Intel Pentium Gold 5405U vs Intel Core i9-7920X

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CPU comparison with benchmarks


Intel Pentium Gold 5405U CPU1 vs CPU2 Intel Core i9-7920X
Intel Pentium Gold 5405U Intel Core i9-7920X

CPU comparison

Intel Pentium Gold 5405U or Intel Core i9-7920X - 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 Pentium Gold 5405U has 2 cores with 4 threads and clocks with a maximum frequency of 2.30 GHz. Up to 64 GB of memory is supported in 2 memory channels. The Intel Pentium Gold 5405U was released in Q1/2019.

The Intel Core i9-7920X has 12 cores with 24 threads and clocks with a maximum frequency of 4.30 GHz. The CPU supports up to 128 GB of memory in 4 memory channels. The Intel Core i9-7920X was released in Q3/2017.
Intel Pentium (150) Family Intel Core i9 (78)
Intel Pentium 5000 (1) CPU group Intel Core i 7000X (9)
8 Generation 7
Whiskey Lake U Architecture Skylake X
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor Intel Core i9-9920X

CPU Cores and Base Frequency

The Intel Pentium Gold 5405U is a 2 core processor with a clock frequency of 2.30 GHz. The Intel Core i9-7920X has 12 CPU cores with a clock frequency of 2.90 GHz (4.30 GHz).

Intel Pentium Gold 5405U Characteristic Intel Core i9-7920X
2 Cores 12
4 Threads 24
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? Yes
2.30 GHz Frequency 2.90 GHz
-- Turbo Frequency (1 Core) 4.30 GHz
-- Turbo Frequency (All Cores) 3.70 GHz

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Intel Pentium Gold 5405U Characteristic Intel Core i9-7920X
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

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.

Intel UHD Graphics 610 GPU no iGPU
0.30 GHz GPU frequency --
0.95 GHz GPU (Turbo) --
9.5 GPU Generation --
14 nm Technology
3 Max. displays
12 Compute units --
96 Shader --
No Hardware Raytracing No
No Frame Generation No
32 GB Max. GPU Memory --
12 DirectX Version --

Hardware codec support

A 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.

Intel UHD Graphics 610 GPU no iGPU
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode / Encode Codec VP9 No
Decode / Encode Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The Intel Pentium Gold 5405U supports a maximum of 64 GB of memory in 2 memory channels. The Intel Core i9-7920X can connect up to 128 GB of memory in 4 memory channels.

Intel Pentium Gold 5405U Characteristic Intel Core i9-7920X
LPDDR3-1866, DDR4-2133 Memory DDR4-2666
64 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 4 (Quad Channel)
34.1 GB/s Max. Bandwidth 85.4 GB/s
No ECC No
-- L2 Cache --
2.00 MB L3 Cache 16.00 MB
2.0 PCIe version 3.0
12 PCIe lanes 44
6.0 GB/s PCIe Bandwidth 43.3 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Pentium Gold 5405U has a TDP of 15 W, that of the Intel Core i9-7920X is 165 W.

Intel Pentium Gold 5405U Characteristic Intel Core i9-7920X
15 W TDP (PL1 / PBP) 165 W
-- TDP (PL2) --
-- TDP up --
12.5 W TDP down --
100 °C Tjunction max. --

Technical details

The Intel Pentium Gold 5405U has a 2.00 MB cache, while the Intel Core i9-7920X cache has a total of 16.00 MB.

Intel Pentium Gold 5405U Characteristic Intel Core i9-7920X
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, AVX-512
BGA 1528 Socket LGA 2066
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q1/2019 Release date Q3/2017
161 $ Release price 1189 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Pentium Gold 5405U (51%)
Intel Core i9-7920X (100%)
⌀ Multi core performance in 3 CPU benchmarks
Intel Pentium Gold 5405U (11%)
Intel Core i9-7920X (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Pentium Gold 5405U Intel Pentium Gold 5405U
2C 4T @ 2.30 GHz
579 (51%)
Intel Core i9-7920X Intel Core i9-7920X
12C 24T @ 4.30 GHz
1133 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Pentium Gold 5405U Intel Pentium Gold 5405U
2C 4T @ 2.30 GHz
1325 (12%)
Intel Core i9-7920X Intel Core i9-7920X
12C 24T @ 3.70 GHz
11498 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Pentium Gold 5405U Intel Pentium Gold 5405U
2C 4T @ 2.30 GHz
2270 (10%)
Intel Core i9-7920X Intel Core i9-7920X
12C 24T @ 3.70 GHz
23625 (100%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Pentium Gold 5405U Intel Pentium Gold 5405U
2C 4T @ 2.30 GHz
666 (11%)
Intel Core i9-7920X Intel Core i9-7920X
12C 24T @ 2.90 GHz
6200 (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Pentium Gold 5405U Intel Pentium Gold 5405U
2C 4T @ 2.30 GHz
535 (100%)
Intel Core i9-7920X Intel Core i9-7920X
12C 24T @ 4.30 GHz
0 (0%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Pentium Gold 5405U Intel Pentium Gold 5405U
2C 4T @ 2.30 GHz
1395 (100%)
Intel Core i9-7920X Intel Core i9-7920X
12C 24T @ 3.70 GHz
0 (0%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Pentium Gold 5405U Intel Pentium Gold 5405U
2C 4T @ 2.30 GHz
0 (0%)
Intel Core i9-7920X Intel Core i9-7920X
12C 24T @ 4.30 GHz
1410 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Pentium Gold 5405U Intel Pentium Gold 5405U
2C 4T @ 2.30 GHz
0 (0%)
Intel Core i9-7920X Intel Core i9-7920X
12C 24T @ 3.70 GHz
9881 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Pentium Gold 5405U Intel Pentium Gold 5405U
Intel UHD Graphics 610 @ 0.95 GHz
182 (100%)
Intel Core i9-7920X Intel Core i9-7920X
@ 0.00 GHz
0 (0%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
Intel Pentium Gold 5405U Intel Pentium Gold 5405U
2C 4T @ 2.30 GHz
0 (0%)
Intel Core i9-7920X Intel Core i9-7920X
12C 24T @ 3.70 GHz
120.9 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Pentium Gold 5405U Intel Pentium Gold 5405U
2C 4T @ 2.30 GHz
0 (0%)
Intel Core i9-7920X Intel Core i9-7920X
12C 24T @ 4.30 GHz
188 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Pentium Gold 5405U Intel Pentium Gold 5405U
2C 4T @ 2.30 GHz
0 (0%)
Intel Core i9-7920X Intel Core i9-7920X
12C 24T @ 3.70 GHz
2438 (100%)

Devices using this processor

Intel Pentium Gold 5405U Intel Core i9-7920X
Lenovo V340
Lenovo IdeaPad C340
Lenovo IdeaPad L340
DELL Inspiron 15 3583
Unknown

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