Intel Core i9-9940X vs Intel Core i7-10510Y

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CPU comparison with benchmarks


Intel Core i9-9940X CPU1 vs CPU2 Intel Core i7-10510Y
Intel Core i9-9940X Intel Core i7-10510Y

CPU comparison

Intel Core i9-9940X or Intel Core i7-10510Y - 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 i9-9940X has 14 cores with 28 threads and clocks with a maximum frequency of 4.50 GHz. Up to 128 GB of memory is supported in 4 memory channels. The Intel Core i9-9940X was released in Q4/2018.

The Intel Core i7-10510Y has 4 cores with 8 threads and clocks with a maximum frequency of 4.50 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Intel Core i7-10510Y was released in Q3/2019.
Intel Core i9 (78) Family Intel Core i7 (293)
Intel Core i 9000X (8) CPU group Intel Core i 10000Y (4)
9 Generation 10
Skylake X Refresh Architecture Comet Lake Y
Desktop / Server Segment Mobile
Intel Core i9-7940X Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i9-9940X is a 14 core processor with a clock frequency of 3.30 GHz (4.50 GHz). The Intel Core i7-10510Y has 4 CPU cores with a clock frequency of 1.20 GHz (4.50 GHz).

Intel Core i9-9940X Characteristic Intel Core i7-10510Y
14 Cores 4
28 Threads 8
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? No
3.30 GHz Frequency 1.20 GHz
4.50 GHz Turbo Frequency (1 Core) 4.50 GHz
4.20 GHz Turbo Frequency (All Cores) 2.40 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Core i9-9940X Characteristic Intel Core i7-10510Y
-- AI hardware --
-- AI specifications --

Internal Graphics

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.

no iGPU GPU Intel UHD Graphics (Comet Lake)
GPU frequency 0.30 GHz
-- GPU (Turbo) 1.15 GHz
-- GPU Generation 9.5
Technology 14 nm
Max. displays 3
-- Compute units 24
-- Shader 192
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 32 GB
-- DirectX Version 12

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.

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

Memory & PCIe

The Intel Core i9-9940X supports a maximum of 128 GB of memory in 4 memory channels. The Intel Core i7-10510Y can connect up to 16 GB of memory in 2 memory channels.

Intel Core i9-9940X Characteristic Intel Core i7-10510Y
DDR4-2666 Memory LPDDR3-2133
128 GB Max. Memory 16 GB
4 (Quad Channel) Memory channels 2 (Dual Channel)
42.7 GB/s Max. Bandwidth 25.6 GB/s
No ECC No
-- L2 Cache --
19.00 MB L3 Cache 8.00 MB
3.0 PCIe version 3.0
44 PCIe lanes 10
43.3 GB/s PCIe Bandwidth 9.9 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i9-9940X has a TDP of 165 W, that of the Intel Core i7-10510Y is 7 W.

Intel Core i9-9940X Characteristic Intel Core i7-10510Y
165 W TDP (PL1 / PBP) 7 W
-- TDP (PL2) --
-- TDP up 9 W
-- TDP down 4.5 W
92 °C Tjunction max. 100 °C

Technical details

The Intel Core i9-9940X has a 19.00 MB cache, while the Intel Core i7-10510Y cache has a total of 8.00 MB.

Intel Core i9-9940X Characteristic Intel Core i7-10510Y
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, AVX-512 ISA extensions SSE4.1, SSE4.2, AVX2
LGA 2066 Socket BGA 1200
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, Windows 11, Linux
Q4/2018 Release date Q3/2019
1387 $ Release price 290 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
⌀ Multi core performance in 3 CPU benchmarks

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 Core i9-9940X Intel Core i9-9940X
14C 28T @ 4.50 GHz
1174 (100%)
Intel Core i7-10510Y Intel Core i7-10510Y
4C 8T @ 4.50 GHz
1055 (90%)

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 Core i9-9940X Intel Core i9-9940X
14C 28T @ 4.20 GHz
13946 (100%)
Intel Core i7-10510Y Intel Core i7-10510Y
4C 8T @ 2.40 GHz
2418 (17%)

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 Core i9-9940X Intel Core i9-9940X
14C 28T @ 4.50 GHz
1459 (100%)
Intel Core i7-10510Y Intel Core i7-10510Y
4C 8T @ 4.50 GHz
1273 (87%)

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 Core i9-9940X Intel Core i9-9940X
14C 28T @ 4.20 GHz
10820 (100%)
Intel Core i7-10510Y Intel Core i7-10510Y
4C 8T @ 2.40 GHz
2959 (27%)

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 Core i9-9940X Intel Core i9-9940X
14C 28T @ 4.20 GHz
28390 (100%)
Intel Core i7-10510Y Intel Core i7-10510Y
4C 8T @ 2.40 GHz
5100 (18%)

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 Core i9-9940X Intel Core i9-9940X
14C 28T @ 4.50 GHz
0 (0%)
Intel Core i7-10510Y Intel Core i7-10510Y
4C 8T @ 4.50 GHz
1016 (100%)

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 Core i9-9940X Intel Core i9-9940X
14C 28T @ 4.20 GHz
0 (0%)
Intel Core i7-10510Y Intel Core i7-10510Y
4C 8T @ 2.40 GHz
2635 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 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 Core i9-9940X Intel Core i9-9940X
14C 28T @ 4.50 GHz
457 (100%)
Intel Core i7-10510Y Intel Core i7-10510Y
4C 8T @ 4.50 GHz
0 (0%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 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 Core i9-9940X Intel Core i9-9940X
14C 28T @ 4.20 GHz
5912 (100%)
Intel Core i7-10510Y Intel Core i7-10510Y
4C 8T @ 2.40 GHz
0 (0%)

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 Core i9-9940X Intel Core i9-9940X
@ 0.00 GHz
0 (0%)
Intel Core i7-10510Y Intel Core i7-10510Y
Intel UHD Graphics (Comet Lake) @ 1.15 GHz
461 (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 Core i9-9940X Intel Core i9-9940X
14C 28T @ 4.50 GHz
197 (100%)
Intel Core i7-10510Y Intel Core i7-10510Y
4C 8T @ 4.50 GHz
0 (0%)

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 Core i9-9940X Intel Core i9-9940X
14C 28T @ 4.20 GHz
2587 (100%)
Intel Core i7-10510Y Intel Core i7-10510Y
4C 8T @ 2.40 GHz
0 (0%)

Devices using this processor

Intel Core i9-9940X Intel Core i7-10510Y
Unknown Unknown

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