graphics (iGPU)
|
Wischen
|
Intel Core i3-540 | Intel Core i7-1255U |
|---|---|---|
| GPU name | Intel HD Graphics (Westmere) | Intel Iris Xe Graphics 96 (Alder Lake) |
| GPU frequency | 0.50 - 0.73 GHz | 0.35 - 1.25 GHz |
| CUs / Shader | 12 / 24 | 96 / 768 |
| Raytracing | ✗ | ✗ |
| Max. displays | 2 | 4 |
| Max. GPU Memory | 2 GB | 32 GB |
| Technology | 32 nm | 10 nm |
| Release date | Q1/2010 | Q1/2022 |
NPU AI performance
|
Wischen
|
Intel Core i3-540 | Intel Core i7-1255U |
|---|---|---|
| AI hardware | ||
| AI specifications | ||
| NPU + CPU + iGPU |
Memory & PCIe
|
Wischen
|
Intel Core i3-540 | Intel Core i7-1255U |
|---|---|---|
| Memory | DDR3-1333 (21.3 GB/s) DDR3-1066 (17.1 GB/s) | LPDDR5-5200 (83.2 GB/s) DDR5-4800 (76.8 GB/s) LPDDR4X-4266 (68.2 GB/s) DDR4-3200 (51.2 GB/s) |
| Max. Memory | 16 GB | 64 GB |
| Memory channels | 2 | 2 |
| ECC | Yes | No |
| PCIe | 2.0 x 16 | 4.0 x 28 |
| PCIe Bandwidth | 8.0 GB/s | 55.1 GB/s |
Thermal Management
|
Wischen
|
Intel Core i3-540 | Intel Core i7-1255U |
|---|---|---|
| TDP | 73 W | 15 W |
| TDP (PL2) | 55 W | |
| TDP up | ||
| TDP down | ||
| T. junction max. | 100 °C |
Technical details
|
Wischen
|
Intel Core i3-540 | Intel Core i7-1255U |
|---|---|---|
| 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 | SSE4.1, SSE4.2, AVX2 |
| Release date | Q1/2010 | Q1/2022 |
| Release price | 117 $ | |
| 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 i3-540 is 4.3 stars (7 ratings), while Intel Core i7-1255U has received 4.1 stars (117 ratings).
Click on the stars to rate one or both processors.
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Intel Core i3-540
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Intel Core i7-1255U
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