Intel Core i7-4790K vs Intel Core i7-8700K

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CPU comparison with benchmarks


Intel Core i7-4790K CPU1 vs CPU2 Intel Core i7-8700K
Intel Core i7-4790K Intel Core i7-8700K

CPU comparison

In this CPU comparison, we compare the Intel Core i7-4790K and the Intel Core i7-8700K and use benchmarks to check which processor is faster.

We compare the Intel Core i7-4790K 4 core processor released in Q2/2014 with the Intel Core i7-8700K which has 6 CPU cores and was introduced in Q4/2017.
Intel Core i7 (299) Family Intel Core i7 (299)
Intel Core i 4000 (DC) (2) CPU group Intel Core i 8000 (20)
4 Generation 8
Devils Canyon S Architecture Coffee Lake S
Desktop Segment Desktop
-- Predecessor Intel Core i7-7700K
-- Successor Intel Core i7-9700K

CPU Cores and Base Frequency

The Intel Core i7-4790K is a 4 core processor with a clock frequency of 4.00 GHz (4.40 GHz). The processor can compute 8 threads at the same time. The Intel Core i7-8700K clocks with 3.70 GHz (4.70 GHz), has 6 CPU cores and can calculate 12 threads in parallel.

Intel Core i7-4790K Characteristic Intel Core i7-8700K
4 Cores 6
8 Threads 12
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking ? Yes
4.00 GHz Frequency 3.70 GHz
4.40 GHz Turbo Frequency (1 Core) 4.70 GHz
4.20 GHz Turbo Frequency (All Cores) 4.30 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 Core i7-4790K Characteristic Intel Core i7-8700K
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

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.

Intel HD Graphics 4600 GPU Intel UHD Graphics 630
0.35 GHz GPU frequency 0.35 GHz
1.25 GHz GPU (Turbo) 1.20 GHz
7.5 GPU Generation 9.5
22 nm Technology 14 nm
3 Max. displays 3
20 Compute units 24
160 Shader 192
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 64 GB
11.1 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.

Intel HD Graphics 4600 GPU Intel UHD Graphics 630
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode Codec JPEG Decode / Encode

Memory & PCIe

Up to 32 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i7-4790K, while the Intel Core i7-8700K supports a maximum of 128 GB of memory with a maximum memory bandwidth of 42.7 GB/s enabled.

Intel Core i7-4790K Characteristic Intel Core i7-8700K
DDR3-1600, DDR3L-1600 Memory DDR4-2666
32 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
25.6 GB/s Max. Bandwidth 42.7 GB/s
No ECC No
-- L2 Cache --
8.00 MB L3 Cache 12.00 MB
3.0 PCIe version 3.0
16 PCIe lanes 16
15.8 GB/s PCIe Bandwidth 15.8 GB/s

Thermal Management

The Intel Core i7-4790K has a TDP of 88 W. The TDP of the Intel Core i7-8700K is 95 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core i7-4790K Characteristic Intel Core i7-8700K
88 W TDP (PL1 / PBP) 95 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Core i7-4790K has 8.00 MB cache and is manufactured in 22 nm. The cache of Intel Core i7-8700K is at 12.00 MB. The processor is manufactured in 14 nm.

Intel Core i7-4790K Characteristic Intel Core i7-8700K
22 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 1150 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
Q2/2014 Release date Q4/2017
310 $ Release price 370 $
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Rate these processors

Here you can rate the Intel Core i7-4790K to help other visitors make their purchasing decisions. The average rating is 4.2 stars (57 ratings). Rate now:
Here you can rate the Intel Core i7-8700K to help other visitors make their purchasing decisions. The average rating is 4.3 stars (41 ratings). Rate now:

Average performance in benchmarks

Single core performance in 7 CPU benchmarks
Intel Core i7-4790K (87%)
Intel Core i7-8700K (100%)
Multi core performance in 10 CPU benchmarks
Intel Core i7-4790K (64%)
Intel Core i7-8700K (96%)

Price-performance ratio

Geekbench 6 multi-core score divided by the processor's release price. Higher is better.
Intel Core i7-4790K Intel Core i7-4790K
Geekbench 6 MT: 4,674 / 310 $
15.08
Intel Core i7-8700K Intel Core i7-8700K
Geekbench 6 MT: 6,750 / 370 $
18.24

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core i7-4790K Intel Core i7-4790K
4C 8T @ 4.40 GHz
64 (89%)
Intel Core i7-8700K Intel Core i7-8700K
6C 12T @ 4.70 GHz
72 (100%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core i7-4790K Intel Core i7-4790K
4C 8T @ 4.40 GHz
262 (56%)
Intel Core i7-8700K Intel Core i7-8700K
6C 12T @ 4.70 GHz
467 (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 Core i7-4790K Intel Core i7-4790K
4C 8T @ 4.40 GHz
1069 (88%)
Intel Core i7-8700K Intel Core i7-8700K
6C 12T @ 4.70 GHz
1209 (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 i7-4790K Intel Core i7-4790K
4C 8T @ 4.20 GHz
4936 (55%)
Intel Core i7-8700K Intel Core i7-8700K
6C 12T @ 4.30 GHz
8960 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a partial load benchmark for modern computers, notebooks and smartphones. In the single-core test, only the fastest CPU core is measured. The test run simulates the performance in practice.
Intel Core i7-4790K Intel Core i7-4790K
4C 8T @ 4.40 GHz
1387 (93%)
Intel Core i7-8700K Intel Core i7-8700K
6C 12T @ 4.70 GHz
1486 (100%)

Geekbench 6 (Multi-Core)

The practical Geekbench 6 multi-core benchmark tests the system's performance under partial load. The processor's maximum power consumption is far from being used up.
Intel Core i7-4790K Intel Core i7-4790K
4C 8T @ 4.20 GHz
4674 (69%)
Intel Core i7-8700K Intel Core i7-8700K
6C 12T @ 4.30 GHz
6750 (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 Core i7-4790K Intel Core i7-4790K
4C 8T @ 4.40 GHz
1073 (86%)
Intel Core i7-8700K Intel Core i7-8700K
6C 12T @ 4.70 GHz
1242 (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 Core i7-4790K Intel Core i7-4790K
4C 8T @ 4.20 GHz
4001 (60%)
Intel Core i7-8700K Intel Core i7-8700K
6C 12T @ 4.30 GHz
6693 (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 i7-4790K Intel Core i7-4790K
4C 8T @ 4.40 GHz
411 (84%)
Intel Core i7-8700K Intel Core i7-8700K
6C 12T @ 4.70 GHz
487 (100%)

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 i7-4790K Intel Core i7-4790K
4C 8T @ 4.20 GHz
1982 (54%)
Intel Core i7-8700K Intel Core i7-8700K
6C 12T @ 4.30 GHz
3689 (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 Core i7-4790K Intel Core i7-4790K
Intel HD Graphics 4600 @ 1.25 GHz
400 (87%)
Intel Core i7-8700K Intel Core i7-8700K
Intel UHD Graphics 630 @ 1.20 GHz
461 (100%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
Intel Core i7-4790K Intel Core i7-4790K
4C 8T @ 4.20 GHz
84 (67%)
Intel Core i7-8700K Intel Core i7-8700K
6C 12T @ 4.30 GHz
126 (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 Core i7-4790K Intel Core i7-4790K
4C 8T @ 4.20 GHz
8058 (59%)
Intel Core i7-8700K Intel Core i7-8700K
6C 12T @ 4.30 GHz
13770 (100%)

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 Core i7-4790K Intel Core i7-4790K
4C 8T @ 4.20 GHz
407 (100%)
Intel Core i7-8700K Intel Core i7-8700K
6C 12T @ 4.30 GHz
232.4 (57%)

CPU-Z Benchmark 17 (Single-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 Core i7-4790K Intel Core i7-4790K
4C 8T @ 4.40 GHz
456 (89%)
Intel Core i7-8700K Intel Core i7-8700K
6C 12T @ 4.70 GHz
510 (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 Core i7-4790K Intel Core i7-4790K
4C 8T @ 4.00 GHz
2311 (62%)
Intel Core i7-8700K Intel Core i7-8700K
6C 12T @ 3.70 GHz
3709 (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 i7-4790K Intel Core i7-4790K
4C 8T @ 4.40 GHz
169 (81%)
Intel Core i7-8700K Intel Core i7-8700K
6C 12T @ 4.70 GHz
208 (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 Core i7-4790K Intel Core i7-4790K
4C 8T @ 4.20 GHz
854 (59%)
Intel Core i7-8700K Intel Core i7-8700K
6C 12T @ 4.30 GHz
1447 (100%)

Devices using this processor

Intel Core i7-4790K Intel Core i7-8700K
Unknown PC mit Intel Core i7-8700K

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