Intel Core2 Duo E8400 | Intel Xeon W-2155 | |
CPU comparisonIntel Core2 Duo E8400 or Intel Xeon W-2155 - 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 Core2 Duo E8400 has 2 cores with 2 threads and clocks with a maximum frequency of 3.00 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core2 Duo E8400 was released in Q1/2008. The Intel Xeon W-2155 has 10 cores with 20 threads and clocks with a maximum frequency of 4.50 GHz. The CPU supports up to 512 GB of memory in 4 memory channels. The Intel Xeon W-2155 was released in Q3/2017. |
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Intel Core2 Duo (29) | Family | Intel Xeon W (83) |
Intel Core 2 Duo E7000/E8000 (14) | CPU group | Intel Xeon W-2100/3100 (15) |
2 | Generation | 6 |
Wolfdale (Penryn) | Architecture | Skylake W |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | Intel Xeon W-2255 |
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CPU Cores and Base FrequencyThe Intel Core2 Duo E8400 is a 2 core processor with a clock frequency of 3.00 GHz. The Intel Xeon W-2155 has 10 CPU cores with a clock frequency of 3.30 GHz (4.50 GHz). |
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Intel Core2 Duo E8400 | Characteristic | Intel Xeon W-2155 |
2 | Cores | 10 |
2 | Threads | 20 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
Yes | Overclocking ? | No |
3.00 GHz | Frequency | 3.30 GHz |
-- | Turbo Frequency (1 Core) | 4.50 GHz |
-- | Turbo Frequency (All Cores) | 4.00 GHz |
Memory & PCIeThe Intel Core2 Duo E8400 supports a maximum of 16 GB of memory in 2 memory channels. The Intel Xeon W-2155 can connect up to 512 GB of memory in 4 memory channels. |
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Intel Core2 Duo E8400 | Characteristic | Intel Xeon W-2155 |
DDR3-1333, DDR2-1066 | Memory | DDR4-2666 |
16 GB | Max. Memory | 512 GB |
2 (Dual Channel) | Memory channels | 4 (Quad Channel) |
21.3 GB/s | Max. Bandwidth | 85.4 GB/s |
No | ECC | Yes |
6.00 MB | L2 Cache | -- |
-- | L3 Cache | 13.75 MB |
-- | PCIe version | 3.0 |
-- | PCIe lanes | 48 |
-- | PCIe Bandwidth | 47.3 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core2 Duo E8400 has a TDP of 65 W, that of the Intel Xeon W-2155 is 140 W. |
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Intel Core2 Duo E8400 | Characteristic | Intel Xeon W-2155 |
65 W | TDP (PL1 / PBP) | 140 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe Intel Core2 Duo E8400 has a 6.00 MB cache, while the Intel Xeon W-2155 cache has a total of 13.75 MB. |
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Intel Core2 Duo E8400 | Characteristic | Intel Xeon W-2155 |
45 nm | Technology | 14 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
MMX, SSE, SSE2, SSE3, SSE 4.1 | ISA extensions | SSE4.1, SSE4.2, AVX2, AVX-512 |
LGA 775 | Socket | LGA 2066 |
VT-x | Virtualization | VT-x, VT-x EPT, VT-d |
No | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q1/2008 | Release date | Q3/2017 |
-- | Release price | 1440 $ |
show more data | show more data | |
Intel Core2 Duo E8400
2C 2T @ 3.00 GHz |
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Intel Xeon W-2155
10C 20T @ 4.50 GHz |
Intel Core2 Duo E8400
2C 2T @ 3.00 GHz |
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Intel Xeon W-2155
10C 20T @ 4.00 GHz |
Intel Core2 Duo E8400
2C 2T @ 3.00 GHz |
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Intel Xeon W-2155
10C 20T @ 4.00 GHz |
Intel Core2 Duo E8400
2C 2T @ 3.00 GHz |
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Intel Xeon W-2155
10C 20T @ 4.50 GHz |
Intel Core2 Duo E8400
2C 2T @ 3.00 GHz |
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Intel Xeon W-2155
10C 20T @ 4.00 GHz |
Intel Core2 Duo E8400
2C 2T @ 3.00 GHz |
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Intel Xeon W-2155
10C 20T @ 4.00 GHz |
Intel Core2 Duo E8400
2C 2T @ 3.00 GHz |
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Intel Xeon W-2155
10C 20T @ 3.30 GHz |
Intel Core2 Duo E8400
2C 2T @ 3.00 GHz |
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Intel Xeon W-2155
10C 20T @ 4.50 GHz |
Intel Core2 Duo E8400
2C 2T @ 3.00 GHz |
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Intel Xeon W-2155
10C 20T @ 4.00 GHz |
Devices using this processor |
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Intel Core2 Duo E8400 | Intel Xeon W-2155 |
Unknown | Unknown |