Intel Core i7-4578U | Intel Xeon E5-2667 v2 | |
CPU comparisonIntel Core i7-4578U or Intel Xeon E5-2667 v2 - 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 i7-4578U has 2 cores with 4 threads and clocks with a maximum frequency of 3.50 GHz. Up to 16 GB of memory is supported in 2 memory channels. The Intel Core i7-4578U was released in Q3/2014. The Intel Xeon E5-2667 v2 has 8 cores with 16 threads and clocks with a maximum frequency of 4.00 GHz. The CPU supports up to 768 GB of memory in 4 memory channels. The Intel Xeon E5-2667 v2 was released in Q3/2013. |
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Intel Core i7 (298) | Family | Intel Xeon E5 (71) |
Intel Core i 4000U (26) | CPU group | Intel Xeon E5 v2 (15) |
4 | Generation | 4 |
Haswell U | Architecture | Ivy Bridge EP |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | Intel Xeon E5-2667 v3 |
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CPU Cores and Base FrequencyThe Intel Core i7-4578U is a 2 core processor with a clock frequency of 3.00 GHz (3.50 GHz). The Intel Xeon E5-2667 v2 has 8 CPU cores with a clock frequency of 3.30 GHz (4.00 GHz). |
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Intel Core i7-4578U | Characteristic | Intel Xeon E5-2667 v2 |
2 | Cores | 8 |
4 | Threads | 16 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | No |
3.00 GHz | Frequency | 3.30 GHz |
3.50 GHz | Turbo Frequency (1 Core) | 4.00 GHz |
-- | Turbo Frequency (All Cores) | 3.60 GHz |
Integrated graphics (iGPU)The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs. |
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Intel Iris Graphics 5100 | GPU | no iGPU |
0.20 GHz | GPU frequency | -- |
1.20 GHz | GPU (Turbo) | -- |
7.5 | GPU Generation | -- |
22 nm | Technology | |
3 | Max. displays | |
40 | Compute units | -- |
320 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
16 GB | Max. GPU Memory | -- |
11.1 | DirectX Version | -- |
Hardware codec supportA photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos. |
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Intel Iris Graphics 5100 | GPU | no iGPU |
No | Codec h265 / HEVC (8 bit) | No |
No | Codec h265 / HEVC (10 bit) | No |
Decode / Encode | Codec h264 | No |
No | Codec VP9 | No |
No | Codec VP8 | No |
No | Codec AV1 | No |
Decode / Encode | Codec AVC | No |
Decode | Codec VC-1 | No |
Decode | Codec JPEG | No |
Memory & PCIeThe Intel Core i7-4578U supports a maximum of 16 GB of memory in 2 memory channels. The Intel Xeon E5-2667 v2 can connect up to 768 GB of memory in 4 memory channels. |
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Intel Core i7-4578U | Characteristic | Intel Xeon E5-2667 v2 |
LPDDR3-1333, LPDDR3-1600, DDR3L-1333, DDR3L-1600 | Memory | DDR3-1866 |
16 GB | Max. Memory | 768 GB |
2 (Dual Channel) | Memory channels | 4 (Quad Channel) |
25.6 GB/s | Max. Bandwidth | 59.7 GB/s |
No | ECC | Yes |
-- | L2 Cache | -- |
4.00 MB | L3 Cache | 25.00 MB |
2.0 | PCIe version | 3.0 |
12 | PCIe lanes | 40 |
6.0 GB/s | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i7-4578U has a TDP of 28 W, that of the Intel Xeon E5-2667 v2 is 130 W. |
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Intel Core i7-4578U | Characteristic | Intel Xeon E5-2667 v2 |
28 W | TDP (PL1 / PBP) | 130 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe Intel Core i7-4578U has a 4.00 MB cache, while the Intel Xeon E5-2667 v2 cache has a total of 25.00 MB. |
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Intel Core i7-4578U | Characteristic | Intel Xeon E5-2667 v2 |
22 nm | Technology | 22 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2 | ISA extensions | SSE4.1, SSE4.2, AVX |
BGA 1168 | Socket | LGA 2011 |
VT-x, VT-x EPT, VT-d | Virtualization | VT-x, VT-x EPT, VT-d |
Yes | AES-NI | Yes |
Windows 10, Linux | Operating systems | Windows 10, Linux |
Q3/2014 | Release date | Q3/2013 |
345 $ | Release price | 1700 $ |
show more data | show more data | |
Intel Core i7-4578U
2C 4T @ 3.50 GHz |
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Intel Xeon E5-2667 v2
8C 16T @ 4.00 GHz |
Intel Core i7-4578U
2C 4T @ 3.00 GHz |
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Intel Xeon E5-2667 v2
8C 16T @ 3.60 GHz |
Intel Core i7-4578U
2C 4T @ 3.50 GHz |
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Intel Xeon E5-2667 v2
8C 16T @ 4.00 GHz |
Intel Core i7-4578U
2C 4T @ 3.00 GHz |
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Intel Xeon E5-2667 v2
8C 16T @ 3.60 GHz |
Intel Core i7-4578U
2C 4T @ 3.00 GHz |
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Intel Xeon E5-2667 v2
8C 16T @ 3.60 GHz |
Intel Core i7-4578U
Intel Iris Graphics 5100 @ 1.20 GHz |
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Intel Xeon E5-2667 v2
@ 0.00 GHz |
Intel Core i7-4578U
2C 4T @ 3.00 GHz |
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Intel Xeon E5-2667 v2
8C 16T @ 3.30 GHz |
Intel Core i7-4578U
2C 4T @ 3.50 GHz |
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Intel Xeon E5-2667 v2
8C 16T @ 4.00 GHz |
Intel Core i7-4578U
2C 4T @ 3.00 GHz |
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Intel Xeon E5-2667 v2
8C 16T @ 3.60 GHz |
Devices using this processor |
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Intel Core i7-4578U | Intel Xeon E5-2667 v2 |
Unknown | Unknown |