Intel Core i7-6850K vs Intel Core Ultra 5 135H

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CPU comparison with benchmarks


Intel Core i7-6850K CPU1 vs CPU2 Intel Core Ultra 5 135H
Intel Core i7-6850K Intel Core Ultra 5 135H

CPU comparison

Intel Core i7-6850K or Intel Core Ultra 5 135H - 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 i7-6850K has 6 cores with 12 threads and clocks with a maximum frequency of 3.80 GHz. Up to 128 GB of memory is supported in 4 memory channels. The Intel Core i7-6850K was released in Q2/2016.

The Intel Core Ultra 5 135H has 14 cores with 18 threads and clocks with a maximum frequency of 4.60 GHz. The CPU supports up to 96 GB of memory in 2 memory channels. The Intel Core Ultra 5 135H was released in Q4/2023.
Intel Core i7 Extreme Edition (24) Family Intel Core Ultra 5 (10)
Intel Core i 6000 (24) CPU group Intel Core Ultra 100H (5)
6 Generation 1
Skylake S Architecture Meteor Lake H
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i7-6850K is a 6 core processor with a clock frequency of 3.60 GHz (3.80 GHz). The Intel Core Ultra 5 135H has 14 CPU cores with a clock frequency of 1.70 GHz (4.60 GHz).
Intel Core i7-6850K Characteristic Intel Core Ultra 5 135H
6 Cores 14
12 Threads 18
normal Core architecture hybrid (big.LITTLE)
Yes Hyperthreading Yes
Yes Overclocking ? No
3.60 GHz (3.80 GHz) A-Core 1.70 GHz (4.60 GHz)
4x Redwood Cove
-- B-Core 1.20 GHz (3.60 GHz)
8x Crestmont
-- C-Core 0.70 GHz (2.50 GHz)
2x Crestmont

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 i7-6850K Characteristic Intel Core Ultra 5 135H
-- AI hardware Intel® AI Boost
-- AI specifications Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT)
-- 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.
no iGPU GPU Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake)
GPU frequency 0.60 GHz
-- GPU (Turbo) 2.20 GHz
-- GPU Generation --
Technology 5 nm
Max. displays 4
-- Compute units 128
-- Shader 1024
No Hardware Raytracing Yes
No Frame Generation No
-- Max. GPU Memory 32 GB
-- DirectX Version 12.2

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 Iris Xe 8 Core Graphics 128 EUs (Meteor 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
No Codec VP8 Decode
No Codec AV1 Decode / Encode
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The Intel Core i7-6850K supports a maximum of 128 GB of memory in 4 memory channels. The Intel Core Ultra 5 135H can connect up to 96 GB of memory in 2 memory channels.
Intel Core i7-6850K Characteristic Intel Core Ultra 5 135H
DDR4-2400 Memory LPDDR5X-7500, DDR5-5600
128 GB Max. Memory 96 GB
4 (Quad Channel) Memory channels 2 (Dual Channel)
76.8 GB/s Max. Bandwidth 120.0 GB/s
No ECC No
-- L2 Cache 14.00 MB
15.00 MB L3 Cache 18.00 MB
3.0 PCIe version 5.0
40 PCIe lanes 20
39.4 GB/s PCIe Bandwidth 78.8 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i7-6850K has a TDP of 140 W, that of the Intel Core Ultra 5 135H is 28 W.
Intel Core i7-6850K Characteristic Intel Core Ultra 5 135H
140 W TDP (PL1 / PBP) 28 W
-- TDP (PL2) 115 W
-- TDP up 65 W
-- TDP down 20 W
100 °C Tjunction max. 110 °C

Technical details

The Intel Core i7-6850K has a 15.00 MB cache, while the Intel Core Ultra 5 135H cache has a total of 32.00 MB.
Intel Core i7-6850K Characteristic Intel Core Ultra 5 135H
14 nm Technology 7 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
LGA 2011-3 Socket BGA 2049
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 11, Linux
Q2/2016 Release date Q4/2023
628 $ Release price --
show more data show more data


Rate these processors

Here you can rate the Intel Core i7-6850K to help other visitors make their purchasing decisions. The average rating is 5.0 stars (1 ratings). Rate now:
Here you can rate the Intel Core Ultra 5 135H to help other visitors make their purchasing decisions. The average rating is 4.5 stars (2 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Core i7-6850K (63%)
Intel Core Ultra 5 135H (100%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Core i7-6850K (62%)
Intel Core Ultra 5 135H (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 i7-6850K Intel Core i7-6850K
6C 12T @ 3.80 GHz
1116 (67%)
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.60 GHz
1667 (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 i7-6850K Intel Core i7-6850K
6C 12T @ 3.60 GHz
6711 (62%)
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.20 GHz
10765 (100%)

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 i7-6850K Intel Core i7-6850K
6C 12T @ 3.80 GHz
1302 (58%)
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.60 GHz
2247 (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 Core i7-6850K Intel Core i7-6850K
6C 12T @ 3.60 GHz
6214 (61%)
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.20 GHz
10239 (100%)

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 i7-6850K Intel Core i7-6850K
6C 12T @ 3.80 GHz
0 (0%)
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.60 GHz
100 (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 i7-6850K Intel Core i7-6850K
6C 12T @ 3.80 GHz
0 (0%)
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.60 GHz
847 (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 i7-6850K Intel Core i7-6850K
6C 12T @ 3.80 GHz
0 (0%)
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.60 GHz
1692 (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 i7-6850K Intel Core i7-6850K
6C 12T @ 3.60 GHz
0 (0%)
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.20 GHz
14771 (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 i7-6850K Intel Core i7-6850K
@ 0.00 GHz
0 (0%)
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake) @ 2.20 GHz
4361 (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 i7-6850K Intel Core i7-6850K
6C 12T @ 3.60 GHz
11397 (100%)
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.20 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 Core i7-6850K Intel Core i7-6850K
6C 12T @ 3.60 GHz
279.7 (100%)
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 4.20 GHz
0 (0%)

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 i7-6850K Intel Core i7-6850K
6C 12T @ 3.60 GHz
3480 (100%)
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14C 18T @ 1.70 GHz
0 (0%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
Intel Core i7-6850K Intel Core i7-6850K
3.60 GHz
0 (0%)
Intel Core Ultra 5 135H Intel Core Ultra 5 135H
14,771 CB R23 MC @ 66 W
224 (100%)

Devices using this processor
Intel Core i7-6850K Intel Core Ultra 5 135H
Unknown Unknown

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