Intel Core i9-7940X | Intel Core2 Duo E6700 | |
CPU comparisonIntel Core i9-7940X or Intel Core2 Duo E6700 - 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 i9-7940X has 14 cores with 28 threads and clocks with a maximum frequency of 4.30 GHz. Up to 128 GB of memory is supported in 4 memory channels. The Intel Core i9-7940X was released in Q4/2017. The Intel Core2 Duo E6700 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 E6700 was released in Q3/2006. |
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Intel Core i9 (78) | Family | Intel Core2 Duo (29) |
Intel Core i 7000X (9) | CPU group | Intel Core 2 Duo E4000/E6000 (15) |
7 | Generation | 1 |
Skylake X | Architecture | Conroe (Core) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
Intel Core i9-9940X | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i9-7940X has 14 CPU cores and can calculate 28 threads in parallel. The clock frequency of the Intel Core i9-7940X is 3.10 GHz (4.30 GHz) while the Intel Core2 Duo E6700 has 2 CPU cores and 2 threads can calculate simultaneously. The clock frequency of the Intel Core2 Duo E6700 is at 2.66 GHz. |
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Intel Core i9-7940X | Characteristic | Intel Core2 Duo E6700 |
14 | Cores | 2 |
28 | Threads | 2 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
Yes | Overclocking ? | Yes |
3.10 GHz | Frequency | 2.66 GHz |
4.30 GHz | Turbo Frequency (1 Core) | -- |
3.70 GHz | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe Intel Core i9-7940X can use up to 128 GB of memory in 4 memory channels. The maximum memory bandwidth is 85.4 GB/s. The Intel Core2 Duo E6700 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 i9-7940X | Characteristic | Intel Core2 Duo E6700 |
DDR4-2666 | Memory | DDR3-1333, DDR2-1066 |
128 GB | Max. Memory | 16 GB |
4 (Quad Channel) | Memory channels | 2 (Dual Channel) |
85.4 GB/s | Max. Bandwidth | 21.3 GB/s |
No | ECC | No |
-- | L2 Cache | 4.00 MB |
19.00 MB | L3 Cache | -- |
3.0 | PCIe version | -- |
44 | PCIe lanes | -- |
43.3 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core i9-7940X is 165 W, while the Intel Core2 Duo E6700 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 i9-7940X | Characteristic | Intel Core2 Duo E6700 |
165 W | TDP (PL1 / PBP) | 65 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe Intel Core i9-7940X is manufactured in 14 nm and has 19.00 MB cache. The Intel Core2 Duo E6700 is manufactured in 65 nm and has a 4.00 MB cache. |
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Intel Core i9-7940X | Characteristic | Intel Core2 Duo E6700 |
14 nm | Technology | 65 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2, AVX-512 | ISA extensions | MMX, SSE, SSE2, SSE3 |
LGA 2066 | Socket | LGA 775 |
VT-x, VT-x EPT, VT-d | Virtualization | VT-x |
Yes | AES-NI | No |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q4/2017 | Release date | Q3/2006 |
1399 $ | Release price | -- |
show more data | show more data | |
Intel Core i9-7940X
14C 28T @ 4.30 GHz |
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Intel Core2 Duo E6700
2C 2T @ 2.66 GHz |
Intel Core i9-7940X
14C 28T @ 3.70 GHz |
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Intel Core2 Duo E6700
2C 2T @ 2.66 GHz |
Intel Core i9-7940X
14C 28T @ 3.70 GHz |
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Intel Core2 Duo E6700
2C 2T @ 2.66 GHz |
Intel Core i9-7940X
14C 28T @ 4.30 GHz |
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Intel Core2 Duo E6700
2C 2T @ 2.66 GHz |
Intel Core i9-7940X
14C 28T @ 3.70 GHz |
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Intel Core2 Duo E6700
2C 2T @ 2.66 GHz |
Intel Core i9-7940X
14C 28T @ 3.70 GHz |
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Intel Core2 Duo E6700
2C 2T @ 2.66 GHz |
Intel Core i9-7940X
14C 28T @ 4.30 GHz |
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Intel Core2 Duo E6700
2C 2T @ 2.66 GHz |
Intel Core i9-7940X
14C 28T @ 3.70 GHz |
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Intel Core2 Duo E6700
2C 2T @ 2.66 GHz |
Devices using this processor |
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Intel Core i9-7940X | Intel Core2 Duo E6700 |
Unknown | Unknown |