Intel Core 2 Quad Q9400 | Intel Core i7-870 | |
CPU comparisonIntel Core 2 Quad Q9400 or Intel Core i7-870 - 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 2 Quad Q9400 has 4 cores with 4 threads and clocks with a maximum frequency of 2.66 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core 2 Quad Q9400 was released in Q3/2008. The Intel Core i7-870 has 4 cores with 8 threads and clocks with a maximum frequency of 3.60 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core i7-870 was released in Q2/2010. |
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Intel Core2 Quad (19) | Family | Intel Core i7 (298) |
Intel Core 2 Quad Q8000/Q9000 (16) | CPU group | Intel Core i7 800 (6) |
2 | Generation | 1 |
Yorkfield (Penryn) | Architecture | Lynnfield |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core 2 Quad Q9400 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Core 2 Quad Q9400 is 2.66 GHz while the Intel Core i7-870 has 4 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Intel Core i7-870 is at 2.93 GHz (3.60 GHz). |
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Intel Core 2 Quad Q9400 | Characteristic | Intel Core i7-870 |
4 | Cores | 4 |
4 | Threads | 8 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | No |
2.66 GHz | Frequency | 2.93 GHz |
-- | Turbo Frequency (1 Core) | 3.60 GHz |
-- | Turbo Frequency (All Cores) | -- |
Memory & PCIeThe Intel Core 2 Quad Q9400 can use up to 16 GB of memory in 2 memory channels. The maximum memory bandwidth is 17.1 GB/s. The Intel Core i7-870 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 2 Quad Q9400 | Characteristic | Intel Core i7-870 |
DDR3-1066, DDR2-800 | Memory | DDR3-1333 |
16 GB | Max. Memory | 16 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
17.1 GB/s | Max. Bandwidth | 21.3 GB/s |
No | ECC | No |
6.00 MB | L2 Cache | 1.00 MB |
-- | L3 Cache | 8.00 MB |
-- | PCIe version | 2.0 |
-- | PCIe lanes | 16 |
-- | PCIe Bandwidth | 8.0 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Core 2 Quad Q9400 is 95 W, while the Intel Core i7-870 has a TDP of 95 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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Intel Core 2 Quad Q9400 | Characteristic | Intel Core i7-870 |
95 W | TDP (PL1 / PBP) | 95 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe Intel Core 2 Quad Q9400 is manufactured in 45 nm and has 6.00 MB cache. The Intel Core i7-870 is manufactured in 45 nm and has a 9.00 MB cache. |
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Intel Core 2 Quad Q9400 | Characteristic | Intel Core i7-870 |
45 nm | Technology | 45 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
MMX, SSE2, SSE3, SSE4.1 | ISA extensions | SSE4.1, SSE4.2 |
LGA 775 | Socket | LGA 1156 |
VT-x, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
No | AES-NI | No |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q3/2008 | Release date | Q2/2010 |
-- | Release price | -- |
show more data | show more data | |
Intel Core 2 Quad Q9400
4C 4T @ 2.66 GHz |
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Intel Core i7-870
4C 8T @ 3.60 GHz |
Intel Core 2 Quad Q9400
4C 4T @ 2.66 GHz |
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Intel Core i7-870
4C 8T @ 2.93 GHz |
Intel Core 2 Quad Q9400
4C 4T @ 2.66 GHz |
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Intel Core i7-870
4C 8T @ 2.93 GHz |
Intel Core 2 Quad Q9400
4C 4T @ 2.66 GHz |
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Intel Core i7-870
4C 8T @ 2.93 GHz |
Intel Core 2 Quad Q9400
4C 4T @ 2.66 GHz |
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Intel Core i7-870
4C 8T @ 3.60 GHz |
Intel Core 2 Quad Q9400
4C 4T @ 2.66 GHz |
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Intel Core i7-870
4C 8T @ 2.93 GHz |
Intel Core 2 Quad Q9400
4C 4T @ 2.66 GHz |
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Intel Core i7-870
4C 8T @ 2.93 GHz |
Devices using this processor |
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Intel Core 2 Quad Q9400 | Intel Core i7-870 |
Unknown | Unknown |