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Intel Core i7-2640M vs Intel Core i7-975
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 i7-2640M
89 %
2C / 4T · 3.50 GHz
Intel Core i7-975
100 %
4C / 8T · 3.60 GHz
Geekbench 6 Multi-Core
Multi-core performance
Intel Core i7-2640M
53 %
2C / 4T · 2.80 GHz
Intel Core i7-975
100 %
4C / 8T · 3.33 GHz
Geekbench 5, 64bit Single-Core
Single-core performance
Intel Core i7-2640M
100 %
2C / 4T · 3.50 GHz
Intel Core i7-975
92 %
4C / 8T · 3.60 GHz
Geekbench 5, 64bit Multi-Core
Multi-core performance
Intel Core i7-2640M
58 %
2C / 4T · 2.80 GHz
Intel Core i7-975
100 %
4C / 8T · 3.33 GHz
CPU-Z Benchmark 17 Multi-Core
Multi-core performance
Intel Core i7-2640M
49 %
2C / 4T · 2.80 GHz
Intel Core i7-975
100 %
4C / 8T · 3.33 GHz
More benchmarks
Specifications
At a glance
|
Wischen
|
Intel Core i7-2640M | Intel Core i7-975 |
|---|---|---|
| Family | Intel Core i7 (300) | Intel Core i7 Extreme Edition (24) |
| CPU group | Intel Core i 2000M (46) | Intel Core i7 900 (7) |
| Architecture | Sandy Bridge H | Bloomfield |
| Technology | 32 nm | 45 nm |
| Segment | Notebook | Desktop |
| Socket | BGA 1023 | LGA 1366 |
| Predecessor | ||
| Successor |
CPU Cores and Base Frequency
|
Wischen
|
Intel Core i7-2640M | Intel Core i7-975 |
|---|---|---|
| CPU Cores / Threads | 2 / 4 | 4 / 8 |
| Hyperthreading / SMT | ✓ | ✓ |
| Core architecture | normal | normal |
| Cores: | 2x | 4x |
| Frequency: | 2.80 GHz | 3.33 GHz |
| Turbo (1 Core): | 3.50 GHz | 3.60 GHz |
| Turbo (All Cores): | ||
| L2-Cache | 1.00 MB | |
| L3-Cache | 4.00 MB | 8.00 MB |
| Overclocking | ✗ | ✓ |
Integrated graphics (iGPU)
|
Wischen
|
Intel Core i7-2640M | Intel Core i7-975 |
|---|---|---|
| GPU name | Intel HD Graphics 3000 | no iGPU |
| GPU frequency | 0.65 - 1.30 GHz | |
| CUs / Shader | 12 / 96 | / |
| Raytracing | ✗ | ✗ |
| Max. displays | 2 | |
| Max. GPU Memory | 2 GB | |
| Technology | 32 nm | |
| Release date | Q1/2011 |
NPU AI performance
|
Wischen
|
Intel Core i7-2640M | Intel Core i7-975 |
|---|---|---|
| AI hardware | ||
| AI specifications | ||
| NPU + CPU + iGPU |
Memory & PCIe
|
Wischen
|
Intel Core i7-2640M | Intel Core i7-975 |
|---|---|---|
| Memory | DDR3-1333 (21.3 GB/s) DDR3-1066 (17.1 GB/s) | DDR3-1066 (25.6 GB/s) |
| Max. Memory | 16 GB | 24 GB |
| Memory channels | 2 | 3 |
| ECC | No | No |
| PCIe | 2.0 x 16 | |
| PCIe Bandwidth | 8.0 GB/s |
Thermal Management
|
Wischen
|
Intel Core i7-2640M | Intel Core i7-975 |
|---|---|---|
| TDP | 35 W | 130 W |
| TDP (PL2) | ||
| TDP up | ||
| TDP down | ||
| T. junction max. | 100 °C |
Technical details
|
Wischen
|
Intel Core i7-2640M | Intel Core i7-975 |
|---|---|---|
| Chip design | Monolithic | Monolithic |
| AES-NI | ✓ | ✗ |
| Operating systems | Windows 10, Linux | Windows 10, Linux |
| Instruction set | x86-64 (64 bit) | x86-64 (64 bit) |
| ISA extensions | SSE4.1, SSE4.2, AVX | SSE4.1, SSE4.2 |
| Release date | Q4/2011 | Q4/2008 |
| Release price | 280 $ | 1059 $ |
| 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 i7-2640M is 4.7 stars (13 ratings), while Intel Core i7-975 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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Apple M5 Max (18-CPU 32-GPU)
18C / 18T · 4.61 GHz
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Apple M3 Ultra (28-CPU 60-GPU)
28C / 28T · 4.06 GHz
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Apple M2 Ultra (76-GPU)
24C / 24T · 3.50 GHz
4
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Apple M3 Ultra (32-CPU 80-GPU)
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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
8
Intel Core i7-2640M
2C / 4T · 3.50 GHz
9
Intel Core i7-975
4C / 8T · 3.60 GHz
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