Intel Core 2 Quad Q9400s | AMD Phenom II X4 940 | |
CPU comparisonIn this CPU comparison, we compare the Intel Core 2 Quad Q9400s and the AMD Phenom II X4 940 and use benchmarks to check which processor is faster.
We compare the Intel Core 2 Quad Q9400s 4 core processor released in Q1/2009 with the AMD Phenom II X4 940 which has 4 CPU cores and was introduced in Q1/2009. |
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Intel Core2 Quad (19) | Family | AMD Phenom II (52) |
Intel Core 2 Quad Q8000/Q9000 (16) | CPU group | AMD Phenom II - 800/900 (23) |
2 | Generation | 4 |
Yorkfield (Penryn) | Architecture | Deneb (K10) |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core 2 Quad Q9400s is a 4 core processor with a clock frequency of 2.66 GHz. The processor can compute 4 threads at the same time. The AMD Phenom II X4 940 clocks with 3.00 GHz, has 4 CPU cores and can calculate 4 threads in parallel. |
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Intel Core 2 Quad Q9400s | Characteristic | AMD Phenom II X4 940 |
4 | Cores | 4 |
4 | Threads | 4 |
normal | Core architecture | normal |
No | Hyperthreading | No |
No | Overclocking ? | Yes |
2.66 GHz | Frequency | 3.00 GHz |
-- | Turbo Frequency (1 Core) | -- |
-- | Turbo Frequency (All Cores) | -- |
Memory & PCIeUp to 16 GB of memory in a maximum of 2 memory channels is supported by the Intel Core 2 Quad Q9400s, while the AMD Phenom II X4 940 supports a maximum of GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled. |
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Intel Core 2 Quad Q9400s | Characteristic | AMD Phenom II X4 940 |
DDR3-1066, DDR2-800 | Memory | DDR3-1333, DDR2-1066 |
16 GB | Max. Memory | |
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 | -- |
-- | L3 Cache | 6.00 MB |
-- | PCIe version | -- |
-- | PCIe lanes | -- |
-- | PCIe Bandwidth | -- |
Thermal ManagementThe Intel Core 2 Quad Q9400s has a TDP of 65 W. The TDP of the AMD Phenom II X4 940 is 125 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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Intel Core 2 Quad Q9400s | Characteristic | AMD Phenom II X4 940 |
65 W | TDP (PL1 / PBP) | 125 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe Intel Core 2 Quad Q9400s has 6.00 MB cache and is manufactured in 45 nm. The cache of AMD Phenom II X4 940 is at 6.00 MB. The processor is manufactured in 45 nm. |
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Intel Core 2 Quad Q9400s | Characteristic | AMD Phenom II X4 940 |
45 nm | Technology | 45 nm |
Monolithic | Chip design | Unknown |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
MMX, SSE2, SSE3, SSE4.1 | ISA extensions | SSE3, SSE4a |
LGA 775 | Socket | AM2+ |
VT-x, VT-d | Virtualization | AMD-V |
No | AES-NI | No |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q1/2009 | Release date | Q1/2009 |
-- | Release price | -- |
show more data | show more data | |
Intel Core 2 Quad Q9400s
4C 4T @ 2.66 GHz |
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AMD Phenom II X4 940
4C 4T @ 3.00 GHz |
Intel Core 2 Quad Q9400s
4C 4T @ 2.66 GHz |
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AMD Phenom II X4 940
4C 4T @ 3.00 GHz |
Intel Core 2 Quad Q9400s
4C 4T @ 2.66 GHz |
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AMD Phenom II X4 940
4C 4T @ 3.00 GHz |
Intel Core 2 Quad Q9400s
4C 4T @ 2.66 GHz |
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AMD Phenom II X4 940
4C 4T @ 3.00 GHz |
Intel Core 2 Quad Q9400s
4C 4T @ 2.66 GHz |
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AMD Phenom II X4 940
4C 4T @ 3.00 GHz |
Intel Core 2 Quad Q9400s
4C 4T @ 2.66 GHz |
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AMD Phenom II X4 940
4C 4T @ 3.00 GHz |
Intel Core 2 Quad Q9400s
4C 4T @ 2.66 GHz |
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AMD Phenom II X4 940
4C 4T @ 3.00 GHz |
Devices using this processor |
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Intel Core 2 Quad Q9400s | AMD Phenom II X4 940 |
Unknown | Unknown |