Intel Core2 Duo E6400 | Intel Xeon E3-1270 | |
CPU comparisonIn this CPU comparison, we compare the Intel Core2 Duo E6400 and the Intel Xeon E3-1270 and use benchmarks to check which processor is faster.
We compare the Intel Core2 Duo E6400 2 core processor released in Q3/2006 with the Intel Xeon E3-1270 which has 4 CPU cores and was introduced in Q2/2011. |
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Intel Core2 Duo (29) | Family | Intel Xeon E3 (43) |
Intel Core 2 Duo E4000/E6000 (15) | CPU group | Intel Xeon E3 (1) |
1 | Generation | 2 |
Conroe (Core) | Architecture | Sandy-Bridge |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Core2 Duo E6400 is a 2 core processor with a clock frequency of 2.13 GHz. The processor can compute 2 threads at the same time. The Intel Xeon E3-1270 clocks with 3.40 GHz (3.80 GHz), has 4 CPU cores and can calculate 8 threads in parallel. |
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Intel Core2 Duo E6400 | Characteristic | Intel Xeon E3-1270 |
2 | Cores | 4 |
2 | Threads | 8 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
Yes | Overclocking ? | No |
2.13 GHz | Frequency | 3.40 GHz |
-- | Turbo Frequency (1 Core) | 3.80 GHz |
-- | Turbo Frequency (All Cores) | 3.60 GHz |
Memory & PCIeUp to 16 GB of memory in a maximum of 2 memory channels is supported by the Intel Core2 Duo E6400, while the Intel Xeon E3-1270 supports a maximum of 32 GB of memory with a maximum memory bandwidth of 21.3 GB/s enabled. |
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Intel Core2 Duo E6400 | Characteristic | Intel Xeon E3-1270 |
DDR3-1333, DDR2-1066 | Memory | DDR3-1333 |
16 GB | Max. Memory | 32 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
21.3 GB/s | Max. Bandwidth | 21.3 GB/s |
No | ECC | Yes |
2.00 MB | L2 Cache | -- |
-- | L3 Cache | 8.00 MB |
-- | PCIe version | 2.0 |
-- | PCIe lanes | 20 |
-- | PCIe Bandwidth | 10.0 GB/s |
Thermal ManagementThe Intel Core2 Duo E6400 has a TDP of 65 W. The TDP of the Intel Xeon E3-1270 is 80 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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Intel Core2 Duo E6400 | Characteristic | Intel Xeon E3-1270 |
65 W | TDP (PL1 / PBP) | 80 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe Intel Core2 Duo E6400 has 2.00 MB cache and is manufactured in 65 nm. The cache of Intel Xeon E3-1270 is at 8.00 MB. The processor is manufactured in 32 nm. |
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Intel Core2 Duo E6400 | Characteristic | Intel Xeon E3-1270 |
65 nm | Technology | 32 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
MMX, SSE, SSE2, SSE3 | ISA extensions | SSE4.1, SSE4.2, AVX |
LGA 775 | Socket | LGA 1155 |
VT-x | Virtualization | VT-x, VT-x EPT, VT-d |
No | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q3/2006 | Release date | Q2/2011 |
-- | Release price | 339 $ |
show more data | show more data | |
Intel Core2 Duo E6400
2C 2T @ 2.13 GHz |
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Intel Xeon E3-1270
4C 8T @ 3.60 GHz |
Intel Core2 Duo E6400
2C 2T @ 2.13 GHz |
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Intel Xeon E3-1270
4C 8T @ 3.80 GHz |
Intel Core2 Duo E6400
2C 2T @ 2.13 GHz |
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Intel Xeon E3-1270
4C 8T @ 3.60 GHz |
Intel Core2 Duo E6400
2C 2T @ 2.13 GHz |
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Intel Xeon E3-1270
4C 8T @ 3.40 GHz |
Intel Core2 Duo E6400
2C 2T @ 2.13 GHz |
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Intel Xeon E3-1270
4C 8T @ 3.80 GHz |
Intel Core2 Duo E6400
2C 2T @ 2.13 GHz |
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Intel Xeon E3-1270
4C 8T @ 3.60 GHz |
Devices using this processor |
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Intel Core2 Duo E6400 | Intel Xeon E3-1270 |
Unknown | Unknown |