Intel Core i7-4820K | Intel Core 2 Extreme QX6700 | |
CPU comparisonIntel Core i7-4820K or Intel Core 2 Extreme QX6700 - 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 i7-4820K has 4 cores with 8 threads and clocks with a maximum frequency of 3.90 GHz. Up to 64 GB of memory is supported in 4 memory channels. The Intel Core i7-4820K was released in Q3/2013. The Intel Core 2 Extreme QX6700 has 4 cores with 4 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 Core 2 Extreme QX6700 was released in Q4/2006. |
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Intel Core i7 Extreme Edition (24) | Family | Intel Core2 Extreme (7) |
Intel Core i 4000X (3) | CPU group | Intel Core 2 Extreme QX6000 (3) |
4 | Generation | 1 |
Ivy Bridge E | Architecture | Kentsfield (Core) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
Intel Core i7-5820K | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core i7-4820K is a 4 core processor with a clock frequency of 3.70 GHz (3.90 GHz). The Intel Core 2 Extreme QX6700 has 4 CPU cores with a clock frequency of 2.66 GHz. |
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Intel Core i7-4820K | Characteristic | Intel Core 2 Extreme QX6700 |
4 | Cores | 4 |
8 | Threads | 4 |
normal | Core architecture | normal |
Yes | Hyperthreading | No |
Yes | Overclocking ? | Yes |
3.70 GHz | Frequency | 2.66 GHz |
3.90 GHz | Turbo Frequency (1 Core) | -- |
3.80 GHz | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe Intel Core i7-4820K supports a maximum of 64 GB of memory in 4 memory channels. The Intel Core 2 Extreme QX6700 can connect up to 16 GB of memory in 2 memory channels. |
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Intel Core i7-4820K | Characteristic | Intel Core 2 Extreme QX6700 |
DDR3-1866 | Memory | DDR3-1066, DDR2-800 |
64 GB | Max. Memory | 16 GB |
4 (Quad Channel) | Memory channels | 2 (Dual Channel) |
59.7 GB/s | Max. Bandwidth | 17.1 GB/s |
No | ECC | No |
-- | L2 Cache | 8.00 MB |
10.00 MB | L3 Cache | -- |
3.0 | PCIe version | -- |
40 | PCIe lanes | -- |
39.4 GB/s | PCIe Bandwidth | -- |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i7-4820K has a TDP of 130 W, that of the Intel Core 2 Extreme QX6700 is 130 W. |
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Intel Core i7-4820K | Characteristic | Intel Core 2 Extreme QX6700 |
130 W | TDP (PL1 / PBP) | 130 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe Intel Core i7-4820K has a 10.00 MB cache, while the Intel Core 2 Extreme QX6700 cache has a total of 8.00 MB. |
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Intel Core i7-4820K | Characteristic | Intel Core 2 Extreme QX6700 |
22 nm | Technology | 65 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX | ISA extensions | MMX, SSE2, SSE3 |
LGA 2011 | 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 |
Q3/2013 | Release date | Q4/2006 |
280 $ | Release price | -- |
show more data | show more data | |
Intel Core i7-4820K
4C 8T @ 3.90 GHz |
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Intel Core 2 Extreme QX6700
4C 4T @ 2.66 GHz |
Intel Core i7-4820K
4C 8T @ 3.80 GHz |
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Intel Core 2 Extreme QX6700
4C 4T @ 2.66 GHz |
Intel Core i7-4820K
4C 8T @ 3.80 GHz |
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Intel Core 2 Extreme QX6700
4C 4T @ 2.66 GHz |
Intel Core i7-4820K
4C 8T @ 3.90 GHz |
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Intel Core 2 Extreme QX6700
4C 4T @ 2.66 GHz |
Intel Core i7-4820K
4C 8T @ 3.80 GHz |
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Intel Core 2 Extreme QX6700
4C 4T @ 2.66 GHz |
Intel Core i7-4820K
4C 8T @ 3.70 GHz |
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Intel Core 2 Extreme QX6700
4C 4T @ 2.66 GHz |
Intel Core i7-4820K
4C 8T @ 3.90 GHz |
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Intel Core 2 Extreme QX6700
4C 4T @ 2.66 GHz |
Intel Core i7-4820K
4C 8T @ 3.80 GHz |
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Intel Core 2 Extreme QX6700
4C 4T @ 2.66 GHz |
Devices using this processor |
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Intel Core i7-4820K | Intel Core 2 Extreme QX6700 |
Unknown | Unknown |