Intel Xeon E3-1275 v6 | Intel Pentium 4405U | |
CPU comparisonIntel Xeon E3-1275 v6 or Intel Pentium 4405U - 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 Xeon E3-1275 v6 has 4 cores with 8 threads and clocks with a maximum frequency of 4.20 GHz. Up to 64 GB of memory is supported in 2 memory channels. The Intel Xeon E3-1275 v6 was released in Q1/2017. The Intel Pentium 4405U has 2 cores with 4 threads and clocks with a maximum frequency of 2.10 GHz. The CPU supports up to 32 GB of memory in 2 memory channels. The Intel Pentium 4405U was released in Q3/2015. |
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Intel Xeon E3 (43) | Family | Intel Pentium (150) |
Intel Xeon E3 v6 (10) | CPU group | Intel Pentium 4000 (2) |
6 | Generation | 6 |
Kaby Lake S | Architecture | Skylake U |
Desktop / Server | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Xeon E3-1275 v6 has 4 CPU cores and can calculate 8 threads in parallel. The clock frequency of the Intel Xeon E3-1275 v6 is 3.80 GHz (4.20 GHz) while the Intel Pentium 4405U has 2 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Pentium 4405U is at 2.10 GHz. |
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Intel Xeon E3-1275 v6 | Characteristic | Intel Pentium 4405U |
4 | Cores | 2 |
8 | Threads | 4 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | No |
3.80 GHz | Frequency | 2.10 GHz |
4.20 GHz | Turbo Frequency (1 Core) | -- |
4.00 GHz | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)The Intel Xeon E3-1275 v6 or Intel Pentium 4405U has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
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Intel HD Graphics P630 | GPU | Intel HD Graphics 510 |
0.35 GHz | GPU frequency | 0.30 GHz |
1.15 GHz | GPU (Turbo) | 0.95 GHz |
9.5 | GPU Generation | 9 |
14 nm | Technology | 14 nm |
3 | Max. displays | 3 |
24 | Compute units | 12 |
192 | Shader | 96 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
64 GB | Max. GPU Memory | 32 GB |
12 | DirectX Version | 12.0 |
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 HD Graphics P630 | GPU | Intel HD Graphics 510 |
Decode / Encode | Codec h265 / HEVC (8 bit) | Decode / Encode |
Decode / Encode | Codec h265 / HEVC (10 bit) | Decode |
Decode / Encode | Codec h264 | Decode / Encode |
Decode / Encode | Codec VP9 | Decode |
Decode / Encode | Codec VP8 | Decode / Encode |
No | Codec AV1 | No |
Decode / Encode | Codec AVC | Decode / Encode |
Decode | Codec VC-1 | Decode |
Decode / Encode | Codec JPEG | Decode |
Memory & PCIeThe Intel Xeon E3-1275 v6 can use up to 64 GB of memory in 2 memory channels. The maximum memory bandwidth is 38.4 GB/s. The Intel Pentium 4405U supports up to 32 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 34.1 GB/s. |
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Intel Xeon E3-1275 v6 | Characteristic | Intel Pentium 4405U |
DDR4-2400 | Memory | DDR4-2133 |
64 GB | Max. Memory | 32 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
38.4 GB/s | Max. Bandwidth | 34.1 GB/s |
Yes | ECC | No |
-- | L2 Cache | -- |
8.00 MB | L3 Cache | 2.00 MB |
3.0 | PCIe version | 2.0 |
16 | PCIe lanes | 10 |
15.8 GB/s | PCIe Bandwidth | 5.0 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the Intel Xeon E3-1275 v6 is 73 W, while the Intel Pentium 4405U has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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Intel Xeon E3-1275 v6 | Characteristic | Intel Pentium 4405U |
73 W | TDP (PL1 / PBP) | 15 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | -- |
Technical detailsThe Intel Xeon E3-1275 v6 is manufactured in 14 nm and has 8.00 MB cache. The Intel Pentium 4405U is manufactured in 14 nm and has a 2.00 MB cache. |
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Intel Xeon E3-1275 v6 | Characteristic | Intel Pentium 4405U |
14 nm | Technology | 14 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 |
LGA 1151 | Socket | BGA 1356 |
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 |
Q1/2017 | Release date | Q3/2015 |
-- | Release price | -- |
show more data | show more data | |
Intel Xeon E3-1275 v6
4C 8T @ 4.20 GHz |
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Intel Pentium 4405U
2C 4T @ 2.10 GHz |
Intel Xeon E3-1275 v6
4C 8T @ 4.00 GHz |
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Intel Pentium 4405U
2C 4T @ 2.10 GHz |
Intel Xeon E3-1275 v6
4C 8T @ 4.20 GHz |
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Intel Pentium 4405U
2C 4T @ 2.10 GHz |
Intel Xeon E3-1275 v6
4C 8T @ 4.00 GHz |
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Intel Pentium 4405U
2C 4T @ 2.10 GHz |
Intel Xeon E3-1275 v6
Intel HD Graphics P630 @ 1.15 GHz |
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Intel Pentium 4405U
Intel HD Graphics 510 @ 0.95 GHz |
Intel Xeon E3-1275 v6
4C 8T @ 4.00 GHz |
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Intel Pentium 4405U
2C 4T @ 2.10 GHz |
Intel Xeon E3-1275 v6
4C 8T @ 4.20 GHz |
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Intel Pentium 4405U
2C 4T @ 2.10 GHz |
Intel Xeon E3-1275 v6
4C 8T @ 4.00 GHz |
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Intel Pentium 4405U
2C 4T @ 2.10 GHz |
Devices using this processor |
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Intel Xeon E3-1275 v6 | Intel Pentium 4405U |
Unknown | Unknown |