Intel Core i5-6400 | Intel Core i5-9400T | |
CPU comparisonIn this CPU comparison, we compare the Intel Core i5-6400 and the Intel Core i5-9400T and use benchmarks to check which processor is faster.
We compare the Intel Core i5-6400 4 core processor released in Q3/2015 with the Intel Core i5-9400T which has 6 CPU cores and was introduced in Q2/2019. |
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Intel Core i5 (331) | Family | Intel Core i5 (331) |
Intel Core i 6000 (24) | CPU group | Intel Core i 9000 (34) |
6 | Generation | 9 |
Skylake S | Architecture | Coffee Lake S Refresh |
Desktop / Server | Segment | Desktop / Server |
-- | Predecessor | Intel Core i5-8400T |
Intel Core i5-7400 | Successor | Intel Core i5-10400T |
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CPU Cores and Base FrequencyThe Intel Core i5-6400 is a 4 core processor with a clock frequency of 2.70 GHz (3.30 GHz). The processor can compute 4 threads at the same time. The Intel Core i5-9400T clocks with 1.80 GHz (3.40 GHz), has 6 CPU cores and can calculate 6 threads in parallel. |
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Intel Core i5-6400 | Characteristic | Intel Core i5-9400T |
4 | Cores | 6 |
4 | Threads | 6 |
normal | Core architecture | normal |
No | Hyperthreading | No |
No | Overclocking ? | No |
2.70 GHz | Frequency | 1.80 GHz |
3.30 GHz | Turbo Frequency (1 Core) | 3.40 GHz |
3.00 GHz | Turbo Frequency (All Cores) | 2.80 GHz |
Integrated graphics (iGPU)Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback. |
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Intel HD Graphics 530 | GPU | Intel UHD Graphics 630 |
0.35 GHz | GPU frequency | 0.35 GHz |
1.15 GHz | GPU (Turbo) | 1.05 GHz |
9 | GPU Generation | 9.5 |
14 nm | Technology | 14 nm |
3 | Max. displays | 3 |
24 | Compute units | 24 |
192 | Shader | 192 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
32 GB | Max. GPU Memory | 64 GB |
12 | DirectX Version | 12 |
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 530 | GPU | Intel UHD Graphics 630 |
Decode / Encode | Codec h265 / HEVC (8 bit) | Decode / Encode |
Decode | Codec h265 / HEVC (10 bit) | Decode / Encode |
Decode / Encode | Codec h264 | Decode / Encode |
Decode | Codec VP9 | Decode / Encode |
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 / Encode |
Memory & PCIeUp to 64 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i5-6400, while the Intel Core i5-9400T supports a maximum of 128 GB of memory with a maximum memory bandwidth of 42.7 GB/s enabled. |
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Intel Core i5-6400 | Characteristic | Intel Core i5-9400T |
DDR4-2133, DDR3-1600 | Memory | DDR4-2666 |
64 GB | Max. Memory | 128 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
34.1 GB/s | Max. Bandwidth | 42.7 GB/s |
No | ECC | No |
-- | L2 Cache | -- |
6.00 MB | L3 Cache | 9.00 MB |
3.0 | PCIe version | 3.0 |
16 | PCIe lanes | 16 |
15.8 GB/s | PCIe Bandwidth | 15.8 GB/s |
Thermal ManagementThe Intel Core i5-6400 has a TDP of 65 W. The TDP of the Intel Core i5-9400T is 35 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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Intel Core i5-6400 | Characteristic | Intel Core i5-9400T |
65 W | TDP (PL1 / PBP) | 35 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
-- | Tjunction max. | 100 °C |
Technical detailsThe Intel Core i5-6400 has 6.00 MB cache and is manufactured in 14 nm. The cache of Intel Core i5-9400T is at 9.00 MB. The processor is manufactured in 14 nm. |
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Intel Core i5-6400 | Characteristic | Intel Core i5-9400T |
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, AVX2 |
LGA 1151 | Socket | LGA 1151-2 |
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, Windows 11, Linux |
Q3/2015 | Release date | Q2/2019 |
-- | Release price | 182 $ |
show more data | show more data | |
Intel Core i5-6400
4C 4T @ 3.30 GHz |
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Intel Core i5-9400T
6C 6T @ 3.40 GHz |
Intel Core i5-6400
4C 4T @ 3.00 GHz |
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Intel Core i5-9400T
6C 6T @ 2.80 GHz |
Intel Core i5-6400
4C 4T @ 3.30 GHz |
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Intel Core i5-9400T
6C 6T @ 3.40 GHz |
Intel Core i5-6400
4C 4T @ 3.00 GHz |
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Intel Core i5-9400T
6C 6T @ 2.80 GHz |
Intel Core i5-6400
Intel HD Graphics 530 @ 1.15 GHz |
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Intel Core i5-9400T
Intel UHD Graphics 630 @ 1.05 GHz |
Intel Core i5-6400
4C 4T @ 3.00 GHz |
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Intel Core i5-9400T
6C 6T @ 2.80 GHz |
Intel Core i5-6400
4C 4T @ 2.70 GHz |
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Intel Core i5-9400T
6C 6T @ 1.80 GHz |
Intel Core i5-6400
4C 4T @ 3.30 GHz |
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Intel Core i5-9400T
6C 6T @ 3.40 GHz |
Intel Core i5-6400
4C 4T @ 3.00 GHz |
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Intel Core i5-9400T
6C 6T @ 2.80 GHz |
Intel Core i5-6400
4C 4T @ 3.30 GHz |
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Intel Core i5-9400T
6C 6T @ 3.40 GHz |
Intel Core i5-6400
4C 4T @ 3.00 GHz |
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Intel Core i5-9400T
6C 6T @ 2.80 GHz |
Intel Core i5-6400
4C 4T @ 3.00 GHz |
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Intel Core i5-9400T
6C 6T @ 2.80 GHz |
Intel Core i5-6400
4C 4T @ 3.30 GHz |
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Intel Core i5-9400T
6C 6T @ 3.40 GHz |
Devices using this processor |
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Intel Core i5-6400 | Intel Core i5-9400T |
Unknown | Unknown |