Intel Core i7-940 | Intel Core2 Duo E6750 | |
CPU comparisonIntel Core i7-940 or Intel Core2 Duo E6750 - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.
The Intel Core i7-940 has 4 cores with 8 threads and clocks with a maximum frequency of 3.20 GHz. Up to 24 GB of memory is supported in 3 memory channels. The Intel Core i7-940 was released in Q4/2008. The Intel Core2 Duo E6750 has 2 cores with 2 threads and clocks with a maximum frequency of 2.66 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core2 Duo E6750 was released in Q3/2007. |
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Intel Core i7 (298) | Family | Intel Core2 Duo (29) |
Intel Core i7 900 (7) | CPU group | Intel Core 2 Duo E4000/E6000 (15) |
1 | Generation | 1 |
Bloomfield | Architecture | Conroe (Core) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i7-940 has 4 CPU cores and can calculate 8 threads in parallel. The clock frequency of the Intel Core i7-940 is 2.93 GHz (3.20 GHz) while the Intel Core2 Duo E6750 has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the Intel Core2 Duo E6750 is at 2.66 GHz. |
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Intel Core i7-940 | Characteristic | Intel Core2 Duo E6750 |
4 | Cores | 2 |
8 | Threads | 2 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
No | Overclocking ? | Yes |
2.93 GHz | Frequency | 2.66 GHz |
3.20 GHz | Turbo Frequency (1 Core) | -- |
-- | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe Intel Core i7-940 can use up to 24 GB of memory in 3 memory channels. The maximum memory bandwidth is 25.6 GB/s. The Intel Core2 Duo E6750 supports up to 16 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 21.3 GB/s. |
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Intel Core i7-940 | Characteristic | Intel Core2 Duo E6750 |
DDR3-1066 | Memory | DDR3-1333, DDR2-1066 |
24 GB | Max. Memory | 16 GB |
3 | Memory channels | 2 (Dual Channel) |
25.6 GB/s | Max. Bandwidth | 21.3 GB/s |
No | ECC | No |
1.00 MB | L2 Cache | 4.00 MB |
8.00 MB | L3 Cache | -- |
-- | PCIe version | -- |
-- | PCIe lanes | -- |
-- | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core i7-940 is 130 W, while the Intel Core2 Duo E6750 has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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Intel Core i7-940 | Characteristic | Intel Core2 Duo E6750 |
130 W | TDP (PL1 / PBP) | 65 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe Intel Core i7-940 is manufactured in 45 nm and has 9.00 MB cache. The Intel Core2 Duo E6750 is manufactured in 65 nm and has a 4.00 MB cache. |
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Intel Core i7-940 | Characteristic | Intel Core2 Duo E6750 |
45 nm | Technology | 65 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2 | ISA extensions | MMX, SSE, SSE2, SSE3 |
LGA 1366 | Socket | LGA 775 |
VT-x, VT-x EPT | Virtualization | VT-x |
No | AES-NI | No |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q4/2008 | Release date | Q3/2007 |
305 $ | Release price | -- |
show more data | show more data | |
Intel Core i7-940
4C 8T @ 3.20 GHz |
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Intel Core2 Duo E6750
2C 2T @ 2.66 GHz |
Intel Core i7-940
4C 8T @ 2.93 GHz |
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Intel Core2 Duo E6750
2C 2T @ 2.66 GHz |
Intel Core i7-940
4C 8T @ 2.93 GHz |
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Intel Core2 Duo E6750
2C 2T @ 2.66 GHz |
Intel Core i7-940
4C 8T @ 3.20 GHz |
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Intel Core2 Duo E6750
2C 2T @ 2.66 GHz |
Intel Core i7-940
4C 8T @ 2.93 GHz |
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Intel Core2 Duo E6750
2C 2T @ 2.66 GHz |
Intel Core i7-940
4C 8T @ 2.93 GHz |
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Intel Core2 Duo E6750
2C 2T @ 2.66 GHz |
Devices using this processor |
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Intel Core i7-940 | Intel Core2 Duo E6750 |
Unknown | Unknown |